phreatic eruption

During the 19th and 20th century, small phreatic eruptions occurred.

On May 16 and 17, the mountain stopped its phreatic eruptions completely.

The lakes have been a source of minor phreatic eruptions in historical time.

More recently, there was a phreatic eruption in 1766 that deposited ash over a wide area.

According to eyewitness, phreatic eruptions continued after the large collapse at least twice.

Mild phreatic eruptions of Tacaná took place in historical times.

It has seen activity ranging from phreatic eruptions to ash flows.

Phreatic eruptions occur when rising magma makes contact with ground or surface water.

Small, phreatic eruptions occurred frequently during this phase, averaging 100-160 explosions per day.

Since 1772, only small phreatic eruptions were recorded before an explosive eruption that began in November 2002.

The summit produces occasional phreatic eruptions that can coat the ice with ash.

Phreatic eruptions occurred during the major 1933 earthquake.

They are different from magmatic and phreatic eruptions.

Officials from the Ministry of Mines and Energy reported a phreatic eruption.

In September 1985, as earthquakes and phreatic eruptions rocked the area, local officials began planning for an evacuation.

The only unambiguous historical eruption was a small phreatic eruption in 1880.

Kerinci is more active than most Indonesian volcanoes, with nearly annual phreatic eruptions.

These structures were subsequently destroyed by either collapse or steam explosions (see phreatic eruption).

Phreatic eruptions typically include steam and rock fragments; the inclusion of lava is unusual.

Phreatic eruptions produced local tephras during the early Holocene.

Often a precursor of future volcanic activity, phreatic eruptions are generally weak, although there have been exceptions.

The top of the lava dome is cut by fissures where mild phreatic eruptions have taken place in recent historical times.

At some point the subsurface magma will produce phreatic eruptions and lahars.

This event is believed to be a relatively small phreatic eruption that resulted in the collapse of a lava dome.

It occurred at a flank vent and was a phreatic eruption, which produced lahars.