Magnitude 3.3, Sat Aug 21 2021 8:11 AM


Location history for this earthquake. The automatic earthquake location system makes many locations for each quake. Not all quakes have a location history.

Magnitude History


0.01.02.03.04.0Magnitude01234567891011Time since earthquake (minutes)Magnitude Historyb

The magnitude history for this event. The most recent value is shown as a larger circle and also labeled: c: caution, g: good b: best (reviewed by a duty person).

Depth History


0102030Depth (km)01234567891011Time since earthquake (minutes)Depth Historyb

The depth history for this event. The most recent value is shown as a larger circle and also labeled; c: caution, g: good b: best (reviewed by a duty person).

Origin History Map

Map of New Zealand.

Location History


Modification Time Quality Magnitude Depth Latitude Longitude
2021-08-20T20:22:23Z best 3.3 20.5 -37.51 178.67
2021-08-20T20:13:27Z preliminary 3.4 20.9 -37.61 178.45
2021-08-20T20:13:18Z preliminary 3.3 20.9 -37.61 178.45
2021-08-20T20:13:16Z preliminary 3.3 20.9 -37.61 178.45
2021-08-20T20:13:15Z preliminary 3.3 20.9 -37.61 178.45
2021-08-20T20:13:10Z preliminary 3.3 20.9 -37.61 178.45
2021-08-20T20:13:05Z preliminary 3.3 20.9 -37.61 178.45
2021-08-20T20:12:59Z preliminary 3.3 20.9 -37.61 178.45
2021-08-20T20:12:55Z preliminary 3.3 20.9 -37.61 178.45
2021-08-20T20:12:48Z preliminary 3.3 20.9 -37.61 178.45
2021-08-20T20:12:44Z preliminary 3.2 20.9 -37.61 178.45
2021-08-20T20:12:35Z preliminary 3.1 20.9 -37.61 178.45
2021-08-20T20:12:33Z preliminary 3.0 20.9 -37.61 178.45
2021-08-20T20:12:30Z preliminary 2.8 20.9 -37.61 178.45
2021-08-20T20:12:30Z preliminary 2.8 20.9 -37.61 178.45
2021-08-20T20:12:26Z automatic 2.6 32.2 -37.84 178.27
2021-08-20T20:12:19Z automatic 2.8 20.9 -37.61 178.45
2021-08-20T20:12:16Z automatic 2.7 20.9 -37.61 178.45