2023-04-20 19:37:34 (M4.0) South Island of New Zealand -43.5 172.9 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.0 Earthquake - South Island of New Zealand

Preliminary Report

Magnitude	4.0
Date-Time	Universal Time (UTC): 20 Apr 2023 19:37:35 Time near the Epicenter (1): 21 Apr 2023 07:37:35 Time in your area (1): 20 Apr 2023 11:37:35
Location	43.542S 172.867E
Depth	14 km
Distances	9.6 km (6.0 mi) E of Southshore, New Zealand 16.0 km (9.9 mi) ESE of Parklands, New Zealand 18.9 km (11.7 mi) E of Christchurch, New Zealand 22.4 km (13.9 mi) E of Riccarton, New Zealand 25.6 km (15.9 mi) E of Wigram, New Zealand
Location Uncertainty	Horizontal: 2.9 km; Vertical 7.6 km
Parameters	Nph = 27; Dmin = 25.0 km; Rmss = 0.49 seconds; Gp = 128° Version =
Event ID	us 6000k5uz

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


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