Magnitude 1.8, Wed Aug 13 2025 4:46 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


0.01.02.0Magnitude0123Time 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


010203040Depth (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
2025-08-12T16:50:29Z best 1.8 35.0 -37.84 178.36
2025-08-12T16:50:29Z automatic 1.8 35.2 -37.90 178.32
2025-08-12T16:49:08Z automatic 1.8 35.2 -37.90 178.32
2025-08-12T16:48:53Z automatic 1.7 35.2 -37.90 178.32
2025-08-12T16:48:46Z automatic 1.6 35.2 -37.90 178.32
2025-08-12T16:48:11Z automatic 1.5 35.2 -37.90 178.32
2025-08-12T16:48:06Z automatic 1.4 35.2 -37.90 178.32
2025-08-12T16:47:47Z automatic 1.3 35.2 -37.90 178.32
2025-08-12T16:47:46Z automatic 1.4 35.2 -37.90 178.32