| Earthquake Details | Seismogram Explanation |
|---|---|
| Location: Kermadec Islands Region Date: February 18, 2009 Time: 21:53:44 UTC; 3:53:44 pm CST. Latitude: 27.46 S Longitude: 176.32 W Magnitudes: 6.9 Mw Depth: 40 km Distance: 107.11 deg (7,396 miles from Milwaukee) | Pdiff-wave arrival time: not verified. Sdiff-wave arrival time: not verified. The vertical axis is in units of displacement in centimeters. The horizontal axis is in units of time in seconds. The beginning of the file is the origin of the event. |