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Moderate mag. 5.2 earthquake - Andaman Sea, India, on Friday, Sep 24, 2021 at 8:34 pm (GMT +5:30) -

Moderate magnitude 5.2 earthquake at 63 km depth

24 Sep 15:11 UTC: First to report: NCS after 7 minutes.
24 Sep 15:15: Magnitude recalculated from 4.6 to 4.9. Hypocenter depth recalculated from 180.7 to 63.0 km (from 112 to 39 mi). Epicenter location corrected by 97 km (60 mi) towards NW.
24 Sep 16:47: Magnitude recalculated from 4.9 to 5.2.

Earthquake details

Date & time	Sep 24, 2021 15:04:27 UTC -
Local time at epicenter	Friday, Sep 24, 2021 at 8:34 pm (GMT +5:30)
Status	Confirmed
Magnitude	5.2
Depth	63.0 km
Epicenter latitude / longitude	9.22°N / 93.92°E (Andaman Sea, India)
Antipode	9.22°S / 86.08°W
Shaking intensity	Light shaking near epicenter
Felt	0 reports
Primary data source	NCS (National Center for Seismology)
Nearest volcano	###NEARESTVOLCANO2###
Nearby towns and cities	301 km (187 mi) SSE of Port Blair (pop: 112,100) \| Show on map \| Quakes nearby 401 km (249 mi) NNW of Sabang (Indonesia) (pop: 24,500) \| Show on map \| Quakes nearby 139 km (86 mi) NE of Teressa Island (pop: 1,930) \| Show on map \| Quakes nearby 317 km (197 mi) SE of North Sentinel Island (pop: 50) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake	Overcast Clouds 28.4°C (83 F), humidity: 81%, wind: 7 m/s (13 kts) from SW
Estimated seismic energy released	4 x 10¹² joules (1.11 gigawatt hours, equivalent to 951 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
5.2	63 km	India: Nicobar Islands	NCS
5.4	27 km	Nicobar Islands, India Region	GFZ
5.4	10 km	NICOBAR ISLANDS, INDIA REGION	EMSC
5.1	89 km	Nicobar Islands, India Region	BMKG
5.4	10 km	Nicobar Islands, India Region	TMD
5.4	10 km	Nicobar Islands, India Region	USGS
5.3	10 km	India: Near Banda Aceh	RENASS
5.5	20 km	Nicobar Islands, India Region	GeoAu

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Seismograms

Seismic station: Chiang Mai, Thailand (CHTO/IU network) | Distance from quake: 1196 km / 743 mi | Show on map | Station Info

Seismic station Chiang Mai, Thailand: 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: 0.02-5.0 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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Aftershocks

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Recorded aftershocks, latest first (0 quake)

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