Friday, February 17, 2012

2 Earthquakes Just Hit Exactly the Same Location Within 16 Minutes in Chiba

The first quake:

1:59PM, 2/18/2012
lat. 35.6N., long. 140.1E.
Depth 10 kilometers
Magnitude 3.8

The second quake:

2:15PM, 2/18/2012
lat. 35.6N., long. 140.1E.
Depth 10 kilometers
Magnitude 4.2

The location is northwest Chiba.

I don't know about the statistics enough to comment on the likelihood of two earthquakes happening at exactly the same location 16 minutes apart.


Chibaguy said...

All I can say is that a dormant fault line seems to be active now in Chiba, Ibaraki and Fukushima inland. They feel like bombs going off underground. Vertical shaking and less horizontal shaking.

farfromhome said...

Chibaguy - wondered if you all felt those ones. We did not here on the Miura Peninsula this time. But a few days ago our pendulum lights were lights just swinging...

I agree, the movement of some of the latest ones feels more vertical. They really take you by surprise(all do), but the sensation seems different. We are hating it!

It has gotten to the point where I imagine it happening at times and have to look around to be confirm if it is real. Doesn't help that our sensei, who is 69, has brought up the statistics about the next four years and having a big one here. :(

But I know, I know we have had it much easier than the folks up north.

Anonymous said...

There are stress points that go CRACK once in a while. We have one in my country. Every year or so, there is a 4.something quake somewhere in this one specific 50 km radius circle. Every 40 years or so, there's a 7.something

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