Discover and read the best of Twitter Threads about #Landslides

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#Vietnam #QuangTri #Landslides

A landslide early on Sunday left at least 22 soldiers missing in Vietnam's central province of Quang Tri, the government said, as the Southeast Asian country battles the worst flooding in years.
Intense rains since early October have caused floods and mudslides that have killed at least 64 people in central Vietnam, with more heavy rainfall expected over the next few days.
The landslide hit the barracks of a unit of Vietnam's 4th Military Region, the government said in a statement on its website, days after another landslide killed 13 people, mostly soldiers, in the neighboring province of Thua Thien Hue.
Read 5 tweets
#Floods and #wildfires are both subject to regression to the tail. The same holds for #droughts, #hurricanes, #landslides, #icemelt, #sealevelchange, and other phenomena closely related to the climate crisis. Image
This tells us that understanding regression to the tail and how to mitigate its specific manifestations for climate will be key to mitigating the climate crisis.
Here it is worth remembering that regression to the tail for the climate crisis will be just as indifferent to human ignorance and folly as regression to the tail is for covid-19.
Read 5 tweets
Subduction-zone mega-thrust #earthquakes, the most powerful earthquakes, can produce #tsunamis through a variety of structures that are missed by simple models. (THREAD)
The basic model shows rock above the convergent plate boundary being compressed and bent as it stores elastic energy. Once friction is overcome, the overriding plate slides abruptly up the fault causing the leading edge to heave seawater upward generating a #tsunami.
In 2011, the M9 #Japan #earthquake ruptured a fault area 500kms x 200kms over an interval of nearly 3 min. Surveys of sea-floor bathymetry before and after the earthquake document up to 50 m of fault displacement at near the Japan Trench.
Read 15 tweets

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