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News
Location of recent quakes near Nisyros Island, Greece
Thursday, Dec 13, 2012
Earthquakes have been more frequent recently at Nisyros volcano. 2 more quakes of magnitude 2.1 and 3.1 have occurred today close to the island at depths of about 10 and 20 km, respectively. [more]
Tuesday, Dec 04, 2012
A seismic swarm of 2000 microearthquakes near the island of Nisyros since 24 November could indicate a start of a or coming of a volcanic eruption near Nisyros. ... [more]

Nisyros volcano

Stratovolcano, volcanic domes 680 m
Dodecanese Islands, Greece, 36.58°N / 27.17°E
Current status: normal or dormant (1 out of 5)
Nisyros webcams / live data | Reports
Nisyros volcano books | Tours
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 eruptionsStephanos crater of Nisyros volcano
TimeMag. / DepthDistanceLocation
Sun, 21 Oct
Sun, 21 Oct 16:50 UTCM 2.0 / 20.9 km28 kmONIKI ADALAR (MEDITERRANEAN SEA)
Sat, 20 Oct
Sat, 20 Oct 19:28 UTCM 1.8 / 7.5 km26 kmONIKI ADALAR (MEDITERRANEAN SEA)
Sat, 20 Oct 15:24 UTCM 1.7 / 7.8 km30 kmMEDITERRANEAN SEA
Sat, 20 Oct 09:55 UTCM 1.8 / 4.9 km32 kmONIKI ADALAR (MEDITERRANEAN SEA)
Fri, 19 Oct
Fri, 19 Oct 08:49 UTCM 1.7 / 15.6 km45 kmDATCA ACIKLARI-MUGLA (MEDITERRANEAN SEA)
View all recent quakes
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.

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:




Nisyros volcano tours
Almonds, olives and volcanoes (8-days walking & study tour on the volcanic islands of Nisyros & Cos, Greece)

Latest satellite images

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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