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Mag. 4.9 earthquake - 29 km northwest of Belyashi, Altai, Russia, on Saturday, May 8, 2021 07:56 am (Barnaul time)

Mag. 4.9 earthquake - 29 km northwest of Belyashi, Altai, Russia, on Saturday, May 8, 2021 07:56 am (Barnaul time) Mag. 4.9 earthquake - 29 km northwest of Belyashi, Altai, Russia, on Saturday, May 8, 2021 07:56 am (Barnaul time)

Moderate magnitude 4.9 earthquake at 10 km depth

8 May 02:12 UTC: First to report: KNDC after 1 hour and 15 minutes.

Earthquake details

Date & timeMay 8, 2021 00:56:49 UTC
Local time at epicenterSaturday, May 8, 2021 07:56 am (Asia/Barnaul GMT +7)
Depth10.0 km
Epicenter latitude / longitude49.85°N / 87.09°E Altai, Russia
Antipode49.85°S / 92.91°W
Shaking intensityModerate shaking near epicenter
Felt0 reports
Primary data sourceKNDC (Kazakhstan National Data Center)
Estimated seismic energy released1.4 x 1012 joules (392 megawatt hours, equivalent to 338 tons of TNT) | about seismic energy
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Nearby places

Distance Place Max. shaking intensity(*) Region Country
29 km (18 mi)
ESE of epicenter
(pop: 1,200)
68 km (42 mi)
NE of epicenter
(pop: 3,370)
203 km (126 mi)
W of epicenter
(pop: 44,900)
Very weak
East Kazakhstan
235 km (146 mi)
SSE of epicenter
(pop: 139,300)
Very weak
249 km (155 mi)
NNW of epicenter
(pop: 54,900)
Very weak
255 km (158 mi)
NNW of epicenter
(pop: 15,400)
Very weak
261 km (162 mi)
WNW of epicenter
(pop: 52,700)
Very weak
East Kazakhstan
326 km (203 mi)
NNW of epicenter
(pop: 215,400)
Very weak
Altai Krai
453 km (281 mi)
NNW of epicenter
(pop: 599,600)
Very weak
Altai Krai
(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.

Compare Quake Data

Data for the same earthquake as reported by different agencies

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 Time GMT Epicenter Agency
4.9 10 km (6.2 mi) (*) 2021-05-8 00:56:49 KAZAKHSTAN-XINJIANG BORDER REGION KNDC (Kazakhstan National Data Center)
(*) A depth given as 10 km often means that the the depth of the quake could not determined with sufficient accuracy.


Seismic station: Makanchi, Kazakhstan (MAKZ/IU network) | Distance from quake: 507 km / 315 mi | Show on map | Station Info
Seismic station Makanchi, Kazakhstan: vertical movement plot around time of quake (source: IRIS/BUD)
Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.2-5.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool
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User-reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

Earlier earthquakes in the same area

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