JAKARTA, June 12 — Two inland earthquakes of magnitude 4.0 and 2.5 hit East and West Java today within a span of two and a half hours.

A 4.0-magnitude earthquake occurred at 8.04am local time with its epicentre at a depth of seven kilometres, six kilometres northwest of Bojonegoro.

The quake shook Bojonegoro and Tuban areas but no tsunami is expected, tweeted Indonesia's Meteorology, Climatology, and Geophysical Agency (BMKG).

There were no immediate reports of injuries or damages.

Earlier, an earthquake of magnitude 2.5 had hit West Java at 5.32am local time with tremors reportedly felt in Cianjur, Cugenang, Cipanas, Warungkondang, Cilaku and Cibeber.

BMKG said the epicentre is at a depth of 13 kilometres located five kilometres northwest of Cianjur.

The quake came six hours 20 minutes after the same area was hit by a magnitude 3.5 earthquake which injured at least two people and damaged two houses. — Bernama