Magnitude 1.6, Tue Jul 22 2025 1:36 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


0.01.02.0Magnitude0123456789Time 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


0204060Depth (km)0123456789Time 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
2025-07-21T13:46:21Z best 1.6 49.6 -40.83 174.08
2025-07-21T13:40:34Z preliminary 1.7 46.8 -40.82 174.05
2025-07-21T13:39:01Z automatic 1.9 61.7 -40.80 174.04
2025-07-21T13:38:19Z automatic 1.6 61.7 -40.80 174.04
2025-07-21T13:38:03Z automatic 1.6 61.7 -40.80 174.04
2025-07-21T13:38:02Z automatic 1.6 61.7 -40.80 174.04
2025-07-21T13:38:02Z automatic 1.6 61.7 -40.80 174.04
2025-07-21T13:38:00Z automatic 1.5 61.7 -40.80 174.04
2025-07-21T13:37:57Z automatic 1.5 61.7 -40.80 174.04
2025-07-21T13:37:56Z automatic 1.5 61.7 -40.80 174.04
2025-07-21T13:37:52Z automatic 1.5 61.7 -40.80 174.04
2025-07-21T13:37:51Z automatic 1.5 59.9 -40.82 174.04
2025-07-21T13:37:41Z automatic 1.4 59.9 -40.82 174.04