Earthquake Details

Seismogram Explanation

Location: Off West Coast of S. Island, New Nealand

Pdiff-wave arrival time: not verified.

Date: November 22, 2004

PP-wave arrival time: 20:47:46 (UTC); 2:47:46 pm (local).

Time: 20:26:25 (UTC); 2:26:25 pm (local)

SKP-wave arrival time: 20:48:55 (UTC); 2:48:55 pm (local).

Latitude: 46.57 S

Sdiff-wave arrival time: not verified.

Longitude: 164.83 E

The vertical axis is in units of displacement in centimeters.

Magnitude: 7.3 Mw

The horizontal axis is in units of time in seconds.

Depth: 23 km

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

Distance: 129.99 deg (8,976 miles from Milwaukee)