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Zavodovski Island

Zavodovski

Stratovolcano · United Kingdom · 551m

Steam clouds rise from fumaroles near the summit of Mount Curry, on Zavodovski Island, in this aerial view from the south. Icebergs lie off the shores of the approximately 4.5-km-wide island, the northernmost of the South Sandwich Islands. The eastern coast (right) comprises lava flows and is low-lying, contrasting with the cliffs of the west (left). Two young eruptive fissures extend NE from the summit toward craters on the east flank and were the source of a lava platform extending toward Pungent Point (right).
Steam clouds rise from fumaroles near the summit of Mount Curry, on Zavodovski Island, in this aerial view from the south. Icebergs lie off the shores of the approximately 4.5-km-wide island, the northernmost of the South Sandwich Islands. The eastern coast (right) comprises lava flows and is low-lying, contrasting with the cliffs of the west (left). Two young eruptive fissures extend NE from the summit toward craters on the east flank and were the source of a lava platform extending toward Pungent Point (right). · Photo: Photo by HMS Endurance (courtesy of John Smellie, British Antarctic Survey). · Wikimedia Commons
Type
Stratovolcano
Country
United Kingdom
Region
Antarctic-Scotia Volcanic Regions / South Sandwich Volcanic Arc
Elevation
551m
Coordinates
-56.300, -27.570
Last eruption
2016
Tectonic setting
Subduction zone / Oceanic crust (< 15 km)
Landform
Composite
Major rock type
Basalt / Picro-Basalt
Geological summary

The 5-km-wide Zavodovski Island, the northernmost of the South Sandwich Islands, consists of a single basaltic stratovolcano with two cones on the east side. Mount Curry, the island's summit, lies west of the center of the island, which is more eroded on that side. Two fissures extend NE from the summit towards the E-flank craters, and a lava platform is located along the eastern coast. The volcano was producing abundant emissions when observed in 1819 by the explorer Bellingshausen. A landing party in 1830 also reported strong emissions along with a fresh lava field on the east side from which pumice was being eroded into the ocean.

From Wikipedia

Zavodovski Island is an uninhabited volcanic island in the Traversay Islands subgroup of the South Sandwich Islands, which are located southeast of South Georgia in the South Atlantic Ocean. Zavodovski is the northernmost of the South Sandwich Islands and consists of one major stratovolcano, Mount Curry, which is surrounded to the east by a plain formed by lava flows. Mount Curry has a fumarolically active crater on the southwestern side, which also bears traces of a sector collapse. An eruption occurred in 2016.

Wikipedia · CC BY-SA · Read full article →

Eruption history

Summary (VEI over time)
Click a bar to see individual eruptions
1819~1839 · 3 eruptions · max VEI 21898~1918 · 1 eruptions · max VEI 11996~2016 · 1 eruptions · max VEI 118191858191819571996

Detailed timeline

  1. 2016VEI 1Observed
    2016-03-30 – 2016-06-15
    Summit crater
  2. 1908VEI 1Geological estimate
    1908-11 – Ongoing
  3. 1830VEI 1Geological estimate
    1830-09 – Ongoing
  4. 1823VEI 1Geological estimate
    1823 – Ongoing
  5. 1819VEI 2Observed
    1819-12 – Ongoing

External links

⚠ For reference only. Not for emergency response.