Terremoto molto forte magnitudine 6.3 - North Pacific Ocean, 197 km a sud ovest da Manzanillo, Colima, Messico, martedì, 01 gennaio 1991

Terremoto molto forte magnitudine 6.3 - North Pacific Ocean, 197 km a sud ovest da Manzanillo, Colima, Messico, martedì, 01 gennaio 1991

Terremoto molto forte magnitudine 6.3 at 35 km depth

Data & ora: 1 Jan 1991 00:06:31 UTC
Magnitudine: 6.3
Profondità: 35.0 km
Epicentro latitudine / longitudine: 18.068°N / 105.847°W (North Pacific Ocean, Messico)
Vulcano più vicino: Northern EPR-Segment RO2 (178 km / 111 mi)
Nearby towns and cities:
170 km SO da Benito Juarez (pop: 358) --> Vedi sismi vicini
187 km SO da Cihuatlan (Cihuatlán) (pop: 18,200) --> Vedi sismi vicini
197 km SO da Manzanillo (pop: 130,000) --> Vedi sismi vicini
228 km OSO da Tecoman (pop: 85,700) --> Vedi sismi vicini
245 km SO da Autlan de Navarro (pop: 45,400) --> Vedi sismi vicini
259 km OSO da Colima (pop: 137,400) --> Vedi sismi vicini
259 km OSO da Ciudad de Villa de Alvarez (pop: 117,600) --> Vedi sismi vicini
291 km SSO da Puerto Vallarta (pop: 203,300) --> Vedi sismi vicini
387 km SO da Guadalajara (pop: 1,495,200) --> Vedi sismi vicini
724 km O da Città del Messico (pop: 12,294,200) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 atomic bombs!) 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.
MagnitudineProfonditàUbicazioneFonte
M 6.335 kmoff the coast of Jalisco, MexicoUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Aftershocks

More info
Recorded aftershocks, latest first (3 quakes):
  • 05 Jun 1991 19:27 UTC
    | M 3.9 |
    68 km (42.3 mi) depth
    |
    69 km (43 mi) distance
    | USGS | Details
  • 01 Jan 1991 03:19 UTC
    | M 5.8 |
    36.4 km (22.6 mi) depth
    |
    13 km (8 mi) distance
    | USGS | Details
  • 01 Jan 1991 02:19 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    33 km (20 mi) distance
    | USGS | Details

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Earlier earthquakes in the same area

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