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Location of this morning's earthquakes on the SW tip of the Reykjanes peninsula of Iceland
Sunday, Oct 13, 2013
A shallow (10 km) magnitude 4.8 earthquake with many pre- and aftershocks (or a seismic swarm) occurred this morning (Sun) at 07:34 UTC at the SW tip of the Reykjanes peninsula, on the SW active rift zone. The swarm of earthquakes included several quakes of magnitude 3 and higher. The strongest earthquake was widely felt in SE Iceland. ... [more]
Earthquakes on and around Iceland on 30 Aug - the Kolbeinsey Ridge is the area with the yellow dots to the north (map: Icelandic Met Office)
Friday, Aug 31, 2012
Yesterday, there was a lot of earthquake activity on Iceland. At noon, a swarm with about 50 quakes partly preceded and followed a magnitude 4.2 quake at 5.8 km depth beneath the Reykjanes peninsula, near the axis of the the SW volcanic rift zone. Most quakes were between magnitudes 1-2 and at around 5 km depth. ... [more]

Reykjanes volcano

Crater rows 230 m / 755 ft
Reykjanes peninsula (SW Iceland), 63.89°N / -22.52°W
Current status: dormant (1 out of 5)
Last update: 13 Oct 2013
Typical eruption style: effusive (lava flows)
Reykjanes volcano eruptions: 1211, 1226
Last earthquakes nearby:
TimeMag. / DepthDistanceLocation
Thu, 17 Apr
Thu, 17 Apr 06:39 UTCM 0.6 / 4.5 km2 km3.0 km ENE of Keilir
Thu, 17 Apr 06:39 UTCM 0.4 / 7.6 km1 km2.9 km E of Keilir
Thu, 17 Apr 00:12 UTCM 0.9 / 7.8 km8 km4.9 km SW of Fagradalsfjall
Thu, 17 Apr 00:10 UTCM 1.5 / 0.1 km10 km3.3 km SW of Fagradalsfjall
Wed, 16 Apr
Wed, 16 Apr 23:46 UTCM 2.1 / 15.6 km42 km4.2 km WNW of Geirfuglasker
View all recent quakes
Reykjanes volcano in SW Iceland is located where the Mid Atlantic Ridge emerges onto land. It forms a vast area with many eruptive fissures, lava fields, hot springs and mud pools. In 2000, a large earthquake lowered the water level in Lake Kleifarvatn by 5 metres, but has gradually returned to normal since then.

Background:

The Reykjanes volcanic system at the SW tip of the Reykjanes Peninsula, where the Mid Atlantic Ridge rises above sea level, comprises a broad area of postglacial basaltic crater rows and small shield volcanoes.
The Reykjanes volcanic system is the westernmost of a series of four closely-spaced fissure systems that extend diagonally across the Reykjanes Peninsula. Most of the volcanic system is covered by Holocene lavas and eruptions have occurred in historical time during the 13th century at several locations on the NE-SW-trending fissure system.
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Source: GVP, Smithsonian Institute



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