The clock is ticking in Sumatra, page 1

The cock in Sumatra is ticking. It is my belief that we are about to witness something historic in this region of the planet. In the past 2 days there have been 8 quakes measuring 6.0 or greater. Four of the 8 quakes have been in Sumatra. Globally there have been 620 quakes over 4.0 in the past 30 days.

Source: www.iris.edu...

If you scroll down that huge list there is something that should be very obvious. Two locations: Northern Sumatera (as they have it listed) and Southern Sumatera. Northern Sumatera has experienced 242 quakes over 4.0 in the past 30 days and Southern Sumatera has experienced 17. So we are talking about 259 quakes over 4.0 in this already pounded region.

There are two things of note in the line from Northern to Southern Sumatra. There is a plate line which may be collapsing. The number and magnitude of quakes in this area since December would indicate this to be possible. A plate collapse could generate a tsunami far greater than the one from December 26, 2004. The other item of interest is what makes a bookend out of Sumatra. You have two very famous volcanos on each end. On the north side you have Toba which was worse than Yellowstone the last time it went off. On the south end you have Krakatoa which exploded in the late 1800's and altered the earth's climate much like Pinatubo did in the early 1990's.

Given that the level of activity in this part of the world following the December 26th has not only NOT decreased but perhaps even increased it raises the very real possibility that a) the plate will collapse or b) that one of the areas volcanos will blow.

How long can this area sustain this kind of activity before something happens? This isn't a case where a large quake hit and you have to deal with the aftershocks for a period of time. This is a case where something broke. You have 1500 feet of land movement in some areas. You have had two historic quakes within miles of each other and barely 3 months apart. It is probably safe to assume that Northern Sumatra has experience 500+ quakes of 4.0 or greater since December 26th. And the strength of the quakes has just stepped up in the past few days. Are the plates doing the work and is one getting ready to collapse or are we about to experience an overdue supervolcanic eruption?

Your thoughts? And sorry if I posted this in the wrong area.

found tons of info here

earthquake.usgs.gov...

has regional as well as world.

Looks like it is not just limited to the one area alone. The world map shows 172 in one week alone for the world. I am sure that number gets updated very often.

Volcano on Indonesia's Sumatra Erupts

A volcano on Indonesia's Sumatra Island erupted Tuesday, spewing out clouds of ash and causing villages on its slopes to flee their homes in panic, government volcanologists said.

Mount Talang's eruption was likely triggered by a series of earthquakes that have rocked Sumatra in recent weeks

Talang began rumbling shortly before dawn Tuesday, and then spewed out ash up to 1,640 feet into the air.

Originally posted by Indy
Just so you know.. I pulled up a map online and checked out NZ. And just so you know it is only 3 inches from Sumatra But seriously its all the way on the other side of AU. Not sure if I'd call it close or not. Its several thousand miles away.

Well, yes, you are right, there is a difference of several thousand miles between the opposite ends of Australia/New Zealand, and Sumatra, but they both share the same tectonic plate. And...according to some new studies, it seems this plate is breaking up....and that is not good news.

Study: Break-up of the Indo-Australian tectonic plate
Thursday 27 January 2005


Australian and American researchers investigating forces exerted on the Indo-Australian tectonic plate have discovered that the considerable stresses being exerted on the plate could be leading to its breaking up.

ARC Professorial Fellow, Mike Sandiford, from the University of Melbourne’s School of Earth Sciences was recently awarded ARC funding for research aimed at understanding the forces that drive the motion of the Earth’s tectonic plates and the distribution of stresses in the Earth’s crust that give rise to great earthquakes such as the magnitude 9 Boxing Day Sumatran quake.

Professor Sandiford says the research shows that as much as 10 per cent of the huge amounts of energy being created at plate connection points at Sumatra and Java are being transferred back into our plate and causing major stresses.

“This is enough stress to contribute to mild earthquake activity in the central regions of the plate, such as in the Australian continent or central Indian Ocean, and provides us with clues as to why our plate has been slowly breaking up,” he says.

“The Indian Ocean quakes are, in effect, leading to the active rupture of the Indo-Australian plate into separate Indian and Australian plates. This new research provides us with important information about the stresses that are driving this drawn out tectonic plate divorce.”

Excerpted from.
uninews.unimelb.edu.au...

---edited for errors---


[edit on 12-4-2005 by Muaddib]

[edit on 12-4-2005 by Muaddib]

The only seismic reading site that i know of and that you probably have is found in this link.

BTW....look at what all the readings show at this moment.

aslwww.cr.usgs.gov...

quote]Originally posted by Hellmutt

Volcano on Indonesia's Sumatra Erupts

A volcano on Indonesia's Sumatra Island erupted Tuesday, spewing out clouds of ash and causing villages on its slopes to flee their homes in panic, government volcanologists said.

Mount Talang's eruption was likely triggered by a series of earthquakes that have rocked Sumatra in recent weeks

Talang began rumbling shortly before dawn Tuesday, and then spewed out ash up to 1,640 feet into the air.

Did anyone else watch the Discovery Yellowstone Movie? What if Mt. Talang is just the start in series of chain reactions, Indonesia has lots of other smaller volcanoes. But then again maybe Talang is a savior and is taking some of the pressure off of Toba? What do you think? More to come? or will quiet down a bit now?

btw if anyone has pics of the erupting Talang, I would like to see them.

Originally posted by Rock Hunter
One major point which I think needs to be noted is that Plates don't "collapse".

It is not a sign that something "big" is going to happen, to the contary, having lots of these smaller quakes is better then having none at all as it reduces stress on the other faults in the region.

I can follow your thinking, but unfortunately I think you`re wrong about this. This time having lots of quakes is not good and does not reduce stress. This is a collapse and we might have just seen the start of this...
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