Strong mag. 6.1 earthquake - Molucca Sea, 143 km east of Bitung, North Sulawesi, Indonesia, on Saturday, August 16, 1986 at 21:08 (GMT)

Strong mag. 6.1 earthquake - Molucca Sea, 143 km east of Bitung, North Sulawesi, Indonesia, on Saturday, August 16, 1986 at 21:08 (GMT)

Strong magnitude 6.1 earthquake at 33 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Aug 16, 1986 21:08:28 UTC
Magnitude: 6.1
Depth: 33.0 km
Epicenter latitude / longitude: 1.765°N / 126.442°E (Molucca Sea, Indonesia)
Antipode: 1.765°S / 53.558°W
Nearest volcano: Gamkonora (127 km / 79 mi)
Nearby towns and cities:
143 km (89 mi) ENE of Bitung (pop: 137,400) --> See nearby quakes!
151 km (94 mi) NW of Ternate (pop: 101,700) --> See nearby quakes!
166 km (103 mi) E of Laikit, Laikit II (Dimembe) (Kabupaten Minahasa Utara) (pop: 8,000) --> See nearby quakes!
169 km (105 mi) NW of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) --> See nearby quakes!
174 km (108 mi) W of Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) --> See nearby quakes!
178 km (110 mi) ENE of Tondano (Kabupaten Minahasa) (pop: 33,300) --> See nearby quakes!
180 km (112 mi) E of Manado (pop: 451,900) --> See nearby quakes!
189 km (117 mi) ENE of Tomohon (pop: 27,600) --> See nearby quakes!
400 km (248 mi) ENE of Gorontalo (pop: 144,200) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) | about seismic energy
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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
6.133 kmMolucca Sea (Indonesia)USGS
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.
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Aftershocks

[More info]

Recorded aftershocks, latest first (35 quakes)

Date and timeMag
Depth
LocationDetails
Feb 8, 1987 17:48
35 years ago
6.2

17 km
Molucca Sea, 127 km NW of Ternate, North Maluku, IndonesiaMore
Feb 7, 1987 11:31
35 years ago
5.0

33 km
Molucca Sea, 121 km NW of Ternate, North Maluku, IndonesiaMore
Jan 29, 1987 02:43
35 years ago
6.4

48 km
Molucca Sea, 118 km E of Bitung, North Sulawesi, IndonesiaMore
Jan 23, 1987 17:51
35 years ago
5.9

72 km
Molucca Sea, 134 km NW of Ternate, North Maluku, IndonesiaMore
Jan 6, 1987 18:16
35 years ago
4.1

90 km
Molucca Sea, 94 km NE of Pulau Gureda Island, North Maluku, IndonesiaMore
Nov 28, 1986 13:44
35 years ago
4.8

86 km
Molucca Sea, 142 km NW of Ternate, North Maluku, IndonesiaMore
Nov 27, 1986 19:03
35 years ago
4.4

95 km
Molucca Sea, 96 km N of Pulau Gureda Island, North Maluku, IndonesiaMore
Nov 26, 1986 04:11
35 years ago
4.7

61 km
Molucca Sea, 132 km NW of Ternate, North Maluku, IndonesiaMore
Nov 24, 1986 16:01
35 years ago
5.1

48 km
Molucca Sea, 143 km NW of Ternate, North Maluku, IndonesiaMore
Nov 14, 1986 16:37
35 years ago
4.3

33 km
Molucca Sea, 115 km NW of Ternate, North Maluku, IndonesiaMore
Nov 10, 1986 02:26
35 years ago
4.8

78 km
Molucca Sea, 120 km NW of Pulau Tutu Island, North Maluku, IndonesiaMore
Oct 30, 1986 21:40
35 years ago
4.7

49 km
Molucca Sea, 151 km E of Bitung, North Sulawesi, IndonesiaMore
Oct 22, 1986 05:30
35 years ago
5.0

76 km
Molucca Sea, 109 km NW of Pulau Tutu Island, North Maluku, IndonesiaMore
Oct 21, 1986 12:15
35 years ago
4.9

67 km
Molucca Sea, 113 km NW of Ternate, North Maluku, IndonesiaMore
Oct 15, 1986 00:03
35 years ago
4.5

33 km
Molucca Sea, 151 km NW of Ternate, North Maluku, IndonesiaMore
Oct 8, 1986 16:37
35 years ago
4.4

33 km
Molucca Sea, 165 km NE of Bitung, North Sulawesi, IndonesiaMore
Sep 14, 1986 20:16
35 years ago
4.9

33 km
Molucca Sea, 139 km E of Bitung, North Sulawesi, IndonesiaMore
Sep 5, 1986 21:08
35 years ago
4.8

73 km
Molucca Sea, 137 km NW of Ternate, North Maluku, IndonesiaMore
Aug 27, 1986 01:15
35 years ago
4.2

33 km
Molucca Sea, 97 km NW of Pulau Tutu Island, North Maluku, IndonesiaMore
Aug 25, 1986 00:19
35 years ago
4.7

33 km
Molucca Sea, 153 km NW of Ternate, North Maluku, IndonesiaMore
Aug 25, 1986 00:13
35 years ago
5.0

33 km
Molucca Sea, 156 km NW of Ternate, North Maluku, IndonesiaMore
Aug 24, 1986 23:46
35 years ago
5.6

35 km
Molucca Sea, 83 km NW of Pulau Tutu Island, North Maluku, IndonesiaMore
Aug 24, 1986 06:52
35 years ago
5.0

33 km
Molucca Sea, 89 km NW of Pulau Tutu Island, North Maluku, IndonesiaMore
Aug 23, 1986 18:27
35 years ago
5.0

33 km
Molucca Sea, 149 km NW of Ternate, North Maluku, IndonesiaMore
Aug 22, 1986 20:12
35 years ago
4.6

35 km
Molucca Sea, 139 km NW of Ternate, North Maluku, IndonesiaMore
Aug 22, 1986 12:25
35 years ago
4.8

33 km
Molucca Sea, 115 km NW of Ternate, North Maluku, IndonesiaMore
Aug 22, 1986 12:19
35 years ago
4.5

33 km
Molucca Sea, 111 km NW of Ternate, North Maluku, IndonesiaMore
Aug 21, 1986 17:38
35 years ago
4.7

33 km
Molucca Sea, 145 km NW of Ternate, North Maluku, IndonesiaMore
Aug 20, 1986 18:15
35 years ago
5.5

33 km
Molucca Sea, 164 km NE of Bitung, North Sulawesi, IndonesiaMore
Aug 18, 1986 14:16
35 years ago
5.8

33 km
Molucca Sea, 139 km NW of Ternate, North Maluku, IndonesiaMore
Aug 18, 1986 01:11
35 years ago
4.8

33 km
Molucca Sea, 174 km NE of Bitung, North Sulawesi, IndonesiaMore
Aug 17, 1986 18:25
35 years ago
4.7

33 km
Molucca Sea, 104 km NW of Pulau Tutu Island, North Maluku, IndonesiaMore
Aug 17, 1986 10:26
35 years ago
5.3

33 km
Molucca Sea, 150 km NW of Ternate, North Maluku, IndonesiaMore
Aug 17, 1986 04:33
35 years ago
5.0

33 km
Molucca Sea, 75 km NW of Pulau Tutu Island, North Maluku, IndonesiaMore
Aug 16, 1986 22:39
35 years ago
5.0

33 km
Molucca Sea, 149 km NW of Ternate, North Maluku, IndonesiaMore

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