University of Wisconsin Milwaukee Department of Geosciences
9/7/04 Santiago Del Estero Prv., Argentina 6.4 Mw Earthquake
9/7/04 Santiago Del Estero Prv., Argentina Focal Mechanism
9/7/04 Santiago Del Estero Prv., Argentina Earthquake Focal Mechanism


Earthquake Details

Seismogram Explanation

Location: Southern Sumatra, Indonesia

P-wave arrival time: 12:04:39 (UTC); 7:04:39 am (local).

Date: September 7, 2004

S-wave arrival time: Not verified.

Time: 11:53:06 (UTC); 6:53:06 am (local)

The vertical axis is in units of displacement in centimeters.

Latitude: 28.58 S

The horizontal axis is in units of time in seconds.

Longitude: 65.83 W

The beginning of the file is the origin of the event.

Magnitude: 6.4 Mw

Depth: 23 km

Distance: 74.14 deg (5,119 miles from Milwaukee)


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)

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