Magnitude 3.1, Fri Sep 20 2019 4:31 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


0.01.02.03.04.0Magnitude012Time 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)012Time 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
2019-09-20T04:34:13Z best 3.1 6.6 -43.52 172.71
2019-09-20T04:32:49Z preliminary 3.1 10.0 -43.52 172.71
2019-09-20T04:32:46Z preliminary 3.1 10.0 -43.52 172.71
2019-09-20T04:32:44Z preliminary 3.1 10.0 -43.52 172.71
2019-09-20T04:32:37Z preliminary 3.1 10.0 -43.52 172.71
2019-09-20T04:32:34Z preliminary 3.1 10.0 -43.52 172.71
2019-09-20T04:32:27Z preliminary 3.0 10.0 -43.52 172.71
2019-09-20T04:32:23Z preliminary 3.1 10.0 -43.52 172.71
2019-09-20T04:32:19Z preliminary 3.1 10.0 -43.52 172.71
2019-09-20T04:32:11Z preliminary 2.8 10.0 -43.52 172.71