Magnitude 1.9, Sat May 20 2023 8:30 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


0.01.02.03.0Magnitude01234Time 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


0123456Depth (km)01234Time 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
2023-05-20T01:25:19Z best 1.9 4.7 -38.67 176.07
2023-05-19T20:32:22Z preliminary 2.0 4.9 -38.64 176.07
2023-05-19T20:32:01Z preliminary 1.8 4.9 -38.64 176.07
2023-05-19T20:31:59Z preliminary 2.1 4.9 -38.64 176.07
2023-05-19T20:31:59Z preliminary 2.1 4.9 -38.64 176.07
2023-05-19T20:31:57Z preliminary 2.5 4.9 -38.64 176.07
2023-05-19T20:31:56Z preliminary 2.7 4.9 -38.64 176.07