6.4 Mw - NEAR EAST COAST OF HONSHU, JAPAN

Preliminary Earthquake Report


ShakeMap

PAGER

Impact Estimates

Historic Seismicity

City Exposure List

See PAGER XML link (above).

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Historic Seismicity

Technical

Location and Magnitude contributed by: USGS, NEIC, Golden, Colorado (and predecessors)

Summary

Preferred Location Parameters

Parameter Value Uncertainty
Magnitude 6.4 Mwp ± 0.02
Location 38.894°N, 141.946°E ± 15.5 km
Depth 31.8 km ± 7.0 km
Number of Stations Used 556
Number of Phases Used 560
Minimum Distance 361.8 km (3.25°)
Travel Time Residual 0.94 sec
Azimuthal Gap 65°
Review Status REVIEWED
Event ID usb000ahy0
See the “Contributed Solutions” for a list of all contributed location parameters.

Moment Tensor

Moment Tensor EQXML

Contributed Solutions

Seismic Network Preferred Location & Magnitude

Source Event ID Time Magnitude Latitude Longitude Depth Status Download
NEIC usb000ahy0 20:32:20 6.4 Mwp 38.894°N 141.946°E 31.8 REVIEWED EQXML

Moment Tensor

Downloads


Magnitude 6.4 Mw
Date-Time
  • 17 Jun 2012 20:32:20 UTC
  • 18 Jun 2012 05:32:20 near epicenter
  • 17 Jun 2012 12:32:20 standard time in your timezone
Location 38.894N 141.945E
Depth 31 km
Distances
  • 115 km (72 miles) SE (142 degrees) of Morioka, Honshu, Japan
  • 117 km (73 miles) NE (52 degrees) of Sendai, Honshu, Japan
  • 182 km (113 miles) NE (45 degrees) of Fukushima, Honshu, Japan
  • 408 km (254 miles) NNE (28 degrees) of TOKYO, Japan
Location Uncertainty Horizontal: 15.5 km; Vertical 7.0 km
Parameters Nph = 560; Dmin = 361.8 km; Rmss = 0.94 seconds; Gp = 64°
M-type = Mw; Version = 9
Event ID US b000ahy0

For updates, maps, and technical information, see:
Event Page
or
USGS Earthquake Hazards Program

National Earthquake Information Center
U.S. Geological Survey
http://neic.usgs.gov/

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