Magnitude 3.9, Sun Oct 18 2020 3:20 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


0.01.02.03.04.05.0Magnitude0123Time 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


0100200300Depth (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
2020-11-12T04:19:17Z best 3.9 287.4 -33.56 179.20
2020-10-18T02:29:16Z best 4.2 300.0 -33.59 179.18
2020-10-18T02:23:28Z preliminary 4.2 314.0 -33.74 179.27
2020-10-18T02:23:26Z preliminary 4.2 314.0 -33.74 179.27
2020-10-18T02:23:23Z preliminary 4.1 314.0 -33.74 179.27
2020-10-18T02:23:20Z preliminary 4.2 314.0 -33.74 179.27
2020-10-18T02:23:14Z preliminary 4.2 314.0 -33.74 179.27
2020-10-18T02:23:13Z preliminary 4.1 314.0 -33.74 179.27
2020-10-18T02:23:12Z preliminary 4.1 314.0 -33.74 179.27
2020-10-18T02:23:09Z preliminary 4.2 314.0 -33.74 179.27
2020-10-18T02:23:02Z preliminary 4.1 314.0 -33.74 179.27
2020-10-18T02:23:01Z preliminary 4.1 314.0 -33.74 179.27
2020-10-18T02:22:58Z preliminary 3.9 314.0 -33.74 179.27