Magnitude 2.1, Mon Jul 19 2021 8:45 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


0.01.02.03.0Magnitude0123Time 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


010Depth (km)0123Time 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
2021-07-18T20:49:08Z best 2.1 8.3 -41.74 174.09
2021-07-18T20:46:59Z preliminary 2.0 9.9 -41.73 174.08
2021-07-18T20:46:56Z preliminary 1.9 9.9 -41.73 174.08
2021-07-18T20:46:38Z preliminary 1.8 9.9 -41.73 174.08
2021-07-18T20:46:38Z automatic 1.8 15.1 -41.74 174.12
2021-07-18T20:46:34Z automatic 1.8 15.1 -41.74 174.12
2021-07-18T20:46:31Z automatic 1.8 13.7 -41.74 174.10
2021-07-18T20:46:21Z automatic 1.7 13.7 -41.74 174.10
2021-07-18T20:46:11Z automatic 1.6 13.7 -41.74 174.10