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Nisyros vulcano

Stratovolcano, volcanic domes 680 m
Dodecanese Islands, Greece, 36.58°N / 27.17°E
Stato attuale: normal or dormant (1 di 5)
Last update: 12 dic 2021
Stephanos crater of Nisyros volcano
Stephanos crater of Nisyros volcano

The small round island of Nisyros is one of the more active but less known volcanoes in Greece. It is located south of the popular beach holiday island of Kos.
The volcano is part of the Hellenic Arc, a curved line of volcanic centers which are caused by a subduction zone, and stretches from the Saronic Gulf opposite Athens via the island groups of Milos, Santorini, and Nisyros-Yali-Cos to the Bodrum peninsula at the extreme SW of Turkey.
The last eruption of Nisyros were phreatic explosions in 1881-87. They left a moonscape with colorful craters and very active fumaroles. More information about Nisyros island

Mostra la mappa interattiva
Stile eruttivo tipico: Hydrothermal explosions, effusive volcano, volcano domes
Eruzioni del vulcano Nisyros: 1881-1887 - hydrothermic explosions of the crater "Micros Polyvotis"
1500 - hydrothermic explosions
1000-2000 B.C. - hydrothermic explosions of the crater "Stefanos"
5000-10.000 B.C. - hydrothermic eruptions of the Kaminakia craters
15.000-10.000 B.C. - building of postcalderic volcano domes
15.000 B.C. - effusive eruption of the central caldera of Nisyros ("Upper pumice")
25.000 B.C. - effusive eruption of the central caldera of Nisyros ("Lower pumice")
40.000-30.000 B.C. - effusive eruption ("Kira-Formation")
150.000 B.C. - first submarin eruptions
Lastest nearby earthquakes:
Data / oraMag. / Prof.Distanza/Ubicazione
mercoledì, 18 maggio 2022 GMT (1 sismo)
18 mag 2022 20:21 (GMT +3) (18 mag 2022 17:21 GMT)
4.2

113 km
39 km (24 mi)
Mare Egeo, 69 km a sud ovest da Kos, Dodecanese, Egeo Meridionale, Grecia
venerdì, 6 maggio 2022 GMT (3 sismi)
6 mag 2022 19:41 (GMT +3) (6 mag 2022 16:41 GMT)
2.8

15 km
37 km (23 mi)
Mare Egeo, 73 km a sud da Kos, Dodecanese, Egeo Meridionale, Grecia
6 mag 2022 17:05 (GMT +3) (6 mag 2022 14:05 GMT)
2.5

3.1 km
37 km (23 mi)
Mare Egeo, 74 km a sud da Kos, Dodecanese, Egeo Meridionale, Grecia
6 mag 2022 17:01 (GMT +3) (6 mag 2022 14:01 GMT)
2.5

9.8 km
37 km (23 mi)
Mare Egeo, 73 km a sud da Kos, Dodecanese, Egeo Meridionale, Grecia

Sfondo

Nisyros is together with the volcanoes of the Cos caldera the east edge of the Aegean Arch with its active volcanoes Methana, Milos, Santorini. The Nisyros volcano is the most active remain of the Cos caldera that exploded aprox. 150.000 years ago. Nisyros, Yali, Strongyli, Pyrgoussa, Pahia and Kefalos (at Cos) are the remains of a zone that is considered to be still active. A Magma chamber below Nisyros is only 3-4 km deep and still rising up. Since 2000 when the Nisyros research program of the GEOWARN-Team started, the temperatures of the fumaroles have been changing from 98 C to 103 C in 2004. There was also a high tectonic (earthquakes) activity in the last years and so a program to prevent volcanic hazards is still ongoing.

Nisyros Photos

Hot drops of sulfuric acid at a fumarole of Stefanos crater on Nisyros volcano, Greece (Photo: Tobias Schorr)
Hot drops of sulfuric acid at a fumarole of Stefanos crater on Nisyros volcano, Greece (Photo: Tobias Schorr)
The Stephanos crater seen from Nikia village (Nisyros volcano, Greece)  (Photo: Tom Pfeiffer)
The Stephanos crater seen from Nikia village (Nisyros volcano, Greece) (Photo: Tom Pfeiffer)
Ancient, corinthian columns on the acropolis Paliocastro at Mandraki/Nisyros (Photo: Tobias Schorr)
Ancient, corinthian columns on the acropolis Paliocastro at Mandraki/Nisyros (Photo: Tobias Schorr)
Spring flowers in front of the ancient castle Paliocastro at Mandraki/Nisyros. (Photo: Tobias Schorr)
Spring flowers in front of the ancient castle Paliocastro at Mandraki/Nisyros. (Photo: Tobias Schorr)
 



See also: Sentinel hub | Landsat 8 | NASA FIRMS

3D-Image of the area of Cos & Nisyros

Threedimensional image of the caldera of Cos with its volcanoes Yali & Nisyros
Threedimensional image of the caldera of Cos with its volcanoes Yali & Nisyros
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