10th Congress of the Balkan Geophysical Society (Albena Resort 2019)

Albena Resort, 18 - 22 September 2019

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Curran Associates, Inc. 57 Morehouse Lane Red Hook, NY 12571 USA Phone: 845-758-0400 Fax: 845-758-2633 Email: [email protected] Web: www.proceedings.com TABLE OF CONTENTS

PRELIMINARY RESULTS FROM ANALYSIS OF GEODETIC DATA FOR THE NORTHERN LANDSLIDE “MOMCHILOV RID” ...... 1 N. Dimitrov, I. Georgiev, M. Atanasova, A. Ivanov

PRELIMINARY RESULTS OF INTEGRATED GEOPHYSICAL SURVEYING IN AN ACTIVE LANDSLIDE IN ISIKLAR-TRABZON, TURKEY ...... 6 M. Senkaya, A. E. Babacan, H. Karsli

RAINFALLS AND GROUNDWATER INFLUENCES ON LANDSLIDES IN NORTHEAST BULGARIA...... 11 Y. Chapanov, M. Atanasova, T. Orehova, H. Nikolov

GEOPHYSICAL SURVEYS FOR A QUARRY CHARACTERIZATION - A CASE STUDY IN KONSKO, GEVGELIJA ...... 16 I. Gjorgjeska, V. Sesov

HEAVY RAINFALLS IN BULGARIA DUE TO SOLAR ACTIVITY AND THEIR POSSIBLE INFLUENCE ON LANDSLIDES ...... 21 Y. Chapanov, M. Atanasova, H. Nikolov

APPLICATION OF ELECTRICAL RESISTIVITY TOMOGRAPHY AND INDUCED POLARIZATION FOR IDENTIFICATION OF UNDERGROUND REINFORCED CONCRETE STRUCTURES ...... 26 I. Taleski, A. Velevski

DETECTION OF BURIED FOUNDATIONS IN URBAN ENVIRONMENT BY ELECTRICAL RESISTIVITY TOMOGRAPHY...... 31 F. Chitea, D. Ioane, C. Tolbes, M. C. Calin, A. Diaconu

SEISMIC LOCATION OF COAL SEAM FAULTS IN UNDERGROUND COAL MINING...... 36 O. Sukhinina

DEPTH ESTIMATION FROM GRAVITY DATA USING RADIAL AMPLITUDE SPECTRUM METHOD: APPLICATION ON DIKILI (IZMIR) GEOTHERMAL FIELD...... 41 E. Timur, C. Sari

A HIDDEN CALDERA REVEALED FROM MAGNETOTELLURIC DATA IN CAPPADOCIA REGION OF CENTRAL TURKEY ...... 46 A. T. Basokur, N. Meqbel, Ö. Hacioglu, H. I. Arslan, T. Efeçinar

PROCESSING AND INTERPRETATION OF GEOLOGICAL AND GEOPHYSICAL DATA FOR ESTABLISHING THE GEOTHERMAL RESOURCES ...... 51 N. Asimopolos, L. Asimopolos

INVESTIGATION OF GEOTHERMAL POTENTIAL OF BALIKESIR-SINDIRGI-DÜVERTEPE AREA WITH MAGNETOTELLURIC METHODS...... 56 C. Sari, E. Icoz, E. G. Yurtkal

TENTATIVE OBLIQUE SUBDUCTION HIGH RESOLUTION MODELS, LEAD TO REDUCING COSTS OF HPCC USAGE...... 61 M. Pomeran, L. Zlagnean, L. Besutiu

WIRELESS MOBILE DIGITAL DEVICE FOR AMBIENT NOISE RECORDING...... 66 D. Z. Zlatanski, D. Gospodinov

ABSOLUTE MAGNETIC MEASUREMENTS, METHODS, AND INSTRUMENTATION ...... 71 A. Domjan, L. Hegymegi, C. Hegymegi

HIGH RESOLUTION REFLECTIVITY INVERSION WITH CAUCHY REGULARIZATION AND ACOUSTIC IMPEDANCE CONVERSION...... 76 H. Karsli

INTEGRATED APPROACH FOR PRE-DRILL PORE PRESSURE PREDICTION IN DATA- LIMITED EXPLORATION AREA–A CASE STUDY FROM OFFSHORE MYANMAR...... 81 A. Sakulraungsri, P. Boonyasatphan, K. Rungsai, S. Sa-Nguanphon, P. Som-In, V. Chaisomboonpan, H. Sognnes, J. Iamboon

VELOCITY MODEL BUILDING – KEY ISSUE FOR SEISMIC MIGRATION PROCESS...... 86 M. Grigorova

GEOPHONE ARRAY VS SINGLE SENSOR FIELD DATA CASE STUDY IN PANNONIAN BASIN ...... 91 M. Vanic, A. Saprygin, S. Milojevic, I. Bogatyrev, A. Polivakho

CROSSHOLE SEISMIC TOMOGRAPHY FOR THE DETECTION OF ABANDONED UNDERGROUND LIGNITE MINE GALLERIES...... 96 G. Kritikakis, A. Vafidis, G. Tsilfidis, K. Papakonstantinou

SEISMIC INVESTIGATION FOR THE DETECTION OF LIQUEFACTION PHENOMENA IN AN ARCHAEOLOGICAL SITE, LECHAION, GREECE...... 101 G. Apostolopoulos, K. Leontarakis, C. Orfanos, D. Minos-Minopoulos

ESTABLISHING THE NECESSARY CONDITIONS OF GEOPOTENTIAL DATA FOR OPTIMAL USE OF THE ITERATIVE 3D MODELLING SOFTWARE...... 106 L. Asimopolos, N. Asimopolos

BOUNDARY ANALYSIS USING MOVING AVERAGE DIFFERENCES OF BOUGUER GRAVITY ANOMALIES...... 111 N. G. Aydin, T. Isseven

NONLINEAR ANALYSIS OF GEOMAGNETIC VARIATIONS DATA FROM PANAGYURISTE GEOMAGNETIC OBSERVATORY, BULGARIA ...... 116 M. Chamati, E. Botev

REGIONAL MAPPING OF GEOPHYSICAL AND GEOLOGICAL DATA IN THE PROCESS OF THEIR INTEGRATED ANALYSIS AND INTERPRETATION ...... 121 P. Stavrev, S. Dimovski, A. Kisyov, P. Trifonova, M. Metodiev

INVESTIGATION OF TREES' INTERNAL STRUCTURE USING ELECTRIC RESISTIVITY METHOD...... 126 Y. Yilmaz, T. Isseven, N. G. Aydin

SEAWATER INTRUSION IN THE PROTECTED AREA, PART OF THE COMPLEX (SOUTHERN BULGARIA)...... 131 N. Stoyanov, S. Dimovski, A. Kisyov

INFLUENCE OF GEOMAGNETIC ACTIVITY ON ELECTRON CONCENTRATION OF THE IONOSPHERE...... 136 R. Bojilova

INDEXING OF ULF/ELF ELECTROMAGNETIC EMISSIONS AS A HEALTH AND LIFE QUALITY FACTOR...... 141 D. Teodosiev, P. Nenovski, M. Chamati, D. Borisova, T. Nikolova

SITE CHARACTERIZATION USING INTEGRATED WELL LOGGING TECHNIQUES: PRELIMINARY RESULTS FOR HYDRAULIC AND GEOMETRICAL EVALUATION...... 146 J. Shin, S. Hwang, S. Jeong

APERTURE WIDTH ESTIMATION FROM ACOUSTIC TELEVIEWER LOG USING 3 INCHES PHYSICAL FRACTURED BOREHOLE MODEL ...... 151 S. Hwang, J. Shin, S. Jeong

MONITORING OF LANDSLIDE PROCESSES AT THE NE BULGARIA BY JOINT USE OF GNSS AND INSAR...... 156 M. Atanasova-Zlatareva, H. Nikolov, I. Georgiev, A. Ivanov, N. Dimitrov

IMPACT OF ATMOSPHERIC REFRACTION ON PRECISE LEVELING OBSERVATIONS...... 161 N. Dimitrov, P. Danchev, I. Georgiev

DINSAR IN DISPLACEMENT DETECTION AFTER SEISMIC EVENTS ...... 166 M. Atanasova, H. Nikolov, V. Protopopova

REMOTE SENSING OF LAND COVERS OVER A TEST AREA ...... 171 D. Borisova, M. Goranova, V. Hristova

RELATIONS BETWEEN LOWER STRATOSPHERIC O3 AND ENSO ...... 176 T. Velichkova, N. Kilifarska

PALEOMAGNETIC INVESTIGATION OF THE MIOCENE - QUATERNARY VOLCANIC ROCKS BETWEEN VARTO-TUNCELI ...... 181 S. Kayin, T. Isseven

LITHOFACIES IDENTIFICATION USING ANISOTROPIC PARAMETERS FROM LOGGING DATA:A CASE STUDY ON MUGLAD BASIN, SOUTH SUDAN ...... 186 S. Jang, W. Deng, S. Hwang, D. Lee

TELESEISMIC RECEIVER FUNCTIONS AND GUTENBERG-RICHTER B-VALUE DISTRIBUTIONS AROUND THE LAKE VAN REGION (EASTERN TURKEY) ...... 191 H. Alkan, H. Çinar, E. Bayrak

THRUSTING TECTONIC AND THE OIL TRAPS FORMATION IN THE ALBANIA IONIAN TECTONIC ZONE...... 196 A. Mesonjesi

EMPIRICAL RELATIONS CONVERTING SEISMIC INTENSITY TO MOMENT MAGNITUDE...... 200 I. Aleksandrova, D. Solakov, S. Simeonova, P. Raykova

THE APRIL 2017 MS5.2 KURBNESHI EARTHQUAKE AND ITS SEISMOGENIC ZONE ...... 205 R. Ormeni, I. Hoxha

FRICTIONAL STRENGTH OF FAULTS: EVIDENCE FOR POST SEISMIC DEFORMATION...... 210 A. Pinar

SEISMICITY OF THE -- REGION OVER THE PERIOD 1986- 2014...... 215 M. Tsekov, E. Botev, L. Dimova, R. Raykova

EXTENSIVE STRIKE-SLIP FAULTING TO NNW-PART OF LAKE ERÇEK REGION BY FINITE SOURCE AND COULOMB MODELING (E-ANATOLIA)...... 220 M. Toker, A. Pinar

THE PRESENT GEODYNAMICS AND KINEMATICS OF ALBANIDES...... 225 M. Meçaj, E. Dushi, R. Koçi

AZIMUTHAL ROTATION-DEPENDENT SPATIAL DISTRIBUTIONAL PATTERNS OF SMALL REPEATERS ESTIMATED FROM MICROSEISMIC DATA-SET OF GOKOVA GULF (SW- TURKEY)...... 230 M. Toker

UNIPOLAR MAGNETIC PULSES – A MANIFESTATION OF STRESS INDUCED IMPULSE MODES (A PETROPLASMA VIEWPOINT) ...... 235 P. Nenovski

PRE-EARTHQUAKE CHANGES OF ATMOSPHERIC OZONE AND TEMPERATURE OVER THE WIDE BALKAN REGION...... 240 N. Kilifarska

GMPES USED IN SEISMIC HAZARD ASSESSMENT FOR BULGARIA-SELECTION AND TESTING IN BULGARIA...... 245 D. E. Solakov, S. Simeonova, P. Raykova, E. Oynakov, I. Aleksandrova

POPULATION EXPOSURE INDEX – AN ELEMENT OF SEISMIC RISK ASSESSMENT ...... 250 D. Solakov, M. Metodiev, S. Simeonova, P. Trifonova

RELIEF RESOLUTION EFFECT ON THE TSUNAMI NUMERICAL MODELLING...... 255 L. Dimova, R. Raykova

ICE GENERATED EVENTS IN PERUNIKA GLACIER, RECORDED BY LIVV STATION...... 260 G. Georgieva, L. Dimitrova, V. Gourev

EVALUATION OF GEOPHYSICAL METHODS FOR STUDYING SNOWFIELDS IN PIRIN MOUNTAIN, BULGARIA ...... 265 G. Georgieva, A. Kisyov, C. Tzankov, B. Chtirkova, V. Gourev, Y. Ivanov

MARINE (SONAR AND SHALLOWE SEISMIC) INVESTIGATIONS IN IZMIR GULF-NEW RESULTS...... 270 M. Senoz

SINGLE SPECTRUM ANALYSIS FOR MONTHLY SEA LEVEL DATA FROM VARNA TIDE GAUGE STATION...... 275 A. Ivanov, I. Georgiev, N. Dimitrov

DIGITAL TERRAIN MODEL OF THE SEAFLOOR OF SOUTH BULGARIAN BLACK SEA COAST ...... 280 T. Lambev, B. Prodanov

IS IT POSSIBLE TO OBTAIN RELIABLE ARCHAEOMAGNETIC RESULTS FROM BAKED CLAYS WITH VERY WEAK MAGNETISM? ...... 285 M. Avramova-Kostadinova, P. Dimitrov

APPLYING ARCHAEOMAGNETIC METHOD TO IDENTIFY THE PURPOSE OF USAGE OF ARCHAEOLOGICAL FURNACES...... 290 P. Dimitrov, M. Kostadinova-Avramova

GEOPHYSICAL INVESTIGATION OF HIDDEN WALL PASSAGES IN THE HISTORICAL BUILDING OF HUNGARIAN ACADEMY OF SCIENCES...... 295 G. A. Hutka, P. Nagy, Z. Prónay, E. Törös

CIVIL AND SCIENTIFIC APPLICATIONS USING DATA FROM THE INTERNATIONAL MONITORING SYSTEM OF THE CTBTO...... 300 C. Saragiotis, R. Lebras, P. Mialle, P. Nielsen

VIRTUAL SEISMOLOGICAL NETWORK OF SOFIA UNIVERSITY - A RESEARCH DATABASE ...... 305 L. Dimova, R. Raykova, L. Dimitrova, M. Tsekov

NATIONAL GEOINFORMATION CENTER – SCIENTIFIC INFRASTRUCTURE FOR DISSEMINATION OF ACCURATE, DURABLE AND RELIABLE GEODATA AND PRODUCTS ...... 310 N. Miloshev, P. Trifonova, I. Georgiev, T. Marinova, V. Slabakova, N. Dobrev, V. Milusheva, T. Guerov

Author Index