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Light mag. 4.9 earthquake - Azores Islands Region, Portugal on Monday, 28 September 2020

Light mag. 4.9 earthquake  - Azores Islands Region, Portugal on Monday, 28 September 2020
28 Sep 13:28 UTC: First to report: EMSC after 8 minutes.
28 Sep 13:42: Magnitude recalculated from 3.8 to 4.4. Hypocenter depth recalculated from 10.0 to 40.0 km (from 6.2 to 25 mi). Epicenter location corrected by 55 km (34 mi) towards SSW.
... [show all] ...
28 Sep 14:21: Hypocenter depth recalculated from 30.0 to 10.0 km (from 18.6 to 6.2 mi). Epicenter location corrected by 60 km (37 mi) towards N.
Date & time: Monday, 28 September 2020 13:21 UTC
Local time at epicenter: 28 Sep 11:21 am (GMT -2)
Magnitude: 4.9
Depth: 10.0 km
Epicenter latitude / longitude: 41.76°N / 29.42°W (Portugal)
Nearest volcano: Corvo (235 km / 146 mi)
Nearby towns and cities:
1751 km (1088 mi) NW of Lisbon (pop: 517,800)
Weather at epicenter at time of quake:
Overcast Clouds 17.9°C (64 F), humidity: 72%, wind: 7 m/s (13 kts) from NNE
Primary data source: EMSC
Estimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 tons of TNT) [learn more]
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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.
TimeMag. / DepthLocationSource
28 Sep 11:21 am (GMT -2) (28 Sep 13:21:06 UTC)M 4.9 / 10 kmAzores Islands Region, PortugalEMSC
Mon, 28 Sep 13:21 UTCM 4.8 / 10 kmAzores Islands Region, PortugalGFZ
Mon, 28 Sep 13:21 UTCM 4.9 / 10 km263 Km NE of Santa Cruz Das Flores, PortugalUSGS

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Millfield ohio / Light shaking (MMI IV) : Violent quick shake , rattled the whole house windows rattled
Porto Martins terceira island / not felt

Earlier earthquakes in the same area since 1900

Light mag. 4.9 earthquake - Azores Islands Region, Portugal on Monday, 28 September 2020

Map of earlier quakes


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