Sismo debile mag. 2.4 - 34 km a est da Issaquah, Contea di King County, Washington, Stati Uniti, domenica, 30 mag 2021 23:30 (GMT -7) -

Sismo debile mag. 2.4 - 34 km a est da Issaquah, Contea di King County, Washington, Stati Uniti, domenica, 30 mag 2021 23:30 (GMT -7)

Sismo debile magnitudine 2.4 at 15 km depth

31 May 06:35 UTC: Primo a segnalare: EMSC dopo 4 minuti.
31 May 06:35: Ora utilizzando nuova fonte di dati: USGS
31 May 06:50: Magnitudine ricalcolata da 3.0 a 2.4. Profondità ricalcolata da 12.0 a 15.4 km (da 7.5 a 9.6 mi). Posizione dell'epicentro corretta di 4 km (2.5 mi) al E.
Update Mon, 31 May 2021, 06:39
Small magnitude 3.0 quake hits 18 miles southeast of Issaquah, Washington, United States late at night
3.0 quake 30 May 11:30 pm (GMT -7)
3.0 quake 30 May 11:30 pm (GMT -7)
An earthquake of magnitude 3.0 occurred late at night on Sunday 30 May 2021 at 11:30 pm local time near Issaquah, King County, Washington, USA, as reported by the United States Geological Survey.
According to preliminary data, the quake was located at a shallow depth of 7.5 miles. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 3.0 as well.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Riverbend (pop. 2,100) located 5 miles from the epicenter. In Issaquah (pop. 36,100, 18 miles away), Maple Valley (pop. 25,700, 19 miles away), West Lake Sammamish (pop. 33,900, 22 miles away), Union Hill-Novelty Hill (pop. 18,800, 23 miles away), Sammamish (pop. 52,300, 23 miles away), Covington (pop. 19,200, 24 miles away), Seattle (pop. 684,500, 33 miles away), and Tacoma (pop. 207,900, 40 miles away), the quake was probably not felt.
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Earthquake data

Data & ora: 31 May 2021 06:30:47 UTC -
Ora locale a epicentro: domenica, 30 mag 2021 23:30 (GMT -7)
Magnitudine: 2.4
Prof.: 15.4 km
Epicentro latitudine / longitudine: 47.46817°N / 121.59283°W (Contea di King, Washington, Stati Uniti)
Antipode: 47.468°S / 58.407°E
Vulcano più vicino: Mount Rainier (69 km / 43 mi)
Nearby towns and cities:
12 km E da Riverbend (pop: 2,130) --> Vedi sismi vicini
34 km E da Issaquah (King County) (pop: 36,100) --> Vedi sismi vicini
37 km ESE da City of Sammamish (King County) (pop: 45,800) --> Vedi sismi vicini
47 km E da Renton (pop: 100,200) --> Vedi sismi vicini
48 km ESE da Bellevue (pop: 139,800) --> Vedi sismi vicini
49 km ENE da Kent (pop: 127,000) --> Vedi sismi vicini
49 km ENE da Kent (pop: 127,000) --> Vedi sismi vicini
58 km ESE da Seattle (pop: 684,500) --> Vedi sismi vicini
68 km ENE da Puyallup (pop: 207,900) --> Vedi sismi vicini
110 km ENE da Olympia (pop: 50,300) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 2.5 x 108 joules (69.8 kWh) 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.
2.415 km7 Km E of Tanner, WashingtonUSGS
2.215 km56 Km E of Seattle , WANRCAN

User reports for this quake (3)

At magnitude 2.4, this quake might have been felt very close to the epicenter and under calm conditions.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Sammamish / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Very weak vibration in bed on upper floor  
Port Orchard / Weak shaking (MMI III) / rattling, vibrating
Renton, Washington (43.5 km W of epicenter) [Map] / not felt : Not really noticable but startled one of the cats. (reported through our app)  
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