Magnitude 4.5, Wed May 17 2023 8:39 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


0.01.02.03.04.05.0Magnitude0123Time since earthquake (weeks)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


010203040Depth (km)0123Time since earthquake (weeks)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
2023-06-07T21:38:46Z best 4.5 5.0 -42.59 171.82
2023-05-16T20:52:32Z best 4.6 5.0 -42.59 171.82
2023-05-16T20:41:10Z preliminary 4.3 12.0 -42.59 171.75
2023-05-16T20:41:10Z automatic 4.2 35.5 -42.63 171.83
2023-05-16T20:41:09Z automatic 4.2 35.5 -42.63 171.83
2023-05-16T20:41:08Z automatic 4.2 35.5 -42.63 171.83
2023-05-16T20:41:08Z automatic 4.2 35.5 -42.63 171.83
2023-05-16T20:41:02Z automatic 4.2 35.5 -42.63 171.83
2023-05-16T20:41:01Z automatic 4.2 35.5 -42.63 171.83
2023-05-16T20:41:00Z automatic 4.2 26.6 -42.61 171.76
2023-05-16T20:41:00Z automatic 4.3 26.6 -42.61 171.76
2023-05-16T20:41:00Z automatic 4.3 26.6 -42.61 171.76
2023-05-16T20:40:56Z automatic 4.3 26.6 -42.61 171.76
2023-05-16T20:40:56Z automatic 4.3 26.6 -42.61 171.76
2023-05-16T20:40:47Z automatic 4.3 26.6 -42.61 171.76
2023-05-16T20:40:46Z automatic 4.3 26.6 -42.61 171.76
2023-05-16T20:40:45Z automatic 4.4 26.6 -42.61 171.76
2023-05-16T20:40:44Z automatic 4.4 26.6 -42.61 171.76
2023-05-16T20:40:44Z automatic 4.4 26.6 -42.61 171.76
2023-05-16T20:40:42Z automatic 4.4 26.6 -42.61 171.76
2023-05-16T20:40:42Z automatic 4.4 26.6 -42.61 171.76
2023-05-16T20:40:41Z automatic 4.3 26.6 -42.61 171.76
2023-05-16T20:40:40Z automatic 4.3 26.6 -42.61 171.76
2023-05-16T20:40:39Z automatic 4.2 26.6 -42.61 171.76
2023-05-16T20:40:34Z automatic 4.2 26.6 -42.61 171.76
2023-05-16T20:40:18Z automatic 3.9 26.6 -42.61 171.76
2023-05-16T20:40:08Z automatic 3.8 22.3 -42.60 171.72