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Moderate mag. 4.7 earthquake - 87 km southeast of Aldan, Sakha, Russia, on Tuesday, Jan 19, 2021 at 3:46 am (GMT +9)

Moderate magnitude 4.7 earthquake at 10 km depth

18 Jan 19:17 UTC: First to report: USGS after 32 minutes.
19 Jan 19:24: Epicenter location corrected by 1.2 km (0.7 mi) towards W.

Update Mon, 18 Jan 2021, 19:21

Light magnitude 4.7 quake hits 88 km southeast of Aldan, Russia early morning

4.7 quake 19 Jan 3:46 am (GMT +9)

A magnitude 4.7 earthquake near Aldan, Aldansky District, Sakha, Russia, was reported 35 minutes ago by the United States Geological Survey (USGS), considered one of the key international agencies that monitor seismic activity worldwide. The earthquake occurred at a shallow depth of 10 km beneath the epicenter early morning on Tuesday 19 January 2021 at 3:46 am local time. Magnitude and other quake parameters can still change in the coming hours as the agency continues to process seismic data.
Our monitoring service identified a second report from the European-Mediterranean Seismological Centre (EMSC) which listed the quake at magnitude 4.7 as well.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Kankunskiy (pop. 95) located 47 km from the epicenter, and Leninskiy (pop. 2,000) 83 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Aldan (pop. 24,400) located 88 km from the epicenter, Nizhniy Kuranakh (pop. 6,800) 103 km away, and Tommot (pop. 9,000) 106 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Earthquake details

Date & time	Jan 18, 2021 18:46:13 UTC
Local time at epicenter	Tuesday, Jan 19, 2021 at 3:46 am (GMT +9)
Status	Confirmed
Magnitude	4.7
Depth	10.0 km
Epicenter latitude / longitude	58.004°N / 126.3393°E (Sakha, Russia)
Antipode	58.004°S / 53.661°W
Shaking intensity	Weak shaking
Felt	1 report
Primary data source	USGS (United States Geological Survey)
Nearest volcano	###NEARESTVOLCANO2###
Nearby towns and cities	46 km (29 mi) NNE of Kankunskiy (pop: 95) \| Show on map \| Quakes nearby 87 km (54 mi) SE of Aldan (pop: 24,400) \| Show on map \| Quakes nearby 103 km (64 mi) SSE of Nizhniy Kuranakh (pop: 6,800) \| Show on map \| Quakes nearby 106 km (66 mi) S of Tommot (Aldanskiy Ulus) (pop: 9,030) \| Show on map \| Quakes nearby 155 km (96 mi) NNE of Chul'man (Gorod Neryungri) (pop: 10,200) \| Show on map \| Quakes nearby 178 km (111 mi) NNE of Neryungri (pop: 66,300) \| Show on map \| Quakes nearby 332 km (206 mi) NNE of Tynda (Amur Oblast) (pop: 37,300) \| Show on map \| Quakes nearby 417 km (259 mi) SSW of Pokrovsk (pop: 9,760) \| Show on map \| Quakes nearby 428 km (266 mi) SE of Olyokminsk (Olekminskiy Ulus) (pop: 8,810) \| Show on map \| Quakes nearby 486 km (302 mi) SSW of Yakutsk (pop: 235,600) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Scattered Clouds -39.9°C (-40 F), humidity: 74%, wind: 3 m/s (6 kts) from SSW
Estimated seismic energy released	7.1 x 10¹¹ joules (197 megawatt hours, equivalent to 169 tons of TNT) \| about seismic energy

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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.

Mag.	Depth	Location	Source
4.7	10 km	73 Km SE of Lebedinyy, Russia	USGS
4.7	10 km	SOUTHWESTERN SAKHA, RUSSIA	EMSC
4.6	7 km	Southeastern Siberia, Russia	GFZ

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Seismograms

Seismic station: Yakutsk, Russia (YAK/IU network) | Distance from quake: 485 km / 301 mi | Show on map | Station Info

Seismic station Yakutsk, Russia: 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: 0.2-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.

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Translate

Aldan, Aldansky District, Sakha (85.7 km NW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 5-10 s : . | One user found this interesting.

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