Magnitude 1.8, Sat Aug 16 2025 5:48 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


0.01.02.0Magnitude01234Time 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


0102030Depth (km)01234Time 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
2025-08-15T17:53:39Z best 1.8 22.5 -39.40 177.57
2025-08-15T17:50:40Z automatic 1.8 25.0 -39.34 177.51
2025-08-15T17:50:40Z automatic 1.8 25.0 -39.34 177.51
2025-08-15T17:50:24Z automatic 1.8 25.0 -39.34 177.51
2025-08-15T17:50:16Z automatic 1.8 25.0 -39.34 177.51
2025-08-15T17:50:15Z automatic 1.8 25.0 -39.34 177.51
2025-08-15T17:50:15Z automatic 1.8 25.0 -39.34 177.51
2025-08-15T17:50:10Z automatic 1.8 25.0 -39.34 177.51
2025-08-15T17:50:09Z automatic 1.8 25.0 -39.34 177.51
2025-08-15T17:50:09Z automatic 1.8 25.0 -39.34 177.51
2025-08-15T17:50:07Z automatic 1.9 25.0 -39.34 177.51
2025-08-15T17:50:06Z automatic 1.9 25.0 -39.34 177.51
2025-08-15T17:50:05Z automatic 1.8 25.0 -39.34 177.51