On 18-August 2025 at 18:10 UTC an earthquake with magnitude of Mw3,8 took place in Brennisteinsfjöll volcano. This earthquake was felt in Reykjavík and nearby towns.
This earthquake swarm has stopped. There is a lot of stress on the crust in this part of Reykjanes because of the ongoing inflation and deflation cycle in Svartsengi volcano. Larger earthquake might happen without warning.