China has dispatched more than 2,500 troops to help with the rescue effort after 6.3 earthquake struck the Yunnan Province in the countries south west, according to state news agency Xinhua.
At least 175 people have been killed and 181 others are missing according to the country's Ministry of Civil Affairs. More than 1,400 people were injured, Xinhua reported.
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It comes after security was stepped up around the country following the Manchester Arena attack which killed 22 people.
A murderer nicknamed 'Houdini' after escaping the death penalty seven times has been given the lethal injection.
The distress signal sparked a police hunt in the area to find the person or group who made it.