Magnitude 1.9, Mon Aug 18 2025 4:14 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


0.01.02.03.0Magnitude0123Time 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


010Depth (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
2025-08-18T04:18:29Z best 1.9 5.0 -42.98 171.76
2025-08-18T04:18:29Z automatic 1.9 12.0 -42.99 171.78
2025-08-18T04:16:46Z automatic 2.1 12.0 -42.99 171.78
2025-08-18T04:16:29Z automatic 2.1 12.0 -42.99 171.78
2025-08-18T04:16:28Z automatic 2.1 12.0 -42.99 171.78
2025-08-18T04:16:27Z automatic 2.0 12.0 -42.99 171.78
2025-08-18T04:16:27Z automatic 2.0 12.0 -42.99 171.78
2025-08-18T04:16:13Z automatic 2.1 12.0 -42.99 171.78