Izu Islands, Japan Region 6.4 Mw Earthquake Recorded at UWM

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Earthquake Details

Location: Izu Islands, Japan Region
Date: October 23, 2006
Time: 21:17:20 UTC; 4:17:20 pm CDT
Latitude: 29.37 N
Longitude: 140.32 W
Magnitude: 6.4 Mw
Depth: 4 km
Distance: 95.39 deg (6,587 miles from Milwaukee)

Seismogram Explanation

P-wave arrival time: Not verified.
S-phase arrival time: Not verified.
The vertical axis is in units of displacement in centimeters.
The horizontal axis is in units of time in seconds.
The beginning of the file is the origin of the event.
This record is heavily filtered to reduce the amount of noise.

Updated as of by Brett Ketter

Seismograms created using Seismic Analysis Code (SAC; Lawrence Livermore National Laboratory)
Focal mecanisms created using Generic Mapping Tools (GMT; Wessel and Smith; University of Hawaii, Manoa)