Sentence examples for eruption about from inspiring English sources

Phillipson et al., (2013) find that the median duration of pre-eruptive unrest captured by monitoring networks varied significantly between different types of volcanoes, with pre-eruptive unrest at complex volcanoes lasting an average of just two days before eruption, about a month at stratovolcanoes and > 2 months at shield volcanoes and calderas.

It was formed by a volcanic eruption about 8,000 years ago, so it's like a mountain in reverse: 1,943 feet deep, the deepest in the country.

"Grand understatement," he said dryly, noting that he still remembers press coverage from before the 2004 same-sex marriage eruption about shooting stars of the Democratic Party.

The eruption, about 39 miles north-west of the Tongan capital, Nuku'alofa, began on Monday, shooting rocks, steam and ash thousands of feet into the air.

On the south side are lava formations of various ages, including the longest continuous lava tube in the 48 conterminous U.S. states, which formed during an eruption about 2,000 years ago.

One particularly large eruption, about 28 million years ago, left in its wake a huge caldera, or crater-like basin, about 15 km in diameter and about 2 km above sea level.

From our sample of 194 eruptions we find that about 80% of VALs fall into the categories 'Missed' (Category 1; 76 eruptions, 39% ) and 'Too Late' (Category 2; 76 eruptions, 39% ), about 14% as 'Almost' (28 eruptions), and only about 5% can be classified as 'Timely' (10 eruptions; 5% ) (Figure 2A).

The latest eruption began about 4 30 p.m. in the city's South Ward.

The volume of lava in the 1914 eruption was about 1.5 km3 (Ishihara et al.1981), and the flow covered the channel between the Sakurajima and Kyushu Islands.

Subplinian eruptions producing about, such as those of 472 and 1631, have been more frequent with a few hundred years between them.

Bill Rose and Craig Chesner of Michigan Technological University have estimated that the total amount of material released in the eruption was about —about of ignimbrite that flowed over the ground, and approximately that fell as ash mostly to the west.