Earthquake — Portugal: Ribatejo, Benavente

时间

1909年4月23日

类型

地震

震级

6.6

位置

Portugal

坐标

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 domain来源页面
• Wikipedia year pages (English), by Wikipedia contributorsWikipedia contributors · 称之为“In Portugal, a magnitude 6.0 earthquake strikes near Lisbon, killing at least 60 people”Creative Commons Attribution-ShareAlike 4.0来源页面