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Project INGV-DPC S5 High-resolution multi-disciplinary monitoring of active fault test-site areas in Italy. Task 2 – Test site “Messina Strait”. WP2. 2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures.

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Task 2 – Test site “Messina Strait”


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Project INGV-DPC S5High-resolution multi-disciplinary monitoring of active fault test-site areas in Italy

Task 2 – Test site “Messina Strait”

WP2.2Integratedseismic data bank and refinedearthquake location todefineseismogeneticstructures

Milena Moretti*, Aladino Govoni*, Alfonso Mandiello*, Lucia Margheriti*, Corrado Castellano*, Fabio Criscuoli*, Paola Baccheschi* and Salvatore Mazza*

with the support of UF Analisi Dati per la Sismologia*

*Istituto Nazionale di Geofisica e Vulcanologia - Centro Nazionale Terremoti, Roma

Meeting 24 Marzo 2010 - Roma

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OBJECTIVES

The main goal of this WP is the creation of a qualified waveform archive that will collect, in a uniform format (SEED), the data of all the available seismic stations in the region.

It will be the first example of complete integration of permanent networks (National Seismic Network; MedNet; Peloritani Local Network), temporary deployments (both mobile network from INGV CNT and INGV CT) and OBS data, that hopefully will become a standard for INGV seismic experiment.

We will compute refined hypocentral locations to define seismogenic structures inside the Messina Strait and in the surrounding region especially in the Tyrrhenian and Ionian sea.

We will evaluate the improvement introduced by the use of OBS on the seismic detection and on earthquakes location.

Test site 2 “Messina Strait” | WP2.2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures

Meeting 24 Marzo 2010 - Roma

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Test site 2 “Messina Strait” | WP2.2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures

STATE OF THE ART

THE PASSIVE SEISMIC EXPERIMENT INTEGRATED SEA-LAND WHICH STARTED IN OCTOBER 2007 (“Messina 1908-2008” Experiment)

Test site 2 “Stretto di Messina” | WP2.2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures

Meeting 24 Marzo 2010 - Roma

Meeting 24 Marzo 2010 - Roma

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Test site 2 “Messina Strait ” | WP2.2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures

N° 15 on-land seismic stations

N° 5 OBS (July 15, 2008 – November 8, 2008; WP2.1)

“Messina 1908-2008” Experiment

October 18, 2007 - January 31, 2010

Meeting 24 Marzo 2010 - Roma

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Test site 2 “Messina Strait” | WP2.2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures

OBS acquisition

(July 15, 2007 – November 8, 2007)

Meeting 24 Marzo 2010 - Roma

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Test site 2 “Messina Strait” | WP2.2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures

Seismicity from ISIDE (http://iside.rm.ingv.it)

July15, 2008 – November 8, 2008

October 18, 2007 - January 31, 2010

Meeting 24 Marzo 2010 - Roma

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Test site 2 “Messina Strait” | WP2.2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures

Seismicity from ISIDE (http://iside.rm.ingv.it)

October 18, 2007 - January 31, 2010

Meeting 24 Marzo 2010 - Roma

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Test site 2 “Messina Strait” | WP2.2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures

State of the art:

THE PASSIVE SEISMIC EXPERIMENT INTEGRATED SEA-LAND WHICH STARTED IN OCTOBER 2007

THE WAVEFORM ARCHIVE

Meeting 24 Marzo 2010 - Roma

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Activities

Starting from February 2008 INGV CNT (Rome) and INGV Catania data center are connected in real time via seedlink;

we converted all the continuous seismic recordings of the temporary stations in standard format SEED;

we generated the dataless of the temporary stations;

the dataset has been formatted and structured following the standard of the INGV national databank (EIDA);

the temporary stations codes have been registered at ISC (International Seismological Center).

All the station data is available for download at www.eida.rm.ingv.it

Test site 2 “Messina Strait” | WP2.2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures

Meeting 24 Marzo 2010 - Roma

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Test site 2 “Messina Strait” | WP2.2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures

Meeting 24 Marzo 2010 - Roma

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Test site 2 “Messina Strait” | WP2.2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures

State of the art:

THE PASSIVE SEISMIC EXPERIMENT INTEGRATED SEA-LAND WHICH STARTED IN OCTOBER 2007

THE WAVEFORM ARCHIVE

HOWAND WHERETO FIND THE WAVEFORM

Meeting 24 Marzo 2010 - Roma

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Test site 2 “Messina Strait” | WP2.2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures

On-land temporary seismic network

Web site: EIDA | http://eida.rm.ingv.it/

Meeting 24 Marzo 2010 - Roma

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Test site 2 “Messina Strait” | WP2.2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures

Select an area coordinate

37.5-38.4/14.2-16.6

October 18, 2007 - January 31, 2010

Meeting 24 Marzo 2010 - Roma

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Test site 2 “Messina Strait” | WP2.2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures

OBS temporary seismic network

ftp://ftp.ingv.it/pro/s5-data/

Meeting 24 Marzo 2010 - Roma

Meeting 24 Marzo 2010 - Roma

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Test site 2 “Messina Strait” | WP2.2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures

State of the art:

THE PASSIVE SEISMIC EXPERIMENT INTEGRATED SEA-LAND WHICH STARTED IN OCTOBER 2007

THE WAVEFORM ARCHIVE

HOWAND WHERETO FIND THE WAVEFORM

To be done:

CREATE DATALESS FOR THE OBS

DATASET TRIGGERING AND PICKING

Meeting 24 Marzo 2010 - Roma

Meeting 24 Marzo 2010 - Roma

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Test site 2 “Messina Strait” | WP2.2 Integrated seismic data bank and refined earthquake location to define seismogenetic structures

Acknowledgements:

Luigi Abruzzese, , Giampiero Aiesi, Alberto Basili, Andrea Bono, Corrado Castellano, Fabio Criscuoli, Giuseppe D’Anna, Roberto D’Anna, Giovanni De Luca, Diego Franceschi, Lucian Giovani, Francesco Pio Lucente, Alfonso G. Mandiello, Giorgio Mangano, Marco Manni, Giuseppe Passafiume, Pier Raffaele Platania, Orazio Torrisi, Salvatore Mazza, Luciano Scuderi, Stefano Speciale, Salvatore Rapisarda, Luciano Zuccarello and UF ADS

Meeting 24 Marzo 2010 - Roma