Solar Trifecta Video
February 25, 2013 | NASA on YouTube
Eruptive events on the sun can be wildly different. Some come just with a solar flare, some with an additional ejection of solar material called a coronal mass ejection, and some with complex moving structures in association with changes in magnetic field lines that loop up into the sun's atmosphere, the corona. On July 19, 2012, an eruption occurred on the sun that produced all three.
Tsunami on the Delaware River?
September 4, 2013 | United States Geological Survey
"Imagine the Delaware River abruptly rising toward Philadelphia in a tsunami-like wave of water. Scientists now propose that this might not be a hypothetical scenario. A newly published paper concludes that a modest (one-foot) tsunami-like event on the East Coast was generated in the past by a large offshore earthquake. This result may have potential ramifications for emergency management professionals, government officials, businesses and the general public." Quoted from the USGS Newsroom.
Potential Tsunami Impact on Southern California from an Alaska Earthquake
September 8, 2013 | USGS
"The Science Application for Risk Reduction tsunami scenario depicts a hypothetical but plausible tsunami created by an earthquake offshore from the Alaska Peninsula and its impacts on the California coast. " Quoted from the USGS Newsroom.