Esmeralda Bank
15°00′N 145°15′E / 15.00°N 145.25°E
Esmeralda Bank is a submarine volcano around 37 km west of Tinian Island of the Northern Mariana Islands in the Pacific Ocean. It is located at the southern end of the Mariana Arc. It has three summit cones lying along a north–south line. The highest peak is about 43 meters below the sea surface and has a caldera about 3 kilometers wide and several parasitic cones on the edge of the caldera. Sulfur boils and water discoloration have been observed at the site of the volcano, attributed to either eruptions or fumarolic activity.[1][2][3]
Last Known Activity
On May 26, 1987, a pilot observed violently bubbling and discolored water over Esmeralda Bank.[4]
References
- ^ Program, Volcano Hazards. "USGS: Volcano Hazards Program NMI Esmeralda Bank". volcanoes.usgs.gov. Retrieved 2018-06-15.
- ^ "Mariana Volcanic Chain: Esmeralda Bank Volcano". oceanexplorer.noaa.gov. Retrieved 2018-06-15.
- ^ "A volcanic cruise through the Mariana Islands: Part 2". Eruptions. Retrieved 2018-06-15.
- ^ "Global Volcanism Program | Report on Esmeralda Bank (United States) — August 1987". doi:10.5479/si.gvp.sean198708-284210.
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