Thousands of people living on and visiting the Big Island of Hawai'i are getting ready for what could soon be a major volcanic eruption. The U.S. Geological Survey (USGS) has raised Kilauea’s alert level to Code Orange.

USGS scientist Robert De Groot spoke to CBS News Bay Area about a recent earthquakes that have struck in and around the Bay Area, including two earthquakes that struck near Salinas and San Juan Bautista on Thanksgiving Day.

The earthquakes happened near San Juan Bautista in San Benito County, according to the U.S. Geological Survey (USGS). Here are the specific earthquake details, listed in descending order on the magnitude scale, according to information provided by the USGS:

Two earthquakes were reported Thursday just after 5:30 p.m. southwest of Idyllwild in Riverside County. The first was a magnitude 3.8 quake, which was followed a minute later by a magnitude 3.5 shaker. The quakes were about four miles from Valle Vista, eight miles from Hemet, nine miles from San Jacinto and 13 miles from Beaumont.

USGS has unveiled its most detailed national geologic map, giving the public a free, interactive way to explore underground features. Here’s how to use it.

NEW MADRID, Mo. (WSIL) -- A total of 9 earthquakes hit a three county area in a seven-day span. These hit in New Madrid County and Mississippi County in Missouri, along with Lake County, Tennessee, starting on November 21 through November 27, according to the United States Geological Survey (USGS).

At least three minor to moderate earthquakes struck Thursday morning in the Geysers area of northern Sonoma County, according to the USGS.

Two strong earthquakes struck Japan Tuesday at magnitudes of 5.4 and 4.7, according to data from the United States Geological Survey ( USGS ). The first quake struck in the Pacific Ocean about 80 miles east-southeast from Kitaibaraki at a depth of around 6 miles, 10 km, the data shows. Kitaibaraki is about 110 miles northeast of Tokyo.