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.
Earthquake details
Date & time | Aug 22, 2021 07:29:44 UTC - |
Local time at epicenter | Sunday, Aug 22, 2021 at 11:59 am (GMT +4:30) |
Status | Confirmed |
Magnitude | 2.9 |
Depth | 6.0 km |
Epicenter latitude / longitude | 35.7°N / 59.2°E ![]() |
Antipode | 35.7°S / 120.8°W |
Shaking intensity | Weak shaking near epicenter |
Felt | 0 reports |
Primary data source | IRSC |
Nearby towns and cities | 47 km (29 mi) N of Torbat-e Ḩeydarīyeh (pop: 125,600) | Show on map | Quakes nearby 68 km (42 mi) SSE of Neyshabur (pop: 220,900) | Show on map | Quakes nearby 76 km (47 mi) SSW of Mashhad (pop: 2,307,200) | Show on map | Quakes nearby 84 km (52 mi) NE of Kāshmar (pop: 96,200) | Show on map | Quakes nearby 702 km (436 mi) E of Tehran (pop: 7,153,300) | Show on map | Quakes nearby |
Weather at epicenter at time of quake | Clear Sky ![]() |
Estimated seismic energy released | 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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