Two moderate quakes measuring 5.2 and 5.1 on the Richter scale respectively hit west Indonesia's Java Island and Sumatra Island on Sunday, the Meteorology, Climatology and Geophysics said .

The first one rocked West Java province in Java Island at 01:42 local time (1642 GMT on Saturday) and the second one occurred in Bengkulu province in Sumatra Island at 04:24 local time (2124 GMT on Saturday).

The first earthquake was centered at 96 kilometers southeast West Java province's Ujung Kulon area and at depth on 19 kilometers under seabed, while the second one was centered 73 kilometers southwest Bintuhan regency of Bengkulu province and at depth of 53 kilometers under seabed.

The agency did not release tsunami warnings on the two earthquakes.