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6 November 2020

Hurricane Eta: dozens killed by landslides in Central America

Hurricane Eta: news reports indicate that dozens of people have been killed by landslides in Central America, with at least 50 deaths in Guatemala alone

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17 October 2017

The Bellavista heap leach gold mine landslide in 2007

In October 2007 a 35 million cubic metre landslide closed the Bellavista heap leach gold mine in Costa Rica, with resulting costs of over $100 million

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19 September 2014

Moving to the University of East Anglia and two new landslide videos

I have now moved to the University of East Anglia at PVC (RE). To restart blogging, two new landslide videos have been posted, from India and Costa Rica

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15 July 2011

News of two (?) valley-blocking landslides

News of two valley-blocking landslides – Attabad in Pakistan and a possible earthquake triggered event in Costa Rica

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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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30 June 2009

Three new landslide / debris flow videos

Thanks to Lynn Highland at the USGS for drawing my attention to this video of a debris flow in Costa Rica: This is a slightly strange event. It occurred on the Sarapiqui River in Costa Rica after the 16th January 2009 Cinchona earthquake. It is not all clear why the earthquake should have triggered such a debris flow given that there was no rainfall, but a suggestion is that there …

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13 January 2009

Costa Rica Earthquake – the aftermath

I thought a brief follow up email to my previous posts about the Costa Rica earthquake would be useful now that we are five days post the event. So what do we now know? Well, first the final death toll is likely to be about 40, most of whom were killed by landslides. Officially, as of today, 19 bodies have been recovered and 21 more are buried under landslide debris. …

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11 January 2009

Costa Rica earthquake – landslides have proven to be a major threat

News continues to flow in regarding the impact of the earthquake in Costa Rica. It is increasingly evident that landslides have probably been the major problem, which is unsurprising given the topography and soils. The landslides have clearly caused substantial loss of life and are also hampering rescue operations. The Washington Post is reporting, quite rightly, that there are now concerns about the stability of the slopes in the affected …

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9 January 2009

Magnitude Mw=6.1 earthquake in Costa Rica

At 19:21 UTC (13:21 local time) on 8th January a Magnitude Mw=6.1 earthquake struck Costa Rica. Although this is not a particularly large earthquake, it is certainly substantial enough to have triggered many landslides, especially given that it occurred very close to the surface (the USGS depth estimate is just 4.5 km). Several reports have come in already about fatalities associated with landslides. Confirmed are the deaths of two girls …

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