Magnitude 3.3, Mon Sep 20 2021 6:53 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


02040Depth (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
2021-10-15T04:15:00Z best 3.3 33.0 -37.49 -179.96
2021-09-19T19:00:20Z best 3.3 33.0 -37.49 -179.96
2021-09-19T18:56:11Z preliminary 3.6 48.1 -37.20 -179.25
2021-09-19T18:56:04Z preliminary 3.6 48.1 -37.20 -179.25
2021-09-19T18:56:02Z preliminary 3.6 48.1 -37.20 -179.25
2021-09-19T18:56:01Z preliminary 3.6 48.1 -37.20 -179.25
2021-09-19T18:56:01Z preliminary 3.6 48.1 -37.20 -179.25
2021-09-19T18:55:56Z preliminary 3.6 48.1 -37.20 -179.25
2021-09-19T18:55:55Z preliminary 3.6 48.1 -37.20 -179.25
2021-09-19T18:55:51Z preliminary 3.5 48.1 -37.20 -179.25
2021-09-19T18:55:50Z preliminary 3.6 48.1 -37.20 -179.25
2021-09-19T18:55:49Z preliminary 3.6 48.1 -37.20 -179.25
2021-09-19T18:55:45Z preliminary 3.5 48.1 -37.20 -179.25
2021-09-19T18:55:36Z preliminary 3.5 48.1 -37.20 -179.25