Light magnitude 4.1 earthquake at 20 km depth
13 Dec 00:02 UTC: First to report: EMSC after 12 minutes.
13 Dec 00:08: Magnitude recalculated from 4.0 to 4.1. Epicenter location corrected by 18 km (11 mi) towards ENE.
13 Dec 05:30: Hypocenter depth recalculated from 10.0 to 20.0 km (from 6.2 to 12.4 mi). Epicenter location corrected by 1.6 km (1 mi) towards W.
13 Dec 07:56: Epicenter location corrected by 18 km (11 mi) towards S.
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Date & time: 12 Dec 2020 23:50:22 UTC –
Local time at epicenter: Sunday, 13 Dec 2:50 am (GMT +3)
Magnitude: 4.1
Depth: 20.0 km
Epicenter latitude / longitude: 43.22°N / 45.61°E 
(Chechen Republic, Russia)
Nearest volcano: Kasbek (103 km / 64 mi)
Nearby towns and cities:
3 km (2 mi) ESE of Alkhan-Yurt (Chechnya) (pop: 8,880) See nearby quakes!
3 km (2 mi) ESE of Alkhan-Yurt (pop: 8,880) [quakes]
12 km (7 mi) NNE of Urus-Martan (Chechnya) (pop: 41,500) [quakes]
12 km (7 mi) SSW of Grozny (Chechnya) (pop: 226,100) [quakes]
15 km (10 mi) NW of Staryye Atagi (Shalinsky District, Chechnya) (pop: 10,200) [quakes]
16 km (10 mi) ESE of Zakan-Yurt (Achkhoy-Martanovsky District, Chechnya) (pop: 4,940) [quakes]
23 km (14 mi) WSW of Argun (Chechnya) (pop: 28,100) [quakes]
25 km (16 mi) WNW of Shali (Chechnya) (pop: 25,000) [quakes]
27 km (17 mi) E of Achkhoy-Martan (Chechnya) (pop: 16,800) [quakes]
79 km (49 mi) ENE of Vladikavkaz (North Ossetia) (pop: 317,400) [quakes]
Weather at epicenter at time of quake:
Mist 
1°C (34 F), humidity: 95%, wind: 1 m/s (2 kts) from WNW
Primary data source: EMSC
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) More info
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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.
| Magnitude | Depth | Location | Source |
| M 4.1 | 20 km | CAUCASUS REGION, RUSSIA, Georgia | EMSC |
| M 4.1 | 18 km | Caucasus Region, Russia, Georgia | USGS |
User reports for this quake (6)
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6.8 km S of epicenter [Map] / Weak shaking (MMI III)
Grozny / Very weak shaking (MMI II) / single vertical bump / 2-5 s
Vladikavkaz / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : We were sleeping while the bed started to shake lightly for a few seconds
Быллым / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s
Урус Мартан / Strong shaking (MMI VI) / rattling, vibrating : Страшно было
Urus_Martan / Light shaking (MMI IV) / rattling, vibrating / 10-15 s
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Earlier earthquakes in the same area since 1900
Mag. 4.1 earthquake – , Chechen Republic, 3.3 km southeast of Alkhan-Yurt (Russia), Georgia, on Sunday, 13 Dec 2:50 am (GMT +3)
-
Date / time UTC
| Mag |
Depth
|
Age
|
Distance
| Details
-
29 Apr 1991 09:12
| 7.0 |
17.2km / 10.7mi
|
30 years ago
|
180km / 112mi
-
14 May 1970 18:12
| 6.7 |
15km / 9.3mi
|
51 years ago
|
124km / 77mi
-
23 Oct 1992 23:19
| 6.4 |
16.4km / 10.2mi
|
28 years ago
|
81km / 51mi
-
15 Jun 1991 00:59
| 6.3 |
9.4km / 5.8mi
|
30 years ago
|
155km / 97mi
-
29 Apr 1991 18:30
| 6.1 |
14.3km / 8.9mi
|
30 years ago
|
161km / 100mi
-
28 Jul 1976 20:17
| 6.1 |
21km / 13mi
|
44 years ago
|
5km / 3mi
-
14 May 1970 09:20
| 6.1 |
12.5km / 7.8mi
|
51 years ago
|
124km / 77mi
-
07 Sep 2009 22:41
| 6.0 |
15km / 9.3mi
|
11 years ago
|
187km / 116mi
-
11 Oct 2008 09:06
| 5.8 |
16km / 9.9mi
|
12 years ago
|
55km / 34mi
-
02 Nov 1951 21:55
| 5.8 |
15km / 9.3mi
|
69 years ago
|
122km / 76mi
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Map of earlier quakes
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