Magnitude 4.5 Earthquake of BONIN ISLANDS, JAPAN REGION 2011 December 20

2011 December 20 01:22:23 UTC: BONIN ISLANDS, JAPAN REGION

Magnitude: 4.5

Date-Time : Tuesday, December 20, 2011 at 01:22:23 UTC
Tuesday, December 20, 2011 at 11:22:23 AM at epicenter

Location : 27.221°N, 140.151°E

Depth : 362.5 km (225.3 miles)
Region : BONIN ISLANDS, JAPAN REGION

Distances:

a) 205 km (127 miles) W of Chichi-shima, Bonin Islands, Japan

b) 294 km (182 miles) NNW of Iwo Jima, Volcano Islands, Japan

c) 654 km (406 miles) S of Hachijo-jima, Izu Islands, Japan

d) 939 km (583 miles) S of TOKYO, Japan

Location Uncertainty: horizontal +/- 23.1 km (14.4 miles); depth +/- 9.5 km (5.9 miles)

Parameters : NST=102, Nph=106, Dmin=202.6 km, Rmss=0.67 sec, Gp= 94°, M-type=body wave magnitude (Mb), Version=4