Intense M6.1 in Chiba with multiple aftershocks — Fukushima hit with M4.6 — Began with M6.8 off northeast Japan four hours ago (MAPS)

Published: March 14th, 2012 at 8:40 am ET
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The M6.1 quake to hit Chiba was rated a 5+ intensity, two categories stronger than the M6.8 that hit an hour and 45 minutes prior. On the Japanese scale there are only three levels more intense than a 5+.

Title: Earthquake Information
Source: Japan Meteorological Agency
Date: March 14, 2012

List of quakes during the 4-hour period from 4:09am ET – 7:59am ET

22:04 JST 14 Mar 2012 21:59 JST 14 Mar 2012 Chiba-ken Toho-oki M3.7 1
22:02 JST 14 Mar 2012 21:58 JST 14 Mar 2012 Chiba-ken Toho-oki M3.2 1
21:45 JST 14 Mar 2012 21:40 JST 14 Mar 2012 Chiba-ken Toho-oki M3.1 1
21:34 JST 14 Mar 2012 21:29 JST 14 Mar 2012 Chiba-ken Toho-oki M3.6 1
21:32 JST 14 Mar 2012 21:27 JST 14 Mar 2012 Chiba-ken Toho-oki M3.7 1
21:30 JST 14 Mar 2012 21:25 JST 14 Mar 2012 Chiba-ken Toho-oki M3.7 1
21:23 JST 14 Mar 2012 21:16 JST 14 Mar 2012 Chiba-ken Toho-oki M3.1 1
21:16 JST 14 Mar 2012 21:05 JST 14 Mar 2012 Chiba-ken Toho-oki M6.1 5+
21:09 JST 14 Mar 2012 21:05 JST 14 Mar 2012 Chiba-ken Toho-oki M6.1 5+
20:45 JST 14 Mar 2012 20:40 JST 14 Mar 2012 Sanriku Oki M5.3 1
20:03 JST 14 Mar 2012 19:58 JST 14 Mar 2012 Sanriku Oki M5.3 2
19:55 JST 14 Mar 2012 19:49 JST 14 Mar 2012 Sanriku Oki M5.9 3
19:35 JST 14 Mar 2012 19:29 JST 14 Mar 2012 Fukushima-ken Oki M4.6 1
18:21 JST 14 Mar 2012 18:09 JST 14 Mar 2012 Sanriku Oki M6.8 4

Chiba

See also: Tsunami warning issued after M6.8 quake hits off northeast Japan (MAP)

Published: March 14th, 2012 at 8:40 am ET
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