Minor mag. 1.9 earthquake - Aegean Sea, 24 km southwest of Athens, Nomarchia Athinas, Attica, Greece, on Thursday, 4 Mar 2021 11:21 pm (GMT +2) -
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Minor magnitude 1.9 earthquake at 14 km depth
4 Mar 21:58 UTC: First to report: NOA after 37 minutes.
5 Mar 00:04: Magnitude recalculated from 1.8 to 1.9. Hypocenter depth recalculated from 5.0 to 13.8 km (from 3.1 to 8.6 mi). Epicenter location corrected by 2.3 km (1.5 mi) towards S.
5 Mar 00:04: Magnitude recalculated from 1.8 to 1.9. Hypocenter depth recalculated from 5.0 to 13.8 km (from 3.1 to 8.6 mi). Epicenter location corrected by 2.3 km (1.5 mi) towards S.
Date & time: 4 Mar 2021 21:21:07 UTC -
Local time at epicenter: Thursday, 4 Mar 2021 11:21 pm (GMT +2)
Magnitude: 1.9
Depth: 13.8 km
Epicenter latitude / longitude: 37.7953°N / 23.6018°E
(Aegean Sea, Greece)Nearest volcano: Methana (33 km / 21 mi)
Nearby towns and cities:
7 km (4 mi) NE of Kavos (pop: 29) --> See nearby quakes!
16 km (10 mi) WSW of Glyfada (pop: 87,300) --> See nearby quakes!
17 km (10 mi) SSW of Piraeus (pop: 163,700) --> See nearby quakes!
17 km (11 mi) SSW of Old Faliron (pop: 64,000) --> See nearby quakes!
19 km (12 mi) S of Keratsini (pop: 77,100) --> See nearby quakes!
19 km (12 mi) SW of Agios Dimitrios (pop: 71,300) --> See nearby quakes!
19 km (12 mi) SSW of Kallithea (pop: 100,600) --> See nearby quakes!
19 km (12 mi) SSW of Néa Smýrni (pop: 73,100) --> See nearby quakes!
20 km (12 mi) SSW of Nikaia (pop: 89,400) --> See nearby quakes!
24 km (15 mi) SSW of Athens (pop: 664,000) --> See nearby quakes!
25 km (16 mi) ENE of Nisi Agkistri Island (pop: 1,140) --> See nearby quakes!
86 km (53 mi) SSW of Euboea Island (pop: 198,100) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
13°C (55 F), humidity: 60%, wind: 0 m/s (1 kts) from ENE
Primary data source: NOA (National Observatory of Athens)Clear Sky
13°C (55 F), humidity: 60%, wind: 0 m/s (1 kts) from ENEEstimated released energy: 4.5 x 107 joules (12.4 kilowatt hours) More info
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.
| Magnitude | Depth | Location | Source |
| 1.9 | 14 km | 16 Km ENE From Aigina, Greece | NOA |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 1.9, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
