Magnitude 1.9, Sat May 1 2021 9:04 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


0.01.02.03.0Magnitude01234567Time 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


01020Depth (km)01234567Time 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
2021-04-30T21:11:39Z best 1.9 20.1 -39.43 174.72
2021-04-30T21:07:34Z preliminary 2.0 5.0 -39.44 174.71
2021-04-30T21:07:33Z automatic 0.5 5.2 -39.16 175.64
2021-04-30T21:06:00Z automatic 0.5 5.2 -39.16 175.64
2021-04-30T21:05:56Z automatic 0.4 5.2 -39.16 175.64