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Graciosa volcano

Updated: Nov 28, 2022 23:40 GMT -
stratovolcano 402 m
Azores (Portugal), 39.02°N / -27.97°W
Current status: normal or dormant (1 out of 5)

The SE end of Graciosa, the northernmost of the central Azorean islands, contains a small 0.9 x 1.6 km caldera with active fumaroles.

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Typical eruption style: Explosive
Graciosa volcano eruptions: 2000-4000 years ago

Latest nearby earthquakes

TimeMag. / DepthDistance/Location
Sunday, November 27, 2022 GMT (1 quake)
Nov 27, 2022 7:38 pm (GMT -1) (Nov 27, 2022 20:38 GMT)
2.0

3 km
10.8 km (6.7 mi)
North Atlantic Ocean, 8.1 km east of Santa Cruz da Graciosa, Azores, Portugal

Background

The 402-m-high SE caldera rim is the high point of the small 4 x 8 km island. The caldera has been the source of eruptions producing significant tephra falls, pyroclastic flows, lahars, and lava flows. An important fumarole field is located in a volcanic cave inside the caldera, and a submarine fumarole occurs off the NW coast of Graciosa. Scoria cones erupted along several widely spaced NE-SW-trending fissures fed a youthful lava field that forms the NW end of the island. The most recent eruption from Pico Tomao, NW of the caldera, produced a lava flow that reached the eastern coast NW of the village of Praia.
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Source: Smithsonian GVP

Graciosa Photos




See also: Sentinel hub | Landsat 8 | NASA FIRMS

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