Article

2004-12-28 -Signs, Portents, and the Weather-

Quake rattled Earth orbit, changed map of Asia

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Posted by trailing wife 2004-12-28 2:27:57 AM|| || Front Page|| [11128 views since 2007-05-07] Top

#1 A consideration when considering using GPS for property surveys. Say Bill, what used to be on your land before the quake, now appears to be on mine!

Posted by Whaing Wherong1888 2004-12-28 9:42:29 AM|| 2004-12-28 9:42:29 AM|| Front Page Top

#2 They say we lost 3 microseconds from the event, because the quake's force backwashed against the west to east rotation of the Earth, sort of like a plane using it's flaps to help slow down!

Well, look on the bright side, we're all younger by a fraction of a second...exilarating!

Posted by smn 2004-12-28 10:23:50 AM|| 2004-12-28 10:23:50 AM|| Front Page Top

#3 A few facts:

The first "pendulum seismoscope" to measure the shaking of the ground during an earthquake was developed in 1751, and it wasn't until 1855 that faults were recognized as the source of earthquakes.

The world's deadliest recorded earthquake occurred in 1557 in central China. It struck a region where most people lived in caves carved from soft rock. These dwellings collapsed during the earthquake, killing an estimated 830,000 people. In 1976 another deadly earthquake struck in Tangshan, China, where more than 250,000 people were killed.

Tsunami
A Japanese word made up from two characters. The character âtsuâ means harbour and the character ânamiâ means wave.

The figure below shows the amplitude, trough and crest of a tsunami wave in relation to the sea floor and still water level. Note how the wave shape changes and the height increases as it approaches the coastline.

Posted by Mark Espinola 2004-12-28 3:32:39 PM|| 2004-12-28 3:32:39 PM|| Front Page Top

#4 The folks at NIST (Nat'l Institutes of Standards and Technology) are drawing straws as to who gets to go adjust the atomic clock...

Posted by Seafarious 2004-12-28 3:35:19 PM|| 2004-12-28 3:35:19 PM|| Front Page Top

#5 Note how the wave shape changes and the height increases as it approaches the coastline.

A firsthand video from Phuket just shows the water just rising and rising. I kind of expected a wave similar to the breakers on the beach. Watching the water rushing in was a bit unnerving.

Notes: clicking on the link will result in a Forbidden error - simply right-click and select Save As. Also, big file, dialup users don't even bother with it.

(via Right-Thinking)

Posted by Bomb-a-rama 2004-12-28 4:39:57 PM|| 2004-12-28 4:39:57 PM|| Front Page Top

#6 Does this mean I can go back long on Oil?

Posted by Shipman 2004-12-28 5:20:58 PM|| 2004-12-28 5:20:58 PM|| Front Page Top

#7 BAR - the "save as" choice was grayed out when I tried it.

Posted by Barbara Skolaut 2004-12-28 8:14:25 PM|| 2004-12-28 8:14:25 PM|| Front Page Top

#8 IIUC usually the tide goes out - wayyyy out- right before the waves hit. Should a quarter-mile of previous seafloor become beach in a few seconds....RUN

Posted by Frank G 2004-12-28 8:18:25 PM|| 2004-12-28 8:18:25 PM|| Front Page Top

#9 the "save as" choice was grayed out when I tried it.

How about "Save Target As.." (IE), or "Save Link Target As.." (Mozilla)?

You gotta see it. An older couple was hanging onto a rail as the water flowed in and were trying to get to a nearby balcony and they were swept away right in front of the camera.

Posted by Bomb-a-rama 2004-12-28 10:41:52 PM|| 2004-12-28 10:41:52 PM|| Front Page Top

#10 (right click on the link, that is)

Posted by Bomb-a-rama 2004-12-28 10:42:53 PM|| 2004-12-28 10:42:53 PM|| Front Page Top

#11 Some interesting facts:

-------------

The entire island of Sumatra was moved some 100 feet to the southwest.

The energy release was on par with 1,000,000 (one million) atomic bombs the size of the one dropped on Hiroshima.

Tsunami waves can accelerate up to 600 MPH and stretch out ot 100 miles long.

-------------

One-hundred-mile long ocean waves moving at almost trans-sonic speeds. Mind bending, period.

Posted by Zenster 2004-12-28 11:22:10 PM|| 2004-12-28 11:22:10 PM|| Front Page Top

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