| Earthquake Details |
Seismogram Explanation |
| Location: Kermadec Islands, New Zealand |
Pdiff-wave: not verified. |
| Date: March 4, 2021 |
Sdiff-wave: not verified. |
| Time: 17:41:25 UTC; 11:41:25 am CST |
The vertical axis is in units of displacement in centimeters. |
| Latitude: -29.61 S |
The horizontal axis is in units of time in seconds. |
| Longitude: 177.84 W |
The beginning of the file is the origin of the event. |
| Magnitude: 7.4 Mw |
This was a foreshock to an 8.1 event that occurred ~2 hours later. |
| Depth: 45.5 km |
|
| Distance: 109.69 degrees (~7,425 miles from Milwaukee) |
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