2020-09-21 17:57:38 (M4.7) Tonga -20.9 -173.8 (1cbfb)

[ens@xxxxxxxxxxxx (USGS ENS)]

M4.7 Earthquake - Tonga

Preliminary Report

Magnitude	4.7
Date-Time	21 Sep 2020 17:57:38 UTC 21 Sep 2020 05:57:38 near epicenter 21 Sep 2020 09:57:38 standard time in your timezone
Location	20.887S 173.829W
Depth	10 km
Distances	126.5 km (78.4 mi) ENE of �Ohonua, Tonga 145.4 km (90.1 mi) ENE of Nuku�alofa, Tonga 796.5 km (493.9 mi) SSW of T?funa, American Samoa 803.2 km (498.0 mi) SSW of Pago Pago, American Samoa 810.8 km (502.7 mi) SSW of Apia, Samoa
Location Uncertainty	Horizontal: 11.4 km; Vertical 1.9 km
Parameters	Nph = 30; Dmin = 454.6 km; Rmss = 1.78 seconds; Gp = 94° Version =
Event ID	us 6000bzeq

For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey


Disclaimer

This email was sent to list-quake@xxxxxxxxxxx

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (Default World)
for M3.5 between 08:00 and 20:00 and M4.0 other times.

To change your parameters, go to: https://earthquake.usgs.gov/ens
To unsubscribe, send a one-line reply to this message with: STOP list-quake@xxxxxxxxxxx