Minor mag. 1.8 earthquake - Explosion - 4 Km SSW of Port Ludlow, Washington, USA, on Monday, 19 April 2021 at 18:36 (GMT) -

Minor mag. 1.8 earthquake - Explosion - 4 Km SSW of Port Ludlow, Washington, USA, on Monday, 19 April 2021 at 18:36 (GMT)

Minor magnitude 1.8 earthquake at 0 km depth

19 Apr 19:34 UTC: First to report: USGS after 58 minutes.
Date & time: 19 Apr 2021 18:36:42 UTC -
Magnitude: 1.8
Depth: 0.1 km
Epicenter latitude / longitude: 47.88967°N / 122.71867°W (Washington, United States)
Nearest volcano: Mount Baker (119 km / 74 mi)
Nearby towns and cities:
10 km (6 mi) NNW of Lofall (pop: 2,290) --> See nearby quakes!
18 km (11 mi) NNW of Poulsbo (Kitsap County) (pop: 10,000) --> See nearby quakes!
27 km (17 mi) WNW of Edmonds (pop: 41,400) --> See nearby quakes!
27 km (17 mi) N of Silverdale (Kitsap County) (pop: 19,200) --> See nearby quakes!
31 km (19 mi) WNW of Lynnwood (pop: 37,000) --> See nearby quakes!
32 km (20 mi) W of Picnic Point-North Lynnwood (pop: 23,000) --> See nearby quakes!
32 km (20 mi) WNW of Shoreline (pop: 55,400) --> See nearby quakes!
40 km (25 mi) WSW of Everett (pop: 108,000) --> See nearby quakes!
43 km (27 mi) NW of Seattle (pop: 684,500) --> See nearby quakes!
74 km (46 mi) NNW of Tacoma (pop: 207,900) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.2 x 107 joules (8.78 kilowatt hours) More info
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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.
1.80.1 kmExplosion - 4 Km SSW of Port Ludlow, Washington, USAUSGS

User reports for this quake (1)

At magnitude 1.8, 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.
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Bremerton, WA / Very weak shaking (MMI II) / single vertical bump / 1-2 s : I heard a big boom and looked outside. Nothing out of the ordinary outside, but I was worried  
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