Volcanic Eruptions

Report by Court Commissioner on Ghazipur landfill and waste to energy plant at the landfill, 29/03/2025

Report by Court Commissioner in OA No 481 of 2024 News item titled "Major fire erupts at Delhi's Ghazipur landfill site smoke engulfs region" appearing in the Hindustan Times, April 21, 2024. The report was dated March 29, 2025. The report was in compliance of NGT order, March 7, 2025. …

Specific hazards: handbook on geospatial decision support in ASEAN countries

This reference manual provides in-depth knowledge on the techniques, methodologies and best practices for using geospatial information in support of decision making for disaster risk management for specific hazards. Space-based information can significantly enhance disaster emergency response and preparedness and producing and using such information is critical for evidence-based decisionmaking. …

Atlas of the human planet 2017 -- how exposed are we to natural hazards?

One out of 3 people in the world is exposed to earthquakes, a number which almost doubled in the past 40 years; around 1 billion in 155 countries are exposed to floods according to the Atlas European Commission Joint Research Centre One out of three people in the world is …

Estimating the frequency of volcanic ash clouds over northern Europe

Fine ash produced during explosive volcanic eruptions can be dispersed over a vast area, where it poses a threat to aviation, human health and infrastructure. Here, we focus on northern Europe, which lies in the principal transport direction for volcanic ash from Iceland, one of the most active volcanic regions …

Mexican Volcano Violently Expels Ash 3 Miles Into Sky, Frightening Locals

The Popocatépetl volcano in Mexico has been under observation since it violently spewed ash vertically into the air, startling locals. The explosion reached more than five kilometers above the volcano's crater and spread plumes of ash, reaching small towns and villages on the outskirts of the volcano. According to Mexico's …

Extended chronology of the Cordón Caulle volcanic eruption beyond 2011 reveals toxic impacts

Aside of immediate impacts, the 2011 Puyehue–Cordón Caulle volcano (PCC) eruption also caused persisting chemical impacts. By 2012, toxicity resulted in overt dental fluorosis in deer, with bone fluoride increasing > 38-fold to 5175 ppm. Sheep, horses and cattle also succumbed to fluorosis. Due to eolian redeposition of tephra, exposure …

Hundreds brought down from slopes of erupting volcano in Indonesia

Hundreds of climbers have been brought down safely from the slopes of an Indonesian volcano that erupted this week, the disaster agency said on Thursday, although the fate of several daredevil tourists who declined to leave was not clear. More than 1,000 tourists including 639 foreigners were in Mount Rinjani …

Costa Rica Volcano Rumbles On

SAN JOSE – The Turrialba volcano in central Costa Rica continued to emit gas and ash on Tuesday, forcing the airport that serves the capital city of San Jose to remain closed. Aeris, the company that manages Juan Santamaria International Airport, was expected to announce later Tuesday whether the terminal …

Volcano erupts on the island of Reunion

The Piton de la Fournaise volcano on the Reunion Island erupted on Sunday (September 11), a surprise treat for some lucky 250 locals and tourists who happened to be hiking on trails nearby. Onlookers gazed from a cliff as molten lava reaching heights of up to 30 meters spewed from …

Quantifying lahar damage using numerical modelling

Volcanic mudflows, called 'lahars', can cause large amounts of damage to buildings. In this research we have developed a method to estimate lahar induced building damage based on the height, speed and amount of volcanic material in the lahar. This method was applied to a small region in Arequipa, Peru, …

Iceland's Katla volcano hit by unusually large earthquakes

Two unusually large earthquakes hit one of Iceland's biggest volcanoes early on Monday, raising concerns of a possible eruption, the Icelandic Met Office said. The Katla volcano has not erupted properly since 1918 and scientists say it is overdue to do so, although an eruption could still be decades away. …

Turmoil at Turrialba Volcano (Costa Rica): Degassing and eruptive processes inferred from high-frequency gas monitoring

Eruptive activity at Turrialba Volcano (Costa Rica) has escalated significantly since 2014, causing airport and school closures in the capital city of San José. Whether or not new magma is involved in the current unrest seems probable but remains a matter of debate as ash deposits are dominated by hydrothermal …

Is the detection of accelerated sea level rise imminent?

Global mean sea level rise estimated from satellite altimetry provides a strong constraint on climate variability and change and is expected to accelerate as the rates of both ocean warming and cryospheric mass loss increase over time. In stark contrast to this expectation however, current altimeter products show the rate …

Volcano in Kyushu erupts with 5,000-meter plume

The Sakurajima volcano in Kyushu Japan had an explosive eruption early Tuesday, spewing volcanic ash 5,000 meters into the sky, the Japan Meteorological Agency said. It is the first eruption projecting to such an altitude since August 2013 for the volcano within kilometers of downtown Kagoshima, a city of 606,000 …

Using video games for volcanic hazard education and communication: an assessment of the method and preliminary results

This paper presents the findings from a study aimed at understanding whether video games (or serious games) can be effective in enhancing volcanic hazard education and communication. Using the eastern Caribbean island of St. Vincent, we have developed a video game – St. Vincent's Volcano – for use in existing …

Role of volcanic and anthropogenic aerosols in the recent global surface warming slowdown

The rate of global mean surface temperature (GMST) warming has slowed this century despite the increasing concentrations of greenhouse gases. Climate model experiments show that this slowdown was largely driven by a negative phase of the Pacific Decadal Oscillation (PDO), with a smaller external contribution from solar variability, and volcanic …

Italy's Mount Etna volcano erupts again

Italy's Mount Etna, Europe's highest and most active volcano, has once again erupted, spewing red torrents of lava into the sky. Wednesday's eruption was short but explosive, with bubbling lava filling one of the craters the whole day. There was still some sporadic activity on Thursday. Mountain guides working on …

Natural disasters since 1900 have claimed 8 million lives, cost $7 trillion: researchers

VIENNA – Natural disasters have caused more than $7 trillion in economic damage worldwide since 1900, with floods and storms accounting for nearly 60 percent of the total, researchers said Monday. The death toll from such natural calamities — which also include earthquakes, volcanoes, droughts, heat waves and wildfires — …

Alaska volcano erupts with massive ash cloud, diverting flights

A volcano on the Alaska Peninsula erupted with little advanced warning over the weekend, spewing an ash cloud up to 20,000 feet (6,096 meters) high that prompted aviation warnings across the region, scientists said on Monday. Mount Pavlof, one of the most active volcanoes on the peninsula, began erupting shortly …

Alaska volcano 'abruptly erupts' and sends ash 20,000ft into the sky

Pavlof Volcano, located on the Aleutian Islands, is one of the most active in the region. A volcano on a remote Alaskan island has "abruptly erupted" - sending plumes of ash more than 20,000ft into the air and triggering a flight warning. The Pavlof Volcano, located on the Aleutian Islands, …

Alaska Volcano Erupts, Sends Ashes 20,000 Feet High

A volcano in the Alaskan Aleutian Islands erupted on Sunday afternoon, sending ashes to 20,000 feet in the air. The U.S. Geological Survey (USGS) reports that the Pavlof Volcano, situated at about 600 miles southwest of Anchorage, Alaska erupted at 4:18 pm on Sunday. The tremors were felt in the …

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