Magnitude 4.6, Tue May 20 2025 7:38 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


0.01.02.03.04.05.0Magnitude01234567891011121314151617Time 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


010203040Depth (km)01234567891011121314151617Time 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
2025-05-20T07:56:07Z best 4.6 33.0 -33.30 -177.56
2025-05-20T07:49:48Z preliminary 4.8 33.0 -32.65 -176.71
2025-05-20T07:44:25Z automatic 2.0 5.2 -40.16 176.45
2025-05-20T07:44:18Z automatic 2.0 5.2 -40.16 176.45
2025-05-20T07:44:14Z automatic 1.9 5.2 -40.16 176.45
2025-05-20T07:43:57Z automatic 1.8 5.2 -40.16 176.45
2025-05-20T07:43:56Z automatic 1.7 5.2 -40.16 176.45
2025-05-20T07:43:28Z automatic 1.5 5.2 -40.16 176.45
2025-05-20T07:43:15Z automatic 1.4 5.2 -40.16 176.45
2025-05-20T07:43:10Z automatic 1.3 5.2 -40.16 176.45
2025-05-20T07:43:01Z automatic 1.3 5.2 -40.16 176.45
2025-05-20T07:43:00Z automatic 1.2 5.2 -40.16 176.45