Magnitude 4.9, Wed May 21 2025 12:52 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


0.01.02.03.04.05.0Magnitude0246810121416182022242628303234Time 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


0100200300400500600700Depth (km)0246810121416182022242628303234Time 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
2025-05-20T13:28:01Z best 4.9 600.0 -23.25 -179.65
2025-05-20T13:28:01Z preliminary 4.6 600.0 -23.15 -179.60
2025-05-20T12:58:45Z preliminary 4.6 600.0 -23.15 -179.60
2025-05-20T12:58:41Z preliminary 3.9 600.0 -23.15 -179.60
2025-05-20T12:58:34Z automatic 2.0 133.3 -40.98 173.30
2025-05-20T12:58:33Z automatic 2.0 133.3 -40.98 173.30
2025-05-20T12:58:31Z automatic 1.9 133.3 -40.98 173.30
2025-05-20T12:58:30Z automatic 1.9 133.3 -40.98 173.30
2025-05-20T12:58:29Z automatic 1.9 133.3 -40.98 173.30
2025-05-20T12:58:28Z automatic 1.9 133.3 -40.98 173.30
2025-05-20T12:58:27Z automatic 2.1 133.3 -40.98 173.30
2025-05-20T12:58:26Z automatic 2.9 62.6 -36.20 177.02
2025-05-20T12:58:25Z automatic 2.1 133.3 -40.98 173.30
2025-05-20T12:57:59Z automatic 2.9 62.6 -36.20 177.02
2025-05-20T12:57:55Z automatic 2.8 62.6 -36.20 177.02
2025-05-20T12:57:54Z automatic 2.8 62.6 -36.20 177.02
2025-05-20T12:57:54Z automatic 2.7 62.6 -36.20 177.02
2025-05-20T12:57:50Z automatic 2.7 62.6 -36.20 177.02
2025-05-20T12:57:49Z automatic 3.2 62.6 -36.20 177.02