Nisyros volcano
Stratovolcano, volcanic domes 680 m
Dodecanese Islands, Greece, 36.58°N / 27.17°E
Current status: dormant (1 out of 5)
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Dodecanese Islands, Greece, 36.58°N / 27.17°E
Current status: dormant (1 out of 5)
Nisyros webcams / live data | Reports
Nisyros volcano books | Tours
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Last update: 19 Oct 2015
Typical eruption style: Hydrothermal explosions, effusive volcano, volcano domes
Nisyros volcano eruptions: 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
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Typical eruption style: Hydrothermal explosions, effusive volcano, volcano domes
Nisyros volcano eruptions: 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
| Time | Mag. / Depth | Distance | Location |
| Wed, 15 Aug | |||
| Wed, 15 Aug 08:52 UTC | M 3.4 / 30.2 km | 43 km | 26 Km SW from Kalimnos |
| Wed, 15 Aug 08:52 UTC | M 3.4 / 137 km | 16 km | DODECANESE IS.-TURKEY BORDER REG |
| Tue, 14 Aug | |||
| Tue, 14 Aug 15:19 UTC | M 2.0 / 5 km | 18 km | ONIKI ADALAR (MEDITERRANEAN SEA) |
| Tue, 14 Aug 02:55 UTC | M 2.1 / 5 km | 14 km | ONIKI ADALAR (MEDITERRANEAN SEA) |
| Mon, 13 Aug | |||
| Mon, 13 Aug 19:57 UTC | M 1.1 / 5.6 km | 14 km | GOKOVA KORFEZI (MEDITERRANEAN SEA) |
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.
Background:
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:
 The Stephanos crater seen from Nikia village (c) |  The Stefanos crater, Nisyros Island, in spring (Photo: Tom Pfeiffer) |  Fumaroles and colored rocks at the side of the crater. (c) |
 Colorful moonscape at the Polyvotis crater. (c) |  Lonely trees looking towards neighboring Tilos island. (c) |  The inner walls of the caldera, deeply gullied by winter rains. (c) |
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Latest satellite images
3D-Image of the area of Cos & Nisyros
Threedimensional image of the caldera of Cos with its volcanoes Yali & Nisyros
