Home > World Issues > Japan Earthquake Update: The Honshu giant does not sleep.

Japan Earthquake Update: The Honshu giant does not sleep.


Just one day after I wrote about the Honshu fault finally settling down, it erupts again with a flurry of 5.0 quakes and 4 Strong 6.0+ quakes. In fact two of the quakes measured 6.6!

After only one day of feeling a steadiness return to the ground of Northern Japan, the violent shaking has returned again. Even more frightening is the fact that one of the Strong quakes (6.4) was very near the coast and shallow. The USGS reported the location of this quake as:

Magnitude 6.4
Date-Time

* Tuesday, March 22, 2011 at 09:19:05 UTC
* Tuesday, March 22, 2011 at 06:19:05 PM at epicenter

Location 37.334°N, 141.861°E
Depth 27 km (16.8 miles)
Region NEAR THE EAST COAST OF HONSHU, JAPAN
Distances 92 km (57 miles) ENE of Iwaki, Honshu, Japan
131 km (81 miles) E of Koriyama, Honshu, Japan
132 km (82 miles) ESE of Fukushima, Honshu, Japan
262 km (162 miles) NE of TOKYO, Japan
Location Uncertainty horizontal +/- 14.3 km (8.9 miles); depth +/- 0.8 km (0.5 miles)
Parameters NST=430, Nph=433, Dmin=337.3 km, Rmss=0.76 sec, Gp= 50°,
M-type=”moment” magnitude from initial P wave (tsuboi method) (Mi/Mwp), Version=7
Source

* USGS NEIC (WDCS-D)

The following is a more detailed look at March 22nd in Northern Japan:

Magnitude Date/Time LAT LONG Depth Detail
MAP 5.1 2011/03/22 22:53:31 37.062 140.620 27.9 EASTERN HONSHU, JAPAN
MAP 5.0 2011/03/22 22:51:38 36.924 142.333 30.1 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.4 2011/03/22 22:36:33 37.078 140.561 15.7 EASTERN HONSHU, JAPAN
MAP 5.7 2011/03/22 22:12:29 37.109 140.673 1.0 EASTERN HONSHU, JAPAN
MAP 5.1 2011/03/22 19:40:43 -7.625 127.576 137.3 KEPULAUAN BARAT DAYA, INDONESIA
MAP 5.5 2011/03/22 16:12:09 35.672 141.638 33.3 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.2 2011/03/22 16:05:51 35.757 141.591 41.2 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.4 2011/03/22 15:49:26 39.171 142.301 21.8 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.1 2011/03/22 15:03:46 35.786 141.572 16.4 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/22 14:45:19 -33.146 -15.920 10.0 SOUTHERN MID-ATLANTIC RIDGE
MAP 5.8 2011/03/22 13:50:51 35.791 141.534 15.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.1 2011/03/22 13:31:29 -33.085 -15.979 11.9 SOUTHERN MID-ATLANTIC RIDGE
MAP 5.2 2011/03/22 12:56:27 37.050 143.992 35.7 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.4 2011/03/22 12:04:08 36.256 141.408 33.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.6 2011/03/22 12:01:21 36.947 143.203 1.0 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.5 2011/03/22 11:21:39 39.789 143.139 24.8 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/22 10:19:01 40.344 142.531 20.5 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.6 2011/03/22 09:44:30 39.863 143.436 15.5 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 6.4 2011/03/22 09:19:06 37.334 141.861 27.0 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 6.6 2011/03/22 07:18:48 37.249 143.956 26.5 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/22 06:28:32 36.703 142.389 40.7 OFF THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/22 05:59:35 35.678 141.684 20.6 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.0 2011/03/22 05:44:32 -57.444 -25.831 84.1 SOUTH SANDWICH ISLANDS REGION
MAP 5.9 2011/03/22 03:38:35 35.228 141.053 11.4 NEAR THE EAST COAST OF HONSHU, JAPAN
MAP 5.1 2011/03/22 01:13:48 36.085 141.837 35.9 NEAR THE EAST COAST OF HONSHU, JAPAN

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