The Pacific Ring of Fire region was rattled by two earthquakes on Friday. A magnitude 5.3 earthquake struck off the Aleutian chain, about 93 miles west-southwest of Adak, Alaska, just after 2:45 a.m. Alaska time, according to USGS.

The quake's epicenter was roughly 25 miles below the surface.

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About an hour later, a magnitude 5.9 earthquake struck in Southeast Asia's Banda Sea, about 157 miles east-northeast of Lospalos in Timor-Leste, a Southeast Asian nation that shares the island of Timor with Indonesia, north of Australia.

No Tsunami Warning was issued for either quake.

The Pacific Ring of Fire is a 25,000-mile belt of volcanoes and earthquake zones surrounding much of the Pacific Ocean, where 90% of the world's earthquakes occur.