Pyongyang, November 8 (KCNA) -- An earthquake measuring 5.4 on the Richter scale jolted western Java island of Indonesia on Saturday morning.

Its epicenter was 199 km southwest Ujungkulon of Banten province.

An earthquake with magnitude of 5.2 struck off Bali island of Indonesia on Friday evening.

Its epicenter was 67 km southeast Nusa Dua of Bali.

A 5.6 magnitude quake rocked central Oklahoma late Saturday after a day of smaller quakes.

The quake was centered about 44 miles northeast of Oklahoma City.