Magnitude 2.7, Thu Jul 22 2021 1:17 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


0.01.02.03.0Magnitude0123Time 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


0100Depth (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
2021-08-17T02:23:12Z best 2.7 143.5 -37.09 177.52
2021-08-12T04:04:56Z best 2.6 160.4 -37.21 177.58
2021-07-21T13:23:29Z best 2.7 131.8 -37.04 177.50
2021-07-21T13:19:14Z preliminary 2.7 119.4 -36.97 177.34
2021-07-21T13:19:03Z preliminary 2.7 119.4 -36.97 177.34
2021-07-21T13:18:53Z preliminary 2.7 119.4 -36.97 177.34
2021-07-21T13:18:46Z preliminary 2.7 119.4 -36.97 177.34
2021-07-21T13:18:39Z preliminary 2.7 119.4 -36.97 177.34
2021-07-21T13:18:37Z preliminary 2.6 119.4 -36.97 177.34
2021-07-21T13:18:28Z preliminary 2.6 119.4 -36.97 177.34
2021-07-21T13:18:23Z preliminary 2.6 119.4 -36.97 177.34