Magnitude 1.7, Fri Aug 1 2025 1:56 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


0.01.02.0Magnitude012345678910111213141516171819202122232425262728Time 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


0102030Depth (km)012345678910111213141516171819202122232425262728Time 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
2025-07-31T14:24:47Z best 1.7 20.8 -40.98 175.57
2025-07-31T13:57:43Z preliminary 1.7 19.9 -40.98 175.58
2025-07-31T13:57:37Z automatic 1.8 25.2 -40.98 175.58
2025-07-31T13:57:31Z automatic 1.7 25.2 -40.98 175.58
2025-07-31T13:57:29Z automatic 1.7 25.2 -40.98 175.58
2025-07-31T13:57:29Z automatic 1.7 25.2 -40.98 175.58
2025-07-31T13:57:28Z automatic 1.7 25.2 -40.98 175.58
2025-07-31T13:57:27Z automatic 1.7 25.2 -40.98 175.58
2025-07-31T13:57:27Z automatic 1.7 25.2 -40.98 175.58
2025-07-31T13:57:26Z automatic 1.7 25.2 -40.98 175.58
2025-07-31T13:57:25Z automatic 1.7 25.2 -40.98 175.58
2025-07-31T13:57:24Z automatic 1.7 25.2 -40.98 175.58
2025-07-31T13:57:23Z automatic 1.7 25.2 -40.98 175.58
2025-07-31T13:57:18Z automatic 1.7 23.4 -40.98 175.58
2025-07-31T13:57:16Z automatic 1.7 23.4 -40.98 175.58
2025-07-31T13:57:15Z automatic 1.8 23.4 -40.98 175.58
2025-07-31T13:57:08Z automatic 1.6 23.4 -40.98 175.58