Magnitude 2.8, Mon Jul 5 2021 11:48 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


0.01.02.03.0Magnitude0123Time 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


0102030Depth (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
2021-07-28T03:05:50Z best 2.8 12.0 -40.01 175.38
2021-07-27T23:25:39Z best 2.8 21.6 -40.03 175.37
2021-07-04T23:51:39Z best 2.8 25.8 -40.04 175.36
2021-07-04T23:50:20Z preliminary 2.7 28.9 -40.04 175.37
2021-07-04T23:50:09Z preliminary 2.7 28.9 -40.04 175.37
2021-07-04T23:50:07Z preliminary 2.7 28.9 -40.04 175.37
2021-07-04T23:50:04Z preliminary 2.7 28.9 -40.04 175.37
2021-07-04T23:50:02Z preliminary 2.8 28.9 -40.04 175.37
2021-07-04T23:49:55Z preliminary 2.7 28.9 -40.04 175.37
2021-07-04T23:49:52Z preliminary 2.5 28.9 -40.04 175.37
2021-07-04T23:49:39Z preliminary 2.5 28.9 -40.04 175.37