A 6.1-magnitude earthquake struck off the coast of Indonesia’s Sumatra island, the third tremor to rattle the area since early Monday, according to the country’s geophysics agency.

Indonesia’s meteorology and geophysics agency, BMKG, recorded the shallow quake off the Mentawai islands, which lie off Sumatra’s west coast just before 10.30 a.m. and said it did not trigger a tsunami warning. The agency had earlier recorded a magnitude of 6.4 but revised that to 6.1, a BMKG spokesperson said.

#BREAKING: JUST IN – Strong 6.3-magnitude earthquake hits in West Sumatra, off Indonesia pic.twitter.com/ASObtdqrJh

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Three consecutive earthquakes struck the area with increasing intensity since the early hours of Monday, with a 5.2-magnitude tremor recorded before dawn, followed by a 5.4-magnitude quake less than an hour later.
The 6.1-magnitude earthquake was felt strongly for several seconds by residents in the Mentawai islands, in the provincial capital of Padang, and in the surrounding mountainous area of Bukittinggi, the disaster agency wrote in a statement.
It added there were no reports of casualties but there was minor damage to buildings on Siberut island.
The agency also urged the public not to panic and warned of the potential for aftershocks.
Padang was struck by a 7.6-magnitude earthquake in 2009 that killed more than 1,100 people, injured many more and caused widespread destruction.
Indonesia straddles the so-called “Pacific Ring of Fire”, where different tectonic plates of the Earth’s crust meet and create frequent seismic activity.