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ScienceDaily: Natural Disaster News
Natural Disaster News and Research. Earthquakes, volcanic eruptions, landslides, tsunamis and other natural disasters. Research past events, review predictions by scientists and learn how disaster relief can be most effective.
- Wed, 24 Apr 2019 19:08:08 -0600: NASA, FEMA, international partners plan asteroid impact exercise - Natural Disasters News -- ScienceDaily
NASA and other U.S. agencies and space science institutions, along with international partners, will participate in a 'tabletop exercise' that will play out a realistic -- but fictional -- scenario for an asteroid on an impact trajectory with Earth.
- Wed, 24 Apr 2019 13:35:46 -0600: Minerals in mountain rivers tell the story of landslide activity upstream - Natural Disasters News -- ScienceDaily
Scientists have come up with a new way of analyzing sand in mountain rivers to determine the activity of landslides upstream, which has important implications for understanding natural hazards in mountainous regions.
- Wed, 24 Apr 2019 13:35:12 -0600: Major deep carbon sink linked to microbes found near volcano chains - Natural Disasters News -- ScienceDaily
Up to about 19% more carbon dioxide than previously believed is removed naturally and stored underground between coastal trenches and inland chains of volcanoes, keeping the greenhouse gas from entering the atmosphere, according to a new study.
- Wed, 24 Apr 2019 10:52:09 -0600: Geography study finds hot days lead to wildfires - Natural Disasters News -- ScienceDaily
Geography researchers found that temperature was a better predictor of wildfire than humidity, rainfall, moisture content of the vegetation and soil and other weather factors.
- Wed, 24 Apr 2019 10:51:13 -0600: Salish seafloor mapping identifies earthquake and tsunami risks - Natural Disasters News -- ScienceDaily
The central Salish Sea of the Pacific Northwest is bounded by two active fault zones that could trigger rockfalls and slumps of sediment that might lead to tsunamis.
- Wed, 24 Apr 2019 10:51:11 -0600: Reinforced concrete wall damage may be larger than expected in major Seattle earthquake - Natural Disasters News -- ScienceDaily
Using ground motions generated for a range of simulated magnitude 9 earthquakes in the Pacific Northwest, researchers are testing how well reinforced concrete walls might stand up under such seismic events.
- Thu, 18 Apr 2019 12:52:29 -0600: Data mining digs up hidden clues to major California earthquake triggers - Natural Disasters News -- ScienceDaily
A powerful computational study of southern California seismic records has revealed detailed information about a plethora of previously undetected small earthquakes, giving a more precise picture about stress in the earth's crust.
- Mon, 15 Apr 2019 10:22:49 -0600: New evidence suggests volcanoes caused biggest mass extinction ever - Natural Disasters News -- ScienceDaily
Researchers say mercury buried in ancient rock provides the strongest evidence yet that volcanoes caused the biggest mass extinction in the history of the Earth. The extinction 252 million years ago was so dramatic and widespread that scientists call it 'the Great Dying.' The catastrophe killed off more than 95 percent of life on Earth over the course of hundreds of thousands of years.
- Wed, 10 Apr 2019 07:59:42 -0600: Hurricane Harvey provides lessons learned for flood resiliency plans - Natural Disasters News -- ScienceDaily
Scientists used satellite data to map the Houston-Galveston area impacted by Hurricane Harvey to understand why the flooding was so severe and widespread.
- Fri, 05 Apr 2019 08:13:29 -0600: Damaging Sichuan earthquakes linked to fracking operations - Natural Disasters News -- ScienceDaily
Two moderate-sized earthquakes that struck the southern Sichuan Province of China last December and January were probably caused by nearby fracking operations, according to a new study.
- Wed, 03 Apr 2019 13:54:21 -0600: Crowdsourcing speeds up earthquake monitoring - Natural Disasters News -- ScienceDaily
Data produced by Internet users can help to speed up the detection of earthquakes. An international team of scientists has presented a method to combine in real time data from seismic networks with information derived from users looking for earthquake information on specific websites, the smartphone app 'LastQuake' and via Twitter. This method significantly reduces the time needed to detect and locate those earthquakes that are felt by the public.
- Wed, 03 Apr 2019 10:24:42 -0600: California's current earthquake hiatus is an unlikely pause - Natural Disasters News -- ScienceDaily
There have been no major ground rupturing earthquakes along California's three highest slip rate faults in the past 100 years. A new study concludes that this current 'hiatus' has no precedent in the past 1000 years.
- Wed, 03 Apr 2019 08:11:08 -0600: Geographers use big data to predict how slope affects human travel rates - Natural Disasters News -- ScienceDaily
For wildland firefighters retreating from the fire to a safety zone, predicting how long it takes to move across terrain can be a matter of life and death. Geographers developed a series of models that strongly predict how terrain slope impacts travel rates. Using a crowdsourced fitness-tracking database, they analyzed GPS data from nearly 30,000 people. The resulting models are the first to account for variability in travel rates between slow, medium and fast movers.
- Tue, 02 Apr 2019 10:44:25 -0600: Sun, moon and sea as part of a 'seismic probe' - Natural Disasters News -- ScienceDaily
Using a single seismometer, researchers have shown that seismic waves excited by the surf, together with the effect of the Earth's tides on the subsoil, can be used to better understand the properties of the Earth without having to drill into the ground. Knowledge of subsurface stress or strain fluctuations is important for safety in construction and mining, and monitoring geological processes in volcanoes and fault zones, for example.
- Mon, 01 Apr 2019 11:30:35 -0600: Face-to-face workshops increase household preparedness for disaster - Natural Disasters News -- ScienceDaily
Face-to-face workshops based on the psychology of behavior change and disaster preparedness can be used to prompt households to take action to protect themselves against disasters such as earthquakes, fires and floods, a new study has found.
- Fri, 29 Mar 2019 12:42:23 -0600: 66-million-year-old deathbed linked to dinosaur-killing meteor - Natural Disasters News -- ScienceDaily
Paleontologists have found a fossil site in North Dakota that contains animals and plants killed and buried within an hour of the meteor impact that killed the dinosaurs 66 million years ago. This is the richest K-T boundary site ever found, incorporating insects, fish, mammals, dinosaurs and plants living at the end of the Cretaceous, mixed with tektites and rock created and scattered by the impact. The find shows that dinosaurs survived until the impact.
- Thu, 28 Mar 2019 06:04:05 -0600: Seismic safety upgrades may cost CA hospitals billions - Natural Disasters News -- ScienceDaily
California hospitals would need to make substantial investments -- between $34 billion and $143 billion statewide -- to meet 2030 state seismic safety standards, according to a new report.
- Wed, 27 Mar 2019 12:20:53 -0600: Signs of 1906 earthquake revealed in mapping of offshore northern San Andreas Fault - Natural Disasters News -- ScienceDaily
A new high-resolution map of a poorly known section of the northern San Andreas Fault reveals signs of the 1906 San Francisco earthquake, and may hold some clues as to how the fault could rupture in the future, according to a new study.
- Wed, 27 Mar 2019 09:27:18 -0600: Massive earthquakes provide new insight into deep Earth - Natural Disasters News -- ScienceDaily
In a first-ever study of two of the largest deep earthquakes ever recorded in human history, researchers reveal new and surprising information about our planet's mysterious, ever-changing interior.
- Tue, 26 Mar 2019 11:27:28 -0600: The solid Earth breathes - Natural Disasters News -- ScienceDaily
The solid Earth breathes as volcanoes ''exhale'' gases like carbon dioxide (CO2) -- which are essential in regulating global climate -- while carbon ultimately from CO2 returns into the deep Earth when oceanic tectonic plates are forced to descend into the mantle at subduction zones.
- Mon, 25 Mar 2019 10:20:19 -0600: Earth's deep mantle flows dynamically - Natural Disasters News -- ScienceDaily
As ancient ocean floors plunge over 1,000 km into the Earth's deep interior, they cause hot rock in the lower mantle to flow much more dynamically than previously thought, finds a new study. The discovery answers long-standing questions on the nature and mechanisms of mantle flow in the inaccessible part of deep Earth. This is key to understanding how quickly Earth is cooling, and the dynamic evolution of our planet and others in the solar system.
- Fri, 22 Mar 2019 10:25:44 -0600: Scientists argue for more comprehensive studies of Cascade volcanoes - Natural Disasters News -- ScienceDaily
Scientists argue for more 'synthesis' research looking at the big picture of volcanology to complement myriad research efforts looking at single volcanoes.
- Fri, 22 Mar 2019 08:57:31 -0600: Low-income neighborhoods more vulnerable to flooding, extreme heat - Natural Disasters News -- ScienceDaily
The methods can be replicated by cities to help them identify which neighborhoods are most at risk and what demographic factors characterize the most vulnerable citizens.
- Thu, 21 Mar 2019 11:09:54 -0600: Hundreds of bubble streams link biology, seismology off Washington's coast - Natural Disasters News -- ScienceDaily
The first survey of methane vent sites off Washington's coast finds 1,778 bubble columns, with most located along a north-south band that is in line with a geologic fault.
- Thu, 21 Mar 2019 11:03:17 -0600: Geophysics: A surprising, cascading earthquake - Natural Disasters News -- ScienceDaily
The Kaikoura earthquake in New Zealand in 2016 caused widespread damage. Researchers have now dissected its mechanisms revealing surprising insights on earthquake physics with the aid of simulations carried out on a supercomputer.
- Wed, 20 Mar 2019 19:58:08 -0600: Volcano cliffs can affect monitoring data - Natural Disasters News -- ScienceDaily
New research reveals that sharp variations of the surface of volcanoes can affect data collected by monitoring equipment.
- Wed, 20 Mar 2019 08:22:10 -0600: How fluid viscosity affects earthquake intensity - Natural Disasters News -- ScienceDaily
Scientists have demonstrated that the viscosity of fluids present in faults has a direct effect on the intensity of earthquakes.
- Tue, 19 Mar 2019 07:20:19 -0600: A new first: Scientists mimic nature's self-affinity using computer simulations - Natural Disasters News -- ScienceDaily
For the first time, researchers have simulated the process of surface roughness creation. This is a step forward in understanding the emergence of fractal characteristic of rough surfaces on many scales ranging from atomic to geological scales. The perspectives of their findings are far reaching. Controlling surface roughness is essential to the performance and durability of virtually all engineering applications. It may even be a step forward in earthquake prediction.
- Thu, 14 Mar 2019 17:25:49 -0600: Sources and Sinks: What drives long-term climatic trends? - Natural Disasters News -- ScienceDaily
For the entire history of our species, humans have lived on a planet capped by a chunk of ice at each pole. But Earth has been ice-free for about 75 percent of the time since complex life first appeared. This variation in background climate, between partly glaciated and ice-free, has puzzled geologists for decades.
- Mon, 11 Mar 2019 06:19:33 -0600: New way to sense earthquakes could help improve early warning systems - Natural Disasters News -- ScienceDaily
Every year earthquakes worldwide claim hundreds or even thousands of lives. Forewarning allows people to head for safety and a matter of seconds could spell the difference between life and death. Researchers demonstrate a new earthquake detection method -- their technique exploits subtle telltale gravitational signals traveling ahead of the tremors. Future research could boost early warning systems.
- Mon, 04 Mar 2019 13:49:14 -0700: Wildfire risk in California no longer coupled to winter precipitation - Natural Disasters News -- ScienceDaily
Wet winters no longer predict possible relief from severe wildfires for California. Now, fuel buildup from decades of fire suppression in the 20th century plus rising temperatures from climate change means any year may have large fires, no matter how wet the previous winter, according to a new study.
- Fri, 01 Mar 2019 10:32:47 -0700: Machine learning expands to help predict and characterize earthquakes - Natural Disasters News -- ScienceDaily
Researchers describe how they are using machine learning methods to hone predictions of seismic activity, identify earthquake centers, characterize different types of seismic waves and distinguish seismic activity from other kinds of ground 'noise.'
- Thu, 28 Feb 2019 09:35:47 -0700: 2018's biggest volcanic eruption of sulfur dioxide - Natural Disasters News -- ScienceDaily
The Manaro Voui volcano on the island of Ambae in the nation of Vanuatu in the South Pacific Ocean made the 2018 record books. A NASA-NOAA satellite confirmed Manaro Voui had the largest eruption of sulfur dioxide that year.
- Thu, 28 Feb 2019 07:36:33 -0700: 'Amazing snapshots' plumb volcanic depths - Natural Disasters News -- ScienceDaily
Research shedding light on the internal 'plumbing' of volcanoes may help scientists better understand volcanic eruptions and unrest. The study analyzed crystals in Italy's famous Mount Etna to reveal how quickly magma moves to the surface.
- Tue, 26 Feb 2019 09:23:08 -0700: Coda waves reveal carbon dioxide storage plume - Natural Disasters News -- ScienceDaily
Pumping carbon dioxide into the ground to remove it from the atmosphere is one way to lower greenhouse gases, but keeping track of where that gas is, has been a difficult chore. Now researchers are using previously ignored seismic waves to pinpoint and track the gas clouds.
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