Weak mag. 3.2 earthquake - 4.9 mi southeast of Maple Valley, King County, Washington, USA, on Wednesday, Dec 30, 2020 9:31 am (GMT -8) -

Weak mag. 3.2 earthquake - 4.9 mi southeast of Maple Valley, King County, Washington, USA, on Wednesday, Dec 30, 2020 9:31 am (GMT -8)

Weak magnitude 3.2 earthquake at 20 km depth

30 Dec 17:35 UTC: First to report: USGS after 3 minutes.
30 Dec 17:47: Magnitude recalculated from 3.3 to 3.2. Hypocenter depth recalculated from 15.0 to 20.4 km (from 9.3 to 12.7 mi). Epicenter location corrected by 1.8 km (1.1 mi) towards E.
30 Dec 18:00: Hypocenter depth recalculated from 20.4 to 20.1 km (from 12.7 to 12.5 mi).
Update Wed, 30 Dec 2020, 17:39
Magnitude 3.3 earthquake strikes near Maple Valley, King County, Washington, United States
3.3 quake 30 Dec 9:31 am (GMT -8)
3.3 quake 30 Dec 9:31 am (GMT -8)
Just 7 minutes ago, a 3.3-magnitude earthquake struck near Maple Valley, King County, Washington, USA. The tremor was recorded in the morning on Wednesday 30 December 2020 at 9:31 am local time, at a shallow depth of 9.3 miles below the surface.
The event was filed by the United States Geological Survey (USGS), the first seismological agency to report it.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 3.3 as well.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Lake Morton-Berrydale (pop. 10,200) located 4 miles from the epicenter, Maple Valley (pop. 25,700) 4 miles away, Covington (pop. 19,200) 5 miles away, Hobart (pop. 6,200) 6 miles away, East Hill-Meridian (pop. 29,900) 9 miles away, Auburn (pop. 77,000) 10 miles away, Kent (pop. 127,000) 11 miles away, Renton (pop. 100,200) 14 miles away, Tacoma (pop. 207,900) 21 miles away, and Seattle (pop. 684,500) 24 miles away.
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Earthquake data

Date & time: Dec 30, 2020 17:31:56 UTC -
Local time at epicenter: Wednesday, Dec 30, 2020 9:31 am (GMT -8)
Magnitude: 3.2
Depth: 20.1 km
Epicenter latitude / longitude: 47.3335°N / 121.98833°W (King, Washington, United States)
Antipode: 47.334°S / 58.012°E
Nearest volcano: Mount Rainier (56 km / 35 mi)
Nearby towns and cities:
8 km (5 mi) SE of Maple Valley (King County) (pop: 25,700) --> See nearby quakes!
18 km (11 mi) E of Auburn (pop: 77,000) --> See nearby quakes!
19 km (12 mi) ESE of Kent (pop: 127,000) --> See nearby quakes!
24 km (15 mi) SE of Renton (pop: 100,200) --> See nearby quakes!
24 km (15 mi) SE of Renton (pop: 100,200) --> See nearby quakes!
24 km (15 mi) E of Federal Way (pop: 95,200) --> See nearby quakes!
35 km (22 mi) SSE of Bellevue (pop: 139,800) --> See nearby quakes!
36 km (22 mi) ENE of Tacoma (pop: 207,900) --> See nearby quakes!
40 km (25 mi) SE of Seattle (pop: 684,500) --> See nearby quakes!
76 km (47 mi) ENE of Olympia (pop: 50,300) --> See nearby quakes!
Weather at epicenter at time of quake:
Light Rain 5.2°C (41 F), humidity: 96%, wind: 0 m/s (1 kts) from ESE
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 4 x 109 joules (1.11 megawatt hours, equivalent to 0.951 tons of TNT) 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.
Mag.DepthLocationSource
3.220 km2 Km S of Ravensdale, Washington, USAUSGS
3.121 kmPUGET SOUND REGION, WASHINGTON, USAEMSC

User reports for this quake (27)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Auburn, WA (18.2 km WSW of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / very short : Was lying in bed and it felt like something hopped into the bed. | 2 users found this interesting.  
Mercer Island, King, Washington (31.7 km NW of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / very short : One small bump felt by the whole family. | 2 users found this interesting. (reported through our app)  
Maple valley wa / Very weak shaking (MMI II) / single vertical bump : There was a loud noise like someone slamming a door. I got up, looked in the mirror and it was slowly vibrating. Not a very aggressive earthquake. I thought I was just trippin until my wife called me and asked if I felt the quake. | One user found this interesting.  
Seattle Premium Outlets / Light shaking (MMI IV) / horizontal (sideways) swinging : Firstly, I have heard some sort of a boom in a sky and then felt a little bit of shaking in here. I work in a mall by myself and no one was there and I felt anxious, especially, after I have heard that book in a sky when I was outside waiting for a bus.  
15232 se 272nd st,Kent, wa / Very weak shaking (MMI II) / very short : I was sitting writing a letter and noticed my pad of paper was moving a bit. I thought my muscle was spasming at first.  
Renton, Wa / Weak shaking (MMI III) / 2-5 s : Enough shaking to wake me up from sleeping. I knew that it was an earthquake. Went on for long enough for me to know what was happening and wanting it to stop.  
Bonney Lake, Pierce, Washington (25.4 km SW of epicenter) [Map] / Very weak shaking (MMI II) / 1-2 s
Bryn Mawr-Skyway, King, Washington (28.1 km NW of epicenter) [Map] / Weak shaking (MMI III) / very short : I thought it was the washing machine, then I remembered I hadn’t started any laundry  
Maple Valley (4.8 km NW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / very short
Maple Valley (4.6 km NNW of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s
Maple Valley, King, Washington (4.1 km NW of epicenter) [Map] / Weak shaking (MMI III) / single vertical bump / 1-2 s
Maple Valley, King, Washington (5.4 km NNW of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / very short
South Hill (31.1 km SW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s (reported through our app)
Maple Valley / Strong shaking (MMI VI) / horizontal (sideways) swinging / 2-5 s
Renton / Light shaking (MMI IV)
Renton / Light shaking (MMI IV)
Enumclaw Wa / Weak shaking (MMI III) / 5-10 s
Black Diamond, lake sawyer / Weak shaking (MMI III) / single lateral shake / 2-5 s
Maple Valley, Cherokee Bay / Very weak shaking (MMI II) / single vertical bump / very short : Felt one large "thump" and it was over. It was felt by all 4 persons in household.  
Maple Valley / Strong shaking (MMI VI) / horizontal (sideways) swinging / 2-5 s
Maple Valley WA / not felt : It felt like a large bump  
Auburn se 288 & 134th se / not felt : neighbor directly behind felt it. Windows doors rattled.  
Covington, WA / not felt
Lake Wilderness Golf Course / Strong shaking (MMI VI) / 5-10 s
Ravensdake, wa / Very weak shaking (MMI II) / horizontal (sideways) swinging / 1-2 s
Maple valley / Weak shaking (MMI III)
Maple Valley WA / Very weak shaking (MMI II) / single lateral shake / very short
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