Minor mag. 0.5 earthquake - 16 Km N of Amboy, Washington, on Tuesday, July 20, 2021 at 23:36 (GMT) -
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Minor magnitude 0.5 earthquake at 16 km depth
21 Jul 14:10 UTC: First to report: USGS after 15 hours.
Depth: 15.7 km
Epicenter latitude / longitude: 46.05983°N / 122.40633°W↗ (Washington, United States)
Antipode: 46.06°S / 57.594°E↗
Nearest volcano: Mount St. Helens (23 km / 14 mi)
Nearby towns and cities:
17 km (11 mi) N of Amboy (pop: 1,610) --> See nearby quakes!
33 km (20 mi) NNE of Battle Ground (Clark County) (pop: 19,400) --> See nearby quakes!
42 km (26 mi) E of Longview (Cowlitz County) (pop: 36,800) --> See nearby quakes!
43 km (27 mi) NNE of Salmon Creek (pop: 19,700) --> See nearby quakes!
45 km (28 mi) NNE of Orchards (pop: 19,600) --> See nearby quakes!
51 km (32 mi) NNE of Vancouver (pop: 172,900) --> See nearby quakes!
63 km (39 mi) N of Gresham (Oregon) (pop: 110,600) --> See nearby quakes!
63 km (39 mi) NNE of Portland (Oregon) (pop: 632,300) --> See nearby quakes!
71 km (44 mi) NNE of Beaverton (Oregon) (pop: 96,600) --> See nearby quakes!
75 km (47 mi) NE of Hillsboro (Oregon) (pop: 102,300) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.5 x 105 joules (0.099 kilowatt hours) More info
Data for the same earthquake reported by different agencies
Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
|0.5||16 km||16 Km N of Amboy, Washington||USGS|