906 ft). The NASA Deep Phreatic Thermal Explorer (DEPTHX) project used the sinkhole as a testbed for robotic hardware being developed to explore the Jovian moon...

The Deep Phreatic Thermal Explorer (DEPTHX) is an autonomous underwater vehicle designed and built by Stone Aerospace, an aerospace engineering firm based...

searching techniques, and simplifies mission planning. The Deep Phreatic Thermal Explorer (DEPTHX) The Arctic Gakkel Vents Expedition (AGAVE) The Arctic...

doi:10.1111/j.1462-2920.2010.02324.x. PMID 20738374. DEPTHX (DEep Phreatic THermal eXplorer) Archived 2015-11-22 at the Library of Congress Web Archives...

to melt. However, no actual eruption was observed. In 2015, two large phreatic (steam) eruptions on the morning of August 14 marked a new phase of volcanic...

to the southwest and was accompanied by a plinian eruption. Four major phreatic eruptions have occurred during the past 5,000 years, two of them in historical...

followed for 15 years.: 220–221  The eruptions of this period were likely phreatic (steam explosions). Josiah Parrish in Champoeg, Oregon witnessed Mount...

magma into Miocene salt deposits and subsequent hydrothermal activity. Phreatic eruptions took place here in 1926, forming Dallol Volcano; numerous other...

deeply into his work: the production of gravel from dolomite rock, the construction of public fountains in Mamers and the detailed study of phreatic groundwater...

was approximately 49 metres (161 ft) deep. Meanwhile, the temperature of the lake's surface, as measured by a thermal camera, generally measured between...

of UK cave diving; the systematic exploration of a cave system in its phreatic zone by diving both the resurgence and its tributaries. During the war...

interactions between rising magma and groundwater or surface water during phreatic eruptions formed exceptionally fine ash that reduced the permeability of...

major segment known as the Southern Explorer Ridge, along with other smaller segments, such as the Northern Explorer Ridge. With a depth of 1,800 metres...