2026-08-16 09:57:38 (M4.0) Arizona-Sonora border region 31.2 -109.3 (90be5)

M4.0 Earthquake - Arizona-Sonora border region

Preliminary Report

Magnitude	4.0
Date-Time	Universal Time (UTC): 16 Aug 2026 09:57:39 Time near the Epicenter (1): 16 Aug 2026 03:57:39 Time in your area (1): 16 Aug 2026 01:57:39
Location	31.201N 109.272W
Depth	16 km
Distances	30.1 km (18.6 mi) ESE of Agua Prieta, Mexico 30.5 km (18.9 mi) ESE of Douglas, Arizona 94.2 km (58.4 mi) ESE of Sierra Vista Southeast, Arizona 95.9 km (59.5 mi) NNE of Nacozari Viejo, Mexico 284.8 km (176.6 mi) NE of Hermosillo, Mexico
Location Uncertainty	Horizontal: 10.4 km; Vertical 3.4 km
Parameters	Nph = 38; Dmin = 19.4 km; Rmss = 0.96 seconds; Gp = 118° Version =
Event ID	us d0015e7e

(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


Disclaimer

This email was sent to dortmundblc1.earthquake2@blogger.com

You requested mail for events between -90.0/90.0 latitude and 180.0/-180.0 longitude (Deprem)
for M2.9 at all times.

To change your parameters, go to: https://earthquake.usgs.gov/ens/
To unsubscribe, send a one-line reply to this message with: STOP dortmundblc1.earthquake2@blogger.com