scholarly journals Small-scale gravity modeling of upper crustal structures in the Araba Valley along the Dead Sea Transform

2006 ◽  
Vol 7 (9) ◽  
pp. n/a-n/a ◽  
Author(s):  
Z. Tašárová ◽  
H.-J. Götze ◽  
R. El-Kelani ◽  
J. Ebbing ◽  
M. Hassouneh
Keyword(s):  
Dead Sea ◽  
Gravity Modeling ◽  
Small Scale ◽  
Dead Sea Transform ◽  
Crustal Structures ◽  
The Dead

Seismic Energy Release from Intra-Basin Sources along the Dead Sea Transform and Its Influence on Regional Ground Motions

2020 ◽  
Author(s):  
Roey Shimony ◽  
Zohar Gvirtzman ◽  
Michael Tsesarsky
Keyword(s):  
Ground Motions ◽  
Seismic Energy ◽  
Sedimentary Basins ◽  
Seismic Wave Propagation ◽  
Dead Sea ◽  
Strike Slip ◽  
Dead Sea Transform ◽  
Bay Area ◽  
The Dead ◽  
Surrounding Areas

ABSTRACT The Dead Sea Transform (DST) dominates the seismicity of Israel and neighboring countries. Whereas the instrumental catalog of Israel (1986–2017) contains mainly M<5 events, the preinstrumental catalog lists 14 M 7 or stronger events on the DST, during the past two millennia. Global Positioning System measurements show that the slip deficit in northern Israel today is equivalent to M>7 earthquake. This situation highlights the possibility that a strong earthquake may strike north Israel in the near future, raising the importance of ground-motion prediction. Deep and narrow strike-slip basins accompany the DST. Here, we study ground motions produced by intrabasin seismic sources, to understand the basin effect on regional ground motions. We model seismic-wave propagation in 3D, focusing on scenarios of Mw 6 earthquakes, rupturing different active branches of the DST. The geological model includes the major structures in northern Israel: the strike-slip basins along the DST, the sedimentary basins accompanying the Carmel fault zone, and the densely populated and industrialized Zevulun Valley (Haifa Bay area). We show that regional ground motions are determined by source–path coupling effects in the strike-slip basins, before waves propagate into the surrounding areas. In particular, ground motions are determined by the location of the rupture nucleation within the basin, the near-rupture lithology, and the basin’s local structure. When the rupture is located in the crystalline basement or along material bridges connecting opposite sides of the fault, ground motions behave predictably, decaying due to geometrical spreading and locally amplified atop sedimentary basins. By contrast, if rupture nucleates or propagates into shallow sedimentary units of the DST strike-slip basins, ground motions are amplified within, before propagating outside. Repeated reflections from the basin walls result in a “resonant chamber” effect, leading to stronger regional ground motions with prolonged durations.

Multiple strike-slip fault sets: A case study from the Dead Sea Transform

Tectonics ◽  
1990 ◽  
Vol 9 (6) ◽  
pp. 1421-1431 ◽  
Author(s):  
H. Ron ◽  
A. Nur ◽  
Y. Eyal
Keyword(s):  
Dead Sea ◽  
Strike Slip ◽  
Strike Slip Fault ◽  
Dead Sea Transform ◽  
The Dead

Late Pleistocene extension and strike-slip in the Dead Sea Basin

2004 ◽  
Vol 141 (5) ◽  
pp. 565-572 ◽  
Author(s):  
YUVAL BARTOV ◽  
AMIR SAGY
Keyword(s):  
Internal Structure ◽  
Slip Rate ◽  
Dead Sea ◽  
Strike Slip ◽  
Normal Faults ◽  
Small Scale ◽  
Dead Sea Basin ◽  
Pull Apart Basin ◽  
Western Border ◽  
The Dead

A newly discovered active small-scale pull-apart (Mor structure), located in the western part of the Dead Sea Basin, shows recent basin-parallel extension and strike-slip faulting, and offers a rare view of pull-apart internal structure. The Mor structure is bounded by N–S-trending strike-slip faults, and cross-cut by low-angle, E–W-trending normal faults. The geometry of this pull-apart suggests that displacement between the two stepped N–S strike-slip faults of the Mor structure is transferred by the extension associated with the normal faults. The continuing deformation in this structure is evident by the observation of at least three deformation episodes between 50 ka and present. The calculated sinistral slip-rate is 3.5 mm/yr over the last 30 000 years. This slip rate indicates that the Mor structure overlies the currently most active strike-slip fault within the western border of the Dead Sea pull-apart. The Mor structure is an example of a small pull-apart basin developed within a larger pull-apart. This type of hierarchy in pull-apart structures is an indication for their ongoing evolution.

Topographic- and density-driven fluids as sources of iron mineralization and dolomitization adjacent to the Dead Sea Transform

2006 ◽  
Vol 70 (18) ◽  
pp. A400 ◽  
Author(s):  
A. Matthews ◽  
Y. Erel ◽  
N. Listovsky ◽  
S. Grosz ◽  
A. Ayalon ◽  
...  
Keyword(s):  
Dead Sea ◽  
Dead Sea Transform ◽  
The Dead

A Fresh View of the Tsunami Generated by the Dead Sea Transform, 1995 Mw 7.2 Nuweiba Earthquake, along the Gulf of Elat–Aqaba

2019 ◽  
Author(s):  
Eran Frucht ◽  
Amos Salamon ◽  
Erez Gal ◽  
Hanan Ginat ◽  
Marina Grigorovitch ◽  
...  
Keyword(s):  
Dead Sea ◽  
Dead Sea Transform ◽  
The Dead

scholarly journals Contrasting fluid regimes along the Dead Sea Transform

Geofluids ◽  
2007 ◽  
Vol 7 (3) ◽  
pp. 275-291 ◽  
Author(s):  
C. JANSSEN ◽  
R. L. ROMER ◽  
B. PLESSEN ◽  
R. NAUMANN ◽  
A. HOFFMANN-ROTHE ◽  
...  
Keyword(s):  
Dead Sea ◽  
Dead Sea Transform ◽  
The Dead
Sign in / Sign up

Export Citation Format

Share Document