According to data from the Kandilli Observatory, a 3.4-magnitude earthquake occurred in Bursa at 11:15.
The earthquake, with its epicenter in Mudanya, was recorded at a depth of 3.1 kilometers. The tremor was also felt in Istanbul.
A notification sent by the app called Earthquake Network caused panic.
The application sent the notification estimating the magnitude of the earthquake as 5.6.

Users reacted to the discrepancy between the actual magnitude of the earthquake and the notification sent.
News Source: 12punto