Strong mag. 6.1 earthquake - Zebak, 27 km south of Ashkāsham, Ishkāshim, Badakhshan, Afghanistan, on Saturday, October 3, 1987 at 11:00 GMT
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Strong magnitude 6.1 earthquake at 95 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Earthquake details
| Date & time | Oct 3, 1987 11:00:05 UTC |
| Local time at epicenter | |
| Status | Confirmed |
| Magnitude | 6.1 |
| Depth | 95.4 km |
| Epicenter latitude / longitude | 36.454°N / 71.437°E  (Zebak, Badakhshan, Afghanistan) |
| Antipode | 36.454°S / 108.563°W |
| Shaking intensity | Light shaking near epicenter |
| Felt | 0 reports |
| Primary data source | USGS (United States Geological Survey) |
| Nearby towns and cities | 27 km (17 mi) SSW of Ashkāsham (Ishkashim) (pop: 12,100) | Show on map | Quakes nearby 34 km (21 mi) SSW of Ishqoshim (Ishkoshim, Gorno-Badakhshan, Tajikistan) (pop: 26,000) | Show on map | Quakes nearby 71 km (44 mi) SE of Jurm (pop: 12,100) | Show on map | Quakes nearby 96 km (60 mi) SW of Khandūd (pop: 5,520) | Show on map | Quakes nearby 106 km (66 mi) SE of Faizabad (pop: 44,400) | Show on map | Quakes nearby 297 km (184 mi) NE of Kabul (pop: 3,043,500) | Show on map | Quakes nearby 330 km (205 mi) SE of Duschanbe (Dushanbe, Tajikistan) (pop: 679,400) | Show on map | Quakes nearby 337 km (210 mi) NNW of Islamabad (Pakistan) (pop: 601,600) | Show on map | Quakes nearby 387 km (241 mi) E of Mazar-i-Sharif (Balkh) (pop: 303,300) | Show on map | Quakes nearby |
| Estimated seismic energy released | 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 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 |
| 6.1 | 95 km | Hindu Kush region, Afghanistan | 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 (25 quakes)
Date and time | Mag Depth | Location | Details |
| Mar 27, 1988 15:10 34 years ago | 4.8 92 km | Zebak, 95 km SE of Faizabad, Faīẕābād, Badakhshan, Afghanistan | More |
| Mar 25, 1988 12:46 34 years ago | 4.5 136 km | Zebak, 43 km S of Ashkāsham, Ishkāshim, Badakhshan, Afghanistan | More |
| Mar 23, 1988 19:08 34 years ago | 4.8 117 km | Ishkāshim, 81 km E of Faizabad, Faīẕābād, Badakhshan, Afghanistan | More |
| Mar 7, 1988 00:37 34 years ago | 4.6 33 km | Wākhān, Afghanistan, 18 km SE of Ishqoshim, Tajikistan | More |
| Feb 7, 1988 03:20 34 years ago | 4.7 33 km | Chitrāl, Pakistan, 36 km SE of Ishqoshim, Tajikistan | More |
| Jan 27, 1988 16:38 34 years ago | 4.2 33 km | Wurduj, 67 km SE of Faizabad, Faīẕābād, Badakhshan, Afghanistan | More |
| Jan 19, 1988 02:29 34 years ago | 4.9 198 km | Yamgān, 79 km S of Faizabad, Faīẕābād, Badakhshan, Afghanistan | More |
| Jan 13, 1988 21:23 34 years ago | 4.8 192 km | Yamgān, 78 km S of Faizabad, Faīẕābād, Badakhshan, Afghanistan | More |
| Jan 12, 1988 03:10 34 years ago | 4.7 58 km | Wākhān, Afghanistan, 19 km SE of Ishqoshim, Tajikistan | More |
| Jan 5, 1988 18:04 35 years ago | 4.2 33 km | Yamgān, 64 km S of Faizabad, Faīẕābād, Badakhshan, Afghanistan | More |
| Jan 4, 1988 08:39 35 years ago | 4.2 204 km | Zebak, 91 km SE of Faizabad, Faīẕābād, Badakhshan, Afghanistan | More |
| Jan 3, 1988 14:36 35 years ago | 3.8 239 km | Zebak, 98 km SE of Faizabad, Faīẕābād, Badakhshan, Afghanistan | More |
| Jan 3, 1988 11:18 35 years ago | 4.5 230 km | Wurduj, 77 km SE of Faizabad, Faīẕābād, Badakhshan, Afghanistan | More |
| Dec 13, 1987 06:23 35 years ago | 4.0 134 km | Yamgān, 76 km SE of Faizabad, Faīẕābād, Badakhshan, Afghanistan | More |
| Dec 9, 1987 20:27 35 years ago | 4.3 113 km | Zebak, 14 km SW of Ashkāsham, Ishkāshim, Badakhshan, Afghanistan | More |
| Nov 28, 1987 08:40 35 years ago | 4.4 219 km | Jurm, 64 km SE of Faizabad, Faīẕābād, Badakhshan, Afghanistan | More |
| Nov 21, 1987 03:59 35 years ago | 4.6 129 km | Chitrāl, Pakistan, 64 km S of Ishqoshim, Tajikistan | More |
| Nov 17, 1987 09:51 35 years ago | 4.6 87 km | Kuran Wa Munjan, 81 km S of Jurm, Badakhshan, Afghanistan | More |
| Nov 11, 1987 08:10 35 years ago | 4.5 206 km | Yamgān, 77 km SE of Faizabad, Faīẕābād, Badakhshan, Afghanistan | More |
| Oct 31, 1987 18:35 35 years ago | 4.2 178 km | Jurm, 73 km SE of Faizabad, Faīẕābād, Badakhshan, Afghanistan | More |
| Oct 26, 1987 23:44 35 years ago | 4.5 33 km | 8.4 km NW of Ishqoshim, Ishkoshim, Gorno-Badakhshan, Tajikistan | More |
| Oct 10, 1987 00:04 35 years ago | 3.9 137 km | Wurduj, 58 km SE of Faizabad, Faīẕābād, Badakhshan, Afghanistan | More |
| Oct 9, 1987 01:13 35 years ago | 5.0 104 km | Zebak, 39 km SW of Ashkāsham, Ishkāshim, Badakhshan, Afghanistan | More |
| Oct 5, 1987 00:35 35 years ago | 4.3 33 km | Zebak, 37 km SW of Ashkāsham, Ishkāshim, Badakhshan, Afghanistan | More |
| Oct 4, 1987 10:49 35 years ago | 4.5 180 km | Zebak, 83 km SE of Faizabad, Faīẕābād, Badakhshan, Afghanistan | More |
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