Earthquake — Portugal: Ribatejo, Benavente

متى

23 أبريل 1909

النوع

زلزال

القوة

6.6

الموقع

Portugal

إحداثيات

38.90° N, 8.80° W

Deaths

30

Intensity mmi

10

Earthquake affecting Portugal

The 1909 Benavente earthquake occurred on 23 April at 17:39 GMT with an epicenter in the Lisbon region of Portugal. The earthquake had an estimated moment magnitude of 6.0 and had maximum Mercalli intensity of IX (Violent). Beneath the Lower Tagus Valley, where the earthquake occurred, is a system of normal faults that were reactivated during the Eocene as reverse faults.

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• NCEI significant earthquakes, tsunamis and volcanic eruptionsNOAA National Centers for Environmental InformationPublic domainصفحة المصدر
• Wikipedia year pages (English), by Wikipedia contributorsWikipedia contributors · يسمّيه «In Portugal, a magnitude 6.0 earthquake strikes near Lisbon, killing at least 60 people»Creative Commons Attribution-ShareAlike 4.0صفحة المصدر