Magnitude 1.8, Thu May 22 2025 1:54 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


0.01.02.0Magnitude012345678910111213141516171819202122232425Time 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


01020Depth (km)012345678910111213141516171819202122232425Time 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
2025-05-21T14:19:50Z best 1.8 18.7 -39.54 176.97
2025-05-21T13:56:55Z preliminary 1.7 19.7 -39.54 176.98
2025-05-21T13:55:53Z automatic 1.9 16.9 -39.53 176.98
2025-05-21T13:55:52Z automatic 1.9 16.9 -39.53 176.98
2025-05-21T13:55:43Z automatic 2.0 16.9 -39.53 176.98
2025-05-21T13:55:42Z automatic 1.9 16.9 -39.53 176.98
2025-05-21T13:55:39Z automatic 1.9 16.9 -39.53 176.98
2025-05-21T13:55:38Z automatic 2.0 16.9 -39.53 176.98
2025-05-21T13:55:21Z automatic 1.9 16.9 -39.53 176.98
2025-05-21T13:55:20Z automatic 1.9 16.9 -39.53 176.98
2025-05-21T13:55:20Z automatic 1.9 16.9 -39.53 176.98
2025-05-21T13:55:17Z automatic 1.9 16.9 -39.53 176.98
2025-05-21T13:55:17Z automatic 1.9 16.9 -39.53 176.98
2025-05-21T13:55:16Z automatic 1.8 16.9 -39.53 176.98
2025-05-21T13:55:13Z automatic 1.8 16.9 -39.53 176.98
2025-05-21T13:55:11Z automatic 1.8 16.9 -39.53 176.98
2025-05-21T13:55:08Z automatic 1.8 16.9 -39.53 176.98
2025-05-21T13:55:06Z automatic 1.8 20.6 -39.54 176.96
2025-05-21T13:55:04Z automatic 2.0 20.6 -39.54 176.96
2025-05-21T13:55:03Z automatic 1.9 20.6 -39.54 176.96
2025-05-21T13:54:55Z automatic 1.8 20.6 -39.54 176.96