Magnitude 4.0, Fri Jul 18 2025 4:38 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


0.01.02.03.04.05.06.0Magnitude01234567891011121314151617181920212223Time since earthquake (minutes)Magnitude Historyp

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


0100200Depth (km)01234567891011121314151617181920212223Time since earthquake (minutes)Depth Historyp

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
2025-07-17T17:02:02Z preliminary 4.0 33.0 -33.22 -177.13
2025-07-17T16:52:13Z preliminary 3.9 212.0 -32.84 -177.66
2025-07-17T16:50:20Z preliminary 5.0 212.0 -32.84 -177.66
2025-07-17T16:50:19Z preliminary 5.0 212.0 -32.84 -177.66
2025-07-17T16:44:29Z automatic 1.9 5.2 -40.31 176.31
2025-07-17T16:44:27Z automatic 1.9 5.2 -40.31 176.31
2025-07-17T16:44:25Z automatic 1.8 5.2 -40.31 176.31
2025-07-17T16:44:16Z automatic 1.9 5.2 -40.31 176.31
2025-07-17T16:44:08Z automatic 1.9 5.2 -40.31 176.31
2025-07-17T16:43:51Z automatic 1.8 5.2 -40.31 176.31
2025-07-17T16:43:39Z automatic 1.6 5.2 -40.31 176.31