Light mag. 3.4 earthquake - Aegean Sea, 8.9 km east of Nisida Agios Fokas Island, Peloponnese, Greece, on Friday, 22 Jan 2021 3:46 am (GMT +2) -
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Light magnitude 3.4 earthquake at 9 km depth
22 Jan 01:50 UTC: First to report: EMSC after 3 minutes.
22 Jan 01:52: Now using data updates from NOA
22 Jan 02:54: Hypocenter depth recalculated from 10.0 to 8.9 km (from 6.2 to 5.5 mi). Epicenter location corrected by 3.5 km (2.2 mi) towards S.
22 Jan 02:56: Epicenter location corrected by 2 km (1.3 mi) towards WSW.
22 Jan 01:52: Now using data updates from NOA
22 Jan 02:54: Hypocenter depth recalculated from 10.0 to 8.9 km (from 6.2 to 5.5 mi). Epicenter location corrected by 3.5 km (2.2 mi) towards S.
22 Jan 02:56: Epicenter location corrected by 2 km (1.3 mi) towards WSW.
Date & time: 22 Jan 2021 01:46:44 UTC -
Local time at epicenter: Friday, 22 Jan 2021 3:46 am (GMT +2)
Magnitude: 3.4
Depth: 8.9 km
Epicenter latitude / longitude: 36.5941°N / 23.1618°E
(Aegean Sea, Greece)Nearest volcano: Methana (110 km / 68 mi)
Nearby towns and cities:
11 km (7 mi) E of Kastella (pop: 11) --> See nearby quakes!
15 km (10 mi) SE of Gefyra (pop: 1,300) --> See nearby quakes!
36 km (23 mi) SE of Molaoi (pop: 3,020) --> See nearby quakes!
53 km (33 mi) ESE of Skala (pop: 2,820) --> See nearby quakes!
84 km (52 mi) SE of Sparta (Sparti) (pop: 16,200) --> See nearby quakes!
87 km (54 mi) S of Kranidi (pop: 4,010) --> See nearby quakes!
106 km (66 mi) ESE of Kalamata (pop: 54,100) --> See nearby quakes!
122 km (76 mi) SSE of Argos (pop: 22,200) --> See nearby quakes!
123 km (77 mi) SE of Tripoli (pop: 26,600) --> See nearby quakes!
162 km (101 mi) SSW of Athens (pop: 664,000) --> See nearby quakes!
115 km (72 mi) W of Milos Island (pop: 4,980) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds
13.5°C (56 F), humidity: 72%, wind: 7 m/s (14 kts) from WSW
Primary data source: NOA (National Observatory of Athens)Overcast Clouds
13.5°C (56 F), humidity: 72%, wind: 7 m/s (14 kts) from WSWEstimated released energy: 7.9 x 109 joules (2.21 megawatt hours, equivalent to 1.9 tons of TNT) 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 |
| M 3.4 | 8.9 km | 15 Km SE From Monemvassia, Greece | NOA |
| M 3.5 | 5 km | SOUTHERN GREECE | EMSC |
| M 3.4 | 27 km | YUNANISTAN, Greece | KOERI-RETMC |
User reports for this quake (1)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
