Sismo minore mag. 1.9 - 28 Km WNW of Susitna, Alaska, USA, domenica, 28 febbraio 2021 -
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Sismo minore magnitudine 1.9 at 54 km depth
28 Feb 00:41 UTC: Primo a segnalare: USGS dopo 4 minuti.
28 Feb 00:44: Magnitudine ricalcolata da 1.8 a 1.9. Profondità ricalcolata da 52.5 a 54.3 km (da 33 a 34 mi).
28 Feb 00:44: Magnitudine ricalcolata da 1.8 a 1.9. Profondità ricalcolata da 52.5 a 54.3 km (da 33 a 34 mi).
Data & ora: 28 Feb 2021 00:37:41 UTC -
Ora locale a epicentro: Saturday, 27 Feb 2021 15:37 (GMT -9)
Magnitudine: 1.9
Profondità: 54.3 km
Epicentro latitudine / longitudine: 61.6587°N / 150.9938°W
(Alaska, Stati Uniti)Vulcano più vicino: Hayes (76 km / 47 mi)
Nearby towns and cities:
28 km ONO da Susitna (pop: 18) --> Vedi sismi vicini
51 km O da Willow (pop: 2,100) --> Vedi sismi vicini
57 km ONO da Big Lake (pop: 3,350) --> Vedi sismi vicini
76 km ONO da Knik-Fairview (pop: 14,900) --> Vedi sismi vicini
76 km NO da Anchorage (pop: 298,700) --> Vedi sismi vicini
83 km O da Wasilla (pop: 9,280) --> Vedi sismi vicini
84 km ONO da Eagle River (pop: 24,800) --> Vedi sismi vicini
84 km ONO da Eagle River (Anchorage) (pop: 24,800) --> Vedi sismi vicini
93 km O da Fishhook (pop: 4,680) --> Vedi sismi vicini
100 km O da Palmer (pop: 6,790) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Light Snow
-1.7°C (29 F), humidity: 93%, wind: 4 m/s (7 kts) from NNW
Fonte dati primaria: USGS (United States Geological Survey)Light Snow
-1.7°C (29 F), humidity: 93%, wind: 4 m/s (7 kts) from NNWStima dell'energia sismica liberata: 4.5 x 107 joules (12.4 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 |
| 1.9 | 54 km | 28 Km WNW of Susitna, Alaska, 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 1.9, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
