Magnitude 2.9, Wed Jul 7 2021 4:48 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


0.01.02.03.0Magnitude0123Time 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


0100Depth (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
2021-07-28T23:59:04Z best 2.9 155.1 -39.89 173.96
2021-07-28T23:58:34Z best 2.9 155.1 -39.89 173.96
2021-07-07T04:52:53Z best 2.9 154.0 -39.90 173.97
2021-07-07T04:50:40Z preliminary 2.8 165.6 -39.79 173.88
2021-07-07T04:50:39Z preliminary 2.8 165.6 -39.79 173.88
2021-07-07T04:50:35Z preliminary 2.7 165.6 -39.79 173.88
2021-07-07T04:50:34Z preliminary 2.6 165.6 -39.79 173.88
2021-07-07T04:50:31Z preliminary 2.5 165.6 -39.79 173.88
2021-07-07T04:49:55Z preliminary 2.4 165.6 -39.79 173.88