Page 287 - Caldera Volcanism Analysis, Modelling and Response

262 J. Martı ´ et al.

al. al. al. al. al.
Davy Ingham et Soengkono (2005), Meyer Bruno et Lorenzo Guidarelli al. et Nishimura Keller et et et Heiken

(1993), Caldwell Bibby al. et and Orsi de (2001a, (2002) (1984) and Lutter Steck Wannamaker Aprea (1990)

Source Davy and (1998), (2005), (1995), (1995) Vanorio Aster (1988), (2004), (1999), al. et 2001b); al. et Masturyono (2001), al. et Bruce (1993), (1995), (1998), (1997), (2002), al. et

Taupo and gas- depth, represent can to

Lake collapse 420 km 3 ) caldera overpressured and low upper corresponding resistivities

of of southern the depth 2 km might depth the faulting
part edge (ca. with within at data, reservoirs gravity into flows variable local

northern western fill caldera coincide centred 4 km to up represent located well and rim 4–5 km with mantle extending resistivity debris but by relief

calderas. in anomaly at anomaly faults caldera of anomaly Pozzuoli anomaly may anomaly data caldera between adjacent coincides uppermost zones zones fault low and land-slide higher controlled structural

selected volcaniclastic boundaries near Vp/Vs Pozzuoli of horseshoe-shaped gravity of remainder reservoir horizontally zone the low-velocity and low: relatively Tuff alteration in

at results Bouguer magnetic thick inward-inclined Bouguer low city the formation with magma separate low-velocity into traced fracture gravity of 200 m unconsolidated Bandelier of change
investigations Main Negative Positive structure 3 km ca. Steep northern Negative depression and Flat Under bearing V p *V s consistent on-land of Top Two One be Multiple, mantle Multiple Central Upper Beneath because Substantial

geophysical data

from Geophysical investigation Gravity Seismic Electric Magnetic Seismic Gravity Magnetic Seismic Gravity Seismic Gravity Magnetotelluric Borehole

results

of New Italy
Compilation caldera, Flegrei, Indonesia USA caldera,

2 Location Taupo Zealand Campi
Table Toba, Valles