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Northern Sumatra, Indonesia 8.7 Mw Earthquake Recorded at UWM
Northern Sumatra, Indonesia 8.7 Mw Earthquake Focal Mechanism
Northern Sumatra, Indonesia 8.7 Mw Earthquake Focal Mechanism

Earthquake Details

Location: Northern Sumatra, Indonesia
Date: March 28, 2005
Time: 16:09:36 UTC; 10:09:36 am CDT
Latitude: 2..07 N
Longitude: 97.01 E
Magnitude: 8.7 Mw
Depth: 21 km
Distance: 134.84 deg (9,311 miles from Milwaukee)

Seismogram Explanation

Pdiff-wave arrival time not verified.
Sdiff-wave 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 is an aftershock from the December 26th 9.0
Mw devastating earthquake.
There was not a large tsunami associated with this earthquake.