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Weak mag. 1.9 earthquake - Explosion - 4 Km SW of Cathlamet, Washington, on Friday, May 20, 2022 at 10:06 am (GMT -7) -

Weak mag. 1.9 earthquake - Explosion - 4 Km SW of Cathlamet, Washington, on Friday, May 20, 2022 at 10:06 am (GMT -7) Weak mag. 1.9 earthquake - Explosion - 4 Km SW of Cathlamet, Washington, on Friday, May 20, 2022 at 10:06 am (GMT -7)

Weak magnitude 1.9 earthquake at 1 km depth

20 May 17:47 UTC: First to report: USGS after 40 minutes.

Earthquake details

Date & timeMay 20, 2022 17:06:56 UTC -
Local time at epicenterFriday, May 20, 2022 at 10:06 am (GMT -7)
StatusConfirmed
Magnitude1.9
Depth0.5 km
Epicenter latitude / longitude46.1725°N / 123.43°W (Washington, United States)
Antipode46.173°S / 56.57°E
Shaking intensityWeak shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoMount St. Helens (96 km / 60 mi)
Nearby towns and cities5 km (3 mi) SW of Katlamet (pop: 532) | Show on map | Quakes nearby
19 km (12 mi) WNW of Clatskanie (Oregon) (pop: 1,760) | Show on map | Quakes nearby
31 km (19 mi) E of Astoria (Oregon) (pop: 9,630) | Show on map | Quakes nearby
38 km (24 mi) W of Longview (Cowlitz County) (pop: 36,800) | Show on map | Quakes nearby
77 km (48 mi) NNW of Forest Grove (Washington County, Oregon) (pop: 24,500) | Show on map | Quakes nearby
80 km (50 mi) NNW of Hillsboro (Oregon) (pop: 102,300) | Show on map | Quakes nearby
84 km (52 mi) NW of Vancouver (pop: 172,900) | Show on map | Quakes nearby
93 km (58 mi) NW of Portland (Oregon) (pop: 632,300) | Show on map | Quakes nearby
Weather at epicenter at time of quakeBroken Clouds 12.4°C (54 F), humidity: 69%, wind: 3 m/s (5 kts) from SSW
Estimated seismic energy released4.5 x 107 joules (12.4 kilowatt hours) | about seismic energy
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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.
Mag.DepthLocationSource
1.90.5 kmExplosion - 4 Km SW of Cathlamet, WashingtonUSGS
1.90.5 kmWashington-Oregon Border RegionRaspberryShake

User reports for this quake

At magnitude 1.9, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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