Sentences with phrase «pyroclastic flows»

The largest of them occurred in the late 6th century, and is believed to have generated pyroclastic flows — that of hot gas, ash and rocks blown out of a volcano — reaching at least 50 kilometers from Rabaul.

Pyroclastic flows and material thrown from the volcano tragically killed 78 people living in the nearby communities of Arenal and Pueblo Nuevo.

Most of the recent activity has been on the north flanks, where lava and pyroclastic flows have stripped the mountain of vegetation.

Worst possible scenario involves pyroclastic flows — currents of hot gas and rock moving at 70 miles per hour

Volcanologists warn that the main hazards of a large eruption are hot and fast - moving avalanches of rocks, dust and gas that can not be outrun, known as pyroclastic flows, as well as mudflows and ashfall.

«I've skipped all other reading in favor of this enthralling world of loyalty, betrayal, and pyroclastic flows.»

The combined effects of pyroclastic flows, volcanic ashes and tsunamis had disastrous results in the region.

According to Babad Lombok, records of the island written on palm leaves in Old Javanese, Samalas erupted catastrophically before the end of the 13th century, devastating surrounding villages — including Lombok's capital at the time, Pamatan — with ash and fast - moving sweeps of hot rock and gas called pyroclastic flows.

Scientists are now watching to see whether the volcano repeats the violent eruptions of 1963, when superheated gases and volcanic material raced down the mountain in a series of pyroclastic flows, killing more than 1000 people.

One possibility is that the eruption column of hot volcanic ash, gas and rock fragments now extending into the sky above the summit could collapse into what's called a pyroclastic flow and race down the flanks of the mountain.

And the flows can travel at incredibly high speeds down the sides of a volcano; an estimate of the average speed of the pyroclastic flow down the slopes of Mount Saint Helens in Washington State during its 1980 eruption (also Plinian) was around 230 kilometers per hour.

After a wave of hot gas and ash, called a pyroclastic flow, engulfed nearby Pompeii and killed those left in the city, more layers of ash from the eruption buried the buildings and bodies.

The mountain erupted on 3 June, sending a pyroclastic flow 4.5 kilometers from the crater.

«The magma that originally erupted from the supervolcano had about 1,400 ppm lithium in it,» said Benson, describing a red - hot pyroclastic flow of pumice, ash, crystals, and rock that spread for 50 miles in all directions.

The Pompeii and circumstance of billowing ash, earthquakes, flaming meteors, tsunami, and pyroclastic flow (look it up) finally adds some liveliness to otherwise steady genericalness, but the poignancy - free special - effects spectacle isn't insanely intense, as it should be, instead evoking green screens and video games.

The volcano last erupted in 1963, during which a pyroclastic flow released from its crater damaged several villages nearby.

It also involved a pyroclastic flow - a dangerous fast - moving hot cloud of gas, ash and volcanic matter.

Players race a car down a mountain to escape a roaring pyroclastic flow, dodge toppling buildings during a devastating earthquake and swim for their lives in a raging flood.

Dr Kamata also points out that the ash, lava flow, and the entire picture of violence such as pyroclastic flow, and how the mountain body collapsed should be used for the prevention of future disasters, using the method of hazard maps.

Not exact matches

For the following 40 years, Arenal Volcano has regularly produced pyroclastic surges sending rivers of lava flowing down its impressive cone - shaped sides.

For 42 years, Arenal Volcano was Costa Rica's most active volcano with flowing lava and pyroclastic surges that blasted huge rocks and cauliflower - shaped ash clouds into the air.