- By Swedish standards, it is big.

The magnitude will end up somewhere between 2.5 and 3. It is unusual for this area, says Björn Lund.

How do you perceive an earthquake like this?

- If you are nearby, it shakes, but it is a short course - a couple of seconds.

Residents in Älvkarleby municipality have noticed the earthquake and shared it on social media.

"The whole house shook until 05.50 and a slight rumble.

Earthquake?”, writes one person.

The text is updated.