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10/24/2004 03:04:10 AM · #1 |
Sad to lose people in natural disasters, specially in other countries.
News Story
So you think the earthquakes will get worse over the years?
I felt one last, about a year and half a go. It was really wierd and not really but a slight shake, they arent known to occur here often.
Message edited by author 2004-10-24 03:04:37.
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10/24/2004 03:16:18 AM · #2 |
| It does concern me especially since my son, his wife and soon to be born child live there, they are in Osaka which I think wasnt hit although we haven't heared yet. |
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10/24/2004 03:24:27 AM · #3 |
Yeah not good at all. Still, that number of casualties for such large magnitude earthquakes is astinishingly low. Shows that the Japaneses are very well-prepared to deal with earthquakes on the whole.
As for earthquakes getting worse in coming years, no. They're mainly generated by plates of the earth's crust rubbing other plates as they float around on top of the magma of the earth's core. They're not affected by climate change or anything else we can do as humans. In fact, as the earth's core slowly cools and the plates thicken, there will be fewer and fewer earthquakes as the plates won't move around as much. That will take millions of years, though. The big earthquakes are a result of two plates siting on top of one another and getting stuck together and then finally jerking to release this energy that has been built up. On the west coast of BC, Washington and Oregon the same plate that is submerging under the North American plate and caused all those volcanoes to happen, (ie Mt. St. Helens) due to the plate melting as it submerges and that molten lava boiling up through theplate on top, does a jerk every 500 years or so and causes a huge earthquake on the west coast. They can tell this by monitoring silt levels on the sea floor. Every 500 years there's a layer of 'landslide' material caused by this earthquake. We're getting due for another one unfortunately.
Whew. Forgive me, I'm a geographer...tee hee.
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10/24/2004 03:27:46 AM · #4 |
We live in Tokyo, which is pretty far away from where the epicenter was, and all we felt was a little bit of rocking for all three of the quakes last night. Osaka is even farther away, so they might not have felt them at all.
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10/24/2004 03:30:24 AM · #5 |
Yes it seems the will continue to rise. Earthquakes have been on the rise for some time now. Below are world wide figures.
1990 16612
1991 16516
1992 19524
1993 21476
1994 19371
1995 21007
1996 19938
1997 19872
1998 21688
1999 20832
2000 22256
2001 23534
2002 27454
2003 31419
2004 28828 as of Oct. 22
So they seem to be on the rise. But the magnitude seems to stay somewhat level.
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10/24/2004 03:46:45 AM · #6 |
Originally posted by jimmythefish:
As for earthquakes getting worse in coming years, no. They're mainly generated by plates of the earth's crust rubbing other plates as they float around on top of the magma of the earth's core. |
A friend of mine told me his theory about earthquakes. They become more and more common as we take the earth's natural lubrication aka oil. As we suck the planet dry the plates rub rougher and rougher. So we might actually have a measure of control over the increase.
It's not a proven theory or even a tested theory, but the logic fits perfectly. So who knows, it could very well be possible.
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10/24/2004 04:17:02 AM · #7 |
I'm in Japan too, on the other side of the mountain range from the epicentres. I was surprised at the length of the quaking more than anything, plus the number of them within such a short time. As usual, within minutes the TV stations broadcast information about magnituse and locations.
At the moment, 21 dead and 1500 being treated for injuries. Remember that Kobe had over 5000 dead 10 years ago.
And there have been more aftershocks today.
Message edited by author 2004-10-24 06:25:41. |
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10/24/2004 05:30:57 AM · #8 |
Not sure if you can compare the years like that.
I can imagine they have more and better sensors every year and thus recording more earthquakes.
Originally posted by SDW65:
Yes it seems the will continue to rise. Earthquakes have been on the rise for some time now. Below are world wide figures.
1990 16612
1991 16516
1992 19524
1993 21476
1994 19371
1995 21007
1996 19938
1997 19872
1998 21688
1999 20832
2000 22256
2001 23534
2002 27454
2003 31419
2004 28828 as of Oct. 22
So they seem to be on the rise. But the magnitude seems to stay somewhat level. |
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10/24/2004 06:12:15 AM · #9 |
True, but we weren't exactly in the dark 14 years ago.
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