This plate boundary is very active. A debris trail from the landslide continues downslope for a distance of over 8 miles (5). However, information about any tsunami produced during these events is not available. However, during that same time interval, about 35 million cubic meters were lost through submarine landslides. An underwater volcano is rumbling beneath the Caribbean Sea. Kick 'em Jenny is neither visible nor audible until it is in full eruption so that one of the most useful volcanic monitoring techniques - visible inspection - is not possible. The volcano was unknown until an eruption in 1939 produced a small ash cloud that rose to an elevation of about 900 feet above the ocean surface. Creative Commons image with citation below. Grenada Location Map: This map shows the location of Grenada in relation to the other islands in the Caribbean Sea. Home » Volcanoes » Kick 'em Jenny Volcano. [2]. Ships on the surface will ride lower in these waters or even sink quickly when the gas-laden waters are encountered. Prior to the 1939 eruption, which was witnessed by a large number of people in northern Grenada, there had been no written mention of Kick 'em Jenny. As the volcano grows closer to the surface, the danger from explosive eruptions and tsunami risk will rise. Kick ‘em Jenny is an unusual name for a volcano, and many people are curious about its origin. St. George’s, Grenada – Sunday 14th June, 2020. Kick'em Jenny is a dangerous and active volcano sitting roughly 6,000 feet below the surface of the Caribbean Sea, and located off the coast of the island of Grenada, south of St. Lucia. Kick 'em Jenny is an active submarine volcano in the Grenadines island chain, about five miles north of the island of Grenada. [2] This speed difference is what causes the South America Plate to subduct beneath the Caribbean Plate. Kick 'em Jenny Morphology as revealed by a multi-beam survey by the NOAA Ship Ron Brown in March 2002. Similar collapse features have been found at several other volcanoes in the Lesser Antilles island arc. A horseshoe-shaped scarp (1) marks the upslope edge of an ancient landslide chute that most likely formed when a much larger cone, which probably extended above sea level, collapsed and slid off the side of the volcanic complex. T-phase waves travel through the ocean and can be produced by extruded lava reacting with the sea water, submarine landslides, shallow earthquakes, or a combination of these phenomena. Volcanic gases can also be deadly. Kick 'em Jenny is located on the eastern margin of the Caribbean Plate. After the volcano’s first known eruption in 1939, people began referring to it as “Kick ‘em Jenny” and the name stuck. Small earthquakes are common and trace the path of the descending South America Plate into the mantle and below the Caribbean Plate. The 1939 explosive eruption of Kick ‘em Jenny "generated a series of sea waves which had amplitudes of about 2 meters in northern Grenada and the southern Grenadines". [4] The remaining eleven episodes are known only from their instrument information. The National Disaster Management Agency (NaDMA) through Technical advice from the monitoring team at the University of the West Indies Seismic Research Centre St Augustine Campus Trinidad and Tobago (UWI SRC), that there have been increased seismic activity at the Kick ‘em’ Jenny Volcano. It also supports a large number of hydrothermal vents that produce hot water and gas. Kick ‘em Jenny has the potential to produce explosions that send small ash clouds high into the atmosphere. The most recent was in April 2017. Kick-'Em-Jenny) is an active submarine volcano or seamount on the Caribbean Sea floor, located 8 km (5 mi) north of the island of Grenada and about 8 km (5 mi) west of Ronde Island in the Grenadines. Kick 'em Jenny Bathymetry: Kick 'em Jenny is one cone in a small volcanic complex with several historic cones. Kick-'em-Jenny rises 1,300 m (4,265 ft) above the sea floor on the steep inner western slope of the Lesser Antilles ridge. Kick ‘em Jenny is one of the most active volcanoes in the eastern Caribbean and the only known active submarine volcano in the region.