Magnitude 1.8, Mon Aug 18 2025 2:01 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
2025-08-17T14:05:03Z best 1.8 36.7 -40.12 176.57
2025-08-17T14:04:06Z automatic 1.9 37.1 -40.15 176.58
2025-08-17T14:03:53Z automatic 1.8 37.1 -40.15 176.58
2025-08-17T14:03:52Z automatic 1.8 37.1 -40.15 176.58
2025-08-17T14:03:36Z automatic 1.8 37.1 -40.15 176.58
2025-08-17T14:03:30Z automatic 1.6 37.1 -40.15 176.58
2025-08-17T14:03:30Z automatic 1.6 37.1 -40.15 176.58
2025-08-17T14:02:49Z automatic 1.6 37.1 -40.15 176.58
2025-08-17T14:02:49Z automatic 1.6 36.1 -40.12 176.58
2025-08-17T14:02:48Z automatic 1.6 36.1 -40.12 176.58
2025-08-17T14:02:47Z automatic 1.6 36.1 -40.12 176.58
2025-08-17T14:02:46Z automatic 1.7 36.1 -40.12 176.58
2025-08-17T14:02:44Z automatic 1.6 36.1 -40.12 176.58
2025-08-17T14:02:39Z automatic 1.5 36.1 -40.12 176.58
2025-08-17T14:02:34Z automatic 1.6 36.1 -40.12 176.58