http://www.cnr.it/ontology/cnr/individuo/prodotto/ID189845
Uplift and magma intrusion at LongValley caldera from InSAR and gravity measurements (Articolo in rivista)
- Type
- Label
- Uplift and magma intrusion at LongValley caldera from InSAR and gravity measurements (Articolo in rivista) (literal)
- Anno
- 2009-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1130/G25318A.1 (literal)
- Alternative label
Tizzani P. 1,2; Battaglia M. 3,4; Zeni G. 1,5; Atzori S. 6; Berardino P. 1; Lanari R. 1 (2009)
Uplift and magma intrusion at LongValley caldera from InSAR and gravity measurements
in Geology (Boulder Colo.)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Tizzani P. 1,2; Battaglia M. 3,4; Zeni G. 1,5; Atzori S. 6; Berardino P. 1; Lanari R. 1 (literal)
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- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1. CNR, Ist Rilevamento Elettromagnet Ambiente, I-80124 Naples, Italy; 2. Ist Nazl Geofis & Vulcanol, Osservatorio Vesuviano, I-80124 Naples, Italy; 3. Univ Roma La Sapienza, Dept Earth Sci, I-00185 Rome, Italy; 4. US Geol Survey, Volcano Hazards Team, Menlo Pk, CA 94025 USA; 5. Univ Basilicata, I-85100 Potenza, Italy; 6. Ist Nazl Geofis & Vulcanol, Ctr Nazl Terremoti, I-00143 Rome, Italy (literal)
- Titolo
- Uplift and magma intrusion at LongValley caldera from InSAR and gravity measurements (literal)
- Abstract
- The Long Valley caldera (California) formed similar to 760,000 yr ago following the massive eruption of the Bishop Tuff. Postcaldera volcanism in the Long Valley volcanic field includes lava domes as young as 650 yr. The recent geological unrest is characterized by uplift of the resurgent dome in the central section of the caldera (75 cm in the past 33 yr) and earthquake activity followed by periods of relative quiescence. Since the spring of 1998, the caldera has been in a state of low activity. The cause of unrest is still debated, and hypotheses range from hybrid sources (e.g., magma with a high percentage of volatiles) to hydrothermal fluid intrusion. Here, we present observations of surface deformation in the Long Valley region based on differential synthetic aperture radar interferometry (InSAR), leveling, global positioning system (GPS), two-color electronic distance meter (EDM), and microgravity data. Thanks to the joint application of InSAR land microgravity data, we are able to unambiguously determine that magma is the cause of unrest. (literal)
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