Magnitude 1.9

Wednesday October 21, 2026 - 5:33 AM, 20 km west of Blenheim

Earthquake history

The data below shows the history of magnitude, origin, depth, and locations calculated by our automated system as more data for an event becomes available. A location history like this is not available for all events. If you can't see the earthquake history below it may be stored in our earthquake catalogue on FDSN.

Magnitude History

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).

0.01.02.0Magnitude012Time since earthquake (minutes)Magnitude Historyd

Depth History

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).

010Depth (km)012Time since earthquake (minutes)Depth Historyd

Origin History Map

The point on the map corresponds to the latest location data, showing the epicentre of this earthquake.

Map of New Zealand.

Location History

The location history for this event. The location quality has the following values of automatic, preliminary (reviewed by a duty person) and best (reviewed by a duty person).

Modification Time Quality Magnitude Depth Latitude Longitude
2026-10-20T16:36:34Z deleted 1.9 10.0 -41.54 173.66
2026-10-20T16:36:32Z automatic 1.9 10.0 -41.54 173.66
2026-10-20T16:36:11Z automatic 1.9 10.0 -41.54 173.66
2026-10-20T16:36:10Z automatic 1.2 10.0 -41.54 173.66
2026-10-20T16:35:53Z automatic 1.2 10.0 -41.54 173.66
2026-10-20T16:35:51Z automatic 1.2 10.0 -41.54 173.66
2026-10-20T16:35:43Z automatic 1.2 10.0 -41.54 173.66
2026-10-20T16:35:17Z automatic 1.2 10.0 -41.54 173.66