A 6.4-magnitude earthquake struck Chile on Friday, December 13, as reported by the United States Geological Survey (USGS). The quake’s epicenter was located in Molina, at a depth of 110.6 kilometers (about 68.7 miles). The USGS stated that there were no reports of people feeling the earthquake at the time of publication.
This earthquake in Chile occurred just days after a 5.6-magnitude earthquake hit Nevada on Monday, December 9, according to the USGS.
On Sunday, December 8, two earthquakes struck Adak, Alaska. The first was a 6.4-magnitude earthquake centered at a depth of 43 kilometers (about 26.7 miles). This was followed hours later by a 6.3-magnitude earthquake in the same area, centered at a depth of 47.9 kilometers (about 30 miles), according to the USGS.
These Alaskan quakes came two days after a 4.0-magnitude earthquake was reported in California on Friday, December 6, centered in Petrolia at a depth of 0.6 kilometers (about 0.37 miles). The 4.0-magnitude tremor was reported just hours after a 7.0-magnitude earthquake struck Petrolia on December 5. The Thursday quake had a depth of 0.6 kilometers (about 0.37 miles), and the USGS received 16,318 reports from people who felt it by Friday.
Following the 7.0-magnitude earthquake, a tsunami warning was briefly issued for the San Francisco Bay Area by the National Weather Service but was later lifted. The USGS also recorded two 2.5-magnitude earthquakes in French Gulf and Cobb, California, at the same time as the Petrolia earthquake.
On Wednesday, December 4, a 4.4-magnitude earthquake hit Petrolia, centered at a depth of 10.0 kilometers (about 6.2 miles), as reported by the USGS.
These California earthquakes occurred just days after a 6.1-magnitude earthquake hit Japan on November 26. The quake, centered in Hakui, had a depth of 10 kilometers (about 6.2 miles), according to the USGS.
