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A volcanic bomb or lava bomb is a mass of partially molten rock larger than 64 mm (2.5 inches) in diameter, formed when a volcano ejects viscous fragments of lava during an eruption. Because volcanic bombs cool after they leave the volcano, they are extrusive igneous rocks. Volcanic bombs can be thrown many kilometres from an erupting vent, and ...
As an experience, madness is terrific I can assure you, and not to be sniffed at; and in its lava I still find most of the things I write about. It shoots out of one everything shaped, final, not in mere driblets, as sanity does. And the six months—not three—that I lay in bed taught me a good deal about what is called oneself. [148]
Name origin: Named by Henry D. Washburn September 18, 1870; 154 years ago (): Location: Upper Geyser Basin Yellowstone National Park Teton County, Wyoming, U.S.: Coordinates: 1]: Elevation: 7,349 ft (2,240 m) [2]: Type: Cone geyser: Eruption height: 106 to 185 ft (32 to 56 m): Frequency: 60 to 90 minutes: Duration: 1½ to 5 minutes: Discharge: 3,700–8,400 US gal (14,000–32,000 L): Old ...
Italy's Mount Etna shot lava into the sky on Sunday, 12 November, spewing ash high over the Mediterranean island of Sicily. According to Italy's National Institute of Geophysics and Volcanology ...
The second-largest volcano in Hawaii had been lying dormant for the last two months after bursting open in January and June this year. “The opening phases of eruptions are dynamic,” said USGS ...
Shoot and scoot: a type of fire-and-movement tactic used by artillery to avoid counter-battery fire. Siege: a military blockade of a city or fortress with the intent of conquering by force or attrition, often accompanied by an assault in the later phase.
A spinning fire vortex spotted on video Friday among the flames in a raging Pacific Palisades wildfire looks similar to a tornado, but scientists are still examining whether it was a rare fire ...
The crater again contained an active lava lake between 2008 and 2018, with the level of the lava usually fluctuating between 20 and 150 meters below Halemaʻumaʻu's crater floor, though at times the lava lake rose high enough to spill onto crater floor. The lava lake drained away in May 2018 as new volcanic vents opened in lower Puna. The ...