Magnitude 3.7, Mon Sep 20 2021 2:10 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


0.01.02.03.04.0Magnitude0123Time 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


010Depth (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
2021-10-15T03:53:37Z best 3.7 2.2 -41.37 171.95
2021-10-15T03:47:50Z best 3.7 2.5 -41.38 171.95
2021-09-19T14:14:13Z best 3.8 2.7 -41.37 171.94
2021-09-19T14:13:41Z best 3.7 5.0 -41.37 171.94
2021-09-19T14:12:40Z preliminary 3.7 14.4 -41.37 171.96
2021-09-19T14:12:33Z preliminary 3.7 14.4 -41.37 171.96
2021-09-19T14:12:32Z preliminary 3.7 14.4 -41.37 171.96
2021-09-19T14:12:31Z preliminary 3.7 14.4 -41.37 171.96
2021-09-19T14:12:10Z preliminary 3.7 14.4 -41.37 171.96
2021-09-19T14:11:57Z preliminary 3.7 14.4 -41.37 171.96
2021-09-19T14:11:53Z preliminary 3.8 14.4 -41.37 171.96
2021-09-19T14:11:46Z preliminary 3.8 14.4 -41.37 171.96
2021-09-19T14:11:45Z preliminary 3.7 14.4 -41.37 171.96
2021-09-19T14:11:31Z preliminary 3.6 14.4 -41.37 171.96