Volcanology

Italy’s National Institute of Geophysics and Volcanology, which monitors Etna, said Sunday that cloud cover on a rainy day was impeding a view of what often is a spectacular display of flaming lava during the volcano’s not infrequent eruptions.

Lees is a professor of Earth, marine and environmental sciences who researches seismology and volcanology.

MANILA, Philippines – A 6.1 magnitude earthquake struck near Lingig, Surigao Del Sur, at 12:03 a.m. on Sunday, the Philippine Institute of Volcanology and Seismology reported.

Rescue teams have been given permission by the Philippine Institute of Volcanology and Seismology to begin the high-risk search operations, he said.

Although Kanlaon has had frequent phreatic explosions, its last magmatic eruption was recorded in 1866, according to the Philippine Institute of Volcanology and Seismology (Phivolcs).

More than 13,000 people live within a 5km radius of the northern side of the crater, Hendra Gunawan, chief of the Centre for Volcanology and Geological Hazard Mitigation, said.

Philippine Institute of Volcanology and Seismology (Phivolcs) said magnitude 4.1 earthquake rocked an hour after midnight.

SAN ANTONIO, Zambales – Eight minor earthquakes were recorded in this province in four days, based on reports from the Philippine Institute of Volcanology and Seismology (Phivolcs).

Manila, Aug 18 : A strong earthquake with a preliminary magnitude of 6.5 shook Masbate province in the Philippines on Tuesday, the Philippine Institute of Seismology and Volcanology (Phivolcs) said.

Taal’s last eruption was in 1977, Philippine Institute of Volcanology and Seismology chief Renato Solidum told AFP.

The Philippine Institute of Volcanology and Seismology (Phivolcs) lowered the alert status of Taal Volcano from Level 4 to 3 on Sunday.

The Volcanology Institute cautioned that fine ashfall could cause breathing problems, especially among young children and the elderly, and advised the public in affected areas to use face masks or wet towels to protect themselves.

The volcanology institute reminded the public that the small island where the volcano lies is a “permanent danger zone,” although fishing villages have existed there for years.

The 6.6 magnitude earthquake was caused by movement in a local fault about 7 kilometers (4.3 miles) deep about 25 kilometers northeast of Tulunan town in Cotabato province, the Philippine Institute of Seismology and Volcanology said.

As dawn broke Tuesday, the volcano continued to rattle with what Guatemala’s Volcanology Institute said were eight to 10 moderate eruptions per hour — vastly less intense than Sunday’s big blasts.

When Zierenberg taught this class in the past, one of his students was Colin Ferguson, who was an undergraduate geology major focusing on volcanology.

Both island groups are volcanic in nature, with historic volcanology and seismic activity persisting to the present time.

Volcanology Picasso crater — the large arc-shaped pit located on the eastern side of its floor are postulated to have formed when subsurface magma subsided or drained, causing the surface to collapse into the resulting void.