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SUMATRA QUAKE REVISED TO 9.0 MAG
usgs ^

Posted on 12/26/2004 3:30:18 PM PST by Brian Mosely

Magnitude 9.0 - OFF THE WEST COAST OF NORTHERN SUMATRA
2004 December 26 00:58:50 UTC

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver

A great earthquake occurred at 00:58:50 (UTC) on Sunday, December 26, 2004. The magnitude 9.0 event has been located OFF THE WEST COAST OF NORTHERN SUMATRA. (This event has been reviewed by a seismologist.)

Small globe showing earthquake

Small map showing earthquake

Magnitude

9.0
Date-Time Sunday, December 26, 2004 at 00:58:50 (UTC)
= Coordinated Universal Time
Sunday, December 26, 2004 at 6:58:50 AM
= local time at epicenter


Location 3.298°N, 95.779°E

Depth 10 km (6.2 miles) set by location program
Region

OFF THE WEST COAST OF NORTHERN SUMATRA
Distances
250 km (155 miles) SSE of Banda Aceh, Sumatra, Indonesia

320 km (200 miles) W of Medan, Sumatra, Indonesia
1260 km (780 miles) SSW of BANGKOK, Thailand
1605 km (1000 miles) NW of JAKARTA, Java, Indonesia

Location Uncertainty horizontal +/- 9.2 km (5.7 miles); depth fixed by location program
Parameters Nst=157, Nph=157, Dmin=>999 km, Rmss=1.35 sec, Gp= 29°,

M-type=moment magnitude (Mw), Version=9

Source USGS NEIC (WDCS-D)

Event ID usslav
Felt Reports At least 3,000 people killed in Sri Lanka, 2,300 in India, 2,000 in Indonesia, 289 in Thailand, 42 in Malaysia, 8 in Somalia and 2 in Bangladesh by tsunamis. Tsunamis also occurred on the coasts of Maldives and Cocos Island. At least 200 people killed, buildings destroyed or damaged in the Banda Aceh area, Sumatra. Felt widely in Sumatra. Also felt in Bangladesh, India, Malaysia, Myanmar, Singapore and Thailand. This is now the fourth largest earthquake in the world since 1900 and is the largest since the 1964 Prince William Sound, Alaska earthquake.

Today's shallow, thrust-type earthquake occurred off the west coast of northern Sumatra at the interface between the India and Burma plates. In this region, the Burma plate is characterized by significant strain partitioning due to oblique convergence of the India and Australia plates to the west and the Sunda and Eurasian plates to the east. Off the west coast of northern Sumatra, the India plate is moving in a northeastward direction at about 5 cm per year relative to the Burma plate. Preliminary locations of larger aftershocks following today's earthquake show that approximately 1000 km of the plate boundary slipped as a result of the earthquake. Aftershocks are distributed along much of the shallow plate boundary between northern Sumatra (approximately 3 degrees north) to near Andaman Island (at about 14 degrees north).



TOPICS: Extended News; News/Current Events
KEYWORDS: earthquake; sumatra; sumatraquake
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To: prairiebreeze
Here is a BBC site (link in Post 45)

Most interesting, reading thru the impassioned accounts of people reporting from the affected zones. Makes one humble, reading about the tragedies of our fellow planetary citizens.

141 posted on 12/26/2004 4:54:14 PM PST by Ciexyz (I use the term Blue Cities, not Blue States. PA is red except for Philly, Pgh & Erie)
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To: Bahbah

Hee,Hee,Hee....


142 posted on 12/26/2004 4:54:14 PM PST by sissyjane (Silk pajamas for dress up, and flannel for everyday-perfect Freeper wardrobe!!)
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To: Larry Lucido; sissyjane; U S Army EOD; commonguymd; Lazamataz

Found this on another thread:

"Pentagon Duty Officer Cheryl Irwin told FOX News that the National Military Command Center has received no reports of any damage to the Diego Garcia Naval Support Facility, off the southern coast of India. The Navy is considering whether and what kind of aid to offer to local governments in the region, said Navy Press Duty Officer Lt. Pauline Pimetel."

83 posted on 12/26/2004 7:47:11 PM EST by Sola Veritas (Trying to speak truth - not always with the best grammar or spelling)

http://www.freerepublic.com/focus/f-news/1308672/posts?page=83#83


143 posted on 12/26/2004 4:54:34 PM PST by Rebelbase (Who is General Chat?)
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To: Strategerist

Like anything else, the energy of a tsunami will take the path of least resistance. If the undersea energy traveling at high speed hits the convex slope of a seamount, it will most likely deflect to either side before it gets close enough to do damage. The worst case scenario is a continental landfall with a gradual slope to a convex shoreline, where the energy has no place to go but up and into the shore.

Note - observations of an amateur. Geophysicists are more than welcome to tear the flesh from my bones if I am mistaken on any point. I welcome correction.


144 posted on 12/26/2004 4:54:47 PM PST by SlowBoat407 (Couldn't you have stopped shooting at us and watched your baby grow instead?)
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To: jimbo123

Me thinks it's not working. It's broken Jim.


145 posted on 12/26/2004 4:55:20 PM PST by sissyjane (Silk pajamas for dress up, and flannel for everyday-perfect Freeper wardrobe!!)
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To: jimbo123

Wow, makes me concerned for that area. wow.


146 posted on 12/26/2004 4:56:03 PM PST by cubreporter
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To: ProudVet77

Are you citing some recent info? If so, what sort and specifics?


147 posted on 12/26/2004 4:56:44 PM PST by Quix (5having a form of godliness but denying its power. I TIM 3:5)
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To: U S Army EOD

Re: the list of 7.5 and above magnitude quakes: a military buddy of mine was a Chinese language radio operator with NSA, and reported listening to Chinese language broadcasts at the time of their 1976 quake that indicated that the death toll was a million people, well above the 650,000 officially listed.


148 posted on 12/26/2004 4:57:07 PM PST by Ciexyz (I use the term Blue Cities, not Blue States. PA is red except for Philly, Pgh & Erie)
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To: Lazamataz

Was there some character claiming that when the poles shift, the earth's rotation would stop then start again? I don't recall, for sure.


149 posted on 12/26/2004 4:58:19 PM PST by Quix (5having a form of godliness but denying its power. I TIM 3:5)
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To: Rebelbase

Good news. Thanks.


150 posted on 12/26/2004 4:58:50 PM PST by Larry Lucido
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To: DollyCali

http://www.freerepublic.com/focus/news/1308458/posts?q=1&&page=151#167

This is a good explanation of what a Tsunami is.


151 posted on 12/26/2004 4:59:11 PM PST by commonguymd (the commonguy's corner bar blogspot - http://commonguyva.blogspot.com)
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To: Quix
Was just taking note of the fact that last week the lava dome had grown quite a bit. I saw one pic posted here of a lot of (steam?) venting into the air as the dome became bigger. The even was posted here on FR
Beyond that nothing new.
152 posted on 12/26/2004 4:59:28 PM PST by ProudVet77 (MERRY CHRISTMAS, damn it!)
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To: nuconvert

Freeperette Incindiary is in Indonesia on a missionary trip, she was almost directly east, less than 400 miles away from the epicenter.


153 posted on 12/26/2004 4:59:39 PM PST by RaceBannon (Jesus: Born of the Jews, through the Jews, for the sins of the World!)
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To: Quix
"Was there some character claiming that when the poles shift, the earth's rotation would stop then start again? I don't recall, for sure.",p>You must have heard what I heard on Fox. Do we need to reset our clocks?
154 posted on 12/26/2004 4:59:42 PM PST by Bahbah
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Comment #155 Removed by Moderator

To: Lazamataz

Could we get a recent pic from one of the free satellite pic sites?

Of Diego Garcia.


156 posted on 12/26/2004 5:01:26 PM PST by Quix (5having a form of godliness but denying its power. I TIM 3:5)
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To: Quix

Seeing as how I was never on another thread, so I couldn't have said any "bald faced personal, selfish, doublespeak, lopsided biased attacks", I think you have the wrong person.


157 posted on 12/26/2004 5:02:44 PM PST by nuconvert (Everyone has a photographic memory. Some don't have film.)
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To: ProudVet77

I thought we leased it from Britain for our exclusive use. Would be probably fitting and logical to share it with them somewhat but I just wasn't aware that we were.

Are you certain?


158 posted on 12/26/2004 5:04:02 PM PST by Quix (5having a form of godliness but denying its power. I TIM 3:5)
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To: Brian Mosely
Okay, everyone has a story and I've got mine. IT's true and I'm sticking to it.

About 3 am about a week before Christmas I lay in my bed in the state of Delaware.

You read right because what happened that night happened I am sure of it. In the tiny state of Delaware.

It was a small tremor, almost inperceptable. But my bed shook and I knew, I JUST knew, it was an earthquake tremor. Not sure what you call something this small.

Within five seconds of my bed shaking, the toilet in my bathroom off of the bedroom shook and I could hear the water within sloshing all around.

THEN I heard this deep glug, glug, glug, the sort of sound made when air comes out of water. Only these bubbles of air were coming from the septic system, which also, I believe, got shook, the waters inside and drain field got sloshed around, air bubbles got inside and finally made their way up to the only exit from entombment, the toilet bowl.

Also, BEFORE I felt that tremor my dog was walking around the room in a very irritated manner. Actually, SHE was the reason I woke up in the middle of the night like that. Remember, this is 3 in the am and the dog is normally under my bed sound asleep at this hour.

Her pacing around unnerved me as it was so odd. Of course I was sound asleep so I was groggy and confused as to why the dog was pacing around like that. The door to the bedroom was closed and she was acting like the proverbial caged animal, like she wanted to get out.

I felt the tremor, heard the waters sloshing, then heard the glug, glugs. It was over as you might imagine within fifteen seconds of starting. I called the dog over and comforted her. She went back under the bed and I fell right back asleep.

My husband was sleeping in the bedroom at the other end of the house because he had a backache and wanted to sleep where there were no dogs, cats ...or wives.

I didn't know if he felt the tremor until the next day.

Well he made fun of me, still does, told me I was nuts, that Delaware doesn't have earthquakes. The bedroom he'd been sleeping in doesn't have an adjoining bathroom so he would not have heard those sloshing waters and the glug, glugs.

This all happened a few days before reportage of that big Alaskan earthquake. Well I told my husband, when that news hit the air waves, that 'see....I felt a tremor in Delaware than a big earthquake in Alaska'.

Well he still doesn't buy it. I'm not sure I do either because no where has there been any reporting of an earth tremor in Delaware.

A few years ago when I lived in nearby Merryland we had a tremor that my husband at the time and I both felt. That tremor was widely reported in all the local news media the next day.

So it isn't as if such tremors are unheard of in this region. Still, no one else has reported a tremor in this Delaware area, or at least I haven't seen such.

Now there's another big earthquake on the planet, albeit very far from my little plot of land in Delaware?

Well I'll never stop believing what I felt was an earth tremor even if no one else believes me.

So there.

159 posted on 12/26/2004 5:04:54 PM PST by Fishtalk (Once a liberal and victim of all the spin. Ask me to interpret.)
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To: nhoward14

It could logically be considered classified info.


160 posted on 12/26/2004 5:05:30 PM PST by Quix (5having a form of godliness but denying its power. I TIM 3:5)
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