[8] The following day, July 24, at 02:00 an hour long explosion event was recorded, scientists from the University of the West Indies Seismic Research Centre observed nothing out of the ordinary at the surface above the volcano during an overflight on 25 July, and by 18:00 no activity was recorded. The BBC is not responsible for the content of external sites. https://doi.org/10.5479/si.GVP.BGVN200111-360160. Managing Editor: Richard Wunderman. Kick 'em Jenny Alert level: YELLOW. Prof Richard Robertson, of the West Indies Seismic Research Centre (SRC) in Trinidad, said there was no indication that the increased seismic activity would generate a tsunami. to Please cite this report as: What's going on with Scottish independence? It has erupted at least a dozen times since its first recorded eruption in 1939 but has not caused any reported deaths. There’s a hidden danger for shipping. T-phase signals were also recorded at the station in Trinidad about 175 km to the S. While this was the largest eruption recorded during the December episode, it was small in comparison to those of March 1990 (BGVN 15:03). New activity/unrest: Merapi, Central Java (Indonesia) | Sabancaya, Peru | Whakaari/White Island, North Island (New... A mass stranding on the Chatham Islands in New Zealand has resulted in the deaths of over 120 whales-- 26 of which had to be euthanized, according to the Department of Conservation (DoC), which said it was notified of the event on Sunday, November 22, 2020. Loop answers some key questions: It’s an active submarine volcano that lies off Grenada’s north coast and south-west of Ronde Island in the Grenadines. For details of that and previous eruptions go to The government of Grenada has imposed a 5km exclusion zone around Kick 'em Jenny after the alert was raised to orange, which means an eruption could take place within 24 hours. Citizen scientists have discovered that the aurora-like phenomenon called STEVE or Strong Thermal Emission Velocity Enhancement has a new feature-- small, green fence-like lights streaking through the atmosphere at 1 600 km/h (1 000 mph). .css-14iz86j-BoldText{font-weight:bold;}Ships sailing in the Caribbean have been told to steer clear of an underwater volcano after it started showing increased seismic activity. It has erupted at least a dozen times since its first recorded eruption in 1939 but has not caused any reported deaths. Volcano Profile |  Tropical Cyclone "Gati" made historic landfall in Somalia on November 22, 2020, with maximum sustained winds of 170 km/h (105 mph) - category 2 hurricane equivalent on the Saffir-Simpson scale - making it the strongest storm to hit Somalia since satellite... A massive bushfire is burning across Fraser Island off Queensland's coast, scorching up to 74 km (46 miles) as of November 23, 2020-- it has covered more than half of the 122 km (76 miles) long island since it was first reported in mid-October. Smithsonian Institution. This level of alert meant that ships were not permitted to enter either of two concentric exclusion zones; the first zone was 1.5 km in radius around the volcano and the second was 5 km in radius. (adsbygoogle = window.adsbygoogle || []).push({}); Kick 'em Jenny, a historically active submarine volcano 8 km (5 miles) off the north shore of Grenada, rises 1 300 m (0.8 miles) from the seafloor. Information Contacts: John Shepard, Richie Robertson, Jan Lindsay, and Joan Latchman, Seismic Research Unit of the University of the West Indies, St. Augustine, Trinidad, W.I. Producing content you read on this website takes a lot of time, effort, and hard work. 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. 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. Remember, it's free and you can unsubscribe at any time! Kick 'em Jenny, which rises 1.3km above the seafloor on a steep slope of the Lesser Antilles ridge, is one of the most active volcanoes in the eastern Caribbean. He has refused to concede the election but says he will quit if Joe Biden's victory is confirmed. A similar event, but with a narrower spectral signature, occurred at 2123. An extreme example of this happened to a Japanese research ship south of Tokyo in 1952, which was destroyed when it sailed over the vent of the erupting Myojin-sho volcano. On 23–24 July 1939 an eruption broke the sea surface, sending a cloud of steam and debris 275 m (902 ft) into the air and generating a series of tsunamis around two metres (6.6 ft) high when they reached the coastlines of northern Grenada and the southern Grenadines. Numerous historical eruptions, mostly documented by acoustic signals, have occurred at Kick 'em Jenny since 1939, when an eruption cloud rose 275 m (902 feet) above the sea surface. Bubbles of volcanic gases can lower water density, creating a sinking hazard. Kick 'em Jenny is the only 'live' (likely to erupt again) submarine VideoWhen can I get the COVID-19 vaccine? Global Volcanism Program, 2001. Due to the observed increase in seismicity, on 12 September the Alert Level at the volcano was raised from Green ("volcano is quiet") to Yellow ("volcano is restless"). The signals lasted about 5 minutes as registered at the Mount St. Catherine station. Numerous historical eruptions, mostly documented by acoustic signals, have occurred at Kick 'em Jenny since 1939, when an eruption cloud rose 275 m (902 feet) above the sea surface. Magnitudes of the larger earthquakes increased throughout 4 December; during 0600-0700 the largest earthquake was M 2, during 0800-0900 it was M 2.4, by 1400-1500 it was M 2.7, and the maximum magnitude earthquake recorded that day, M 3, occurred around 1600. On Monday officials in Grenada issued an Orange alert for the Kick ’Em Jenny Volcano because of heightened activity and asked ships in the area to observe a 5 km/3.1 mile exclusion zone. Activities have since reduced, but there is continuous monitoring of the volcano which remains at the Yellow Level Alert -- the volcano is restless: seismicity and/or fumarolic activity are above the historical level or other unusual activity has been observed or can be expected without warning. 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. Prior to the 1939 eruption, which was witnessed by a large number of people in northern Grenada, there had been no written mention of the volcano. Increased seismicity continued through November, further increasing during 1-2 December when three small earthquakes were recorded. Submarine volcanic eruptions occurred at Kick-'em-Jenny during 4-6 December 2001. Since then Kick ‘Em Jenny has erupted several times but on a smaller scale – signs have only been seen on the surface twice since 1939, with other eruptions captured by seismographs. occurred in April 2017. Here is your earthquake safety checklist. It erupted at least 14 times since it was discovered in 1939, most recently on April 29, 2017. The larger eruptions have also been heard underwater or on land close to the volcano as a deep rumbling sound.[2]. If you value what we do here, please consider subscribing today. And scientists say an eruption could sink water vessels and shoot up hot rocks into the air. What are the rules for the new Covid tiers? The Orange Alert Level was further extended after careful scrutiny of seismograph records on 7 December showed that a short T-phase signal was generated from Kick-'em-Jenny on 6 December at 1829. be about 200m below the surface of the sea. Based on the evidence, it is clear that the mountain erupted a lot more prior to 1939. The latest activity was observed from June 5 to 12, 2020, with more than 1 300 earthquakes. The first record of the volcano was in 1939,[6] although it must have erupted many times before that date. The change in Alert Level included a reduction in boating restrictions to only include the first exclusion zone (1.5 km radius from the volcano). 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