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Showing posts with label geology. Show all posts
Showing posts with label geology. Show all posts

Monday, May 18, 2020

"This mountain don't dare blow up on old Harry!"

Those were the words of one Harry Truman (no relation to that Harry S Truman) in the days prior to the eruption.  Truman had a lodge on the side of Spirit Lake, in the shadow of Mount St. Helens.  He lived there with twenty-some cats, and I guess being almost ninety years of age he was just too stubborn to listen to geologists who were screaming at him to get out of the area.  That giant building bulge on the north slope of the mountain didn't seem to impress.

A few days later, an earthquake triggered the lateral blast on the north flank.  The entire top of the mountain and the north slope were blown away.  Harry Truman and his cats are now somewhere 300 feet beneath ash and rock that eventually formed a new Spirit Lake.  In all the eruption killed 57 people, including volcanologist David Johnston.  His camp was directly in front of the blast area.  Johnston's final frantic words over his radio: "Vancouver!  Vancouver!  This is it!"


That was forty years ago today, May 18th 1980.

Back in 2012 I got to visit Mount St. Helens.  Standing at the Johnston Observatory (built on the site where the gifted young geologist had made his camp), looking across the still-blasted wasteland and into the crater, thinking about how much taller St. Helens used to be...

It was utterly humbling.  The photos I had seen could not compare to seeing the thing up close.  And St. Helens is still considered active.  Every so often a plume of steam or ash rises out of the crater.  Another eruption someday is still altogether possible.  Just as eruptions are possible on nearby Mount Hood and other peaks in that part of the Cascades.

We propose nothing in the sight of nature.  That is what came to mind as I looked into the maw of what is still deemed to  be a fairly medium-size volcano.  Pinatubo's eruption in 1991 was much worse and sent global temperatures dropping.  Krakatoa did much the same and in fact, its eruption was heard from thousands of miles away.

And on that Sunday morning in May the world indeed beheld that mountain dared blow up on old Harry.

Monday, January 23, 2012

Massive coronal ejection en route to Earth

The largest ejection of charged particles from the Sun since 2005 is currently speeding toward Earth at 5 million miles per hour. It's due to hit us sometime tomorrow.

In recent months I have made it known that for the past number of years, I have been observing a correlation between this kind of solar activity and an increase in significant seismic activity. You can read about them here and here and here and most recently from October here. So in keeping with that, I am going to strongly suggest that this latest storm of energy which the Sun is throwing at us could possibly trigger severe earthquake activity.

Just something to maybe bear in mind these next few days and weeks...

Friday, June 24, 2011

Weird Tolkien-ish map of "Flat Earth" comes to light... and it's pretty neat!

About the same time that Operation: Desert Storm was going on but before the ground war started in Iraq back in 1991, I read The Hobbit for the first time. Immediately after that I plunged into The Lord of the Rings. And it wasn't long after that when I thought that since I was on such a hot streak that I'd read The Silmarillion as well.

And my brain immediately got befuddled by the vastness of J.R.R. Tolkien's cosmology that had only been hinted at in The Lord of the Rings.

The thing which I most couldn't wrap my mind around was Middle-earth before the fall of Númenor: Tolkien had the world that would eventually be our own as a "flat Earth", and it stayed that way until the last king of Númenor sailed into the west to try to wrest away an immortality that could never be his. It was an act of defiance that led God Himself to break the world, sink Númenor and forever afterward made the Earth round.

I know, it's all fantasy... but Tolkien infused plenty enough realism that even such wild geography should make sense somehow... right?

That's been the most frustrating quirk of Tolkien's legendarium for me, for the past twenty years. Until last night when I came across this story about a fella named Orlando Ferguson and his clever "Square and Stationary Earth" scheme...

That's a map that "Professor" Ferguson compiled in 1893, combining his understanding of the world's geology as depicted in the Bible along with the scientific knowledge of the day. The result? A flattened Earth that... is kinda a viable model. Gotta love how it keeps all the water from Earth's oceans contained in a Roulette wheel-style bowl, with the North Pole at its center. Ferguson was a real-estate developer in South Dakota and he had ninety-two pages of lecture material prepared to defend his flat-Earth thesis.

Well, even if it's scientifically way off-kilter, at least Tolkien's mythical First Age geology finally makes sense to me :-P

Friday, March 11, 2011

The earthquake in Japan...

...moved the axis of the entire Earth 10 inches from its previous position.

And the coastline of Japan has been permanently moved nearly 2 and a half meters.

Once again, I am reminded about how lacking in humility we are in regard to the world we live upon.

Try to think about the forces required to move something as big as the entire Earth by ten inches. Just ten inches.

In the first year of this blog's operation, after the 2004 Indonesia earthquake/tsunami, I posted an excerpt from Jurassic Park (the super-incredible novel not the less-than-satisfying movie). It's the scene toward the end where Ian Malcolm is telling Hammond about how the Earth cannot be destroyed. It's perhaps worth reading again, and pondering.

8.9 earthquake just hit Japan

That's just short of the 2004 Boxing Day earthquake that produced the tsunami which devastated Indonedia and other places along thousands of miles of the Indian Ocean's shoreline.

8.9 Richter... sheesh. I can't begin to imagine what it must be like to experience something like that.

Thoughts and prayers going out this morning to our friends in Japan. And if you can, tune in to the television coverage going on right now. This is history in the making.

EDIT 2:55 a.m. EST: This blog has lots of readers in Hawaii (yeah hey to you too Danny :-). Now hearing that a tsunami warning has been issued and that you guys are due to get hit by the heavy end of the hammer around 3:00 a.m. Hawaiian local time this morning.

Got you guys in prayer especially. Please, be safe.

Thursday, August 12, 2010

Remember my post last week about solar flares and earthquakes?

Here's the link if you wanna look at it. It was about the massive discharge of highly-energized particles that the Sun threw out at the Earth early last week. As a result there were some astonishingly brilliant aurora reported at the northern latitudes.

Well anyway, in my post I wondered aloud if there might be any earthquake activity that would happen as a result, 'cuz I've noticing for the past few years that whenever this planet gets hit by particles from a solar flare that it seems to agitate the inner workins enough to cause pretty good rumblin' soon afterward.

I wrote that last Monday, August 2nd. Today, August 12th, there have been two earthquakes reported in the past several hours. A 6.0 quake hitting the island nation of Vanuatu and then a short while ago a 6.9 quake striking just over a hundred miles away from Quito in Ecuador. No reports of injuries from either earthquake.

Not adding any further commentary. Just wanted to pass along the information for anyone interested in such things.

Monday, August 02, 2010

Severe geological activity about to happen?

I may get called a "kook" from some quarters for writing about this. All I can really say in my own defense is that it's something I'm sincerely curious about and I was told a long time ago that the only wrong question to ask is one that isn't asked at all...

Slashdot is spreading the news this afternoon about a massive ejection of high-energy particles from the the sun. It's headed toward Earth and should reach us sometime tomorrow. Among other things it means that we should be enjoying some lovely aurora, if you're fortunate to live at a high-enough latitude.

Awright well, here's the thing: I've noticed in the past several years that most every time we get hit by a solar flare, that there's usually a massive earthquake that happens not very long afterward.

Considering that the inside of the Earth is a molten piezoelectric dynamo that generates this planet's magnetic field and that the plates of the planet's crust are floating on top of it, it doesn't seem that coincidental a correlation. I mean, if every now and then the sun ejects some highly electromagnetic particles toward us, seems only fitting that there'd be some agitation of the works beneath us.

So... will an earthquake be occurring in the near future? More than one, perhaps?

I decided awhile back that the next time there was a report of this kind of solar weather that I'd make a note of it on this blog, just to see if anything happens. And whether or not it does well, guess this'll be my own lil' contribution to the body of observable data on geological activity :-)

Tuesday, May 18, 2010

"This god-damned mountain doesn't dare do anything to Harry."

Those were the words of one Harry R. Truman. He also assured reporters and visitors to his lodge that "No one knows this mountain better than me."

The 83 year-old Harry Truman was speaking of Mount St. Helens in the state of Washington: the mountain on which he lived along with his 16 cats. For two months the long-quiet volcano had slowly been stirring in activity. Geologists became alarmed by the increasing swarms of small quakes and the appearance of a bulge on St. Helens' north side: indication that lava was building up beneath. Many tried to convince him to leave, but Harry Truman refused to go. It was nothing to worry about, he swore up and down.

A few days later, at 8:32 a.m. on the morning of May 18th 1980, Mount St. Helens erupted. It was one of the most violent geological events in modern history. The entire northern face of the mountain was blasted away as 540 million tons of ash and debris was thrown out and across thousands of square miles.

Geologist David A. Johnston was stationed six miles away. Johnston had been one of the most vocal in persuading residents to leave the area during the buildup toward the eruption. The superhot flow of ash and steam took less than a minute to reach his location. Johnston's last frantic words before his radio went silent: "Vancouver! Vancouver! This is it!" All that was ever found of David Johnston was the ruin of his United States Geological Survey trailer, discovered by workers in 1993.

As for Harry Randall Truman: he and his 16 cats are still on the mountain somewhere, buried beneath 150 feet of and thousands of tons of ash and debris. True to his word, he never left.

All told, 57 people died in the eruption: the deadliest volcanic event in United States history.

And that was thirty years ago on this day, May 18th 1980.

National Geographic has an impressive gallery of photos showing Mount St. Helens before and after the eruption. Well worth checking out.

Monday, April 19, 2010

Photos of Eyjafjallajökull eruption

In case you're wondering, I've heard from an authority on the subject that the name of that volcano in Iceland that is currently plaguing air travel in Europe (and elsewhere?) should be pronounced "AY-uh-fyat-luh-YOE-kuutl-uh".

The Reykjavík Grapevine has published - and will probably publish many more now that Eyjafjallajökull's activity is apparently intensifying and may even trigger the eruption of a bigger volcano nearby - several photos of Eyjafjallajökull wrecking havoc.

Anyone else think it's kinda funny that this is all happening on the same week as Earth Day?

Sunday, March 21, 2010

Volcano erupts at Eyjafjallajökull in Iceland

From The Reykjavík Grapevine ...
Volcano Erupts Under Eyjafjallajökull

21.3.2010
Words by Haukur S. Magnússon

A volcanic eruption has just begun under the Eyjafjallajökull glacier. This has been verified by local authorities in neighbouring Hvolsvöllur. Vísir reports that farms in the Fljótshlíð area and by Markarhlíð are already being evacuated. Locals in the area have confirmed that they are viewing flames and a steady stream of lava from the glacier.

Eyjafjallajökull is an active central volcano. There is reportedly no recorded history of catastrophic eruptions in the area. The volcano last erupted 189 years ago and apparently caused a lot of ash fall in the area. Although speculation on the subject is pretty much useless (especially since your loving team of Grapevine reporters isn't really comprised of geologists or anything, although we scored pretty well in the subject in high school), folks are saying that besides the ash fall the greatest danger lies in glacier bursts or runs stemming from all that hot hot heat melting the glacier. There might be a bunch of water flooding the area pretty soon.

ANYWAY, this is all moot speculation. What we know at the moment is that a volcanic eruption is indeed occurring under the Eyjafjallajökull glacier, and that lava is really, really hot.

More on this as it develops. Hey, we might even be able to get you some pictures. Stay tuned.

I found this to be postworthy for three reasons. One, it seems that lately there's been a lot of geological activity all over the planet. Two, this kind of thing fascinates me.

But third and foremost, I thought it would be pretty neat to use the word "Eyjafjallajökull" on a blog entry :-)

Saturday, February 27, 2010

Chile earthquake is making scientific and television history

First things first: The proprietor of this blog extends his own thoughts and prayers to the very many that are going out to our friends down Chile way today, in the aftermath of the 8.8 earthquake that rocked that country in the wee hours this morning.

And by the way, it's a great testament to that country about how on the ball the folks are about this. I've heard only great things about Chile over the years and the speed and diligence that they have exerted in dealing with this disaster, makes me compelled to tip my hat to 'em.

If you haven't already today, it would - not to put too fine a point on it - be extremely recommended that you tune in right now to CNN or Fox News or whatever, and check out the live feed coming from Hawaii, which looks to have dodged the proverbial bullet so far as tsunami are concerned. There have been significantly higher waves hitting Hawaii but so far, nothing of serious consequence (and let's pray it stays that way). The truly fascinating thing that I'm finding from all of this is that, for the first time that I can remember it happening anyway, possible tsunami have been anticipated and evacuations well underway... and before television cameras for all the world to see, too.

Considering that the Boxing Day Tsunami was just over five years ago, that's a huge leap in technology and means of geological analysis and prediction.

Gotta love science :-)

Wednesday, January 13, 2010

The trees of Mars

Not really trees, but an optical illusion captured by NASA's HiRISE camera in orbit around the red planet. What appears to be a scattering of pine trees is actually several trails of debris near Mars's north pole, left behind as the ice cap goes on its seasonal retreat.

Mash down here for more about the "trees" of Mars!

Tuesday, December 15, 2009

Swiss scientist on trial for causing earthquakes

Markus Haering appeared in court in Basel, Switzerland today. The charge leveled against him: that his company's activities caused earthquakes, one of which measured 3.4 Richter magnitude. Haering's firm is researching geothermal-generated electricity. Well, according to court documents his company's deep-drilling in 2006 triggered the quakes. There were no injuries but $9 million in damages were reported. If the judge finds him guilty of intentionally damaging property, Haering faces five years jail for making the earthquakes happen...

...which is gonna be a heckuva retort when he gets asked "So what are you in for buddy?"

(Seriously though, sounds like it's gonna be an easy charge to beat. Lex Luthor might have been put behind bars for doing something like this but not Markus Haering. Dude doesn't even have a nuclear weapon, fer pete's sake...)

Tuesday, November 03, 2009

Birth of an ocean

It's long been speculated that the Great Rift Valley in Africa will someday split entirely and create a new ocean, but now we have hard scientific evidence that it's not just theoretical... it is happening now! In 2005 a massive, 35-mile long new rift opened up in Ethiopia (part of it pictured at top). According to a new study published in Geophysical Research Letters, it's been confirmed that the same process that happens on the ocean floors of the Atlantic and elsewhere (think Mid-Atlantic Ridge) is taking place in eastern Africa. Someday that rift that you see in the photo will split apart completely and become a whole new ocean!

So consider buying up beachfront property now. It'll be worth a lot of money... in a few million years or so.

Wednesday, May 06, 2009

World's oldest ground discovered in Israel

The next time you hear someone speak of a thing as being "old as dirt", now you'll have some context for it...

Deep in the Negev Desert of Israel, scientists have discovered what is being called the oldest patch of exposed ground in the world. It's been dated at around 1.8 million years old.

Pretty humbling, aye? To know that there are still places in this world that defy the savagery of both nature and man. It's much like whenever I go out on the Blue Ridge Parkway in the western part of North Carolina: seeing all those mountains, knowing that they were here long before us, and will still be there long after we are gone.

And who knows? This might literally be ground that Abraham, or Joseph, or Moses once walked upon. Perhaps even Jesus Himself, who we are told went out into the desert for forty days. Maybe He came to a place such as this.

Makes one think, doesn't it?

Tuesday, August 05, 2008

Scientists find the hottest water on Earth

Just south of the equator and nearly two miles below the surface of the Atlantic Ocean, researchers have discovered the hottest liquid water ever found on Earth, in a state that has never before been observed in the natural world. Hydrothermal vents are discharging water in a "supercritical" state (I'm thinking it's analogous to plasma as a super-heated gas) that has been recorded to get as hot as 464 degrees Celsius. For us American folks, that's a whopping 867 degrees Fahrenheit for liquid water! The conditions are so adverse surrounding the vents that computer modeling is the only way to study them, since regular equipment would melt from the heat.

Interesting stuff. Great fodder for discussion for any science and physics teachers out there who want to get their students thinking about how things like temperature and pressure affect water's properties.

Friday, March 28, 2008

Darvaz: "The Door to Hell"

That's one helluva carbon footprint ...

Near the small town of Darvaz in Uzbekistan is a place that the locals call "The Door to Hell". Thirty-five years ago some geologists were drilling for natural gas there and hit upon a cavern. Poisonous gas was detected down in the hole, so the excavators ignited it in the hopes that it would "burn off" and clear out the air so that they could explore further.

It's been burning ever since, non-stop, for more than three decades.

Mash down here for more photos and one scary video clip of "The Door to Hell".

EDIT 2:28 pm 03/30/2008: Someone noted in the comments that Darvaz is actually located in Turkmenistan, not Uzbekistan. So I stand corrected. But in my own defense, I just took the original website at its word that this was Uzbekistan :-)

Wednesday, June 27, 2007

Possible crater from the Tunguska blast found

Researchers from the University of Bologna in Italy have identified what might be a crater from the Tunguska blast in 1908. The alleged crater is a bowl-shaped lake that seems to be a recent geological feature. There's evidence of buried rock beneath the lake that could have come from an asteroid or cometary remnant. And a few other details seem to jibe well, too. Very cool stuff if this bears out: the Tunguska event is perhaps the most frustrating natural disaster in modern history, since it was two decades before the Russians were able to send a team out to study the site. We still don't know what happened that day, 'cept it was detected as far away as England and it knocked horses plum off their legs for hundreds of miles around.