Volcano ground rising near Naples, Italy

February 26, 2007

Geologists are reporting the ground at the Campi Flegrei caldera, near Naples, Italy, is undergoing renewed uplift.

Researchers at Italy's Geophysical National Institute and Volcanology Observatory report the volcanic area, which had its last eruption in 1538, started a new uplift episode in November 2004. That uplift began at a low rate but has slowly and steadily increased.

According to previous studies, the 16th-century eruption occurred after decades of uplift coupled with brief periods of subsidence. Within the past 40 years, the caldera experienced a huge uplift phase until 1985. The new data indicate a subsequent period of subsidence has now ended.

Scientists say the ratio of maximum horizontal to vertical displacement, determined from Global Positioning System data, suggests the uplift is associated with input of magma from a shallow chamber.

The research appears in the journal Geophysical Research Letters.

Copyright 2007 by United Press International

Explore further: Satellite imagery detects thermal 'uplift' signal of underground nuclear tests

Related Stories

Uplifted island

June 22, 2015

The island Isla Santa MarĂ­a in the south of central Chile is the document of a complete seismic cycle.

Taranaki's unusual earthquakes

February 1, 2017

New research from Victoria University of Wellington suggests a cluster of deep earthquakes beneath Taranaki may provide a vital clue to understanding how New Zealand's landmass was created.

Recommended for you

Rainfall's natural variation hides climate change signal

February 22, 2018

New research from The Australian National University (ANU) and ARC Centre of Excellence for Climate System Science suggests natural rainfall variation is so great that it could take a human lifetime for significant climate ...

Seasonal patterns in the Amazon explained

February 22, 2018

Environmental scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have led an international collaboration to improve satellite observations of tropical forests.

0 comments

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.