Earthquake Details

Seismogram Explanation

Location: Panama-Costa Rica Border Region

P-wave arrival time: 12:06:38 (UTC); 6:06:38 am (local)

Date: February 4, 2004

S-wave arrival time: not verified.

Time: 11:59:48 (UTC); 5:59:48 am (local)

The vertical axis is in units of displacement in centimeters.

Latitude: 8.42 N

The horizontal axis is in units of time in seconds.

Longitude: 82.95 W

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

Magnitude: 6.1 Mw

Depth: 19 km

Distance: 34.80 deg (2,403 miles from Milwaukee)