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You are browsing the archive for lahar.

6 April 2021

Mount Lewotolok and Adonara island: up to 168 people killed by lahars and debris flows in Indonesia

Two deadly landslides have occurred in Indonesia over the last few days. On the flanks of Mount Lewotolok up to 80 were killed in a lahar, whilst on Andonara island 69 people were killed and 19 are missing in a debris flow.

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3 December 2020

High resolution satellite images of the Guinobatan lahar

High resolution satellite images, collected by Planet Labs using the SkySat constellation, showing the impact of the Guinobatan lahar in the Philippines a month ago

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19 November 2020

Guinobatan: a major lahar in the Philippines triggered by Super Typhoon Goni

Over the weekend of 31 October and 1 November 2020, Super Typhoon Goni triggered a major lahar from the flanks of Mount Mayon in the Philippines

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17 March 2020

The catastrophic lahars from Mount Kelud in 1919

In 1919 a devastating eruption of Mount Kelud in Indonesia triggered massive lahars that killed 5,160 people on the flanks of the volcano

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9 October 2017

Lahars: an analysis of their role in losses from volcanic eruptions

A new paper from the University of Bristol (Brown et al. 2017) demonstrates the role that lahars play in causing loss of life in volcanic events

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12 January 2017

Volcan, Argentina: massive mudflows cause major disruption

In the last few days heavy rainfall has triggered a number of major landslides that have affected the towns of Volcan and Tumbaya in Argentina

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19 April 2016

Drone footage of the Kumamoto earthquake landslides

Drone footage and high quality images are now becoming available of the Kumamoto Earthquake landslides in Japan. In some cases the landslides appear to be remarkable.

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22 August 2015

Mount Rainier debris flows, 13th August 2015

On 13th August a series of debris flows occurred on the flanks of Mount Rainier in Washington State, USA. These glacier collapse events were captured on video, photographs & seismic instruments

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5 November 2010

Hurricane Tomas, Mount Merapi and landslides in Costa Rica

With three substantial natural hazard events occurring simultaneously, I thought I would post a round-up of those rapidly-evolving events: 1. Hurricane Tomas As feared, Hurricane Tomas is now bringing heavy rainfall to Haiti.  The path of the storm has been somewhat erratic, as the Tropical Storm Risk track map shows.  However, the storm is now tracking in  a generally north-northwesterly direction, and is likely to pass just to the west of …

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10 September 2010

Ruapehu lahar information

One of the many highlights of the splendid IAEG Congress in Auckland this week was a talk by GNS geologist Chris Massey on the 18th March 2007 lahar at Mount Ruapehu on North Island.  The lahar occurred as a result of the failure of a tephra wall holding back the crater lake at the summit, and is shown by this NASA image: The potential for a lahar had been anticipated …

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