Very strong mag. 6.5 earthquake - 31 km northwest of Pulau Betuah Island, Lampung, Indonesia, on Friday, December 27, 1985 at 05:38 GMT
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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 & time | Dec 27, 1985 05:38:53 UTC |
| Local time at epicenter | |
| Status | Confirmed |
| Magnitude | 6.5 |
| Depth | 24.5 km |
| Epicenter latitude / longitude | 5.763°S / 104.191°E  (Indian Ocean, Indonesia) |
| Antipode | 5.763°N / 75.809°W |
| Shaking intensity | Strong shaking near epicenter |
| Felt | 0 reports |
| Primary data source | USGS (United States Geological Survey) |
| Nearest volcano | Suoh (57 km / 35 mi) |
| Nearby towns and cities | 124 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 released | 3.5 x 1014 joules (98.6 gigawatt hours, equivalent to 84802 tons of TNT or 5.3 atomic bombs!) | about seismic energy |
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. | Depth | Location | Source |
| 6.5 | 25 km | southern Sumatra, Indonesia | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Aftershocks
[More info]
Recorded aftershocks, latest first (22 quakes)
Date and time | Mag Depth | Location | Details |
| Jun 14, 1986 15:54 36 years ago | 4.3 114 km | 63 km N of Pulau Betuah Island, Lampung, Indonesia | More |
| May 12, 1986 00:42 36 years ago | 4.6 67 km | Pulau Betuah, 105 km SW of Bandar Lampung, Indonesia | More |
| Apr 22, 1986 21:25 36 years ago | 4.8 33 km | 41 km SE of Pulau Betuah Island, Lampung, Indonesia | More |
| Apr 16, 1986 19:56 36 years ago | 4.7 75 km | 95 km NW of Pulau Betuah Island, Lampung, Indonesia | More |
| Mar 25, 1986 17:10 36 years ago | 5.8 47 km | 51 km SW of Pulau Betuah Island, Lampung, Indonesia | More |
| Mar 12, 1986 16:57 36 years ago | 4.8 33 km | 117 km SE of Pulau Dua Island, Bengkulu, Indonesia | More |
| Feb 13, 1986 13:34 36 years ago | 4.5 48 km | 68 km NW of Pulau Betuah Island, Lampung, Indonesia | More |
| Feb 10, 1986 15:31 36 years ago | 4.6 83 km | 57 km NW of Pulau Betuah Island, Lampung, Indonesia | More |
| Feb 5, 1986 18:00 36 years ago | 5.1 33 km | Pulau Betuah, 118 km SW of Bandar Lampung, Indonesia | More |
| Jan 10, 1986 14:27 36 years ago | 4.6 33 km | 43 km W of Pulau Betuah Island, Lampung, Indonesia | More |
| Jan 9, 1986 13:23 37 years ago | 4.6 33 km | 28 km W of Pulau Betuah Island, Lampung, Indonesia | More |
| Jan 3, 1986 07:53 37 years ago | 4.6 33 km | 30 km NW of Pulau Betuah Island, Lampung, Indonesia | More |
| Jan 2, 1986 17:57 37 years ago | 4.4 85 km | Southern Sumatra, Indonesia | More |
| Dec 31, 1985 09:38 37 years ago | 5.1 33 km | 21 km NW of Pulau Betuah Island, Lampung, Indonesia | More |
| Dec 30, 1985 20:37 37 years ago | 4.6 33 km | 53 km NW of Pulau Betuah Island, Lampung, Indonesia | More |
| Dec 29, 1985 16:24 37 years ago | 4.7 33 km | 41 km W of Pulau Betuah Island, Lampung, Indonesia | More |
| Dec 29, 1985 06:39 37 years ago | 5.4 33 km | 24 km W of Pulau Betuah Island, Lampung, Indonesia | More |
| Dec 29, 1985 04:22 37 years ago | 4.6 33 km | Southern Sumatra, Indonesia | More |
| Dec 28, 1985 23:10 37 years ago | 6.2 33 km | Pulau Betuah, 115 km W of Bandar Lampung, Indonesia | More |
| Dec 28, 1985 06:12 37 years ago | 4.4 33 km | 35 km NW of Pulau Betuah Island, Lampung, Indonesia | More |
| Dec 28, 1985 05:55 37 years ago | 4.6 69 km | Southern Sumatra, Indonesia | More |
| Dec 27, 1985 14:56 37 years ago | 5.0 58 km | 28 km NW of Pulau Betuah Island, Lampung, Indonesia | More |
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