The postings will automatically include important information to help track the epicenter.
"About 50 percent of the tweets that come in have a location with them and they all have a time with them and we look for the word earthquake and several other languages as well," U.S. Geological Survey spokesperson Michelle Guy said.
Hundreds of tweets would then be harvested by the USGS and the details would be used to report back, with greater accuracy, what happened.