Magnitude 3.8, Sun May 18 2025 6:36 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


0.01.02.03.04.0Magnitude012345678910111213141516171819Time 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)012345678910111213141516171819Time 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
2025-05-19T01:59:02Z best 3.8 33.0 -33.59 -177.77
2025-05-18T06:53:18Z best 3.8 33.0 -33.57 -177.68
2025-05-18T06:45:47Z preliminary 3.7 33.0 -33.55 -177.70
2025-05-18T06:40:20Z automatic 2.3 30.1 -37.85 178.18
2025-05-18T06:40:04Z automatic 2.1 30.1 -37.85 178.18
2025-05-18T06:39:25Z automatic 2.0 30.1 -37.85 178.18
2025-05-18T06:39:11Z automatic 1.9 30.1 -37.85 178.18
2025-05-18T06:39:10Z automatic 1.8 30.1 -37.85 178.18
2025-05-18T06:39:07Z automatic 1.7 30.1 -37.85 178.18