Earthquake Details

Seismogram Explanation

Location: North of Macquarie Island

PKiKP-wave arrival time: 15:18:23 (UTC); 9:18:23 am (local).

Date: December 23, 2004

Sdiff-wave arrival time: not verified.

Time: 14:59:04 (UTC); 8:59:04 pm (local)

The vertical axis is in units of displacement in centimeters.

Latitude: 50.24 S

The horizontal axis is in units of time in seconds.

Longitude: 160.13 E

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

Magnitude: 8.1 Mw

Depth: 35 km

Distance: 134.24 deg (9,269 miles from Milwaukee)