Monthly Archives: April 2016

Dive 09: Young Lava Flows

ROV Deep Discoverer has been deployed and is descending to the seafloor at a depth of ~4066m to start today’s dive. Dive 09 will explore a series of recent (2013-2015) lava flows and search for hydrothermal vents or diffuse flow … Continue reading

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Overnight Mapping

ROV Deep Discoverer is secure on deck following a successful dive today at NW Guam Seamount. The ship is currently conducting overnight mapping operations, and will dive tomorrow at a site where recent lava flows occurred and search for hydrothermal … Continue reading

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Dive 07: NW Guam Seamount

NOAA Ship Okeanos Explorer is on station and preparing to deploy ROV Deep Discoverer for Dive 08 at Northwest Guam Seamount. This extinct arc volcano is the last unexplored large arc seamount in the southern Marianas. Its summit region may … Continue reading

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Dive 07: Fina Nagu Caldera A

ROV Deep Discoverer is on the seafloor at ~2,290m exploring¬† Fina Nagu Caldera A – the youngest caldera in the Fina Nagu volcanic chain. We are currently investigating an extinct hydrothermal vent site, documenting fascinating chimney structures and the biology … Continue reading

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Dive 06: Fina Nagu Caldera C

ROV Deep Discoverer is in the water and descending to the seafloor for Dive 06 at Fina Nagu Caldera C. This dive will begin at ~2,690m and traverse up a ridge on the east caldera wall to characterize the geologic … Continue reading

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Mapping Monument Vent Sites

ROV Deep Discoverer is secure on deck following a successful dive today at Fina Nagu Caldera D. We are conducting overnight mapping operations overtop of Toto, Pika, Archaean and South Backarc – four of the hydrothermal vents that compose the … Continue reading

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Dive 05: Fina Nagu Caldera D

ROV Deep Discoverer is in the water and descending to the seafloor at ~3030m for Dive 05 at Fina Nagu Caldera D. Today’s dive will study one of the southern caldera’s of the Fina Nagu volcanic chain to better understand … Continue reading

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