Forte terremoto magnitudine 6.4 - Halmahera, Indonesia, lunedì, 27 febbraio 1989

Forte terremoto magnitudine 6.4 - Halmahera, Indonesia, lunedì, 27 febbraio 1989

Strong magnitude 6.4 earthquake at 54 km depth

Data & ora: 27 Feb 1989 23:39:10 UTC
Magnitudine: 6.4
Profondità: 53.7 km
Epicentro latitudine / longitudine: 2.301°N / 128.009°E (Indonesia)
Vulcano più vicino: Tarakan (56 km / 35 mi)
Nearby towns and cities:
64 km N da Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> Vedi sismi vicini
181 km NNE da Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> Vedi sismi vicini
182 km NNE da Ternate (pop: 101,700) --> Vedi sismi vicini
327 km ENE da Bitung (pop: 137,400) --> Vedi sismi vicini
349 km ENE da Laikit, Laikit II (Dimembe) (Kabupaten Minahasa Utara) (pop: 8,000) --> Vedi sismi vicini
362 km ENE da Tondano (Kabupaten Minahasa) (pop: 33,300) --> Vedi sismi vicini
363 km ENE da Manado (pop: 451,900) --> Vedi sismi vicini
373 km ENE da Tomohon (pop: 27,600) --> Vedi sismi vicini
506 km NO da Sorong (pop: 125,500) --> Vedi sismi vicini
2534 km ENE da Giacarta (pop: 8,540,100) --> Vedi sismi vicini
Fonte dati primaria: USGS (United States Geological Survey)
Stima dell'energia sismica liberata: 2.5 x 1014 joules (69.8 gigawatt hours, equivalent to 60036 tons of TNT or 3.8 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 6.454 kmHalmahera, IndonesiaUSGS
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.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Aftershocks of the 6.4 quake Halmahera, Indonesia, 27 February 1989 23:39 GMT

More info
Recorded aftershocks, latest first (9 quakes):
  • 06 Aug 1989 06:36 UTC
    | M 5.8 |
    113.8 km (70.7 mi) depth
    |
    54 km (33 mi) distance
    | USGS | Details
  • 22 Jul 1989 05:02 UTC
    | M 6.5 |
    141.8 km (88.1 mi) depth
    |
    15 km (9 mi) distance
    | USGS | Strong mag. 6.5 earthquake - Halmahera, Indonesia, on Saturday, 22 July 1989 at 05:02 (GMT)
  • 10 May 1989 08:23 UTC
    | M 5.2 |
    53.9 km (33.5 mi) depth
    |
    63 km (39 mi) distance
    | USGS | Details
  • 23 Mar 1989 03:10 UTC
    | M 5.1 |
    95.4 km (59.3 mi) depth
    |
    29 km (18 mi) distance
    | USGS | Details
  • 28 Feb 1989 06:07 UTC
    | M 5.0 |
    62.2 km (38.6 mi) depth
    |
    6 km (4 mi) distance
    | USGS | Details
  • 28 Feb 1989 05:50 UTC
    | M 5.3 |
    53.4 km (33.2 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details
  • 28 Feb 1989 05:10 UTC
    | M 5.0 |
    64.1 km (39.8 mi) depth
    |
    28 km (17 mi) distance
    | USGS | Details
  • 28 Feb 1989 01:25 UTC
    | M 5.3 |
    57.6 km (35.8 mi) depth
    |
    5 km (3 mi) distance
    | USGS | Details
  • 28 Feb 1989 00:51 UTC
    | M 5.9 |
    55.9 km (34.7 mi) depth
    |
    10 km (6 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

Strong mag. 6.4 earthquake - Halmahera, Indonesia, on Monday, 27 February 1989 at 23:39 (GMT)
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