5.5 Mb - OFF EAST COAST OF HONSHU, JAPAN

Preliminary Earthquake Report
Magnitude 5.5 Mb
Date-Time
12 Mar 2011 10:20:21 UTC
12 Mar 2011 20:20:21 near epicenter
12 Mar 2011 20:20:21 standard time in your timezone
Location 37.197N 143.482E
Depth 25 km
Distances
229 km (142 miles) E (86 degrees) of Iwaki, Honshu, Japan
257 km (160 miles) ESE (116 degrees) of Sendai, Honshu, Japan
273 km (169 miles) ESE (102 degrees) of Fukushima, Honshu, Japan
375 km (233 miles) ENE (62 degrees) of TOKYO, Japan
Location Uncertainty Horizontal: 17.2 km; Vertical 0.0 km
Parameters Nph = 270; Dmin = 476.4 km; Rmss = 0.67 seconds; Gp = 97�
M-type = Mb; Version = 7
Event ID US c00020f4


David Cottle

UBB Owner & Administrator