Magnitude 4.0, Sun May 4 2025 12:00 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


0.01.02.03.04.05.0Magnitude012Time 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)012Time 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
2025-05-20T01:29:56Z best 4.0 33.0 -32.33 -177.60
2025-05-04T01:29:16Z best 4.2 33.0 -32.18 -178.04
2025-05-04T00:04:33Z preliminary 4.0 130.7 -31.95 -178.48
2025-05-04T00:03:54Z automatic 2.7 39.4 -37.65 178.13
2025-05-04T00:03:47Z automatic 2.5 39.4 -37.65 178.13
2025-05-04T00:03:39Z automatic 2.4 39.4 -37.65 178.13
2025-05-04T00:03:32Z automatic 2.3 39.4 -37.65 178.13
2025-05-04T00:03:31Z automatic 2.3 39.4 -37.65 178.13
2025-05-04T00:03:23Z automatic 2.2 39.4 -37.65 178.13
2025-05-04T00:03:21Z automatic 2.2 39.4 -37.65 178.13