2018-04-01 22:54:43 (M4.5) TONGA -18.9 -174.0 (90be5)

M4.5 - TONGA

Preliminary Earthquake Report

Magnitude	4.5
Date-Time	1 Apr 2018 22:54:44 UTC 2 Apr 2018 11:54:44 near epicenter 1 Apr 2018 14:54:44 standard time in your timezone
Location	18.869S 173.954W
Depth	10 km
Distances	25 km (15 miles) S (173 degrees) of Neiafu, Tonga 287 km (178 miles) NNE (28 degrees) of NUKU'ALOFA, Tonga 425 km (264 miles) W (272 degrees) of Niue Island 2578 km (1602 miles) W (263 degrees) of PAPEETE, Tahiti, French Polynesia
Location Uncertainty	Horizontal: 8.9 km; Vertical 1.9 km
Parameters	Nph = 20; Dmin = 424.2 km; Rmss = 0.62 seconds; Gp = 92° Version =
Event ID	us 1000dcaa

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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