Magnitude 3.1, Tue Oct 19 2021 6:36 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


0.01.02.03.04.0Magnitude0123Time 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


02040Depth (km)0123Time 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
2021-10-18T17:39:54Z best 3.1 33.6 -39.72 176.79
2021-10-18T17:37:38Z preliminary 3.3 32.4 -39.73 176.78
2021-10-18T17:37:18Z preliminary 3.3 32.4 -39.73 176.78
2021-10-18T17:37:13Z preliminary 3.3 32.4 -39.73 176.78
2021-10-18T17:37:12Z preliminary 3.4 32.4 -39.73 176.78
2021-10-18T17:37:09Z preliminary 3.3 32.4 -39.73 176.78
2021-10-18T17:37:08Z preliminary 3.3 32.4 -39.73 176.78
2021-10-18T17:37:08Z automatic 3.2 43.0 -39.77 176.89
2021-10-18T17:37:06Z automatic 3.2 43.0 -39.77 176.89
2021-10-18T17:37:05Z automatic 3.2 43.0 -39.77 176.89
2021-10-18T17:37:05Z automatic 3.3 43.0 -39.77 176.89
2021-10-18T17:37:04Z automatic 3.3 43.0 -39.77 176.89
2021-10-18T17:37:03Z automatic 3.3 43.0 -39.77 176.89
2021-10-18T17:37:02Z automatic 3.0 43.0 -39.77 176.89
2021-10-18T17:37:01Z automatic 3.0 39.0 -39.75 176.86
2021-10-18T17:36:59Z automatic 3.0 39.0 -39.75 176.86
2021-10-18T17:36:57Z automatic 3.0 39.0 -39.75 176.86