phreatic eruption उदाहरण वाक्य
उदाहरण वाक्य
- The Quaternary age Gas Rocks dacite domes some three km to the northeast were the site of a phreatic eruption some 2300 years ago.
- Four major phreatic eruptions have occurred during the past 5, 000 years, two of them in historical time, in 806 and 1888.
- Other signs of a forthcoming eruption included increased fumarole activity, deposition of sulfur on the summit of the volcano, and small phreatic eruptions.
- Increased fumarole activity, deposition of sulfur on the summit of the volcano, and phreatic eruptions also alerted geologists to the possibility of an eruption.
- On 18 November 2013 Mount Merapi burst smoke up to 2, 000 meters high, one of its first major phreatic eruptions after the 2010 eruption.
- In the 1870s it was deep; after a phreatic eruption nearby in 1880, the lake disappeared and formed a fountain of hot water and steam.
- He surmised that phreatic eruptions do not exhibit an acceleration in deformation before taking place and left after confirming that the volcano's monitoring system functioned properly.
- Kilauea, in Hawaii, has a long record of phreatic explosions; a 1924 phreatic eruption hurled rocks estimated at eight tons up to a distance of one kilometer.
- Another phreatic eruption lowered the lake level by some from December 2004 to April 2005; later the lake level rose again, refilling the lake in just one day.
- Further advisories were given to low-flying aircraft against the dangers of sudden phreatic eruptions, and to local residents near rivers and streams in case of lahar flows.