Magnitude 3.9, Sat Aug 2 2025 4:03 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


0.01.02.03.04.0Magnitude012Time since earthquake (minutes)Magnitude Historya

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


0100Depth (km)012Time since earthquake (minutes)Depth Historya

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
2025-08-01T16:06:16Z automatic 3.9 121.0 -34.49 177.44
2025-08-01T16:06:14Z automatic 4.0 121.0 -34.49 177.44
2025-08-01T16:06:10Z automatic 3.9 121.0 -34.49 177.44
2025-08-01T16:06:09Z automatic 3.8 121.0 -34.49 177.44
2025-08-01T16:06:07Z automatic 3.8 121.0 -34.49 177.44
2025-08-01T16:06:06Z automatic 3.8 121.0 -34.49 177.44
2025-08-01T16:06:05Z automatic 3.8 121.0 -34.49 177.44