On Sept. 16, 2015, an 8.3-magnitude earthquake struck the coast of central Chile, triggering tsunami warnings and coastal evacuations. Lasting three minutes, the powerful earthquake occurred along the boundary of the Nazca and South American tectonic plates.
This Sentinel-1A radar image features some of the Azore islands about 1,600 kilometers west of Lisbon, including the turtle-shaped Faial, the dagger-like Sao Jorge and Pico Island, with Mount Pico reaching more than 2,351 meters in height.
Hurricane Joaquin, the strongest Atlantic hurricane of the 2015 season, is shown in this photograph taken by NASA Astronaut Scott Kelly on Oct. 2, 2015, from the International Space Station.
New findings from NASA's Mars Reconnaissance Orbiter (MRO) provide the strongest evidence yet that liquid water flows intermittently on present-day Mars.
This Sentinel-2A ˜color vision' image captures part of the Mississippi swamps on the east and west banks of the Mississippi River, south of New Orleans and north of the Mississippi Delta. The red color shows vegetation, while gray represents bodies of water.
A new image from the NASA/ESA Hubble Space Telescope captures the Twin Jet Nebula's shells and knots of expanding gas, as two iridescent lobes of material stretch outwards from a central star system. Within these lobes, two huge jets of gas are streaming from the star system at speeds in excess of 1 million kilometers (621,400 miles) per hour.
This image captured by Sentinel-2A on July 13, 2015, features Lake Amadeus in Australia's Northern Territory.
The Pacific Northwest is abundantly dotted with wildfires in Washington, Oregon, Idaho and Montana, and satellite imagery from a variety of sensors is being used extensively to monitor the situation.
On Aug. 25, 2015, the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument aboard NASA's Aqua satellite captured a visible picture of Typhoon Goni after it moved out of the East China Sea and north into the Sea of Japan. The MODIS image also showed that the storm's western quadrant was over North Korea and South Korea, while the eastern quadrant stretched over most of the big island of Japan.
Since mid-July 2015, more than 1 million people have been severely affected by monsoon floods and landslides in Myanmar.
