Mag. 3.3 earthquake - North Atlantic Ocean, 70 km northwest of Ribeira Grande, Castelo Branco, Açores, Portugal, on Wednesday, 13 Jan 2021 5:34 pm (GMT -1) -
This quake was likely an aftershock of the 5.4 quake North Atlantic Ocean, 63 km west of Ribeira Grande, Castelo Branco, Açores, Portugal, 11 Jan 2021 11:47 am (GMT -1), which had occurred 2 days earlier.
Quake Data | Interactive map | User Reports | Earlier quakes in same area | Quakes in Portugal | Azores | Lisbon
Minor magnitude 3.3 earthquake at 5 km depth
13 Jan 18:41 UTC: First to report: EMSC after 7 minutes.
I felt this quake
I didn't feel it
Local time at epicenter: Wednesday, 13 Jan 2021 5:34 pm (GMT -1)
Magnitude: 3.3
Depth: 5.0 km
Epicenter latitude / longitude: 38.82°N / 29.4°W
(North Atlantic Ocean, Portugal)Nearest volcano: Fayal (56 km / 35 mi)
Nearby towns and cities:
70 km (43 mi) WNW of Ribeira Grande (Castelo Branco) (pop: 5,200) --> See nearby quakes!
82 km (51 mi) WNW of Madalena (pop: 6,140) --> See nearby quakes!
124 km (77 mi) WSW of Santa Cruz da Graciosa (pop: 1,780) --> See nearby quakes!
167 km (104 mi) ESE of Fazenda de Santa Cruz (pop: 257) --> See nearby quakes!
175 km (109 mi) ESE of Vila do Corvo (Corvo) (pop: 250) --> See nearby quakes!
179 km (111 mi) W of Santa Barbara (pop: 1,270) --> See nearby quakes!
186 km (116 mi) W of Biscoitos (pop: 1,430) --> See nearby quakes!
190 km (118 mi) W of Angra do Heroismo (Angra do Heroísmo Municipality) (pop: 12,000) --> See nearby quakes!
203 km (126 mi) W of Praia da Vitoria (Praia da Vitória) (pop: 6,060) --> See nearby quakes!
1754 km (1090 mi) W of Lisbon (pop: 517,800) --> See nearby quakes!
66 km (41 mi) WNW of Faial Island (pop: 14,900) --> See nearby quakes!
120 km (75 mi) W of São Jorge Island (pop: 9,500) --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds
16°C (61 F), humidity: 88%, wind: 4 m/s (7 kts) from ESE
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Scattered Clouds
16°C (61 F), humidity: 88%, wind: 4 m/s (7 kts) from ESEEstimated released energy: 5.6 x 109 joules (1.56 megawatt hours, equivalent to 1.34 tons of TNT) More info
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!
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 | 5 km | AZORES ISLANDS, PORTUGAL | EMSC |
| M 3.1 | km | W Faial, Portugal | IVAR (AZO) |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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
Mag. 3.3 earthquake - North Atlantic Ocean, 70 km northwest of Ribeira Grande, Castelo Branco, Açores, Portugal, on Wednesday, 13 Jan 2021 5:34 pm (GMT -1)Click here to search our database for earlier earthquakes in the same area since 1900!
