The 1997 Umbria and Marche earthquake occurred in the regions of

Umbria it, Umbro (man) it, Umbra (woman) , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , demographics1_info1 = , ...

and

Marche Marche ( , ) is one of the twenty regions of Italy. In English, the region is sometimes referred to as The Marches ( ). The region is located in the central area of the country, bordered by Emilia-Romagna and the republic of San Marino to the ...

central Central is an adjective usually referring to being in the center of some place or (mathematical) object. Central may also refer to: Directions and generalised locations * Central Africa, a region in the centre of Africa continent, also known a ...

Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...

on the morning of September 26. It was preceded by a foreshock almost as strong as the main quake. The foreshock occurred at 02:33 CEST (00:33 UTC), rated , and the second – the main shock – occurred at 11:40 CEST (09:40 UTC), rated . Their epicentre was in

Annifo Annifo is a ''frazione'' of the ''comune'' of Foligno, Umbria, central Italy. It is located at 874 m. According to the National Institute of Statistics (Italy), Istat census of 2001, it has 244 inhabitants. References Frazioni ...

. The mainshock was assigned X (''Extreme'') and foreshock VIII (''Severe'') on the Mercalli intensity scale. There were several thousands of foreshocks and

aftershock In seismology, an aftershock is a smaller earthquake that follows a larger earthquake, in the same area of the main shock, caused as the displaced crust adjusts to the effects of the main shock. Large earthquakes can have hundreds to thousa ...

s from May 1997 to April 1998, more than thirty of which had a magnitude more than 3.5. Eleven people are known to have died following the shocks.

List of foreshocks and aftershocks

Only shocks (both foreshocks and

s) with magnitude 5.0 or higher are listed.

Notes

External links

CFTI4med

Earthquake Assisi, Italy - Terremoto Assisi, Italia 1997
- The only existing video footage of the quake, showing the moment it destroyed the

Basilica of Saint Francis of Assisi The Basilica of Saint Francis of Assisi ( it, Basilica di San Francesco d'Assisi; la, Basilica Sancti Francisci Assisiensis) is the mother church of the Roman Catholic Order of Friars Minor Conventual in Assisi, a town in the Umbria region in ...

. * {{Authority control Umbria and Marche earthquake Umbria and Marche earthquake

1997 Umbria and Marche earthquake The 1997 Umbria and Marche earthquake occurred in the regions of Umbria and Marche, central Italy on the morning of September 26. It was preceded by a foreshock almost as strong as the main quake. The foreshock occurred at 02:33 CEST (00:33 UT ...

Filmed deaths during natural disasters September 1997 events in Europe 1997 disasters in Italy

List of foreshocks and aftershocks

See also

Notes

Further reading

External links