6.1 Mw - OFF EAST COAST OF HONSHU, JAPAN

Preliminary Earthquake Report
Legend with age and magnitude scale
Magnitude 6.1 Mw
Date-Time
  • 13 Apr 2011 19:57:23 UTC
  • 14 Apr 2011 05:57:23 near epicenter
  • 13 Apr 2011 11:57:23 standard time in your timezone
Location 39.587N 143.357E
Depth 11 km
Distances
  • 188 km (117 miles) ESE (122 degrees) of Hachinohe, Honshu, Japan
  • 191 km (119 miles) E (94 degrees) of Morioka, Honshu, Japan
  • 261 km (162 miles) NE (54 degrees) of Sendai, Honshu, Japan
  • 539 km (335 miles) NE (35 degrees) of TOKYO, Japan
Location Uncertainty Horizontal: 16.3 km; Vertical 6.3 km
Parameters Nph = 370; Dmin = 270.5 km; Rmss = 0.67 seconds; Gp = 50°
M-type = Mw; Version = 8
Event ID US c0002q0d

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U.S. Geological Survey
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