Magnitude 1.8, Mon Aug 18 2025 5:51 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


0.01.02.0Magnitude012Time 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)012Time 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
2025-08-18T05:53:49Z best 1.8 39.7 -39.77 176.79
2025-08-18T05:52:41Z automatic 1.9 34.3 -39.78 176.83
2025-08-18T05:52:37Z automatic 1.9 34.3 -39.78 176.83
2025-08-18T05:52:23Z automatic 1.9 34.3 -39.78 176.83
2025-08-18T05:52:18Z automatic 1.9 34.3 -39.78 176.83
2025-08-18T05:52:18Z automatic 1.9 34.3 -39.78 176.83
2025-08-18T05:52:17Z automatic 1.9 34.3 -39.78 176.83
2025-08-18T05:52:11Z automatic 1.9 34.3 -39.78 176.83
2025-08-18T05:52:10Z automatic 1.9 34.3 -39.78 176.83
2025-08-18T05:52:10Z automatic 1.8 34.3 -39.78 176.83
2025-08-18T05:52:09Z automatic 1.8 34.3 -39.78 176.83
2025-08-18T05:52:08Z automatic 1.8 34.3 -39.78 176.83
2025-08-18T05:52:07Z automatic 1.8 34.3 -39.78 176.83
2025-08-18T05:52:07Z automatic 1.8 34.3 -39.78 176.83
2025-08-18T05:52:06Z automatic 1.7 34.3 -39.78 176.83
2025-08-18T05:52:06Z automatic 1.7 34.3 -39.78 176.83
2025-08-18T05:52:06Z automatic 1.6 34.3 -39.78 176.83
2025-08-18T05:52:01Z automatic 1.6 34.3 -39.78 176.82
2025-08-18T05:52:00Z automatic 1.4 34.3 -39.78 176.82
2025-08-18T05:51:46Z automatic 1.1 34.3 -39.78 176.82