Magnitude 3.5, Sun Apr 20 2025 12:53 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


0.01.02.03.04.05.0Magnitude01234567891011Time 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


0100Depth (km)01234567891011Time 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
2025-04-20T01:05:41Z best 3.5 149.9 -34.19 -179.03
2025-04-20T00:57:27Z preliminary 4.1 100.0 -34.55 -178.33
2025-04-20T00:57:27Z automatic 2.2 30.1 -37.77 178.25
2025-04-20T00:57:27Z automatic 2.2 30.1 -37.77 178.25
2025-04-20T00:57:19Z automatic 2.4 30.1 -37.77 178.25
2025-04-20T00:57:14Z automatic 2.4 30.1 -37.77 178.25
2025-04-20T00:57:12Z automatic 2.3 30.1 -37.77 178.25
2025-04-20T00:57:10Z automatic 2.2 30.1 -37.77 178.25
2025-04-20T00:57:10Z automatic 2.2 30.1 -37.77 178.25
2025-04-20T00:56:57Z automatic 2.1 30.1 -37.77 178.25
2025-04-20T00:56:56Z automatic 2.1 30.1 -37.77 178.25
2025-04-20T00:56:53Z automatic 2.0 30.1 -37.77 178.25
2025-04-20T00:56:53Z automatic 2.0 30.1 -37.77 178.25
2025-04-20T00:56:51Z automatic 1.8 30.1 -37.77 178.25
2025-04-20T00:56:30Z automatic 1.8 30.1 -37.77 178.25
2025-04-20T00:56:30Z automatic 1.8 30.1 -37.77 178.25
2025-04-20T00:56:21Z automatic 1.6 30.1 -37.77 178.25
2025-04-20T00:56:13Z automatic 1.6 30.1 -37.77 178.25
2025-04-20T00:56:12Z automatic 1.6 28.2 -37.76 178.24
2025-04-20T00:56:01Z automatic 1.3 28.2 -37.76 178.24
2025-04-20T00:55:47Z automatic 0.8 28.2 -37.76 178.24