Magnitude 2.5, Thu Jul 22 2021 2:44 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


0.01.02.03.0Magnitude012345Time 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


0100Depth (km)012345Time 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
2021-07-21T14:50:01Z best 2.5 98.3 -37.28 177.65
2021-07-21T14:46:54Z preliminary 2.5 68.2 -37.12 177.47
2021-07-21T14:46:48Z preliminary 2.5 68.2 -37.12 177.47
2021-07-21T14:46:45Z preliminary 2.5 68.2 -37.12 177.47
2021-07-21T14:46:32Z preliminary 2.6 68.2 -37.12 177.47
2021-07-21T14:46:29Z preliminary 2.5 68.2 -37.12 177.47
2021-07-21T14:46:24Z preliminary 2.4 68.2 -37.12 177.47
2021-07-21T14:46:24Z preliminary 2.5 68.2 -37.12 177.47