Minor mag. 1.0 earthquake - 3 Km NW of Longview Heights, Washington, USA, on Wednesday, 17 March 2021 at 10:37 (GMT) -
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Minor magnitude 1.0 earthquake at 6 km depth
17 Mar 19:22 UTC: First to report: USGS after 9 hours.
Date & time: 17 Mar 2021 10:37:27 UTC -
Depth: 5.7 km
Epicenter latitude / longitude: 46.20317°N / 122.98917°W (Washington, United States)
Nearest volcano: Mount St. Helens (62 km / 39 mi)
Nearby towns and cities:
4 km (2 mi) NW of Longview Heights (pop: 3,850) --> See nearby quakes!
8 km (5 mi) NNW of Longview (Cowlitz County) (pop: 36,800) --> See nearby quakes!
9 km (5 mi) NW of Kelso (Cowlitz County) (pop: 11,900) --> See nearby quakes!
68 km (42 mi) NNW of Vancouver (pop: 172,900) --> See nearby quakes!
76 km (47 mi) N of Hillsboro (Oregon) (pop: 102,300) --> See nearby quakes!
79 km (49 mi) NNW of Portland (Oregon) (pop: 632,300) --> See nearby quakes!
79 km (49 mi) N of Aloha (Oregon) (pop: 49,400) --> See nearby quakes!
81 km (50 mi) N of Beaverton (Oregon) (pop: 96,600) --> See nearby quakes!
90 km (56 mi) NNW of Gresham (Oregon) (pop: 110,600) --> See nearby quakes!
93 km (58 mi) S of Olympia (pop: 50,300) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 106 joules (0.554 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.
|1.0||5.7 km||3 Km NW of Longview Heights, Washington, USA||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.At magnitude 1.0, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.