Mag. 4.2 earthquake - 14 km north of Dāmghān, Semnan Province, Iran, on Saturday, 29 August 2020 at 19:01 (GMT) -
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Light magnitude 4.2 earthquake at 2 km depth
29 Aug 19:36 UTC: First to report: EMSC after 35 minutes.
Aug 29 19:47: Magnitude recalculated from 4.3 to 4.5.
Hypocenter depth recalculated from 2.0 to 5.0 km.
Hypocenter depth recalculated from 5.0 to 2.0 km.
Aug 30 03:08: Magnitude recalculated from 4.5 to 4.2.
Aug 29 19:47: Magnitude recalculated from 4.3 to 4.5.
Hypocenter depth recalculated from 2.0 to 5.0 km.
Hypocenter depth recalculated from 5.0 to 2.0 km.
Aug 30 03:08: Magnitude recalculated from 4.5 to 4.2.
Magnitude: 4.2
Depth: 2.0 km
Epicenter latitude / longitude: 36.29°N / 54.39°E
(Semnan, Iran)Nearest volcano: Damavand (192 km / 119 mi)
Nearby towns and cities:
14 km (9 mi) NNE of Dāmghān (pop: 67,700) --> See nearby quakes!
54 km (34 mi) WSW of Shahrud (pop: 131,900) --> See nearby quakes!
62 km (38 mi) S of Gorgan (Golestan) (pop: 244,900) --> See nearby quakes!
87 km (54 mi) ESE of Behshahr (Māzandarān) (pop: 93,500) --> See nearby quakes!
106 km (66 mi) ESE of Nekā (Māzandarān) (pop: 48,800) --> See nearby quakes!
120 km (74 mi) NE of Semnan (pop: 124,800) --> See nearby quakes!
123 km (76 mi) ESE of Sari (Māzandarān) (pop: 255,400) --> See nearby quakes!
127 km (79 mi) SSW of Gonbad-e Kāvūs (Golestan) (pop: 131,400) --> See nearby quakes!
275 km (171 mi) ENE of Teheran (Tehrān) (pop: 7,153,300) --> See nearby quakes!
468 km (291 mi) W of Mashhad (Razavi Khorasan) (pop: 2,307,200) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 tons of TNT) More info
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 4.2 | 2 km | 62 km S of Gorgān, Iran | EMSC |
| M 4.3 | 10 km | 7 Km of Damghan, Semnan (Iran) | IRSC |
| M 4.2 | 10 km | Northern And Central Iran | GFZ |
| M 4.0 | 10 km | 24 Km NNE of Dāmghān, Iran | USGS |
User reports for this quake (1)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Shahrood (52.4 km ENE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 s
Earlier earthquakes in the same area
Mag. 4.2 earthquake - 14 km north of Dāmghān, Semnan Province, Iran, on Saturday, 29 August 2020 at 19:01 (GMT)
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