University of Wisconsin Milwaukee Department of Geosciences
9/19/04 Near Islands, Aleutian Islands 6.1 Mw Earthquake
9/19/04 Near Islands, Aleutian Islands Focal Mechanism
9/19/04 Near Islands, Aleutian Islands Earthquake Focal Mechanism


Earthquake Details

Seismogram Explanation

Location: Near Islands, Aleutian Islands

P-wave arrival time: 20:36:20(UTC); 3:36:20 pm (local)

Date: September 19, 2004

S-wave arrival time: 20:44:40 (UTC); 3:44:40 pm (local)

Time: 20:26:03 (UTC); 3:26:03 pm (local)

The vertical axis is in units of displacement in centimeters.

Latitude: 52.26 N

The horizontal axis is in units of time in seconds.

Longitude: 173.95 E

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

Magnitude: 6.1 Mw

Depth: 24 km

Distance: 61.77 deg (4,265 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)

Back to Map | UWM Geosciences Homepage | UWM College of Letters and Sciences

[ UWM Home Page ]