Magnitude 1.8, Thu Jul 31 2025 3:40 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


0.01.02.0Magnitude012345678910111213141516171819Time since earthquake (hours)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


0100Depth (km)012345678910111213141516171819Time since earthquake (hours)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
2025-07-31T10:49:01Z best 1.8 70.3 -38.75 176.11
2025-07-30T15:41:49Z preliminary 1.8 84.1 -38.91 176.11
2025-07-30T15:41:37Z preliminary 1.5 84.1 -38.91 176.11
2025-07-30T15:41:30Z automatic 1.1 40.3 -39.31 176.14
2025-07-30T15:41:28Z automatic 1.3 40.3 -39.31 176.14