Magnitude 3.4, Tue Jul 21 2020 10:41 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


0.01.02.03.04.0Magnitude0123456789101112131415161718192021Time 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


010Depth (km)0123456789101112131415161718192021Time 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
2020-07-21T11:02:57Z best 3.4 9.4 -41.63 174.26
2020-07-21T10:43:24Z preliminary 3.3 7.6 -41.63 174.25
2020-07-21T10:43:23Z preliminary 3.3 7.6 -41.63 174.25
2020-07-21T10:43:21Z preliminary 3.4 7.6 -41.63 174.25
2020-07-21T10:43:21Z preliminary 3.4 7.6 -41.63 174.25
2020-07-21T10:43:21Z automatic 3.4 13.2 -41.63 174.25
2020-07-21T10:43:21Z automatic 3.4 13.2 -41.63 174.25
2020-07-21T10:43:21Z automatic 3.4 15.1 -41.64 174.25
2020-07-21T10:43:20Z automatic 3.3 15.1 -41.64 174.25
2020-07-21T10:43:19Z automatic 3.3 15.1 -41.64 174.25
2020-07-21T10:43:18Z automatic 3.3 15.1 -41.64 174.25
2020-07-21T10:43:18Z automatic 3.3 15.1 -41.64 174.25
2020-07-21T10:43:17Z automatic 3.4 15.1 -41.64 174.25
2020-07-21T10:43:16Z automatic 3.4 15.1 -41.64 174.25
2020-07-21T10:43:16Z automatic 3.3 15.1 -41.64 174.25
2020-07-21T10:43:13Z automatic 3.4 15.1 -41.64 174.25
2020-07-21T10:43:13Z automatic 3.4 15.1 -41.64 174.25
2020-07-21T10:43:09Z automatic 3.3 15.1 -41.64 174.25
2020-07-21T10:43:05Z automatic 3.3 15.1 -41.64 174.25