Magnitude 1.6, Tue May 20 2025 2:01 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


0.01.02.0Magnitude024681012141618202224262830323436384042444648Time 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)024681012141618202224262830323436384042444648Time 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
2025-05-20T02:51:34Z best 1.6 23.6 -40.48 175.73
2025-05-20T02:04:20Z preliminary 1.5 23.5 -40.48 175.74
2025-05-20T02:03:51Z automatic 1.5 34.3 -40.52 175.76
2025-05-20T02:03:44Z automatic 1.5 34.3 -40.52 175.76
2025-05-20T02:03:44Z automatic 1.5 34.3 -40.52 175.76
2025-05-20T02:03:43Z automatic 1.5 34.3 -40.52 175.76
2025-05-20T02:03:41Z automatic 1.5 34.3 -40.52 175.76
2025-05-20T02:03:41Z automatic 1.5 34.3 -40.52 175.76
2025-05-20T02:03:40Z automatic 1.4 34.3 -40.52 175.76
2025-05-20T02:03:39Z automatic 1.4 34.3 -40.52 175.76
2025-05-20T02:03:39Z automatic 1.2 34.3 -40.52 175.76
2025-05-20T02:03:39Z automatic 1.2 34.3 -40.52 175.76
2025-05-20T02:03:38Z automatic 1.2 34.3 -40.52 175.76
2025-05-20T02:03:38Z automatic 1.2 34.3 -40.52 175.76
2025-05-20T02:03:37Z automatic 1.2 34.3 -40.52 175.76
2025-05-20T02:03:35Z automatic 1.3 34.3 -40.52 175.76