Sismo minore mag. 0.4 - 37 Km NNE of Amboy, Washington, USA, lunedí, 15 febbraio 2021 -
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Sismo minore magnitudine 0.4 at 1 km depth
15 Feb 18:32 UTC: Primo a segnalare: USGS dopo 1 ora e 10 minuti.
Data & ora: 15 Feb 2021 17:22:38 UTC -
Ora locale a epicentro: Monday, 15 Feb 2021 09:22 (GMT -8)
Magnitudine: 0.4
Profondità: 0.6 km
Epicentro latitudine / longitudine: 46.19767°N / 122.1905°W

Vulcano più vicino: Mount St. Helens (1 km / 1 mi)
Nearby towns and cities:
38 km NNE da Amboy (pop: 1,610) --> Vedi sismi vicini
53 km NNE da Battle Ground (Clark County) (pop: 19,400) --> Vedi sismi vicini
58 km E da Longview (Cowlitz County) (pop: 36,800) --> Vedi sismi vicini
72 km NNE da Vancouver (pop: 172,900) --> Vedi sismi vicini
80 km NNE da Gresham (Oregon) (pop: 110,600) --> Vedi sismi vicini
84 km NNE da Portland (Oregon) (pop: 632,300) --> Vedi sismi vicini
92 km NNE da Beaverton (Oregon) (pop: 96,600) --> Vedi sismi vicini
94 km NNE da Aloha (Oregon) (pop: 49,400) --> Vedi sismi vicini
96 km NNE da Tigard (Oregon) (pop: 51,300) --> Vedi sismi vicini
97 km NE da Hillsboro (Oregon) (pop: 102,300) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 2.5 x 105 joules (0.07 kilowatt hours) More info
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.
Magnitudine | Profondità | Ubicazione | Fonte |
0.4 | 0.6 km | 37 Km NNE of Amboy, Washington, USA | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 0.4, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.