United States Geological Survey
Fires, building collapses and injuries were all reported in the latest of what officials believe could be a continuing string of dangerous temblors.
The quake struck about 150 miles northeast of Los Angeles, with no injuries reported.
The agency's website is dormant and it's operating with a skeleton crew, according to documents.
The quake could be felt as far away as Colombia and Grenada. No deaths had been reported.
The U.S. Geological Survey put the magnitude of the quake at 7.3.
"Vog," a mix of ash and volcanic smog, rose to 12,000 feet and showered cars with gray dust.
There were no reports of injuries or deaths.
"The toilet had been flushing by itself randomly for days when they opened it up and found a surprise waiting for them!"
Hundreds of volunteers and rescue workers have been searching through rubble for survivors.
The quake struck southwest of the South Pacific nation on Tuesday.
The temblor was recorded about 66 miles south-southeast of the city of Usulutan with a preliminary magnitude of 7.4 The USGS