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      <br><br>Quilotoa (Spanish. Quilotoa) Is a conical volcano in Ecuador with a height of 3914 meters above sea level. Located on the border of the Eastern Cordillera ridge, 35 kilometers west-north-west of the city of Latacunga. In the center of the volcano there is a caldera about 3 in diameter, filled with a lake. Quilotoa is the westernmost volcano in the Ecuadorian Andes.<br>Physical and geographical characteristics<br> Caldera Quilotoa<br><br>Volcano Quilotoa has the shape of a truncated cone, consisting of dacite rocks. Quilotoa is located on the edge of the Eastern Cordillera ridge, 35 kilometers west-north-west of Latacunga, in the province of Cotopaxi. In the center of the volcano there is a caldera with a diameter of about 3 kilometers with steep walls that rise 400 meters above the surface of the lake up to 240 . The volume of the lake is about 0.6-0.7 km3. There are several lava domes along the perimeter of the caldera, the highest of which is 3914 meters above sea level. There are fumaroles on the shore of the lake, and there are hot springs on the eastern side of the summit.<br><br>Lake Quilotoa in the caldera is a popular tourist destination. On the southwest side, a tourist complex is organized, to which an asphalt road leads from the cities of Latacunga and Sumbaguyu (located 17 kilometers south of the volcano).<br>Eruptions<br>The last confirmed volcanic eruption dates back to 1280. The data on the time of the eruption were obtained by the method of radiocarbon analysis. The eruption had a volcanic explosiveness index (VEI) of 6. Lava flows reached the Pacific Ocean. During the eruption, about 18 km3 of magma was ejected in 4 phases. As a result of the eruption, a caldera appeared. The ash from the volcanic eruption covered an area of ​​37,000 km2, with a thickness ranging from 75 centimeters near the volcano to 1 in remote areas. After this eruption, presumably, there were several more, but the data about them are contradictory. Geological studies have shown that over the past 200,000 years, there have been at least 8 eruptions of Mount Kylotoa.<br>

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