An earthquake measuring 5.4 on the Richter scale jolted 152km WNW of Abepura, Indonesia at 18:06: 59 Hong Kong Time on Wednesday (10:06:59 GMT), the U.S. Geological Survey said. The epicenter, with a depth of 34.92 km, was initially determined to be at 2.307 degrees south latitude and 139.2553 degrees east longitude.