Magnitude 7.8 Earthquake Chichi-shima, Japan

M7.8 - BONIN ISLANDS, JAPAN REGION

Preliminary Earthquake Report

Magnitude	7.8
Date-Time	30 May 2015 11:23:02 UTC 30 May 2015 20:23:03 near epicenter 30 May 2015 06:23:02 standard time in your timezone
Location	27.831N 140.493E
Depth	677 km
Distances	189 km (117 mi) WNW of Chichi-shima, Japan 771 km (478 mi) SSE of Shimoda, Japan 781 km (484 mi) SSE of Oyama, Japan 783 km (485 mi) SE of Shingu, Japan 874 km (542 mi) S of Tokyo, Japan
Location Uncertainty	Horizontal: 9.4 km; Vertical 9.3 km
Parameters	Nph = 111; Dmin = 186.2 km; Rmss = 0.67 seconds; Gp = 28° Version =
Event ID	us 20002ki3

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