Magnitude 2.8, Thu May 18 2023 3:24 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


010Depth (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
2023-06-07T23:11:46Z best 2.8 5.0 -43.18 172.03
2023-05-17T17:33:21Z best 2.8 7.9 -43.20 172.03
2023-05-17T15:25:47Z preliminary 2.8 9.1 -43.21 172.04
2023-05-17T15:25:40Z preliminary 2.8 9.1 -43.21 172.04
2023-05-17T15:25:36Z preliminary 2.8 9.1 -43.21 172.04
2023-05-17T15:25:32Z preliminary 2.8 9.1 -43.21 172.04
2023-05-17T15:25:32Z automatic 2.7 15.8 -43.24 172.03
2023-05-17T15:25:31Z automatic 2.7 15.8 -43.24 172.03
2023-05-17T15:25:30Z automatic 2.7 15.8 -43.24 172.03
2023-05-17T15:25:23Z automatic 2.7 15.8 -43.24 172.03
2023-05-17T15:25:20Z automatic 2.7 15.8 -43.24 172.03
2023-05-17T15:25:19Z automatic 2.8 15.8 -43.21 172.02
2023-05-17T15:25:00Z automatic 2.4 15.8 -43.21 172.02