Strong mag. 6.9 earthquake - Hindu Kush Region, Afghanistan, on Thursday, 31 January 1991 at 23:03 (GMT)
Strong magnitude 6.9 earthquake at 142 km depth
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Date & time: 31 Jan 1991 11:03:33 UTC###AGESTRINGCOPY###
Magnitude: 6.9
Depth: 142.4 km
Epicenter latitude / longitude: 35.993°N / 70.423°E
(
Afghanistan)
Nearby towns and cities:75 km (46 mi) SW of Sar Āb (Yamgān, Badakhshan)82 km (51 mi) SE of Farkhār (Farkhar, Takhar) (pop: 10,500)
112 km (69 mi) NE of Bāzārak (Panjshir) (pop: 65,000)
115 km (71 mi) SE of Taloqan (Tāluqān, Takhar) (pop: 64,300)
140 km (87 mi) ESE of Khanabad (Khan Abad, Kunduz) (pop: 71,500)
155 km (96 mi) E of Baghlan (Baghlān-e Jadīd) (pop: 108,400)
199 km (123 mi) NE of Kabul (pop: 3,043,500)
358 km (223 mi) NW of Rawalpindi (Punjab, Pakistan) (pop: 1,743,100)
Primary data source:
USGS
Estimated released energy: 1.4 x 10
15 joules (392 gigawatt hours, equivalent to 3.4 x 10
5 tons of TNT or 21.1 atomic bombs!) [
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Data for the same earthquake reported by different agencies
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| Magnitude | Depth | Location | Source |
| M 6.9 | 142 km | Hindu Kush region, Afghanistan | USGS |
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Aftershocks of the 6.9 quake Hindu Kush Region, Afghanistan, 31 January 23:03 UTC
More info
Based on its magnitude, the fault that was active during the quake ruptured along a surface of approx. 794 km
2 (=307 sqare miles) as a first-order estimate. The length of the rupture zone thus was probably around 49 km (30 mi).
Aftershocks typically occur during the weeks and months following the quake at or near the same fault, at distances of up to approx. two times the length of the rupture zone.
The often broadly linear arrangement of aftershock epicenters encompasses the rupture zone of the main shock (check on the
map below to verify).
14 Jul 1991 09:09 UTC
| M 6.7 | 212.9 km (132.3 mi) depth
| 73 km (45 mi) distance
| USGS | Strong mag. 6.7 earthquake - Hindu Kush Region, Afghanistan, on Sunday, 14 July 1991 at 09:09 (GMT)27 May 1991 00:33 UTC
| M 4.5 | 194.6 km (120.9 mi) depth
| 87 km (54 mi) distance
| USGS | Details24 May 1991 15:37 UTC
| M 4.0 | 33 km (20.5 mi) depth
| 152 km (94 mi) distance
| USGS | Details22 May 1991 14:18 UTC
| M 3.5 | 180.3 km (112 mi) depth
| 116 km (72 mi) distance
| USGS | Details21 May 1991 08:17 UTC
| M 3.9 | 33 km (20.5 mi) depth
| 149 km (93 mi) distance
| USGS | Details01 Jan 1970 00:00 UTC
| M | 0 km (0 mi) depth
| 8261 km (5133 mi) distance
| | Details20 May 1991 21:16 UTC
| M 4.1 | 120 km (74.6 mi) depth
| 148 km (92 mi) distance
| USGS | Details17 May 1991 17:23 UTC
| M 4.5 | 33 km (20.5 mi) depth
| 154 km (95 mi) distance
| USGS | Details14 May 1991 22:38 UTC
| M 3.9 | 72.5 km (45 mi) depth
| 110 km (69 mi) distance
| USGS | Details14 May 1991 00:28 UTC
| M 4.4 | 67.6 km (42 mi) depth
| 89 km (55 mi) distance
| USGS | Details01 Jan 1970 00:00 UTC
| M | 0 km (0 mi) depth
| 8261 km (5133 mi) distance
| | Details13 May 1991 23:55 UTC
| M 4.8 | 19.4 km (12.1 mi) depth
| 140 km (87 mi) distance
| USGS | Details01 Jan 1970 00:00 UTC
| M | 0 km (0 mi) depth
| 8261 km (5133 mi) distance
| | Details13 May 1991 08:32 UTC
| M 4.1 | 73.7 km (45.8 mi) depth
| 110 km (68 mi) distance
| USGS | Details01 Jan 1970 00:00 UTC
| M | 0 km (0 mi) depth
| 8261 km (5133 mi) distance
| | Details05 May 1991 07:09 UTC
| M 4.5 | 116.9 km (72.6 mi) depth
| 52 km (32 mi) distance
| USGS | DetailsShow all
27 Apr 1991 09:51 UTC
| M 5.1 | 208.9 km (129.8 mi) depth
| 53 km (33 mi) distance
| USGS | Details27 Apr 1991 00:39 UTC
| M 4.4 | 240.8 km (149.6 mi) depth
| 91 km (57 mi) distance
| USGS | Details24 Apr 1991 10:37 UTC
| M 4.1 | 211.6 km (131.5 mi) depth
| 93 km (58 mi) distance
| USGS | Details22 Apr 1991 01:34 UTC
| M 4.3 | 69.1 km (42.9 mi) depth
| 108 km (67 mi) distance
| USGS | Details21 Apr 1991 04:12 UTC
| M 3.9 | 33 km (20.5 mi) depth
| 108 km (67 mi) distance
| USGS | Details20 Apr 1991 17:08 UTC
| M 4.1 | 33 km (20.5 mi) depth
| 64 km (40 mi) distance
| USGS | Details19 Apr 1991 05:52 UTC
| M 4.2 | 49.2 km (30.6 mi) depth
| 72 km (45 mi) distance
| USGS | Details19 Apr 1991 01:02 UTC
| M 3.8 | 187.6 km (116.6 mi) depth
| 69 km (43 mi) distance
| USGS | Details18 Apr 1991 17:15 UTC
| M 3.7 | 33 km (20.5 mi) depth
| 140 km (87 mi) distance
| USGS | Details16 Apr 1991 09:56 UTC
| M 5.2 | 126.6 km (78.7 mi) depth
| 81 km (50 mi) distance
| USGS | Details15 Apr 1991 10:48 UTC
| M 5.4 | 123.5 km (76.7 mi) depth
| 92 km (57 mi) distance
| USGS | Details13 Apr 1991 15:32 UTC
| M 3.9 | 33 km (20.5 mi) depth
| 168 km (104 mi) distance
| USGS | Details13 Apr 1991 13:34 UTC
| M 3.4 | 190.4 km (118.3 mi) depth
| 75 km (46 mi) distance
| USGS | Details09 Apr 1991 06:45 UTC
| M 4.2 | 72.5 km (45 mi) depth
| 165 km (103 mi) distance
| USGS | Details02 Apr 1991 12:51 UTC
| M 4.7 | 235 km (146 mi) depth
| 86 km (54 mi) distance
| USGS | Details29 Mar 1991 02:20 UTC
| M 4.3 | 97 km (60.3 mi) depth
| 25 km (16 mi) distance
| USGS | Details28 Mar 1991 18:32 UTC
| M 4.8 | 27.5 km (17.1 mi) depth
| 147 km (92 mi) distance
| USGS | Details26 Mar 1991 05:48 UTC
| M 3.7 | 99.1 km (61.6 mi) depth
| 116 km (72 mi) distance
| USGS | Details24 Mar 1991 21:49 UTC
| M 4.6 | 121.8 km (75.7 mi) depth
| 109 km (68 mi) distance
| USGS | Details24 Mar 1991 01:50 UTC
| M 4.1 | 33 km (20.5 mi) depth
| 164 km (102 mi) distance
| USGS | Details23 Mar 1991 06:02 UTC
| M 3.9 | 204.3 km (126.9 mi) depth
| 85 km (53 mi) distance
| USGS | Details23 Mar 1991 00:36 UTC
| M 5.2 | 214.5 km (133.3 mi) depth
| 46 km (29 mi) distance
| USGS | Details19 Mar 1991 06:23 UTC
| M 3.8 | 33 km (20.5 mi) depth
| 148 km (92 mi) distance
| USGS | Details09 Mar 1991 20:48 UTC
| M 4.1 | 220.6 km (137.1 mi) depth
| 69 km (43 mi) distance
| USGS | Details05 Mar 1991 23:19 UTC
| M 4.4 | 153.8 km (95.6 mi) depth
| 132 km (82 mi) distance
| USGS | Details03 Mar 1991 23:49 UTC
| M 4.6 | 26.9 km (16.7 mi) depth
| 155 km (96 mi) distance
| USGS | Details02 Mar 1991 03:23 UTC
| M 4.4 | 148.5 km (92.3 mi) depth
| 84 km (52 mi) distance
| USGS | Details01 Mar 1991 13:16 UTC
| M 4.5 | 105.9 km (65.8 mi) depth
| 90 km (56 mi) distance
| USGS | Details27 Feb 1991 13:24 UTC
| M 4.3 | 198.8 km (123.5 mi) depth
| 66 km (41 mi) distance
| USGS | Details23 Feb 1991 12:33 UTC
| M 5.5 | 154.7 km (96.1 mi) depth
| 37 km (23 mi) distance
| USGS | Details21 Feb 1991 06:05 UTC
| M 4.2 | 33 km (20.5 mi) depth
| 144 km (89 mi) distance
| USGS | Details12 Feb 1991 03:23 UTC
| M 4.3 | 190.8 km (118.6 mi) depth
| 107 km (67 mi) distance
| USGS | Details11 Feb 1991 09:01 UTC
| M 4.8 | 216.6 km (134.6 mi) depth
| 63 km (39 mi) distance
| USGS | Details03 Feb 1991 18:38 UTC
| M 4.1 | 33 km (20.5 mi) depth
| 101 km (63 mi) distance
| USGS | Details31 Jan 1991 23:51 UTC
| M 4.6 | 206.6 km (128.4 mi) depth
| 80 km (50 mi) distance
| USGS | Details
Earlier earthquakes in the same area
Strong mag. 6.9 earthquake - Hindu Kush Region, Afghanistan, on Thursday, 31 January 1991 at 23:03 (GMT)
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