Sentences with phrase «by volcanic activity»

It was created by volcanic activity which started less than 10 million years ago.

They're typically formed from by volcanic activity and can reach 1,000 metres high.

This time around the virus will be spread by volcanic activity throughout the countryside.

The Little Ice Age was driven by volcanic activity.

Essentially, a mountain is formed underwater by volcanic activity.

Biologist Sonja Wedmann, then at the Institute of Paleontology at the University of Bonn, analyzed the fossil after it was dug up from oil shale deposits in what was once a small lake formed by volcanic activity.

«The ring width may also be influenced by volcanic activity on Mount Etna and in other volcanic regions,» speculates Seiler.

Decisions need to be informed by a current characterization of the debris blockage damming the lake, current meteorological trends, a quantification of risks posed by volcanic activity on Spirit Lake water levels, and site - specific quantitative seismic analysis conducted at the debris blockage and the sediment retention structure.

Second place went to Northeast Syrtis, which used to be warmed by volcanic activity.

Some of the most romantic sights on the island are the hilltop monuments such as Molyvos Castle, and the Petrified Forest, which was petrified by volcanic activity millions of years ago.

It was probably uplifted not by volcanic activity, but by faulting, many submarine lava flows can be seen on the island.

The data showed that, in comparison to today, the Atlantic Ocean surface circulation was much weaker during the Little Ice Age, a cool period thought to be triggered by volcanic activity that lasted from 1450 - 1850.

The meteorite is made of volcanic rock, and the presence of water in it suggests that crustal rocks on Mars interacted with surface water that was delivered by volcanic activity, near - surface reservoirs or by impacting comets, Agee says.

The limestone had been baked solid by volcanic activity about 100 million years after the sea creature lived, Brusatte says.

From the fossil and sediment records, Tarduno and his team were able to conjecture that the bird's environment in the Canadian Arctic during the Turonian age would have been characterized by volcanic activity, a calm freshwater bay, temperatures comparable to those in northern Florida today, and creatures such as turtles, large freshwater fish, and champsosaurs — now - extinct, crocodile - like reptiles.

The team is studying coral reefs next to natural seeps where carbon dioxide bubbles are made by volcanic activity under the seabed.

To celebrate Mars Express» 10th anniversary at Mars in 2013, the team & released several global maps showing where minerals have been formed by water and where minerals have been distributed by volcanic activity.

Ultimately, MICHI on the TMT will be able to measure the spatial variation of SO2 on Io both meridionally (with latitude) and zonally (with longitude), but critically as a function of local time and during Jupiter eclipses that are both strong functions of frost sublimation, and will allow us to determination of how much of Io's atmosphere is supported purely by sublimation and how much by volcanic activity.

Macdonald then asked if aerosols emitted by volcanic activity could be responsible for the rapid lowering of temperatures.

The largest of these islands, Fraser Island was formed as the sand was deposited over what was once a low, hilly terrain formed millions of years ago by volcanic activity.

The islands were formed during the Cretaceous era by volcanic activity that created ragged formations, ideal places to shelter life.

Michael Connolly is a Hawai`i - based artist whose work is inspired by volcanic activity, hot rod flames, and graphic novels.

Anthony, if you plot hurricane frequency alongside or above the UAH temperature data you also get a very good visual corellation, especially the last 10 years when air temps have not been impacted by volcanic activity.

This is the main reason I consider Climate Change a scam, because you can not use this data tainted by volcanic activity and dismiss volcanic activity altogether, you can't have it both ways.

Overall, Foster and Rahmstorf find that ENSO has the largest impact on short - term temperature variations, followed by volcanic activity, with solar irradiance a distant third.

The global science community still isn't entirely sure what caused the repeated cycles — there may have been larger oceans in the northern hemisphere that powered a hydrological cycle (evaporation, condensation, precipitation), or shorter cycles could've been caused by volcanic activity or asteroid / comet impacts.

Although not a typical crater formed by volcanic activity, the gigantic Haleakala Crater was created by erosion of the entire volcanic mountain top and is one of the most famous features of the park.

The site where Loki is heavily influenced by volcanic activity, but actually quite low in temperature,» says Steffen Jørgensen from the University of Bergen in Norway, who was involved in taking the samples where Loki was found.

In addition, the waters around these volcanoes are warmed by the volcanic activity, creating an exciting species rich area amidst the cold Southern Ocean, potentially containing species new to science.

This forest is located 12 kilometres from Sigri and was petrified by volcanic activity.

The best global view of the heavily cratered surface of Mercury — a mosaic of more than 140 images snapped by Mariner 10 in March 1974 — reveals expansive plains that may have been created by volcanic activity.

Iceland makes an ideal test site because the ground beneath the island nation is 90 percent basalt, which is formed by volcanic activity.

Smaller earthquakes can also be caused by volcanic activity, landslides, mine blasts, and nuclear tests.

Geologists have long believed that these minerals were formed by volcanic activity, but in a new study, researchers from McGill University in Canada argue that the silica - rich minerals may have been deposited in the crust of a young Earth by «silicate rain.»

The two rocky outcrops, on Fraser's eastern beach, were formed by volcanic activity 80 million years ago.

The former region was formed by volcanic activity and has many associated geological features, such as lava tubes and craters that fill with spring water.

During the journey, take in fairytale castles and see many of the dramatic rock formations created by volcanic activity.

Fenais da Luz (27 holes) Ténis Sport Complexe in Fajã de Cima Go Kart Nautical Sports Windsurf, Canoe, Oar, Sailing, Jet Ski Radical Sports High mountain climbing; Rappel / slide; Wave Ski; Paintball Natural Pool Created by volcanic activity and, with clear waters which are constantly renovated.

The underwater landscape was formed by volcanic activity and very close to shore the bottom drops to more than 300m.

Formation of these coral atolls was accomplished through years of coral buildup rather than by volcanic activity - the more common mechanism of atoll formation.

The unique ecology of the area, formed by volcanic activity, has shaped a diver's paradise un... MORE

Many of our neighboring Caribbean islands have volcanoes and were formed by volcanic activity; however, there are no volcanoes on St. Croix.