Magnitude 1.9, Sun Mar 21 2021 5:47 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


0.01.02.03.0Magnitude012345678910Time 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)012345678910Time 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
2021-03-20T16:57:34Z best 1.9 9.1 -42.80 172.85
2021-03-20T16:51:11Z preliminary 2.2 20.5 -42.79 172.85
2021-03-20T16:51:11Z preliminary 2.2 20.5 -42.79 172.85
2021-03-20T16:49:20Z automatic 2.2 20.5 -42.79 172.85
2021-03-20T16:49:14Z automatic 2.1 20.5 -42.79 172.85
2021-03-20T16:49:11Z automatic 2.1 20.5 -42.79 172.85
2021-03-20T16:49:10Z automatic 2.1 20.5 -42.79 172.85
2021-03-20T16:49:03Z automatic 2.1 20.5 -42.79 172.85
2021-03-20T16:49:02Z automatic 2.1 20.5 -42.79 172.85
2021-03-20T16:48:58Z automatic 2.1 20.5 -42.79 172.85
2021-03-20T16:48:47Z automatic 2.1 20.5 -42.79 172.85
2021-03-20T16:48:36Z automatic 2.1 20.5 -42.79 172.85
2021-03-20T16:48:33Z automatic 2.1 20.5 -42.79 172.85
2021-03-20T16:48:31Z automatic 2.1 20.5 -42.79 172.85
2021-03-20T16:48:25Z automatic 2.1 20.5 -42.79 172.85
2021-03-20T16:48:14Z automatic 2.1 19.5 -42.79 172.85
2021-03-20T16:48:02Z automatic 2.1 19.5 -42.79 172.85
2021-03-20T16:47:56Z automatic 1.9 19.5 -42.79 172.85