2021-12-30 08:45:36 (M4.9) southwestern Ryukyu Islands, Japan 25.2 125.7 (90be5)

M4.9 Earthquake - southwestern Ryukyu Islands, Japan

Preliminary Report

Magnitude	4.9
Date-Time	30 Dec 2021 08:45:36 UTC 30 Dec 2021 17:45:36 near epicenter 30 Dec 2021 00:45:36 standard time in your timezone
Location	25.246N 125.669E
Depth	11 km
Distances	61.4 km (38.1 mi) NE of Hirara, Japan 182.6 km (113.2 mi) ENE of Ishigaki, Japan 223.2 km (138.4 mi) WSW of Itoman, Japan 227.2 km (140.9 mi) WSW of Tomigusuku, Japan 228.9 km (141.9 mi) WSW of Naha, Japan
Location Uncertainty	Horizontal: 8.4 km; Vertical 5.3 km
Parameters	Nph = 49; Dmin = 281.9 km; Rmss = 0.91 seconds; Gp = 82° Version =
Event ID	us 7000g7xd

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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