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News
Location of the past days' earthquakes on Sao Miguel island
Tuesday, Feb 13, 2018
An earthquake swarm has been going on since Monday (12 Feb 2018) in central Sao Miguel island. ... [meer...]
 

Furnas vulkaan

stratovulkaan 805 m
Sao Miguel Island, Azores, 37.76°N / -25.33°W
Current status: normal or dormant (1 out of 5)
Furnas webcams / Live-gegevens | Reports
Furnas vulkaan boeken | Tours | Places to stay
Last update: 22 Aug 2019 (seismic unrest in central Sao Miguel Island)
Typical eruption style: Explosieve
Furnas vulkaanuitbarstingen: 1439 and 1443 and another in 1630
TijdMag. / DiepteAfstandLocatie
Mon, 7 Oct 2019
Mon, 7 Oct 05:20 UTCM 2.113 kmFossa da Povoacao (Portugal)
Sun, 6 Oct 2019
Sun, 6 Oct 02:16 UTCM 1.18 kmSSW Povoacao (S. Miguel) (Portugal)
Sat, 5 Oct 2019
Sat, 5 Oct 22:58 UTCM 1.47 kmSW Povoacao (S. Miguel) (Portugal)
Furnas volcano lies at the eastern end of Sao Miguel Island, immediately west of the older Nordeste shield volcano and its Povoaçao caldera.

Background:

Furnas contains at least two calderas, a younger one that is 6-km wide and a larger older one that is less topographically distinct. The eastern wall of the 500-m-deep caldera of Furnas overlaps the western wall of the Povoaçao caldera of Nordeste volcano. Volcanic activity at Furnas dates back about 100,000 years. At least 11 trachytic pumice layers, all erupted during the past 5000 years, post-date the caldera. The most prominent post-caldera feature is the Pico do Gaspar lava dome, east of the Lagoa das Furnas caldera lake. A zone of late-Pleistocene to Holocene basaltic-to-trachytic cinder cones and lava domes is located between Furnas and Agua de Pau volcanoes. Two historical eruptions have occurred at Furnas, one sometime between 1439 and 1443 and the other in 1630. The latter was one of the largest Holocene explosive eruptions in the Azores and caused significant damage and fatalities.
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Source: Smithsonian GVP

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