Magnitude 1.6, Wed May 21 2025 7:42 AM


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


0.01.02.0Magnitude01234Time 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


01020Depth (km)01234Time 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
2025-05-21T00:37:59Z best 1.6 21.9 -40.86 175.47
2025-05-20T19:44:56Z preliminary 1.4 23.1 -40.85 175.48
2025-05-20T19:44:46Z automatic 1.4 22.0 -40.89 175.49
2025-05-20T19:44:36Z automatic 1.4 22.0 -40.89 175.49
2025-05-20T19:44:36Z automatic 1.4 22.0 -40.89 175.49
2025-05-20T19:44:31Z automatic 1.4 22.0 -40.89 175.49
2025-05-20T19:44:30Z automatic 1.4 22.0 -40.89 175.49
2025-05-20T19:44:28Z automatic 1.4 22.0 -40.89 175.49
2025-05-20T19:44:27Z automatic 1.4 22.0 -40.89 175.49
2025-05-20T19:44:26Z automatic 1.4 22.0 -40.89 175.49
2025-05-20T19:44:25Z automatic 1.4 22.0 -40.89 175.49
2025-05-20T19:44:25Z automatic 1.4 22.0 -40.89 175.49
2025-05-20T19:44:24Z automatic 1.4 22.0 -40.89 175.49
2025-05-20T19:44:17Z automatic 1.5 22.0 -40.89 175.49
2025-05-20T19:44:14Z automatic 1.7 22.0 -40.89 175.49