Magnitude 3.7, Thu Jul 15 2021 7:31 PM



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


0.01.02.03.04.0Magnitude0123Time since earthquake (weeks)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


0204060Depth (km)0123Time since earthquake (weeks)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
2021-08-09T01:59:33Z best 3.7 33.0 -45.11 167.49
2021-07-15T07:44:17Z best 3.9 42.2 -45.11 167.45
2021-07-15T07:33:57Z preliminary 3.6 50.9 -45.21 167.57
2021-07-15T07:33:55Z preliminary 3.7 50.9 -45.21 167.57
2021-07-15T07:33:38Z preliminary 3.6 50.9 -45.21 167.57
2021-07-15T07:33:34Z preliminary 3.6 50.9 -45.21 167.57
2021-07-15T07:33:31Z preliminary 3.6 50.9 -45.21 167.57
2021-07-15T07:33:27Z preliminary 3.5 50.9 -45.21 167.57
2021-07-15T07:33:12Z preliminary 3.3 50.9 -45.21 167.57
2021-07-15T07:32:55Z preliminary 3.3 50.9 -45.21 167.57