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An earthquake has struck near the eastern coast of Japan. The preliminary magnitude was 5.3, according to the U.S. Geological Survey. A tsunami warning has not been issued. Details from the USGS:

Date-Time:

Friday, December 02, 2011 at 20:55:27 UTC

Saturday, December 03, 2011 at 05:55:27 AM at epicenter

Location: 35.267°N, 140.179°E

Depth: 17.5 km (10.9 miles)

Distances from epicenter:

59 km (37 miles) SE (139°) from TOKYO, Japan

125 km (78 miles) SSW (193°) from Mito, Honshu, Japan

154 km (96 miles) ESE (108°) from Kofu, Honshu, Japan

This article will be updated if the event proves significant.