Magnitude 4.0, Tue May 20 2025 8:00 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


0.01.02.03.04.0Magnitude0123Time since earthquake (minutes)Magnitude Historyp

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


0102030Depth (km)0123Time since earthquake (minutes)Depth Historyp

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
2025-05-20T08:04:12Z preliminary 4.0 2.8 -33.64 -178.02
2025-05-20T08:04:06Z preliminary 4.0 2.8 -33.64 -178.02
2025-05-20T08:04:06Z automatic 1.7 32.0 -37.76 178.24
2025-05-20T08:04:06Z automatic 1.7 32.0 -37.76 178.24
2025-05-20T08:04:03Z automatic 1.6 32.0 -37.76 178.24
2025-05-20T08:04:02Z automatic 1.6 32.0 -37.76 178.24
2025-05-20T08:04:01Z automatic 1.6 32.0 -37.76 178.24
2025-05-20T08:03:52Z automatic 1.4 32.0 -37.76 178.24
2025-05-20T08:03:50Z automatic 1.4 32.0 -37.76 178.24
2025-05-20T08:03:49Z automatic 1.4 32.0 -37.76 178.24
2025-05-20T08:03:39Z automatic 1.2 32.0 -37.76 178.24
2025-05-20T08:03:33Z automatic 1.2 32.0 -37.76 178.24
2025-05-20T08:03:27Z automatic 1.2 32.0 -37.76 178.24
2025-05-20T08:03:10Z automatic 1.2 32.0 -37.76 178.24
2025-05-20T08:03:03Z automatic 1.1 32.0 -37.76 178.24
2025-05-20T08:02:57Z automatic 0.8 32.0 -37.76 178.24
2025-05-20T08:02:55Z automatic 1.1 32.0 -37.76 178.24