Magnitude 2.2, Tue Jul 20 2021 12:40 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


0.01.02.03.04.0Magnitude01234Time 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


012345678910Depth (km)01234Time 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
2021-07-20T00:45:00Z best 2.2 3.7 -38.65 176.04
2021-07-20T00:41:26Z preliminary 2.5 5.5 -38.66 176.05
2021-07-20T00:41:26Z automatic 2.5 7.9 -38.64 176.06
2021-07-20T00:41:22Z automatic 2.5 7.9 -38.64 176.06
2021-07-20T00:41:20Z automatic 2.6 7.9 -38.64 176.06
2021-07-20T00:41:18Z automatic 2.6 7.9 -38.64 176.06
2021-07-20T00:41:15Z automatic 2.7 7.9 -38.64 176.06
2021-07-20T00:41:14Z automatic 2.7 7.9 -38.64 176.06
2021-07-20T00:41:10Z automatic 2.9 7.9 -38.64 176.06
2021-07-20T00:41:10Z automatic 3.1 7.9 -38.64 176.06
2021-07-20T00:41:03Z automatic 3.2 7.9 -38.64 176.06
2021-07-20T00:40:59Z automatic 3.3 7.9 -38.64 176.06
2021-07-20T00:40:58Z automatic 3.5 7.9 -38.64 176.06