This is a much better introduction to what has happened this week; the original article gives absolutely no context about the related volcanic activity.
TLDR; Grindavík is located in Iceland, a country known for its volcanic activity. Earthquakes and land deformation have exploded in frequency in the area under and around the small town of 4,000 people and geologists expect a volcanic eruption is imminent. The town has been evacuated.
TLDR; Grindavík is located in Iceland, a country known for its volcanic activity. Earthquakes and land deformation have exploded in frequency in the area under and around the small town of 4,000 people and geologists expect a volcanic eruption is imminent. The town has been evacuated.