Light mag. 4.0 earthquake - Eastern Mediterranean, 11 km southeast of Kattavia, Greece, on Friday, 1 Jan 2021 6:36 pm (GMT +2) -
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in Greece| South Aegean | Attica

Light magnitude 4.0 earthquake at 40 km depth
1 Jan 16:40 UTC: First to report: EMSC after 4 minutes.
Date & time: 1 Jan 2021 16:36:22 UTC -
Local time at epicenter: Friday, 1 Jan 2021 6:36 pm (GMT +2)
Magnitude: 4
Depth: 40.0 km
Epicenter latitude / longitude: 35.9°N / 27.87°E

Nearest volcano: Nisyros (98 km / 61 mi)
Nearby towns and cities:
11 km (7 mi) ESE of Kattavia (pop: 307) --> See nearby quakes!
25 km (16 mi) SSW of Lardos (pop: 1,350) --> See nearby quakes!
36 km (23 mi) S of Embonas (pop: 1,060) --> See nearby quakes!
41 km (26 mi) SSW of Archangelos (Archaggelos) (pop: 5,400) --> See nearby quakes!
63 km (39 mi) SSW of Ialysos (Ialisos) (pop: 11,500) --> See nearby quakes!
67 km (42 mi) SSW of Rhodes (pop: 56,100) --> See nearby quakes!
74 km (46 mi) NE of Karpathos (pop: 2,240) --> See nearby quakes!
80 km (49 mi) S of Symi (pop: 2,350) --> See nearby quakes!
122 km (76 mi) SSE of Kos (pop: 19,200) --> See nearby quakes!
435 km (270 mi) ESE of Athens (pop: 664,000) --> See nearby quakes!
34 km (21 mi) SSW of Rhodes Island (pop: 115,300) --> See nearby quakes!
Weather at epicenter at time of quake:
Broken Clouds
16.7°C (62 F), humidity: 73%, wind: 2 m/s (3 kts) from S
Primary data source: EMSC (European-Mediterranean Seismological Centre)Broken Clouds

Estimated released energy: 6.3 x 1010 joules (17.5 megawatt hours, equivalent to 15.1 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 4.0 | 40 km | DODECANESE ISLANDS, GREECE | EMSC |
M 3.9 | 63 km | 23 Km SE From Katavia, Greece | NOA |
M 4.3 | 49 km | Dodecanese Islands, Greece | GFZ |
M 3.9 | 25 km | RODOS ADASI (MEDITERRANEAN SEA), Greece | KOERI-RETMC |
M 3.9 | 50 km | Kattavia / Sporaden, Greece | ZAMG |
M 4.0 | 10 km | Mediterranean Sea, 499 Km N of Marsa Matruh, Greece | ENSN |
User reports for this quake (1)
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Plati Gialos Kalymnos / Very weak shaking (MMI II) : Couple of seconds vibrating
Earlier earthquakes in the same area since 1900
- Date / time UTC| Mag |Depth|Age|Distance| Details
- 09 Jul 1956 03:11| 7.7 |20km / 12.4mi|65 years ago|191km / 119mi| Aegean Sea, 19 km S of Amorgos, Nomos Kykladon, South Aegean, Greece
- 25 Apr 1957 02:25| 7.3 |35km / 22mi|64 years ago|93km / 58mi| Eastern Mediterranean, 46 km SW of Fethiye, Muğla, Turkey
- 09 Feb 1948 12:58| 7.3 |15km / 9.3mi|73 years ago|71km / 44mi| 15 km N of Karpathos, Dodecanese, South Aegean, Greece
- 24 Apr 1957 19:10| 7.1 |35km / 22mi|64 years ago|108km / 67mi| Eastern Mediterranean, 27 km SE of Sarigerme, Ortaca, Muğla, Turkey
- 26 Jun 1926 19:46| 6.9 |15km / 9.3mi|95 years ago|130km / 81mi| Aegean Sea, 16 km SW of Kéfalos, Dodecanese, South Aegean, Greece
- 18 Mar 1926 14:06| 6.8 |15km / 9.3mi|95 years ago|149km / 93mi| Eastern Mediterranean, Turkey, 15 km SW of Hypsili Island, Greece
- 13 Aug 1922 00:09| 6.7 |15km / 9.3mi|99 years ago|70km / 44mi| Eastern Mediterranean, 36 km SE of Karpathos, Dodecanese, South Aegean, Greece
- 20 Jul 2017 22:31| 6.6 |11km / 6.8mi|4 years ago|122km / 76mi| Aegean Sea, 11 km SE of Bodrum, Muğla, Turkey
- 15 Jul 2008 03:26| 6.4 |52km / 32mi|13 years ago|11km / 7mi| Eastern Mediterranean, 19 km SE of Kattavia, Dodecanese, South Aegean, Greece
- 14 Jan 1969 23:12| 6.4 |25km / 16mi|52 years ago|123km / 76mi| Eastern Mediterranean, 30 km SW of Kalkan, Antalya, Turkey
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