Terremoto molto forte magnitudine 6.9 - Halmahera Sea, 17 km a est da Pulau Katinai Besar , Maluku Utara, Indonesia, lunedì, 21 gennaio 1985

Terremoto molto forte magnitudine 6.9 - Halmahera Sea, 17 km a est da Pulau Katinai Besar , Maluku Utara, Indonesia, lunedì, 21 gennaio 1985

Terremoto molto forte magnitudine 6.9 at 33 km depth

Data & ora: 21 Jan 1985 00:55:22 UTC
Magnitudine: 6.9
Profondità: 33.0 km
Epicentro latitudine / longitudine: 0.953°S / 128.507°E (Halmahera Sea, Indonesia)
Vulcano più vicino: Bibinoi (90 km / 56 mi)
Nearby towns and cities:
216 km SSE da Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> Vedi sismi vicini
231 km SSE da Ternate (pop: 101,700) --> Vedi sismi vicini
269 km N da Amahai (pop: 47,700) --> Vedi sismi vicini
303 km S da Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> Vedi sismi vicini
306 km O da Sorong (pop: 125,500) --> Vedi sismi vicini
307 km N da Ambon City (pop: 355,600) --> Vedi sismi vicini
456 km SE da Bitung (pop: 137,400) --> Vedi sismi vicini
472 km ESE da Tondano (Kabupaten Minahasa) (pop: 33,300) --> Vedi sismi vicini
483 km ESE da Tomohon (pop: 27,600) --> Vedi sismi vicini
489 km ESE da Manado (pop: 451,900) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 1.4 x 1015 joules (392 gigawatt hours, equivalent to 3.4 x 105 tons of TNT or 21.1 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.
M 6.933 kmHalmahera, IndonesiaUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

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More info
Recorded aftershocks, latest first (7 quakes):
  • 05 Jul 1985 07:17 UTC
    | M 4.8 |
    33 km (20.5 mi) depth
    23 km (14 mi) distance
    | USGS | Details
  • 24 Feb 1985 19:17 UTC
    | M 5.1 |
    33 km (20.5 mi) depth
    167 km (104 mi) distance
    | USGS | Details
  • 25 Jan 1985 12:38 UTC
    | M 5.0 |
    63.7 km (39.6 mi) depth
    11 km (7 mi) distance
    | USGS | Details
  • 21 Jan 1985 19:29 UTC
    | M 4.9 |
    33 km (20.5 mi) depth
    4 km (3 mi) distance
    | USGS | Details
  • 21 Jan 1985 04:44 UTC
    | M 5.3 |
    33 km (20.5 mi) depth
    86 km (53 mi) distance
    | USGS | Details
  • 21 Jan 1985 04:41 UTC
    | M 5.4 |
    33 km (20.5 mi) depth
    21 km (13 mi) distance
    | USGS | Details
  • 21 Jan 1985 04:25 UTC
    | M 4.1 |
    33 km (20.5 mi) depth
    57 km (35 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

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