Khabarindiaonline: A strong and shallow earthquake with a 6.1 magnitude struck central Indonesia today, but no tsunami warning was issued. The US Geological Survey said the quake was centred around 18 kilometres deep, just off the coast of Sulawesi island. There were no immediate reports of damage. Indonesia’s meteorology, climatology and geophysics agency said there was no risk of a tsunami. ( Source: AIRN ).