An earthquake of a magnitude 3.6 occurred at 4:01 am this morning in the Öxarfjörður region, Northeast Iceland, the Icelandic Met Office reports. Locations of earthquakes in Iceland in the last 48 hours are shown as circles. I was in New Zealand and felt a few during my trip there and was thinking whether I … The earthquake in Katla volcano. Its epicenter was in Öxarfjörður fjord, 12 km west-southwest of the town of Kópasker, where residents reported having felt it. Seismic array recordings are compared with effusion rates deduced from Moderate Resolution Imaging Spectroradiometer recordings and ground video monitoring data and lead to the identification of three coexisting eruptive tremor sources. Iceland's Bardarbunga volcano was shaken by a 5.7 magnitude earthquake on Tuesday, the largest temblor to rumble beneath the volcano since the … Answer 1 of 5: I am interested to know if Iceland often has earth tremors being a volcanic island? No change in harmonic tremor was seen after this earthquake and no other earthquake activity has happened after this earthquake besides a one earthquake with magnitude Mw1,2 at 13:31 UTC. The image is refreshed every 2 minutes. The earthquakes continued until morning with the strongest aftershocks measuring 4.6 at 5:46 a.m. and 4.3 at 6:23 a.m., according to … An earthquake (also known as a quake, tremor or temblor) is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves.Earthquakes can range in size from those that are so weak that they cannot be felt to those violent enough to propel objects and people into the air, and wreak destruction across entire cities. It is the largest volcano observed erupting on Iceland in the past 200 years. REYKJAVIK, Iceland -- A 5.6-magnitude earthquake hit southwest Iceland on Tuesday, shaking buildings in the capital, Reykjavik. The colors of the circles show the time since the earthquakes occured (the numbers below the color palette represent hours). As can be seen in a map of tremors in the region from the Icelandic Met Office, there was noticeable activity around Hekla last night. Three hundred tremors registered overnight in the area. More than 500 tremors have registered in and around Öxarfjörður, Northeast Iceland, since Saturday, and the earth kept trembling overnight, mbl.is reports. Residents describe first hearing the earth rumbling followed by the tremors shaking their homes and waking sleeping children. While the tremors themselves were not particularly strong, an unusual amount of tremors in a very short amount of time raised reasonable concern. There were no immediate reports of injuries. On 21 June 2010, data from seismic recorders in the area indicated that the frequency and strength of earth tremors had diminished, but were continuing. We analyze eruptive tremor during one of the largest effusive eruptions in historical times in Iceland (2014/2015 Holuhraun eruption).