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Earthquake · Reviewed by USGS

M4.5 earthquake South Island of New Zealand

A magnitude 4.5 earthquake struck South Island of New Zealand at Apr 20, 2023, 19:37 UTC, at a depth of 17 km. The epicentre was 13 km (8 mi) ENE of Christchurch. 17 people reported feeling it to USGS.

Details

Magnitude4.5 mb
TimeApr 20, 2023, 19:37 UTC
Depth17.2 km
Coordinates-43.500, 172.786
Felt reports17
Tsunami flagNone
SourceUSGS event page
Fig. 1The epicentre and other earthquakes within 100 km, since the day before

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
MagnitudeLocationDistanceDepthTime
3.634 km SSW of Leeston, New Zealand78 km / 49 midepth 10 km
2.65 km SE of Kennedys Bush, New Zealand20 km / 12 midepth 10 km
3.00 km N of Mairehau, New Zealand12 km / 7 midepth 15 km
4.439 km NW of Amberley, New Zealand75 km / 47 midepth 10 km
3.03 km ENE of Southshore, New Zealand5 km / 3 midepth 17 km
3.214 km ENE of New Brighton, New Zealand10 km / 6 midepth 19 km
4.234 km NNE of Amberley, New Zealand71 km / 44 midepth 20 km
2.94 km E of Clifton, New Zealand7 km / 4 midepth 16 km
3.2South Island of New Zealand29 km / 18 midepth 17 km
3.34 km E of Waimairi Beach, New Zealand2 km / 1 midepth 17 km

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.