Transcript Diapositive 1 - IRIS Consortium

Seismological Workshop
‘Managing Waveform Data and Related Metadata
for Seismic Networks’
Cairo, Egypt
November 8-17, 2009
Seismology and Seismic
Monitoring in Morocco
Taoufik Mourabit
[email protected]
Abdelmalek Essaadi University
Tangiers-Morocco
400
300
Source: ISC 1964-2001 M>=3
Regional Tectonics
Historical Seismicity Map over the past 11
centuries (El Mrabet T.1991, 2002)
Morocco: Agadir Earthquake
February 29, 1960 (M: 5.9)
More than 12000 casualties
Alhoceima 24th february, 2004
Mw=6.3
628 deads, 926 wounded, 2539
collapsed housings and 15230 people
homeless
Isoseismic Map of the
Alhoceima 2004 EQ
Golf of Cadiz
Alboran Sea
Canarias Islands
Moroccan Seismic Networks
•The « Institut Scientifique » (IS) belongs to
Mohamed Vth University in Rabat
•The « Institut National de Géophysique » (ING)
belongs to CNRST the National Center of Scientific
and Technical Research in Rabat
PREMIER
RESEAU SISMIQUE
AUNetwork
MAROC
The
first Moroccan
Seismologic
Institut Scientifique
1964-1968: 3 Stations installées: IFR, RBT et RBTZ
1964-1980: 15 stations et 2 accélérographes.
Instruments courte-période: Sprengthner MEQ800 avec
des capteurs de type Geotech S13 et Willmore MKII (1s),
ou Mark Product (0.5s).
Alhoceima
Rabat
Agadir
Institut National de Géophysique »
(ING)
Sub-network of TANGIER
DAL (2040 Hz)
CPS (680 Hz)
409.600 MHz
418.750 MHz
420.250 MHz
DKH(2380 Hz)
417.800 MHz
TSY
(1020 Hz)
STATION
STATION + STATION REGIONALE
LIAISON RADIO UHF
LIASON TELEPH. SPECIALISEE
RSA (2720)
LS. VERS RABAT
National Institute of Geophysics
• Installation, management and exploitation of the National Seismological
Network
• Permanent (24/24, 7/7) national seismic monitoring and warning
• Seismic monitoring of large dams
• Site Seismic qualification of large buildings
• Seismic microzonation of urban areas
• International cooperation in seismic risk studies and monitoring (CEPRIS,
CTBTO, MEDNET, PROHETEC…)
IGN BROADBAND STATIONS
1- MEDNET Station ( Mediterranean Very Broadband Seismographic Network)
- VBB Very Broadband STS1,Quanterra 680, 24 bits resolution
- Seismicity & lithospheric Studies of the mediterranean bassin
- installed in Rabat, direct link to INGV ROME (by MODEM & INERNET)
2- CTBTO Station (Comprehensive Nuclear-Test-Ban Treaty Organization)
- BB: Broadband STS2, TRIDENT 24 bits resolution
- IMS Auxiliary Station for nuclear explosions monitoring
- installed in Midelt, direct link to the IDC Vienna & CNRST via VSAT
3- Seismic Monitoring Station (in preparation)
- Morocco-USA Cooperation
- 9 Elements Array within 2 Km radius, 9 SP & 1 BB
- regional seismic activity monitoring
- south of Morocco, link to the USA & the CNRST by VSAT
MIDELT CTBTO STATION, SENSORS, DIGITIZER & VSAT MODEM
MIDELT CTBTO STATION, POWER SUPPLY AND VSAT ANTENNA
RABAT VBB MEDNET
STATION
Moroccan Seismic activity from 1900 to 2006