Magnitude 4.0, Mon Jul 28 2025 2:00 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


0.01.02.03.04.05.0Magnitude01234567891011Time 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


0100200Depth (km)01234567891011Time 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
2025-07-27T14:12:18Z best 4.0 200.8 -36.70 177.19
2025-07-27T14:03:09Z preliminary 3.9 200.7 -36.64 177.22
2025-07-27T14:03:07Z automatic 3.5 164.0 -37.37 176.73
2025-07-27T14:03:06Z automatic 3.0 164.0 -37.37 176.73
2025-07-27T14:03:06Z automatic 3.0 164.0 -37.37 176.73
2025-07-27T14:03:05Z automatic 3.0 164.0 -37.37 176.73
2025-07-27T14:03:04Z automatic 3.0 164.0 -37.37 176.73
2025-07-27T14:03:04Z automatic 3.0 164.0 -37.37 176.73
2025-07-27T14:03:03Z automatic 2.9 164.0 -37.37 176.73
2025-07-27T14:03:03Z automatic 2.9 164.0 -37.37 176.73
2025-07-27T14:03:02Z automatic 2.9 164.0 -37.37 176.73
2025-07-27T14:03:02Z automatic 2.9 164.0 -37.37 176.73
2025-07-27T14:03:02Z automatic 2.9 164.0 -37.37 176.73
2025-07-27T14:03:01Z automatic 2.9 164.0 -37.37 176.73
2025-07-27T14:03:00Z automatic 3.0 164.0 -37.37 176.73
2025-07-27T14:02:59Z automatic 3.0 164.0 -37.37 176.73
2025-07-27T14:02:58Z automatic 3.1 164.0 -37.37 176.73
2025-07-27T14:02:57Z automatic 3.1 149.1 -37.29 176.78
2025-07-27T14:02:48Z automatic 3.1 149.1 -37.29 176.78
2025-07-27T14:02:47Z automatic 3.1 149.1 -37.29 176.78
2025-07-27T14:02:46Z automatic 3.0 149.1 -37.29 176.78
2025-07-27T14:02:46Z automatic 3.0 149.1 -37.29 176.78
2025-07-27T14:02:44Z automatic 3.0 149.1 -37.29 176.78
2025-07-27T14:02:43Z automatic 3.0 149.1 -37.29 176.78
2025-07-27T14:02:40Z automatic 2.9 149.1 -37.29 176.78
2025-07-27T14:02:39Z automatic 2.9 149.1 -37.29 176.78
2025-07-27T14:02:38Z automatic 3.0 149.1 -37.29 176.78
2025-07-27T14:02:37Z automatic 3.0 149.1 -37.29 176.78
2025-07-27T14:02:37Z automatic 2.9 149.1 -37.29 176.78
2025-07-27T14:02:36Z automatic 2.9 149.1 -37.29 176.78
2025-07-27T14:02:36Z automatic 2.8 149.1 -37.29 176.78
2025-07-27T14:02:35Z automatic 2.8 149.1 -37.29 176.78
2025-07-27T14:02:34Z automatic 2.9 149.1 -37.29 176.78
2025-07-27T14:02:33Z automatic 2.9 149.1 -37.29 176.78
2025-07-27T14:02:32Z automatic 2.6 149.1 -37.29 176.78