MAE SAI, Thailand - At least 74 people were killed in a strong earthquake that struck Myanmar, state media said on Friday, while a series of aftershocks have caused panic but only limited damage in Thailand and Laos.

The death toll from Thursday's 6.8 magnitude tremor was expected to rise slightly in Myanmar after 225 homes and nine government buildings were destroyed. Over 100 people were injured, according to state television.

The quake sparked panic, but no major damage, in other countries across Southeast Asia. This month's devastating Japan quake and tsunami have revived memories of the even more powerful 2004 Indonesia quake and tsunami which killed around 226,000 people.

An aftershock of an estimated magnitude of 5.5 rattled Thailand on Friday but caused limited damage, although residents living in properties close to the epicentre were advised to leave their homes.

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