Magnitude 2.3, Sun Oct 18 2020 4:08 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


0.01.02.03.0Magnitude012345678910111213141516171819202122Time 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


0102030Depth (km)012345678910111213141516171819202122Time 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
2020-10-18T03:30:46Z best 2.3 12.0 -39.60 173.42
2020-10-18T03:10:55Z preliminary 2.3 6.0 -39.59 173.32
2020-10-18T03:10:36Z preliminary 2.4 6.0 -39.59 173.32
2020-10-18T03:10:35Z preliminary 2.4 6.0 -39.59 173.32
2020-10-18T03:10:32Z preliminary 2.5 6.0 -39.59 173.32
2020-10-18T03:10:28Z preliminary 2.3 6.0 -39.59 173.32
2020-10-18T03:10:25Z preliminary 2.3 6.0 -39.59 173.32
2020-10-18T03:10:25Z automatic 2.3 29.4 -39.55 173.41
2020-10-18T03:10:07Z automatic 2.3 29.4 -39.55 173.41
2020-10-18T03:10:02Z automatic 2.3 29.4 -39.55 173.41