Sea of Galilee: Comprehensive analysis of magnetic anomalies

Eppelbaum, Lev; Ben‐Avraham, Zvi; Katz, Youri; Marco, Shmuel

doi:10.1560/nqur-cr5m-aqqx-kx1a

Cited by 22 publications

(22 citation statements)

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“…Gravity-, magnetic-, and seismic surveys in the area suggest the occurrence of a deep sub-basin within the Kinnarot Basin, extending below the southern part of the lake as outlined by buried NW-SE faults ( Fig. 1; Ben-Avraham et al 1996;Eppelbaum et al 2004;Reznikov et al 2004).…”

Section: Geological Background Of the Kinnarot Basinmentioning

confidence: 99%

Relationship of brines in the Kinnarot Basin, Jordan‐Dead Sea Rift Valley

et al. 2011

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Element ratios and water stable isotopes reveal the presence of only two independent deep brines in the Kinnarot Basin, Israel: the evaporite dissolution brine of Zemah‐1 and the inferred Ha’on mother brine (HMB) with low and high Br/Cl ratios, respectively. HMB is considered to be a representative of the Late Pliocene evaporated Sedom Sea. The freshwater‐diluted evaporation brine emerges as Ha’on brine on the eastern shore of Lake Tiberias and is also identified in the pore water of lake sediments. HMB is converted into Tiberias mother brine (TMB) by dolomitization of limestones and alteration of abundant volcanic rocks occurring along the western side of the lake. The Ha’on and Tiberias brines, both characterized by high δD and δ18O values, are similar in Na/Cl and Br/Cl ratios but are dissimilar in Br/K ratios because these brines were subjected to different degrees of interactions with rocks and sediments. Excepting the brine from KIN 8, all brines from the Tabigha area including the nearby off‐shore Barbutim brine are related to the TMB. The brine KIN 8 and all brines from the Fuliya and Hammat Gader areas are related to the HMB. The brine encountered in wildcat borehole Zemah‐1 is generated by halite‐anhydrite/gypsum dissolution and is independent from the HMB system.

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Section: Geological Background Of the Kinnarot Basinmentioning

confidence: 99%

Relationship of brines in the Kinnarot Basin, Jordan‐Dead Sea Rift Valley

et al. 2011

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“…Geophysical data, in particular gravity and magnetism, indicate that this province of extends eastward approximately one-third of the present lake (Ben-Avraham et al, 1996;Eppelbaum et al, 2004).…”

Section: Structurementioning

confidence: 85%

The use of acoustic imaging to reveal fossil fluvial systems—a case study from the southwestern Sea of Galilee

et al. 2007

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“…The Hamat Tiberias hot springs (Figure 2a) are interpreted as linked to a steep east dipping normal fault (Ilani et al, 2006); geomorphic and structural evidence is used by Sagy et al (2016; see also Garfunkel et al, 1981) to map a series of active and potentially active normal fault segments for a total length of 40–45 km up to Tel Rehov and Tel Teomim, where Late Pleistocene normal faulting has been described in detail, also through exploratory trenching (Garfunkel et al, 1981; Sagy et al, 2016; Zilbermann et al, 2004). Field mapping, offset landforms, and exploratory excavations allow to estimate the Quaternary normal slip rate of this fault in 0.5–2 mm/year, without significant strike‐slip component (Eppelbaum et al, 2004, 2007; Hurwitz et al, 2002; Zilbermann et al, 2004). In the following, we refer to the whole segment from Arbel to Tel Rehov and Tel Teomim as the Jordan Valley Western Boundary Fault (JVWB), and for modeling purposes, we assume that it is continuous at the subsurface (Figure 1b).…”

Section: Study Areamentioning

confidence: 99%

The Mid‐eighth Century CE Surface Faulting Along the Dead Sea Fault at Tiberias (Sea of Galilee, Israel)

et al. 2020

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The Dead Sea Fault (DSF) is a plate-boundary where large earthquakes are expected, but there is a lack of such events in the instrumental era. Sequences of earthquakes along the DSF are documented by historical evidence, one of the most devastating occurred in the mid-eighth century CE. Here we describe site-specific archaeoseismological observations at the ancient Tiberias city, on the western shore of the Sea of Galilee. We map Roman and Byzantine relics faulted in the mid-eighth century CE by a pure normal fault. We use geophysical, geomorphological, and structural analyses integrated with published data, to assess the seismic hazard of the Jordan Valley Western Boundary Fault (JVWB). We propose that the normal JVWB can rupture the surface along its~45 km trace running from Tiberias toward the S crossing Bet Shean, Tel Rehov, and Tel Teomim. The JVWB, parallel to the main strike-slip Jordan Valley Fault segment, might be regarded as a major earthquake source in this region. We test the hypotheses of both single fault and multifaults rupture scenarios, which result in an expected range of Mw from 6.9 (single rupture of the JVWB) to 7.6 (multiple rupture of the JVWB and Jordan Valley Fault). Our results suggest that seismic source characterization in the Sea of Galilee region must include normal faults capable of surface rupturing, despite the absence of such events in the instrumental catalogue.

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Sea of Galilee: Comprehensive analysis of magnetic anomalies

Cited by 22 publications

References 0 publications

Relationship of brines in the Kinnarot Basin, Jordan‐Dead Sea Rift Valley

Relationship of brines in the Kinnarot Basin, Jordan‐Dead Sea Rift Valley

The use of acoustic imaging to reveal fossil fluvial systems—a case study from the southwestern Sea of Galilee

The Mid‐eighth Century CE Surface Faulting Along the Dead Sea Fault at Tiberias (Sea of Galilee, Israel)

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