Magnitude 3.8, Sun Oct 18 2020 10:26 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


0.01.02.03.04.0Magnitude0123456Time 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


0100Depth (km)0123456Time 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
2020-10-17T21:33:25Z best 3.8 131.9 -40.96 173.12
2020-10-17T21:28:42Z preliminary 3.4 128.6 -40.92 173.07
2020-10-17T21:28:32Z preliminary 3.4 128.6 -40.92 173.07
2020-10-17T21:28:24Z preliminary 3.4 128.6 -40.92 173.07
2020-10-17T21:28:19Z preliminary 3.3 128.6 -40.92 173.07
2020-10-17T21:28:16Z preliminary 3.2 128.6 -40.92 173.07
2020-10-17T21:28:10Z preliminary 3.1 128.6 -40.92 173.07
2020-10-17T21:28:10Z automatic 3.2 125.5 -40.97 173.27
2020-10-17T21:28:08Z automatic 3.2 125.5 -40.97 173.27
2020-10-17T21:28:08Z automatic 3.2 125.5 -40.97 173.27
2020-10-17T21:28:03Z automatic 3.0 125.5 -40.97 173.27
2020-10-17T21:28:02Z automatic 3.0 125.5 -40.97 173.27
2020-10-17T21:28:01Z automatic 2.9 125.5 -40.97 173.27
2020-10-17T21:27:58Z automatic 2.9 116.6 -40.96 173.26
2020-10-17T21:27:57Z automatic 2.9 116.6 -40.96 173.26
2020-10-17T21:27:57Z automatic 2.7 116.6 -40.96 173.26
2020-10-17T21:27:47Z automatic 2.5 116.6 -40.96 173.26
2020-10-17T21:27:46Z automatic 2.4 88.4 -41.01 173.19