Magnitude 1.7, Wed May 21 2025 7:41 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


0.01.02.0Magnitude012345Time 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


0102030Depth (km)012345Time 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
2025-05-21T01:12:56Z best 1.7 25.7 -39.93 176.54
2025-05-20T19:43:04Z preliminary 1.8 22.2 -39.92 176.55
2025-05-20T19:43:03Z automatic 1.8 25.0 -39.94 176.53
2025-05-20T19:42:56Z automatic 1.7 25.0 -39.94 176.53
2025-05-20T19:42:45Z automatic 1.7 25.0 -39.94 176.53
2025-05-20T19:42:35Z automatic 1.7 25.0 -39.94 176.53
2025-05-20T19:42:33Z automatic 1.7 25.0 -39.94 176.53
2025-05-20T19:42:30Z automatic 1.7 25.0 -39.94 176.53
2025-05-20T19:42:29Z automatic 1.7 25.0 -39.94 176.53
2025-05-20T19:42:29Z automatic 1.5 25.0 -39.94 176.53
2025-05-20T19:42:28Z automatic 1.5 25.0 -39.94 176.53
2025-05-20T19:42:26Z automatic 1.6 26.8 -39.92 176.54
2025-05-20T19:42:22Z automatic 1.6 26.8 -39.92 176.54
2025-05-20T19:42:17Z automatic 1.3 26.8 -39.92 176.54
2025-05-20T19:42:17Z automatic 1.4 26.8 -39.92 176.54