Light mag. 2.9 earthquake - 47 km north of Torbat-e Ḩeydarīyeh, Razavi Khorasan, Iran, on Sunday, Aug 22, 2021 at 11:59 am (GMT +4:30) -
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Light magnitude 2.9 earthquake at 6 km depth
22 Aug 07:45 UTC: First to report: IRSC after 16 minutes.
23 Aug 03:20: Magnitude recalculated from 3.1 to 2.9. Hypocenter depth recalculated from 10.0 to 6.0 km (from 6.2 to 3.7 mi). Epicenter location corrected by 2.1 km (1.3 mi) towards WSW.
23 Aug 03:20: Magnitude recalculated from 3.1 to 2.9. Hypocenter depth recalculated from 10.0 to 6.0 km (from 6.2 to 3.7 mi). Epicenter location corrected by 2.1 km (1.3 mi) towards WSW.
Local time at epicenter: Sunday, Aug 22, 2021 at 11:59 am (GMT +4:30)
Magnitude: 2.9
Depth: 6.0 km
Epicenter latitude / longitude: 35.7°N / 59.2°E

Antipode: 35.7°S / 120.8°W
Nearby towns and cities:
47 km (29 mi) N of Torbat-e Ḩeydarīyeh (pop: 125,600) --> See nearby quakes!
68 km (42 mi) SSE of Neyshabur (pop: 220,900) --> See nearby quakes!
76 km (47 mi) SSW of Mashhad (pop: 2,307,200) --> See nearby quakes!
84 km (52 mi) NE of Kāshmar (pop: 96,200) --> See nearby quakes!
702 km (436 mi) E of Tehran (pop: 7,153,300) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
27.7°C (82 F), humidity: 14%, wind: 3 m/s (7 kts) from NNE
Primary data source: IRSC
Clear Sky

Estimated released energy: 1.4 x 109 joules (392 kilowatt hours, equivalent to 0.338 tons of TNT) | 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 |
2.9 | 6 km | Iran: 17 Km of Robat Sang, Khorasan Razavi | IRSC |
User reports for this quake
At magnitude 2.9, this quake might have been felt very close to the epicenter and under calm conditions.User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Earlier earthquakes in the same area
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