Magnitude 4.5, Mon Apr 21 2025 9:28 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


0.01.02.03.04.05.0Magnitude02468101214161820222426283032343638Time 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)02468101214161820222426283032343638Time 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
2025-04-21T10:07:05Z best 4.5 615.2 -17.58 -178.17
2025-04-21T09:34:30Z automatic 2.6 88.7 -40.82 173.67
2025-04-21T09:34:17Z automatic 1.9 88.7 -40.82 173.67
2025-04-21T09:34:05Z automatic 2.7 96.1 -36.47 177.11
2025-04-21T09:34:04Z automatic 2.8 96.1 -36.47 177.11
2025-04-21T09:34:03Z automatic 2.7 96.1 -36.47 177.11
2025-04-21T09:33:57Z automatic 2.4 96.1 -36.47 177.11
2025-04-21T09:33:51Z automatic 2.5 96.1 -36.47 177.11
2025-04-21T09:33:42Z automatic 2.8 96.1 -36.47 177.11