Results tagged “earthquake”

Last September's major earthquake near Palu City on the Indonesian island of Sulawesi was a rare supershear event, a new study has found. Fewer than 15 of these superfast-moving, extra-powerful earthquakes have ever been identified.

Scientists have generated a map of the deformation of Earth's surface caused by the November 30, 2018 magnitude 7.0 earthquake beneath the Anchorage area of Alaska.

Seismic waves are helping researchers uncover the mysterious subsurface history of the Tibetan Plateau, possibly lending insight to future earthquake activity in the region.

Earthquakes - 2001-2015

This animation shows every recorded earthquake in sequence as they occurred from January 1, 2001, through December 31, 2015, at a rate of 30 days per second.

There is an enduring myth that large earthquakes tend to happen during certain phases of the Moon or at certain times during the year. But a new analysis published in Seismological Research Letters confirms that this bit of earthquake lore is incorrect.

Oklahomans are no strangers to Mother Nature's whims. From tornadoes and floods to wildfires and winter storms, the state sees more than its share of natural hazards.

Nepal's magnitude 7.8 Gorkha earthquake caused significant damage and loss of life in 2015. In natural disasters like this, it is critical to locate areas that are in the most need of assistance as fast as possible.

As millions of people regroup from the impact of the earthquakes in Nepal, a team of international volunteers is combing through satellite imagery of the region to identify additional hazardsearthquake-induced landslides.

On 24 April 2015 a 7.9 magnitude earthquake struck Nepal - a nation woefully unprepared to respond to such an event. Nearly 300 aftershocks of magnitude 4.0 or greater have rattled the country for the past month.

On April 25, 2015, the Earth moved violently in Nepal. A magnitude 7.8 earthquake killed more than 8,000 people, injured at least 19,000, and displaced hundreds of thousands in cities and villages near the Himalayas.

NASA Aids Response to Nepal Quake

NASA and its partners are gathering the best available science and information on the April 25, 2015, magnitude 7.8 earthquake in Nepal, referred to as the Gorkha earthquake, to assist in relief and humanitarian operations.

The German Aerospace Center (DLR) Earth Observation Center (EOC) has used data acquired by the ESA radar satellite Sentinel-1 over the earthquake region in Nepal to create a new regional aid map and calculate the ground displacements caused by the earthquake.

On 25 April, a 7.8-magnitude earthquake struck Nepal, claiming over 5000 lives and affecting millions of people. Satellite images are being used to support emergency aid organisations, while geo-scientists are using satellite measurements to analyse the effects of the earthquake on the land.

ESA's GOCE satellite has revealed that the devastating Japanese earthquake of 2011 left its mark in Earth's gravity - yet another example of this extraordinary mission surpassing its original scope.

Crowdsourcing for Earthquake Monitoring

"Technology is creating a new breed of scientist. I'm talking about citizen scientists - ordinary people and volunteers from all walks of life coming together to help monitor, and possibly mitigate, the next big earthquake through an innovative program called NetQuakes. A play off the popular company Netflix - a movie company that allows users to rent movies through the mail - NetQuakes allows ordinary people to volunteer as a kind of host "family" for one of the program's many blue seismometers. This grassroots movement, an innovative effort between the USGS, the Pacific Northwest Seismic Network (PNSN) and regular people, is forming an intricately advanced network of data that could help scientists, emergency experts and the general public become more aware of the dangers involved with earthquakes." More

NASA Satellite Image of Port-Au-Prince

NASA's Earth Observing-1 satellite captured this image of Port-au-Prince, Haiti, on the morning of Jan. 15, 2010. The image shows the densely built and densely populated capital city. Satellite images like this one, when compared with similar images taken before the earthquake, will provide information to support disaster recovery efforts in Haiti. Data from the Advanced Land Imager on the satellite. Image processed by NASA's Earth Observatory, Goddard Space Flight Center.

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