Summary report on the 30 october, 2016 earthquake in central Italy Mw 6.5

Abstract

The earthquake of October 30 th 2016 at 06:40:17 UTC, (07:40:17, Italian time) was the Italian strongest event after the 1980 M W 6.9 Irpinia earthquake. The hypocenter coordinates are: Latitude 42.84 North, Longitude 11.13 East, depth 9 km. The magnitude calculated in the INGV monitoring room is 6.1 M L e 6.5 M W . The earthquake affected the provinces of Perugia, Rieti and Macerata and was strongly felt in central Italy; the epicenter is located 5 km from Norcia, 7 from Castelsantangelo sul Nera and Preci, 10 from Visso. In case of an earthquake of magnitude 6.5 the fault has an area of several hundred square kilometers and therefore the entire area above and around the fault is affected by strong shaking. Up to this moment the earthquake of October 30 is the strongest event of the sequence which began with the earthquake of August 24 th of M W= 6.0 and also counts a quake of magnitude M W =5.9 of October 26 th .