Major magnitude 6.7 earthquake - North Atlantic Ocean, 71 km east of Santa Maria Island, Portugal, on Monday, May 8, 1939 at 01:46 (GMT)
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Major magnitude 6.7 earthquake at 10 km depth
Depth: 10.0 km
Epicenter latitude / longitude: 37.166°N / 24.344°W↗ (North Atlantic Ocean, Portugal)
Antipode: 37.166°S / 155.656°E↗
Nearest volcano: Furnas (109 km / 68 mi)
Nearby towns and cities:
67 km (42 mi) ENE of Santa Barbara (pop: 405) --> See nearby quakes!
103 km (64 mi) SE of Senhora do Rosario (pop: 4,940) --> See nearby quakes!
103 km (64 mi) SE of Povoação (pop: 2,160) --> See nearby quakes!
114 km (71 mi) ESE of Vila Franca do Campo (pop: 5,040) --> See nearby quakes!
115 km (72 mi) SE of Fenais da Ajuda (pop: 1,130) --> See nearby quakes!
126 km (78 mi) ESE of Lagoa (pop: 14,400) --> See nearby quakes!
133 km (83 mi) ESE of Ponta Delgada (pop: 20,100) --> See nearby quakes!
296 km (184 mi) SE of Praia da Vitoria (Praia da Vitória) (pop: 6,060) --> See nearby quakes!
302 km (187 mi) ESE of Angra do Heroismo (Angra do Heroísmo Municipality) (pop: 12,000) --> See nearby quakes!
406 km (252 mi) ESE of Horta (pop: 6,570) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 7.1 x 1014 joules (197 gigawatt hours, equivalent to 1.7 x 105 tons of TNT or 10.6 atomic bombs!) 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.
|6.7||10 km||Azores Islands region (Portugal)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Recorded aftershocks, latest first (0 quakes)
So far, no aftershocks have been registered.