Southern California struck with 13 large tremors this year, with the latest rattling residents Monday.
The explosions are typically the result of water flashing into steam underground: USGS.
A 4.8-magnitude earthquake struck New Jersey on Friday morning, officials say.
There is also a chance for the largest quakes in California and Alaska, according to Mark Petersen, USGS geophysicist and lead author of the study.
A large number of earthquakes has been reported near Washington’s Mount St. Helens, which erupted in 1980.
Another eruption has been detected at the Kīlauea volcano on Hawaii’s Big Island.