Moderate mag. 3.9 earthquake - Ionian Sea, 81 km southwest of Zakynthos, Greece, on Tuesday, 19 Jan 2021 1:33 pm (GMT +2) -

Moderate mag. 3.9 earthquake - Ionian Sea, 81 km southwest of Zakynthos, Greece, on Tuesday, 19 Jan 2021 1:33 pm (GMT +2)

Moderate magnitude 3.9 earthquake at 8 km depth

19 Jan 11:38 UTC: First to report: NOA after 4 minutes.
19 Jan 11:40: Magnitude recalculated from 3.9 to 3.8.
19 Jan 11:52: Magnitude recalculated from 3.8 to 3.9. Hypocenter depth recalculated from 10.0 to 8.0 km (from 6.2 to 5 mi). Epicenter location corrected by 27 km (17 mi) towards SW.
19 Jan 11:58: Epicenter location corrected by 1 km (0.6 mi) towards SE.
Date & time: 19 Jan 2021 11:33:51 UTC -
Local time at epicenter: Tuesday, 19 Jan 2021 1:33 pm (GMT +2)
Magnitude: 3.9
Depth: 8.0 km
Epicenter latitude / longitude: 37.1732°N / 20.3842°E (Ionian Sea, Greece)
Nearby towns and cities:
66 km (41 mi) SW of Keri (pop: 469) --> See nearby quakes!
80 km (50 mi) SSW of Katastari (pop: 1,380) --> See nearby quakes!
81 km (50 mi) SSW of Zakynthos (pop: 11,500) --> See nearby quakes!
99 km (61 mi) SW of Arkoudi (pop: 1,310) --> See nearby quakes!
107 km (67 mi) SW of Gastouni (pop: 8,110) --> See nearby quakes!
109 km (68 mi) WSW of Pýrgos (Pirgos) (pop: 22,400) --> See nearby quakes!
110 km (68 mi) SW of Amaliada (pop: 16,800) --> See nearby quakes!
112 km (70 mi) S of Argostoli (pop: 9,820) --> See nearby quakes!
168 km (105 mi) SW of Patras (pop: 168,000) --> See nearby quakes!
308 km (192 mi) WSW of Athens (pop: 664,000) --> See nearby quakes!
121 km (75 mi) S of Kefalonia Island (pop: 34,500) --> See nearby quakes!
137 km (85 mi) S of Ithaca Island (pop: 3,210) --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds 10°C (50 F), humidity: 66%, wind: 4 m/s (7 kts) from NNE
Primary data source: NOA (National Observatory of Athens)
Estimated released energy: 4.5 x 1010 joules (12.4 megawatt hours, equivalent to 10.7 tons of TNT) More info
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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.
MagnitudeDepthLocationSource
M 3.98 km56 Km W From Strofades, GreeceNOA
M 3.95 kmIONIAN SEA, GreeceEMSC
M 3.95 kmKerion / Ionisches Meer, GreeceZAMG

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Dorking / Very weak shaking (MMI II)
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Earlier earthquakes in the same area since 1900


Map of earlier quakes

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