(Adds comment from Indonesian authorities)
JAKARTA, Sept 7 (Reuters) - A magnitude 6.1 earthquake struck off the coast of Java, Indonesia, the U.S. Geological Survey said on Monday, but the Indonesian authorities said there was no tsunami warning and no reports of any damage.
The strong quake, which occurred at 11:12 p.m. local time, was centred about 167 miles (268 km) south of Yogyakarta, Java, Indonesia, at a depth of nine miles (15 km), USGS said.
Jaya Murjaya, a spokesman at Indonesia's meteorology agency, said there was no tsunami warning and no reports of any damage or casualties.
A 7.0 magnitude quake which struck off the coast of West Java on Wednesday killed more than 70 people, and damaged thousands of homes. (Reporting by Telly Nathalia; Writing by Sara Webb; Editing by Jon Hemming)
A worker dries rubber crumb near a rubber plantation in Deli Serdang district, Indonesia's North Sumatra province September 7, 2009. Asian physical rubber prices stayed at high level on Monday as ...