Light mag. 3.3 earthquake - 1.4 km east of Istiaia, Euboea, Central Greece, on Sunday, 3 Jan 2021 11:15 am (GMT +2) -
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Light magnitude 3.3 earthquake at 12 km depth
3 Jan 09:21 UTC: First to report: EMSC after 6 minutes.
3 Jan 09:40: Magnitude recalculated from 3.2 to 3.3. Hypocenter depth recalculated from 2.0 to 12.0 km (from 1.2 to 7.5 mi). Epicenter location corrected by 2.1 km (1.3 mi) towards WNW.
3 Jan 09:41: Now using data updates from NOA
3 Jan 09:40: Magnitude recalculated from 3.2 to 3.3. Hypocenter depth recalculated from 2.0 to 12.0 km (from 1.2 to 7.5 mi). Epicenter location corrected by 2.1 km (1.3 mi) towards WNW.
3 Jan 09:41: Now using data updates from NOA
Date & time: 3 Jan 2021 09:15:22 UTC -
Local time at epicenter: Sunday, 3 Jan 2021 11:15 am (GMT +2)
Magnitude: 3.3
Depth: 12.0 km
Epicenter latitude / longitude: 38.9561°N / 23.1688°E
(Euboea, Central Greece, Greece)Nearest volcano: Sousaki (113 km / 70 mi)
Nearby towns and cities:
1 km (1 mi) E of Istiaia (pop: 4,340) --> See nearby quakes!
15 km (9 mi) NE of Loutra Aidipsou (pop: 2,560) --> See nearby quakes!
49 km (31 mi) SSE of Volos (Thessaly) (pop: 86,000) --> See nearby quakes!
51 km (32 mi) SSE of Nea Ionia (Magnesia, Thessaly) (pop: 32,700) --> See nearby quakes!
63 km (39 mi) NNE of Livadeia (Levádhia) (pop: 21,500) --> See nearby quakes!
64 km (40 mi) E of Lamia (pop: 52,000) --> See nearby quakes!
66 km (41 mi) NW of Chalkida (pop: 59,100) --> See nearby quakes!
71 km (44 mi) N of Thebes (pop: 22,000) --> See nearby quakes!
100 km (62 mi) SE of Larissa (Thessaly) (pop: 144,700) --> See nearby quakes!
119 km (74 mi) NNW of Athens (Attica) (pop: 664,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Few Clouds
13.9°C (57 F), humidity: 71%, wind: 3 m/s (6 kts) from W
Primary data source: NOA (National Observatory of Athens)Few Clouds
13.9°C (57 F), humidity: 71%, wind: 3 m/s (6 kts) from WEstimated released energy: 5.6 x 109 joules (1.56 megawatt hours, equivalent to 1.34 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 3.3 | 12 km | Greece | NOA |
| M 3.2 | 2 km | GREECE | EMSC |
User reports for this quake (1)
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Evia (23.4 km SSE of epicenter) [Map] / Light shaking (MMI IV) : Walls little shacking
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