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ZONAS SISMICAS Dr. Victor A. Hu è rfano. PLACAS TECTONICAS: Sismicidad Mundial. CARIBBEAN PLATE. PUERTO RICO. BACKGROUND. Puerto Rico. Dominican Rep. Virgin Islands. Cuba. Lesser Antilles. Jamaica. Haiti. Trinidad. PLATE BOUNDARIES. Mona Canyon. North America - PowerPoint PPT Presentation
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ZONAS SISMICAS Dr. Victor A. Huèrfano
CARIBBEAN PLATE
PUERTO RICO
PLACAS TECTONICAS: Sismicidad Mundial
BACKGROUND
Puerto Rico
Dominican Rep.
HaitiJamaica
Cuba
Virgin Islands
Lesser Antilles
Trinidad
PLATE BOUNDARIES
Cocos Plate
Caribbean Plate
South America Plate
North America Plate
Puerto Rico Trench
Muertos Trough
Anegada Passage
19ºN Fault Zone
Septentrional Fault MonaCanyon
17871670
1943
1867
1918
1946
186717 casualties
191840 (100) casualties
1946100 (1790) casualties
16922000 (???) casualties
1780300 (???) casualties
1842300 (???) casualties
1564
1770
Shepherd, et al, (1992)
1670 MM = VII, San Germán y San Juan
1787 M @7-8,MM = VII-VIII, Costa Norte, Este y Oeste
1867 M =7.3, MM = VIII, Islas Vírgenes, Tsunami 20’
1918 M = 7.3, MM = VIII, Área Oeste de PR, Tsunami 20’
1943 M = 7.5, MM = V, Noreste de Puerto Rico
Soufriere
Kick’em Jenny
EARTHQUAKES, TSUNAMIS and Active Volcanoes
I. No feltII. Scarcely FeltIII. WeakIV. Largely ObservedV. StrongVI. Slightly DamagingVII. DamagingVIII. Heavily DamagingIX. DestructiveX. Very destructiveXI. DevastatingXII. Completely Devastating
Intensity H (m)
I-V < 1.0
VI 2.0
VII-VIII 4.0
IX-X 8.0
XI 16.0
XII 32.0
ESCALA DE INTENSIDAD DE MAREMOTOS (Papadopolus e Imamura)
TSUNAMIS in the Atlantic
ZONAS SISMICAS Y SISMICIDAD LOCAL
MEDICIONES DE GPS Jansma, 2000
Clinton, Cua, Huèrfano, von Hillebrandt and Martinez 2006
DISTRIBUCION LOCAL DE SISMICIDAD
Clinton, Cua, Huèrfano, von Hillebrandt and Martinez (2006)
(J. Joyce)
(ten Brink)
(P. Dillon)
PUERTO RICO FAULT SYSTEMS
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( Masson and Scanlon )
PUERTO RICO FAULT SYSTEMS
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( D. Larue )
PUERTO RICO FAULT SYSTEMS
PUERTO RICO FAULT SYSTEMS
(N. Grindlay )
PUERTO RICO FAULT SYSTEMS
(W. McCann )
ZONAS SISMICAS Y MODELAJE NUMERICO
PRT-ASegments: 24Maximum M: 8.0Recurrence T: 3800
PRT-BSegments: 27Maximum M: 8.0Recurrence T: 3800
19ºNSegments: 16Maximum M: 7.6Recurrence T: 3300
SOMBRERO SZSegments: 24Maximum M: 7.7Recurrence T: 1200
ANEGADA P.Segments: 28Maximum M: 7.7Recurrence T: 3700
LEEWARD LZ.Segments: 11Maximum M: 7.0Recurrence T: 3000
MUERTOS T.Segments: 28Maximum M: 7.7Recurrence T: 3700
SEPTENTRIONAL F.Segments: 14Maximum M: 7.8 (ref)Recurrence T: 1900
MONA CANYONSegments: 24Maximum M: 7.5Recurrence T: 2000
EASTERN DR.Segments: 9Maximum M: 7.2Recurrence T: 800
SOUTHWESTERN Segments: 36Maximum M: 6.6Recurrence T: 1800
NORTH PLATFORMSegments: 25Maximum M: 6.8Recurrence T: 2500
PUERTO RICO REGION
Faults: 102Segments: 268 Maximum M (Faults): 7.6Maximum M (Segments): 7.2Seismic Catalogue: 10031Waveform Catalogue: 3518Quakes used: 4422Depth: ≤ 50 kmOffshore SeismicityCompleteness: 3.2 Ml (Outside)
( Huérfano )
PR-TWMP Numerical Data Base
QUE PODEMOS HACER?