Sentences with phrase «volcanic eruption occurs»

for validation: Exact predictions of rises in global temperatures, and multiple falsifications (every time a large volcanic eruption occurs).

During one of Otto's training sessions, a volcanic eruption occurs indicating that someone has broken the chains that have been restraining the golems.

By contrast, volcanic eruptions occurring in the 2,000 years before that can not be dated reliably, while the dates of even older volcanic events can be determined relatively accurately using the C14 method.

The latest volcanic eruption occurring on Jeju Island was volcanic activity known to have spewed around 7,000 years ago at Mt. Songak.

In Jeju, Korea, a place emerging as a world - famous vacation spot with natural tourism resources, a recent study revealed a volcanic eruption occurred on the island.

To the North there are black sand volcanic beaches, the color of which is the result of volcanic eruptions occurring hundreds and thousands of years ago.

McGuire conducted a study that was published in the journal Nature in 1997 that looked at the connection between the change in the rate of sea level rise and volcanic activity in the Mediterranean for the past 80,000 years and found that when sea level rose quickly, more volcanic eruptions occurred, increasing by a whopping 300 percent.

During this period three major volcanic eruptions occurred: Mount Agung in Indonesia in 1963, El Chichón in Mexico in 1982, and Mount Pinatubo in the Philippines in 1991.

Lesson 1 - Plate Tectonics Lesson 2 - Mid-Ocean Ridges Lesson 3 - Deep - Sea Corals Lesson 4 - Subduction Zones Lesson 5 - Chemosynthesis and Hydrothermal Vent Life Lesson 6 - Deep - Sea Benthos Lesson 7 - Water Cycle Lesson 8 - Ocean Currents Lesson 9 - Ocean Waves Lesson 10 - Tides Lesson 11 - Energy from the Oceans Lesson 12 - Food, Water, and Medicine from the Sea Lesson 13 - Hurricanes Lesson 14 - Seamounts An average of 2,000 strong earthquakes and large volcanic eruptions occur every year all around the world.

Not exact matches

Catastrophes can be caused by various natural events, including, among others, hurricanes, tornadoes and other windstorms, earthquakes, hail, wildfires, severe winter weather, floods, tsunamis, volcanic eruptions and other naturally occurring events, such as solar flares.

Benca irradiated 18 - inch - tall, bonsai - like pines with UV - B dosages up to 13 times stronger than on Earth today, simulating the effects of ozone depletion caused by immense volcanic eruptions that occurred at the end of the Permian Period.

This may have occurred when around 70 — 75,000 years ago the Toba caldera in Indonesia underwent a category 8 or «mega-colossal» eruption on the Volcanic Explosivity Index.

Acid rain can occur naturally after volcanic eruptions, forest fires and other events that release sulfur dioxide into the atmosphere.

Acid rain following the impact may also have played a role in the extinction, as could the additional stress on global climate from the massive volcanic eruptions that occurred 65 million years ago in India's Deccan Traps.

«Massive Antarctic volcanic eruptions linked to abrupt Southern hemisphere climate changes: New findings explain synchronous deglaciation that occurred 17,700 years ago.»

The height of exploration may have occurred at the peak of cooling: Starting in the late 16th century, a series of volcanic eruptions likely chilled the Northern Hemisphere by as much as 1.8 degrees Celsius below the long - term average, White says.

De Natale said that information obtained from sensors placed inside the wells will help to understand the «bradyseism» — the rising and falling of Earth's surface resulting from the movement of magma inside a caldera — occurring in the Campi Flegrei area and to find out whether there is a connection between this phenomenon and volcanic eruptions.

In 1939, leading Greek archaeologist Spyridon Marinatos pinned the blame on a colossal volcanic eruption on the island of Thera, about 70 miles north of Crete, that occurred about 1600 B.C..

Volcanic activity can spawn earthquakes or result in the release of steam or other gases before an eruption even occurs.

On July 18, 2012, passengers on an airline flight over the Southwest Pacific Ocean glimpsed something unusual — a raft of floating rock known as pumice that indicated an underwater volcanic eruption had occurred on the seafloor northeast of New Zealand.

By simulating past summers — instead of relying solely on observations — the scientists established a large range of temperatures that could have occurred naturally under the same conditions, including greenhouse gas concentrations and volcanic eruptions.

The professor continues: «This information means that we can determine the probability of an explosive volcanic eruption of a certain size to occur.

As a result, they have established that the formation of Earth's crust, volcanic super eruptions and mineral deposits occur under very specific yet different conditions.

Many monogenetic volcanic fields occur in high - density, populated areas and tourist destinations (e.g. Canary Islands, Auckland City, Mexico City, Izu - Tobu volcanic field), and thus even a small eruption can have a major economic and societal impact.

It warned that if a similar eruption occurred, it could send rocks bigger than fist - size up to 8 km (5 miles) from the summit and volcanic gas to a distance of 10 km (6 miles) within three minutes.

«The challenge is how to use these data efficiently and how to integrate them with models in order to have a deeper understanding of what occurs beneath the volcano and what drives the eruption so that we can determine near - real - time and accurate predictions of volcanic unrest.»

Last summer, we found small pieces of volcanic glass in a cave that might be from an eruption that occurred in Indonesia nearly 70,000 years ago.

Most of the continent's known volcanic eruptions have occurred along this subduction zone as well.

Volcanoes can — and do — influence the global climate over time periods of a few years but this is achieved through the injection of sulfate aerosols into the high reaches of the atmosphere during the very large volcanic eruptions that occur sporadically each century.

The short - term variations are dominated by ENSO but also can be influenced by large tropical volcanic eruptions (such as occurred in 1963, 1982 and, markedly, 1991), so the years after those eruptions are anomalously cool.

The United States Geological Survey said that precursors to volcanic eruptions include rapid ground deformation and strong earthquake swarms, which typically occur days to weeks before the actual eruption.

Most homeowner policies cover direct damages that result from volcanic eruptions, but do not cover floods or earthquakes that occur as a separate event, or in the aftermath of a volcanic eruption.

The grottos formed 890 thousand years ago from a volcanic eruption that occurred in Paul da Serra.

The last significant volcanic eruption, the Capelinhos volcano (Vulcão dos Capelinhos), occurred off the coast of the island of Faial in 1957; the most recent volcanic activity occurred in the seamounts and submarine volcanoes off the coast of Serreta and in the Pico - São Jorge Channel.

The lines in the canyon walls depict different volcanic eruptions and lava flows that have occurred over the centuries.

The last major eruption occurred in 1986, with little burps of volcanic ash also occurring every so often.

In Costa Rica: Arenal Volcano emits small volcanic explosions every few minutes, with larger eruptions occurring occasionally.

The lines in the Waimea Canyon walls depict different volcanic eruptions and lava flows that have occurred over the centuries.

For those curious about the pronounced dips in the future scenarios here they are responses to Pinatubo - scale volcanic eruptions that are assumed to occur at a reasonable frequency over the course of the next century.

Nature does not remain the same with slow and immediate changes occurring, from ice ages to volcanic eruptions.

-- change, not stability, is the defining characteristic of the global climate, with naturally occurring events (e.g., volcanic eruptions, earthquakes, tsunamis) much more likely to affect climate than anything humans do

Thus, Victor the Troll, to contradict all that you wrote @ 221, «the dissipation of aerosols from any given eruption IS caused by a lack of volcanic activity,» and global temperatures CAN «rise above (the) level» «they would have been had the volcanoes not occurred» because the impact of previous volcanism would have also dissipated in the interval.

In fact, it is possible to have some frost rings without any evidence of explosive volcanism, presumably occurring due to extremes in local weather, but, as shown above, they do seem to record large volcanic eruptions in recent times very well indeed.

In other words, if we are after a cause (or causes) for the temperature increase during the period in question, the presence or absence of aerosols from volcanic eruptions is beside the point, because they can not explain any increase in temperatures that occurred prior to any cooling effect they might have had.

Siberian Flood Basalts — MIT: About 252 million years ago, the largest mass extinction and the largest volcanic eruptions in Earth history occurred apparently synchronously.

The Minoan eruption of Thera (modern Santorini), the largest volcanic eruption in recorded history, occurred in the Bronze Age, the late 17th century BC; the classic «Little Ice Age» began at the beginning of the 14th century AD and lasted until the mid-18th century.

Their causes range from completely unpredictable events like volcanic eruptions (which have mainly local effects) to more regular phenomena such as «El Niño» (a warming of the surface waters of the tropical Pacific that occurs every three to five years, temporarily affecting weather world - wide).

Volcanic eruptions have episodically interfered with healing, particularly during 2015, when a record October ozone hole occurred after the Calbuco eruption.»

The models currently assume a generally static global energy budget with relatively little internal system variability so that measurable changes in the various input and output components can only occur from external forcing agents such as changes in the CO2 content of the air caused by human emissions or perhaps temporary after effects from volcanic eruptions, meteorite strikes or significant changes in solar power output.

Hmm, something during search: Mega-colossal eruptions Even more extreme eruptions have occurred in Earth's past — eruptions ten times more powerful than the Tambora eruption, earning a ranking of 8 out of 8 on the Volcanic Explosivity Index (VEI).