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Graciosa vulkaan

stratovulkaan 402 m
Azores, Portugal, Azores & Madeira, 39.02°N / -27.97°W
Current status: normal or dormant (1 out of 5) | Reports
Graciosa vulkaan boeken
Typical eruption style: Explosieve
Graciosa vulkaanuitbarstingen: 2000-4000 years ago
TijdMag. / DiepteAfstandLocatie
Tue, 15 Oct 2019
Tue, 15 Oct 03:25 UTCM 2.214 kmE Graciosa (Portugal)
Mon, 14 Oct 2019
Mon, 14 Oct 14:37 UTCM 2.015 kmE Graciosa (Portugal)
Mon, 14 Oct 14:22 UTCM 2.017 kmE Graciosa (Portugal)
Thu, 3 Oct 2019
Thu, 3 Oct 04:55 UTCM 2.228 kmW Graciosa (Portugal)
Wed, 25 Sep 2019
Wed, 25 Sep 15:48 UTCM 2.214 kmNW Sta Cruz (Graciosa) (Portugal)
Bekijk alle recente aardbevingen
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.

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

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