Magnitude 1.8, Thu Sep 18 2025 7:28 PM


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


01020Depth (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
2025-09-18T07:32:00Z best 1.8 20.9 -39.81 176.70
2025-09-18T07:29:38Z automatic 1.9 19.2 -39.81 176.71
2025-09-18T07:29:34Z automatic 1.9 19.2 -39.81 176.71
2025-09-18T07:29:20Z automatic 1.9 19.2 -39.81 176.71
2025-09-18T07:29:15Z automatic 1.9 19.2 -39.81 176.71
2025-09-18T07:29:14Z automatic 1.9 19.2 -39.81 176.71
2025-09-18T07:29:06Z automatic 1.9 19.2 -39.81 176.71
2025-09-18T07:29:04Z automatic 1.9 20.3 -39.81 176.71
2025-09-18T07:29:04Z automatic 1.9 20.3 -39.81 176.71
2025-09-18T07:28:59Z automatic 1.8 20.3 -39.81 176.71
2025-09-18T07:28:58Z automatic 2.0 20.3 -39.81 176.71
2025-09-18T07:28:52Z automatic 1.8 20.3 -39.81 176.71