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Very strong mag. 6.5 earthquake - 31 km northwest of Pulau Betuah Island, Lampung, Indonesia, on Friday, December 27, 1985 at 05:38 GMT

Very strong mag. 6.5 earthquake - 31 km northwest of Pulau Betuah Island, Lampung, Indonesia, on Friday, December 27, 1985 at 05:38 GMT Very strong mag. 6.5 earthquake - 31 km northwest of Pulau Betuah Island, Lampung, Indonesia, on Friday, December 27, 1985 at 05:38 GMT

Very strong magnitude 6.5 earthquake at 25 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.

Earthquake details

Date & timeDec 27, 1985 05:38:53 UTC
Local time at epicenter
StatusConfirmed
Magnitude6.5
Depth24.5 km
Epicenter latitude / longitude5.763°S / 104.191°E (Indian Ocean, Indonesia)
Antipode5.763°N / 75.809°W
Shaking intensityStrong shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoSuoh (57 km / 35 mi)
Nearby towns and cities124 km (77 mi) WSW of Bandar Lampung (pop: 800,300) | Show on map | Quakes nearby
129 km (80 mi) SW of Kotabumi (pop: 42,400) | Show on map | Quakes nearby
143 km (89 mi) WSW of Metro (pop: 149,500) | Show on map | Quakes nearby
150 km (93 mi) SW of Terbanggi Besar (pop: 52,600) | Show on map | Quakes nearby
182 km (113 mi) S of Baturaja (pop: 134,800) | Show on map | Quakes nearby
194 km (120 mi) WNW of Labuan (Kabupaten Pandeglang) (pop: 33,600) | Show on map | Quakes nearby
220 km (137 mi) WNW of Pandeglang (pop: 92,300) | Show on map | Quakes nearby
221 km (137 mi) W of Serang (pop: 164,800) | Show on map | Quakes nearby
298 km (185 mi) W of Jakarta (pop: 8,540,100) | Show on map | Quakes nearby
399 km (248 mi) WNW of Bandung (pop: 1,699,700) | Show on map | Quakes nearby
Estimated seismic energy released3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 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
6.525 kmsouthern Sumatra, 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.
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Aftershocks

[More info]

Recorded aftershocks, latest first (22 quakes)

Date and timeMag
Depth
LocationDetails
Jun 14, 1986 15:54
36 years ago
4.3

114 km
63 km N of Pulau Betuah Island, Lampung, IndonesiaMore
May 12, 1986 00:42
36 years ago
4.6

67 km
Pulau Betuah, 105 km SW of Bandar Lampung, IndonesiaMore
Apr 22, 1986 21:25
36 years ago
4.8

33 km
41 km SE of Pulau Betuah Island, Lampung, IndonesiaMore
Apr 16, 1986 19:56
36 years ago
4.7

75 km
95 km NW of Pulau Betuah Island, Lampung, IndonesiaMore
Mar 25, 1986 17:10
36 years ago
5.8

47 km
51 km SW of Pulau Betuah Island, Lampung, IndonesiaMore
Mar 12, 1986 16:57
36 years ago
4.8

33 km
117 km SE of Pulau Dua Island, Bengkulu, IndonesiaMore
Feb 13, 1986 13:34
36 years ago
4.5

48 km
68 km NW of Pulau Betuah Island, Lampung, IndonesiaMore
Feb 10, 1986 15:31
36 years ago
4.6

83 km
57 km NW of Pulau Betuah Island, Lampung, IndonesiaMore
Feb 5, 1986 18:00
36 years ago
5.1

33 km
Pulau Betuah, 118 km SW of Bandar Lampung, IndonesiaMore
Jan 10, 1986 14:27
36 years ago
4.6

33 km
43 km W of Pulau Betuah Island, Lampung, IndonesiaMore
Jan 9, 1986 13:23
37 years ago
4.6

33 km
28 km W of Pulau Betuah Island, Lampung, IndonesiaMore
Jan 3, 1986 07:53
37 years ago
4.6

33 km
30 km NW of Pulau Betuah Island, Lampung, IndonesiaMore
Jan 2, 1986 17:57
37 years ago
4.4

85 km
Southern Sumatra, IndonesiaMore
Dec 31, 1985 09:38
37 years ago
5.1

33 km
21 km NW of Pulau Betuah Island, Lampung, IndonesiaMore
Dec 30, 1985 20:37
37 years ago
4.6

33 km
53 km NW of Pulau Betuah Island, Lampung, IndonesiaMore
Dec 29, 1985 16:24
37 years ago
4.7

33 km
41 km W of Pulau Betuah Island, Lampung, IndonesiaMore
Dec 29, 1985 06:39
37 years ago
5.4

33 km
24 km W of Pulau Betuah Island, Lampung, IndonesiaMore
Dec 29, 1985 04:22
37 years ago
4.6

33 km
Southern Sumatra, IndonesiaMore
Dec 28, 1985 23:10
37 years ago
6.2

33 km
Pulau Betuah, 115 km W of Bandar Lampung, IndonesiaMore
Dec 28, 1985 06:12
37 years ago
4.4

33 km
35 km NW of Pulau Betuah Island, Lampung, IndonesiaMore
Dec 28, 1985 05:55
37 years ago
4.6

69 km
Southern Sumatra, IndonesiaMore
Dec 27, 1985 14:56
37 years ago
5.0

58 km
28 km NW of Pulau Betuah Island, Lampung, IndonesiaMore

Earlier earthquakes in the same area

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