Magnitude 1.8, Thu May 22 2025 9:31 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


0.01.02.0Magnitude012Time 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


010203040Depth (km)012Time 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
2025-05-22T00:30:05Z best 1.8 31.5 -40.40 175.78
2025-05-21T21:34:46Z preliminary 1.8 31.6 -40.40 175.81
2025-05-21T21:33:31Z automatic 1.8 33.4 -40.36 175.74
2025-05-21T21:33:22Z automatic 1.8 33.4 -40.36 175.74
2025-05-21T21:33:07Z automatic 1.8 33.4 -40.36 175.74
2025-05-21T21:33:06Z automatic 1.8 33.4 -40.36 175.74
2025-05-21T21:32:59Z automatic 1.7 33.4 -40.36 175.74