Weak mag. 2.6 earthquake - Ionian Sea, 24 km northeast of Patras, Achaea, Western Greece, on Wednesday, 17 Feb 2021 4:36 am (GMT +2) -
This quake was likely a foreshock of the 5.4 quake Ionian Sea, 23 km northeast of Patras, Achaea, Western Greece, 17 Feb 2021 5:36 am (GMT +2), which followed after 60 minutes.
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Weak magnitude 2.6 earthquake at 10 km depth
17 Feb 02:40 UTC: First to report: NOA after 4 minutes.
17 Feb 02:42: Magnitude recalculated from 2.4 to 2.5.
17 Feb 05:53: Magnitude recalculated from 3.0 to 2.6. Hypocenter depth recalculated from 0.5 to 10.3 km (from 0.3 to 6.4 mi). Epicenter location corrected by 1.9 km (1.2 mi) towards SW.
17 Feb 02:42: Magnitude recalculated from 2.4 to 2.5.
17 Feb 05:53: Magnitude recalculated from 3.0 to 2.6. Hypocenter depth recalculated from 0.5 to 10.3 km (from 0.3 to 6.4 mi). Epicenter location corrected by 1.9 km (1.2 mi) towards SW.
Date & time: 17 Feb 2021 02:36:15 UTC -
Local time at epicenter: Wednesday, 17 Feb 2021 4:36 am (GMT +2)
Magnitude: 2.6
Depth: 10.3 km
Epicenter latitude / longitude: 38.3643°N / 21.958°E
(Ionian Sea, Central Greece, Greece)Nearest volcano: Sousaki (110 km / 68 mi)
Nearby towns and cities:
7 km (4 mi) NE of Kato Rodini (West Greece) (pop: 133) --> See nearby quakes!
12 km (7 mi) ESE of Nafpaktos (West Greece) (pop: 13,400) --> See nearby quakes!
17 km (10 mi) NW of Aigio (West Greece) (pop: 20,400) --> See nearby quakes!
24 km (15 mi) NE of Patras (West Greece) (pop: 168,000) --> See nearby quakes!
41 km (25 mi) WSW of Amfissa (pop: 6,850) --> See nearby quakes!
41 km (26 mi) W of Itea (pop: 4,780) --> See nearby quakes!
46 km (29 mi) E of Messolonghi (Μεσολόγγι, West Greece) (pop: 12,800) --> See nearby quakes!
56 km (35 mi) ESE of Agrinio (West Greece) (pop: 46,900) --> See nearby quakes!
72 km (45 mi) SW of Lamia (pop: 52,000) --> See nearby quakes!
160 km (100 mi) WNW of Athens (Attica) (pop: 664,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky
1.1°C (34 F), humidity: 52%, wind: 1 m/s (2 kts) from SSE
Primary data source: NOA (National Observatory of Athens)Clear Sky
1.1°C (34 F), humidity: 52%, wind: 1 m/s (2 kts) from SSEEstimated released energy: 5 x 108 joules (139 kilowatt hours, equivalent to 0.12 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 |
| 2.6 | 10.3 km | 13 Km E From Nafpaktos, 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 2.6, this quake might have been felt very close to the epicenter and under calm conditions.There are no user reports for this quake yet. If you felt it be the first to report it!
Earlier earthquakes in the same area
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