An attempt to control an advancing lava flow...

occurred in January-July 1973 in Heimaey, Iceland, where a short-lived eruption of Eldfjell volcano nearly closed the tiny fishing harbor.

View of Heimaey and harbor from northern flank of Eldfjell volcano.

View of Heimaey and harbor from northern flank of Eldfjell volcano.

Hiking the recent lava flow towards Eldfjell volcano in the mist.

Hiking the recent lava flow towards Eldfjell volcano in the mist.

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View of Surtsey (erupted in 1963) from the bridge.

View of Surtsey (erupted in 1963) from the bridge.

Surtsey volcano in the Vestmannaeyjar archipelago off southern Iceland.

Surtsey volcano in the Vestmannaeyjar archipelago off southern Iceland.

Exploring Iceland...

Orca pod welcoming committee in the Denmark Strait between Greenland and Iceland.

Orca pod welcoming committee in the Denmark Strait between Greenland and Iceland.

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Entrance to sub-glacial ice tunnel on Langjokull glacier, Iceland.

Entrance to sub-glacial ice tunnel on Langjokull glacier, Iceland.

Exploring the excavated ice tunnel within Langjokull glacier.

Exploring the excavated ice tunnel within Langjokull glacier.

Hraunfossar waterfall, with groundwater emerging from a lava flow into a glacial meltwater stream.

Hraunfossar waterfall, with groundwater emerging from a lava flow into a glacial meltwater stream.

Exploring Longyearbyen...

for four days, the northernmost town on Earth.

Searching the glacial moraine with Ida and Ryan for Paleocene plant fossils.

Searching the glacial moraine with Ida and Ryan for Paleocene plant fossils.

Me at the headworks to coal mine 2B above town.

Me at the headworks to coal mine 2B above town.

Inside the headworks at mine 2B.

Inside the headworks at mine 2B.

Exploring the coal mining headworks with Cobus and Blackjack.

Exploring the coal mining headworks with Cobus and Blackjack.

Svalbard poppy enjoying the short summer bloom.

Svalbard poppy enjoying the short summer bloom.

Final views of Svalbard...

Lilliehöökbreen glacier complex

Lilliehöökbreen glacier complex

Calving front of Lilliehöökbreen glacier

Calving front of Lilliehöökbreen glacier

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Bearded seal on ice.

Bearded seal on ice.

Atlantic puffin waving hello.

Atlantic puffin waving hello.

Barnacle geese with a chick (in nest, far right).

Barnacle geese with a chick (in nest, far right).

Exploring the edge of sea ice, approximately 81 degrees north latitude.

Exploring the edge of sea ice, approximately 81 degrees north latitude.

Landing at Hamburgbukta, northeast coast of Svalbard.

Landing at Hamburgbukta, northeast coast of Svalbard.

Scenes from Svalbard...

Landing site at Kapp Lee.

Landing site at Kapp Lee.

Slumbering walrus.

Slumbering walrus.

Landing site at Bolthodden.

Landing site at Bolthodden.

Spectacular alpine geology.

Spectacular alpine geology.

Remains of Swedish-Russian “Arc of the Meridian Project” base from 1899.

Remains of Swedish-Russian “Arc of the Meridian Project” base from 1899.

Tidewater glacier in Bellsund.

Tidewater glacier in Bellsund.

Remains of beluga whale hunting camp.

Remains of beluga whale hunting camp.

Well maintained Norwegian hunter/trapper cabin at Bamsebu.

Well maintained Norwegian hunter/trapper cabin at Bamsebu.

The mast at Ny Alesund where Roald Amundsen launched his balloon in 1926.

The mast at Ny Alesund where Roald Amundsen launched his balloon in 1926.

Geological buffet of various rock on a recessional moraine.

Geological buffet of various rock on a recessional moraine.

Sun flare in Isfjorden.

Sun flare in Isfjorden.

Jan Mayen is a remote and rocky outpost...

in the Norwegian Sea, a volcanic hot spot on which the most northern active volcano on Earth is found.

View on approach.

View on approach.

Beerenberg volcano, rising to 2,277 m (7,470 feet) above sea level.

Beerenberg volcano, rising to 2,277 m (7,470 feet) above sea level.

M/V Sea Spirit  at anchor.

M/V Sea Spirit at anchor.

An extraordinarily happy geologist, five months and nine days into “retirement.”

An extraordinarily happy geologist, five months and nine days into “retirement.”

Farewell to the Faroes...

as we continue to travel north across the Arctic Circle and towards Spitsbergen in the Svalbard archipelago.

The Faroe Islands are a pile of Paleogene-age basalts, deeply cut by magnificent fjords.

The Faroe Islands are a pile of Paleogene-age basalts, deeply cut by magnificent fjords.

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