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Mag. 5.0 earthquake - South Atlantic Ocean, South Georgia & South Sandwich Islands, on Friday, May 7, 2021 08:48 am (GMT -2)

Moderate magnitude 5.0 earthquake at 44 km depth

7 May 11:08 UTC: First to report: USGS after 20 minutes.

Earthquake details

Date & time	May 7, 2021 10:48:37 UTC
Local time at epicenter	Friday, May 7, 2021 08:48 am (GMT -2)
Status	Confirmed
Magnitude	5
Depth	44.3 km
Epicenter latitude / longitude	56.5349°S / 26.7477°W South Atlantic Ocean, South Georgia & South Sandwich Islands
Antipode	56.5349°N / 153.2523°E
Shaking intensity	Light shaking near epicenter
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	Hodson (31 km / 19 mi)
Weather at epicenter at time of quake	Overcast Clouds -2.1°C (28 F), humidity: 64%, wind: 10 m/s (19 kts) from SW
Estimated seismic energy released	2 x 10¹² joules (554 megawatt hours, equivalent to 477 tons of TNT) \| about seismic energy

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Data for the same earthquake as reported by different agencies

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Mag	Depth	Time GMT	Epicenter	Agency
5.0	44 km (28 mi)	2021-05-7 10:48:37	South Sandwich Islands Region	USGS (United States Geological Survey)
5.0	40 km (25 mi)	2021-05-7 10:48:37	SOUTH SANDWICH ISLANDS REGION 2.8 km (1.8 mi) epicenter difference with USGS	EMSC (European-Mediterranean Seismological Centre)
4.8	47 km (29 mi)	2021-05-7 10:48:38	South Sandwich Islands Region 16 km (9.7 mi) epicenter difference with USGS	GFZ (German Research Centre for Geosciences)

Most recent quakes Top 20 past 24 hrs Quakes in South Georgia and the South Sandwich Islands

Seismograms

Seismic station: Hope Point, South Georgia Island (HOPE/II network) | Distance from quake: 663 km / 412 mi | Show on map | Station Info

Seismic station Hope Point, South Georgia Island: 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

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

There are no user reports for this quake.

Aftershocks

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Recorded aftershocks, latest first (0 quake)

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