Magnitude 1.0, Tue Apr 22 2025 10:43 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


0.01.02.0Magnitude01234Time since earthquake (hours)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


01020Depth (km)01234Time since earthquake (hours)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
2025-04-22T15:42:21Z best 1.0 17.6 -40.18 176.34
2025-04-22T10:45:06Z preliminary 1.2 17.7 -40.17 176.34
2025-04-22T10:44:20Z preliminary 1.0 17.7 -40.17 176.34
2025-04-22T10:44:17Z preliminary 0.9 17.7 -40.17 176.34
2025-04-22T10:44:10Z automatic 0.9 18.5 -40.18 176.35
2025-04-22T10:44:08Z automatic 0.9 18.5 -40.18 176.35
2025-04-22T10:44:04Z automatic 0.9 18.5 -40.18 176.35
2025-04-22T10:43:56Z automatic 0.9 18.7 -40.18 176.34
2025-04-22T10:43:55Z automatic 0.8 18.7 -40.18 176.34
2025-04-22T10:43:51Z automatic 0.7 18.7 -40.18 176.34
2025-04-22T10:43:48Z automatic 0.8 18.7 -40.18 176.34