Magnitude 4.6 Date-Time Saturday, February 04, 2012 at 22:33:39 UTC Sunday, February 05, 2012 at 07:33:39 AM at epicenter Location 29.086°N, 141.669°E Depth 54.2 km (33.7 miles) Region IZU ISLANDS, JAPAN REGION Distances 229 km (142 miles) NNW (347°) from Chichi-shima, Bonin Islands, Japan 479 km (298 miles) SSE (158°) from Hachijo-jima, Izu Islands, Japan 480 km (298 miles) N (4°) from Iwo-jima, Volcano Islands, Japan 724 km (450 miles) SSE (154°) from Shizuoka, Honshu, Japan 754 km (468 miles) SSE (166°) from TOKYO, Japan Location Uncertainty horizontal +/- 22 km (13.7 miles); depth +/- 10.4 km (6.5 miles) Parameters NST= 31, Nph= 31, Dmin=226 km, Rmss=0.42 sec, Gp= 94°, M-type=body wave magnitude (Mb), Version=5 Source Magnitude: USGS NEIC (WDCS-D) Location: USGS NEIC (WDCS-D) Event ID usb0007w09

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Earthquake: M 4.6, Izu Islands, Japan region