Magnitude 1.8, Wed Aug 20 2025 2:31 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


0.01.02.03.0Magnitude0123Time 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


010Depth (km)0123Time 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
2025-08-19T14:35:41Z best 1.8 5.0 -43.27 171.17
2025-08-19T14:34:05Z automatic 2.4 5.2 -43.30 171.17
2025-08-19T14:33:01Z automatic 1.9 5.2 -43.30 171.17
2025-08-19T14:32:58Z automatic 1.9 5.2 -43.30 171.17
2025-08-19T14:32:58Z automatic 1.9 5.2 -43.30 171.17
2025-08-19T14:32:57Z automatic 1.7 5.2 -43.30 171.17
2025-08-19T14:32:46Z automatic 1.7 5.2 -43.30 171.17
2025-08-19T14:32:40Z automatic 1.8 10.1 -43.29 171.17