Sentences with phrase «past eruptions of this volcano»

Past eruptions of this volcano and other Central American volcanoes had been reconstructed within the Collaborative Research Project 574.

Not exact matches

Cambridge University Press, 2011 Volcanologist Clive Oppenheimer of the University of Cambridge surveys the biggest eruptions of the past quarter of a billion years to illustrate how profoundly volcanoes have shaped our world and how we might apply the lessons of the past to managing disastrous eruptions in the future.

He says today's eruption forecasting relies on combining monitoring data with information from global volcanic databases, local knowledge of a volcano's past behavior and scientific insight based on experience.

In the past, radar images of the majority of the world's volcanoes were only acquired a few times a year, but seismological data indicate that the duration of unrest before an eruption might be as short as only a few days.

The country had already been on edge following the volcano's initial eruption this past weekend, spewing hot ash, gas and smoke into the air for several days, forcing the evacuation of more than 4,200 residents and leading to the death of a 92 - year - old woman who suffered a heart attack aboard a navy boat as she was being taken to Puerto Montt, about 125 miles (200 kilometers) north of the volcano.

«Axial volcano has had at least three eruptions, that we know of, over the past 20 years,» said Rick Murray, director of the NSF's Division of Ocean Sciences, which also funded the research.

Over the past 70 million years, the combined processes of magma formation, volcano eruption and growth, and continued movement of the Pacific Plate over the stationary Hawaiian «hot - spot» have left a long trail of volcanoes across the Pacific Ocean floor.

The Balinese volcano, the highest point on the island, has grown increasingly restless over the past week, with the alert system raised to its highest level early on Monday, as the nature of the eruptions has shifted from phreatic, or steam - based, to magmatic.

«Volcano forensics» involves a mixture of modern day monitoring and analysis of past eruptions.

Full - Day Tour: After traveling through Uga and Timanfaya National Park to see the geothermal demonstrations, follow the Route of the Volcanoes to see some of the more spectacular lava formations as your guide explains how they were formed by past eruptions.

If we take some notable volcanoes in the past 600 years (Figure 1), we can confirm that frost rings in bristlecone pines are good indicators of large explosive volcanic eruptions, similar to the known coincidence of hemispheric cooling evidenced in growth rings of European trees in the years around historically dated eruptions.

Observation of past eruptions throughout the world suggest that volcanoes can have a bit impact on weather and climate.

For example, the accumulated effect of volcanic eruptions during the past decade, including the Icelandic volcano with the impossible name, Eyjafjallajökull, may have had a greater cooling effect on the earth's surface than has been accounted for in most climate model simulations.

During a large part of the past ten thousand years, CO2 rose while temperature went up a little and down a little and we had solar cycles and volcano eruptions.

The newest phase of Kilauea volcano's ongoing eruption has opened as many as 20 new fissures on Hawaii's Big Island over the past two weeks, spewing lava and volcanic gases, forcing the evacuation of nearly 2,000 residents, and destroying dozens of homes near the town of Pahoa.

The ongoing eruption of Kilauea volcano has opened as many as 20 new fissures on Hawaii's Big Island over the past two weeks.

On the volcanoes question, they * can * release massive amounts of CO2 — it's thought that ultra-huge volcanic eruptions in the past have been responsible for unleashing warming episodes via CO2 release.

Though the world's flight hubs are now thrumming with activity as frantic efforts take place to undo the damage caused by the delays seen over the past week, the disruption may not be merely temporary as the lessons of history foretell the potential for greater disruption to air transport: the last eruption of this volcano continued sporadically from 1821 to 1823.