Sentences with phrase «large eruptions»

But what happens when a much, much large eruption occurs?

Would we then experience a «year without a summer», as has happened after other large eruptions?

It produces large eruptions every 50 to 100 years with an average of 80 years between eruptions.

We need better records of size and occurrence if we are to predict future large eruptions more accurately.

The puffs occurred approximately once every three hours; after about 12 hours, a much larger eruption of material began, apparently eased out by the smaller - scale explosions.

There is close agreement on the timing of large eruptions in the various compilations of historic volcanic activity, but large uncertainty in the magnitude of individual eruptions (Figure 6.13).

Such large eruptions are however rare, in fact, the phrase «once in a blue moon» probably comes from the change in the atmosphere caused by ash plumes from the eruption of Krakatoa in 1883.

A much larger eruption occurred three days later.

These forcing factors constitute additional elements that could drive variability in the future, particularly volcanic aerosols following large eruptions [59,60].

However, when a particularly large eruption occurs, the release of material can often be a billion tonnes or more spewing out from the sun's interior at over 2,500 kilometers per second (5,500 mph).

However, NASA spacecraft detected a much larger eruption last weekend on the backside of the sun headed away from Earth, generating a much faster - moving cloud.

Large eruption columns inject ash particles and sulfur - rich gases into the troposphere and stratosphere and these clouds can circle the globe within weeks of the volcanic activity.

Those analyses suggested that large eruptions indeed reduced the rainfall needed to trigger fall floods along the lower Nile.

«We take this increased subsidence in the caldera of Bardarbunga volcano very seriously, due to a possible large eruption and glacial flood,» said Vidir Reynisson, Department Manager at Iceland's Civil Protection Department.

Two more large eruptions (in the years 540 and 547) helped render the 540s the coldest decade in more than 2300 years, with an average temperature of about 11.8 °C (53.2 °F), researchers report today in Nature Geoscience.

Large eruptions cough up tons of the element.

The sunspot's magnetic field is currently crackling with sub-X-class flares that could grow into larger eruptions as the sunspot continues to turn toward Earth.

[Response: Certainly, failed monsoons, etc. appear to be one significant impact of very large eruptions, but the effect is a bit mercurial.

Hi Alexi, No, that is pretty consistent with what I mean, I meant we would see global spikes if large eruptions like Pinatubo dwarfed anthropogenic emissions.

In the past, large eruptions at Mount Pinatubo in the Philippines and El Chichón in Mexico have caused global dips in surface temperature of as much as 0.3 °C (0.54 °F).

I excluded years which were strongly influenced by the El Chichón (1983 — 1985) and Mount Pinatubo (1992 — 1994) volcanic eruptions (because large eruptions release particulates into the atmosphere which cause a strong short - term cooling), and looked at the temperature trends in each of the three categories (Figure 1).

Previous studies have shown that this is partially caused by the number of large eruptions over the last decade that have sent sulfur gasses high up into the stratosphere.

There is close agreement on the timing of large eruptions in the various compilations of historic volcanic activity, but large uncertainty in the magnitude of individual eruptions (Figure 6.13).

EOMAR researchers are modeling the global distribution of sulfur particles following large eruptions

But, if there's a particularly large eruption or the frequency of smaller eruptions increases there can be an extended deviation above the average (I think size on its own can matter more because of the altitude of injection?).

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

It said that a larger eruption is possible.

Although the Havre event was larger than the 1980 eruption of Mount St. Helens, a similar type of volcano that shot a huge column of debris into the air, the seafloor data weren't indicative of such a large eruption.

Small eruptions that erupt less than one cubic kilometre of material occur very frequently (daily to yearly), whilst the largest eruptions that erupt hundreds of cubic kilometres of material are infrequent, with hundreds of thousands of years between them.

By September 2006, the largest eruption site reached a peak, and enough mud gushed on the surface to fill 72 Olympic - sized swimming pools daily.

About 74,000 years ago, a colossal volcano in Sumatra named Toba blew its top in the largest eruption to occur anywhere on Earth in the past 2 million years.

In September 1730, a large eruption in the Timanfaya volcano (Canary Islands, Spain) completely changed the morphology of Lanzarote.

The largest eruption in modern times, which also occurred in Indonesia, is yet to come on this list.

«My biggest worry is that a large eruption would create an enhanced hazard to aircraft and their passengers,» he says.

The frequency of easy - to - see features — like sunspots on the sun's visible surface, solar flares and the larger eruptions of coronal mass ejections — cycles, too.

«The potential for a larger eruption is imminent,» it said, referring to a visible glow of magma at Mount Agung's peak overnight, and warning residents to evacuate a danger zone at a radius of 8 - 10 km (5 - 6 miles).

Then a large eruption shot the crystals in a stream of water or ice out into space, where they picked up their striking blue color.

But large eruptions, creating vast lava flows in some cases thousands of square miles in area, were thought to be rare.

«We are using Io as a volcanic laboratory, where we can look back into the past of the terrestrial planets to get a better understanding of how these large eruptions took place, and how fast and how long they lasted,» Davies said.

«We are using Io as a volcanic laboratory, where we can look back into the past of the terrestrial planets to get a better understanding of how these large eruptions took place, and how fast and how long they lasted,» states Davies.