Magnitude 3.9, Tue Jul 21 2020 10:40 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


0.01.02.03.04.0Magnitude01234567891011121314151617Time 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)01234567891011121314151617Time 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
2020-07-21T10:57:34Z best 3.9 8.7 -41.63 174.26
2020-07-21T10:41:23Z preliminary 3.7 14.8 -41.65 174.27
2020-07-21T10:41:21Z preliminary 3.7 14.8 -41.65 174.27
2020-07-21T10:41:20Z preliminary 3.6 14.8 -41.65 174.27
2020-07-21T10:41:18Z preliminary 3.6 14.8 -41.65 174.27
2020-07-21T10:41:16Z preliminary 3.6 14.8 -41.65 174.27
2020-07-21T10:41:07Z preliminary 3.5 14.8 -41.65 174.27
2020-07-21T10:41:01Z preliminary 3.4 14.8 -41.65 174.27
2020-07-21T10:40:55Z preliminary 3.0 14.8 -41.65 174.27
2020-07-21T10:40:51Z preliminary 3.0 14.8 -41.65 174.27
2020-07-21T10:40:51Z preliminary 3.0 14.8 -41.65 174.27
2020-07-21T10:40:44Z automatic 3.0 14.8 -41.65 174.27