The remote North Atlantic country hit headlines in April 2010 when ash from the erupting Eyjafjallajokul volcano grounded flights across Europe for days.
Travel chaos ensued and left millions stranded at airports unable to travel home, including families and teachers on holiday during the school Easter break.
The Icelandic Meteorological Office has not yet changed the alert status for Katla from “normal” as no tremors have been recorded.
Katla has experienced various earthquake swarms over the last 10 years, but none as large as this weekend’s since 1977.
Gunnar Gudmundsson, a geophysicist, said that authorities are monitoring the situation and described it as "a little bit unusual", but said there's "no sign" of an eruption.
