Major magnitude 7.0 earthquake - Halmahera Sea, 30 km northeast of Pulau Manomadehe Island, Indonesia, on Friday, January 21, 1994 at 02:24 (GMT)

Major magnitude 7.0 earthquake - Halmahera Sea, 30 km northeast of Pulau Manomadehe Island, Indonesia, on Friday, January 21, 1994 at 02:24 (GMT)

Major magnitude 7.0 earthquake at 20 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Jan 21, 1994 02:24:29 UTC
Magnitude: 7
Depth: 19.9 km
Epicenter latitude / longitude: 1.015°N / 127.733°E (Halmahera Sea, Indonesia)
Antipode: 1.015°S / 52.267°W
Nearest volcano: Jailolo (36 km / 22 mi)
Nearby towns and cities:
36 km (23 mi) NNE of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> See nearby quakes!
46 km (29 mi) ENE of Ternate (pop: 101,700) --> See nearby quakes!
85 km (53 mi) SSW of Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> See nearby quakes!
287 km (178 mi) E of Bitung (pop: 137,400) --> See nearby quakes!
311 km (193 mi) E of Laikit, Laikit II (Dimembe) (Kabupaten Minahasa Utara) (pop: 8,000) --> See nearby quakes!
315 km (196 mi) E of Tondano (Kabupaten Minahasa) (pop: 33,300) --> See nearby quakes!
325 km (202 mi) E of Manado (pop: 451,900) --> See nearby quakes!
327 km (203 mi) E of Tomohon (pop: 27,600) --> See nearby quakes!
437 km (271 mi) WSW of Tobi Village (Hatobohei, Palau) (pop: 44) --> See nearby quakes!
445 km (277 mi) WNW of Sorong (pop: 125,500) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 2 x 1015 joules (554 gigawatt hours, equivalent to 4.8 x 105 tons of TNT or 29.8 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.
Mag.DepthLocationSource
7.020 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

More info

Recorded aftershocks, latest first (19 quakes)

  • 06 Dec 1995 04:51 UTC
    | M 5.1 |
    124.9 km (77.6 mi) depth
    |
    100 km (62 mi) distance
    | USGS | Details
  • 05 Dec 1995 14:54 UTC
    | M 5.8 |
    99.1 km (61.6 mi) depth
    |
    79 km (49 mi) distance
    | USGS | Details
  • 05 Nov 1995 11:49 UTC
    | M 5.2 |
    38 km (23.6 mi) depth
    |
    85 km (53 mi) distance
    | USGS | Details
  • 04 Oct 1995 01:31 UTC
    | M 5.6 |
    114.6 km (71.2 mi) depth
    |
    105 km (66 mi) distance
    | USGS | Details
  • 04 May 1995 02:18 UTC
    | M 6.1 |
    23.4 km (14.5 mi) depth
    |
    128 km (79 mi) distance
    | USGS | Very strong mag. 6.1 earthquake - Halmahera Sea, 55 km east of Tobelo, Indonesia, on Thursday, May 4, 1995 at 02:18 (GMT)
  • 20 Nov 1994 14:29 UTC
    | M 5.0 |
    120.9 km (75.1 mi) depth
    |
    62 km (39 mi) distance
    | USGS | Details
  • 17 Nov 1994 11:26 UTC
    | M 5.1 |
    142.9 km (88.8 mi) depth
    |
    90 km (56 mi) distance
    | USGS | Details
  • 12 Oct 1994 02:58 UTC
    | M 5.1 |
    149.8 km (93.1 mi) depth
    |
    84 km (52 mi) distance
    | USGS | Details
  • 07 Oct 1994 15:17 UTC
    | M 5.3 |
    159.7 km (99.2 mi) depth
    |
    70 km (43 mi) distance
    | USGS | Details
  • 21 Sep 1994 06:09 UTC
    | M 5.2 |
    143 km (88.9 mi) depth
    |
    64 km (40 mi) distance
    | USGS | Details
  • 09 Sep 1994 18:45 UTC
    | M 5.4 |
    120 km (74.6 mi) depth
    |
    119 km (74 mi) distance
    | USGS | Details
  • 28 Jul 1994 22:55 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    123 km (76 mi) distance
    | USGS | Details
  • 04 Jun 1994 23:59 UTC
    | M 5.1 |
    160.7 km (99.9 mi) depth
    |
    80 km (50 mi) distance
    | USGS | Details
  • 20 Apr 1994 16:48 UTC
    | M 5.0 |
    103.8 km (64.5 mi) depth
    |
    111 km (69 mi) distance
    | USGS | Details
  • 16 Apr 1994 15:16 UTC
    | M 5.6 |
    99.5 km (61.8 mi) depth
    |
    104 km (64 mi) distance
    | USGS | Details
  • 24 Jan 1994 16:11 UTC
    | M 5.4 |
    24.5 km (15.2 mi) depth
    |
    6 km (4 mi) distance
    | USGS | Details
  • 22 Jan 1994 04:10 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    32 km (20 mi) distance
    | USGS | Details
  • 21 Jan 1994 18:14 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    25 km (16 mi) distance
    | USGS | Details
  • 21 Jan 1994 02:50 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    19 km (12 mi) distance
    | USGS | Details

Earlier earthquakes in the same area

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