Friday 25 October 2019

Magnitude 4.5 Earthquake in Cádiz Province, Spain.

The United States Geological Survey recorded a Magnitude 4.5 Earthquake at a depth of 10 km, about 3 km to the northwest of the city of Alcalá del Valle in Cádiz Province, Spain slightly at about 9.35 am local time (GMT) on Friday 25 October. There are no reports of any damage or injuries associated with this event, but it was felt over much of southern Spain.

The approximate location of the 25 October 2019 Cádiz Earthquake. USGS.

The quake is likely to be related to Spain's location on the Iberian Peninsula and the natural tectonic stresses encountered there. Iberia is located on the extreme southwest of the Eurasian Plate, close to the margin with Africa, which is pushing into Europe from the south. At the same time there is a lesser area of geological expansion beneath the Bay of Biscay, pushing Iberia southwards. This leads to considerable tectonic stress in southern Spain, leading in turn to the occasional Earthquake.
Witness accounts of Earthquakes can help geologists to understand these events, and the structures that cause them. The international non-profit organisation Earthquake Report is interested in hearing from people who may have felt this event; if you felt this quake then you can report it to Earthquake Report here.

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