Sismo minore mag. 0.5 - 32 Km SSE of Morton, Washington, USA, mercoledì, 17 febbraio 2021 -

Sismo minore mag. 0.5 - 32 Km SSE of Morton, Washington, USA, mercoledì, 17 febbraio 2021

Sismo minore magnitudine 0.5 at 9 km depth

18 Feb 05:04 UTC: Primo a segnalare: USGS dopo 7 ore.
Data & ora: 17 Feb 2021 21:38:09 UTC -
Magnitudine: 0.5
Profondità: 9.0 km
Epicentro latitudine / longitudine: 46.29033°N / 122.101°W (Washington State, Stati Uniti)
Vulcano più vicino: Mount St. Helens (12 km / 7 mi)
Nearby towns and cities:
33 km SSE da Morton (pop: 1,130) --> Vedi sismi vicini
66 km NNE da Battle Ground (Clark County) (pop: 19,400) --> Vedi sismi vicini
67 km ENE da Longview (Cowlitz County) (pop: 36,800) --> Vedi sismi vicini
82 km NNE da Camas (pop: 21,800) --> Vedi sismi vicini
84 km NNE da Vancouver (pop: 172,900) --> Vedi sismi vicini
92 km NNE da Gresham (Oregon) (pop: 110,600) --> Vedi sismi vicini
96 km S da South Hill (pop: 52,400) --> Vedi sismi vicini
96 km NNE da Portland (Oregon) (pop: 632,300) --> Vedi sismi vicini
99 km SE da Lacey (pop: 46,400) --> Vedi sismi vicini
100 km SSE da Parkland (pop: 35,800) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 3.5 x 105 joules (0.099 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.
0.59 km32 Km SSE of Morton, Washington, USAUSGS

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 0.5, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
94.3 km SSW of epicenter [Map] / Weak shaking (MMI III) / both vertical and horizontal swinging / 5-10 s
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