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Νίσυρος Volcano

Updated: 28 Μαρτίου 2024 18:22 GMT -
Stratovolcano, volcanic domes 680 m
Dodecanese Islands, Greece, 36.58°N / 27.17°E
Current status: normal or dormant (1 out of 5)
Last update: 10 Mar 2024
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.

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Typical eruption style: Hydrothermal explosions, effusive volcano, volcano domes
Νίσυρος 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

Latest nearby earthquakes

ΏραMag. / ΒάθοςΑπόσταση / Τοποθεσία
19 Μαρ 12:35 (Athens)
19 Μαρ 10:35 GMT
1.3

7 km
22 km νότια Αιγαίο Πέλαγος, Ελλάδα, 23 km νότια από Nisí Nísyros , Νότιο Αιγαίο Περ.
Δευτέρα, 18 Μαρτίου 2024 GMT (1 σεισμός)
18 Μαρ 07:36 (Athens)
18 Μαρ 05:36 GMT
2.1

2.1 km
19 km βορειοδυτικά Greece: 8 Km SE from Kefalos Kos Περ.
Κυριακή, 17 Μαρτίου 2024 GMT (1 σεισμός)
17 Μαρ 09:01 (Athens)
17 Μαρ 07:01 GMT
2.9

121 km
29 km δυτικά 16 Km Sw From Kefalos Kos Περ.
Παρασκευή, 15 Μαρτίου 2024 GMT (1 σεισμός)
15 Μαρ 15:25 (Athens)
15 Μαρ 12:25 GMT
2.4

13 km
13 km νότια Dodecanese Is.-turkey Border Reg Περ.

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.

Latest satellite images

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Νίσυρος Volcano Tours
Nisyros Island (Greece)
Almonds, Olives and Volcanoes
8-day geo and walking tour on the volcanic islands of Nisyros & Kos, Greece
7 nights / 8 days - Moderate
Price 1690 €
14-21 Sep 2024
Thu, 13 Dec 2012, 11:05

Nisyros volcano (Dodecanese Islands, Greece) activity update

Location of recent quakes near Nisyros Island, Greece
Σεισμοί έχουν πιο συχνές πρόσφατα στο ηφαίστειο Νίσυρος. 2 περισσότερες quakes μεγέθους 2.1 και 3.1 έχουν συμβεί σήμερα κοντά στο νησί, στα βάθη της σχετικά με το 10 και 20 km, αντίστοιχα. ... Read all
Tue, 4 Dec 2012, 10:33

Earthquake swarms could indicate eruption near Nisyros, Greece

Μια σεισμική σμήνος των microearthquakes 2000 κοντά το νησί της Νίσυρος δεδομένου ότι 24 Νοεμβρίου μπορεί να υποδηλώνουν μια αρχή ενός ή προέρχονται από μια ηφαιστειακή έκρηξη κοντά Νίσυρος. ... Read all

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