Terremoto forte mag. 5.6 - Gulf of Alaska, 105 km a sud da Sand Point, Borough delle Aleutine orientali, Alaska, Stati Uniti, mercoledí, 18 luglio 2018
Questo terremoto era probabilmente un foreshock del M 6.0 terremoto: Gulf of Alaska, 99 km a sud da Sand Point, Borough delle Aleutine orientali, Alaska, Stati Uniti Thu, 19 Jul 2018 14:16che ha seguito 19 ore dopo.
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Terremoto forte magnitudine 5.6 at 28 km depth
18 Jul 19:14 UTC: Primo a segnalare: USGS dopo 8 minuti.
Jul 18 19:20: Magnitudine ricalcolata da 5.5 a 5.7.
Profondità ricalcolata da 10.0 a 13.0 km.
Jul 18 20:12: Magnitudine ricalcolata da 5.7 a 5.6.
Profondità ricalcolata da 13.0 a 28.0 km.
Jul 18 19:20: Magnitudine ricalcolata da 5.5 a 5.7.
Profondità ricalcolata da 10.0 a 13.0 km.
Jul 18 20:12: Magnitudine ricalcolata da 5.7 a 5.6.
Profondità ricalcolata da 13.0 a 28.0 km.
Data & ora: 18 Jul 2018 19:06:03 UTC
Ora locale a epicentro: 2018-07-18 08:06:03 -11:00
Magnitudine: 5.6
Profondità: 28.0 km
Epicentro latitudine / longitudine: 54.4006°N / 160.7164°W
(Gulf of Alaska, Alaska, Stati Uniti)Vulcano più vicino: Dutton (124 km / 77 mi)
Nearby towns and cities:
105 km S da Sand Point (pop: 1,060) --> Vedi sismi vicini
126 km SE da King Cove (pop: 1,010) --> Vedi sismi vicini
155 km ESE da Cold Bay (pop: 123) --> Vedi sismi vicini
181 km S da Nelson Lagoon (pop: 52) --> Vedi sismi vicini
181 km ESE da False Pass (pop: 40) --> Vedi sismi vicini
195 km SSO da Perryville (pop: 113) --> Vedi sismi vicini
241 km SSO da Chignik Lake (pop: 73) --> Vedi sismi vicini
253 km SSO da Chignik Lagoon (pop: 78) --> Vedi sismi vicini
330 km E da Akutan (pop: 1,040) --> Vedi sismi vicini
383 km ENE da Isola di Unalaska (pop: 4,490) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 1.6 x 1013 joules (4.4 gigawatt hours, equivalent to 3788 tons of TNT or 0.2 atomic bombs!) 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 |
| 5.6 | 28 km | - 86km WSW of Chernabura Island, Alaska | USGS |
| 5.5 | 10 km | Alaska Peninsula | GFZ |
| 5.7 | 13 km | ALASKA PENINSULA | EMSC |
| 5.5 | 41 km | Alaska Peninsula | GeoAu |
(shakemap: USGS)
User reports for this quake (3)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Cold Bay, Alaska / Moderate shaking (MMI V) : In the beginning of the earthquake I though it was heavy equipment driving by until it got stronger.
Cold Bay, Alaska / Moderate shaking (MMI V) : In the beginning of the earthquake I though it was heavy equipment driving by until it got stronger.
Port Moller (176.6 km N of epicenter) [Map] / Light shaking (MMI IV) : 1 jolt 5 seconds long (reported through our app)
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