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Published Thursday, April 16,
2020
Eruption
registered at Rincón de La Vieja Volcano By the A.M. Costa Rica staff At 03:06 a.m. Wednesday, an eruption was recorded at the Rincón de la Vieja Volcano located in Guanacaste Province by the specialists of the Volcanological and Seismological Observatory. According to specialists, the high concentration of fog did not allow the recording of the height reached by the gas column or the duration of the eruption. The eruption could only be registered by the earthquake signal instruments and the report of people from the near communities about lahars, also known as mudflows, that fell through the Pénjamo, Quebrada Azufrada and Azul rivers, which are located in the area of the volcano. ![]() This is the second gas eruption from the volcano this week. On Monday there were recorded two volcano eruptions. First was the Turrialba Volcano, located in Cartago Province, and after that the Rincón de la Vieja Volcano. In the case of the Turrialba Volcano, since Sunday night, there have been high temperatures and a considerable outflow of gases and steam, reported Guillermo Alvarado of the National Emergency Commission. According to Alvarado, the eruption emitted a lot of steam and gas or exhalation activity, which was accompanied by high temperatures. This was not an ash eruption. He added that the eruption of gas without ash in the volcano has been a normal process since 2010. Before this eruption, a 3.3-magnitude earthquake was reported Sunday afternoon with an epicenter 4.5 km northeast of the Turrialba Volcano which may have been the cause of the outflow of gases, experts said. The second eruption released gas and vapor fumes from Rincón de la Vieja Volcano at 2:50 a.m. on Monday. In this case, neither the ash fall nor the sulfur smell was reported, the specialists said. Inside the volcano, there was a registered notable shaking with variable amplitude and occasional low-frequency and low-amplitude volcanic earthquakes. "Significant degassing was observed at the top, with a column of gas and water vapor rising to 500 meters. There is no significant deformation of the volcano's walls," reported specialists from the Volcanological and Seismological Observatory of Costa Rica. Costa Rica has active volcanoes, which is why it is important to be alert, have an emergency plan, know evacuation routes and safe places in case of a volcanic eruption, recommended the specialists of the Emergency Commission. As was previously reported, more Rincón de La Vieja Volcano eruptions were registered in January to make the National Emergency Commission declare a green alert. The alert was mainly for the districts of Aguas Claras and Dos Ríos, both communities of the canton of Upala located in Guanacaste, due to the eruption of the nearby volcano. According to the report of the Volcanological and Seismological Observatory, on Thursday, Jan. 30, at 12:13 p.m. the mountain spewed out a column that rose 2,000 meters above the crater's height and 3,916 meters above sea level. According to the commission, the regions at risk are those that are located in areas where mudflows from the volcano may descend. "Those in the communities are requested to stay away from riverbeds because mudflows can continue to descend," said the commission in its alert. According to the specialists, there was also liquid material that fell from the volcano down to the Penjamo River and Zanjonuda River after the eruption. Also, people living in the communities of Buenos Aires and Gavilán reported a perceived strong odor of sulfur. According to the observatory specialists, the eruption was classified at level 3, where gas hazards, water table eruptions and lahars are associated. "The last phreatic eruption was recorded on Jan. 2 at 23:18," the Observatory said in its statement. "The seismicity increased, the background tremor was amplified and the frequency of short tremors intensified with several swarms." Access to the volcano was closed due to continuous eruptions. ------------------------ Should the authorities create an evacuation plan for the communities nearest to those two volcanoes? We would like to know your thoughts on this story. Send your comments to news@amcostarica.com |
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