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22 September, 2021

2021-09-21 04:42:49 UPDATED: (M4.6) Tonga -15.9 -175.3 (70fa9)

M4.6 Earthquake - Tonga

Preliminary Report
Magnitude 4.6
Date-Time
  • 21 Sep 2021 04:42:49 UTC
  • 21 Sep 2021 17:42:49 near epicenter
  • 21 Sep 2021 10:12:49 standard time in your timezone
Location 15.883S 175.311W
Depth 320 km
Distances
  • 162.4 km (100.7 mi) W of Hihifo, Tonga
  • 443.8 km (275.1 mi) WSW of Apia, Samoa
  • 522.4 km (323.9 mi) WSW of T?funa, American Samoa
  • 526.3 km (326.3 mi) WSW of Pago Pago, American Samoa
  • 572.7 km (355.1 mi) E of Labasa, Fiji
Location Uncertainty Horizontal: 10.2 km; Vertical 6.1 km
Parameters Nph = 62; Dmin = 348.4 km; Rmss = 0.69 seconds; Gp = 68°
Version =
Event ID us 7000fd2d ***This event has been revised.

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 earthquake.tremors@gmail.com This is an update to a previous notification for this event

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