Najdovska, Jasmina

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Najdovska, Jasmina
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Najdovska, Jasmina

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    SEISMICITY OF DEBAR EPICENTRAL AREA
    (Institute of Knowledge Management, 2018-12-10)
    Drogreshka, Katerina
    ;
    Chernih, Dragana
    ;
    <jats:p>Main neotectonic regions in the territory of the Republic of Macedonia are the Vardar zone, West Macedonia and East Macedonia. These regions, being developed within major, regional tectonic units, are permanently uplifting with different intensities. They also show differences in the seismic activity, which is the reason to treat them as separate seismic zones, named with the same names. Debar epicentral area belongs to the West Macedonia seismic zone. This epicentral area is presented by the sinking of Drim graben (valley), crisscrossed by neotectonic faults which coused strong earthquake in 1967y, with Richter magnitude ML=6.5 and intensity Io=IX degrees EMS–1998 scale. After 1900y several moderate (5.0≤ML≤5.9) and light (4.0≤ML≤4.9) and lot of small earthquakes with magnitude ML ≤3.9 are also observed. According to all instrumental data, our latest investigation of seismic activity parameters for this epicentral area pointed out the activity of Elbasan-Debar fault.</jats:p>
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    SEISMIC ZONES AND SEISMICITY OF THE TERRITORY OF THE REPUBLIC OF NORTH MACEDONIA
    (Institute of Knowledge Management, 2019-06-05)
    Drogreshka, Katerina
    ;
    ;
    Chernih-Anastasovska, Dragana
    <jats:p>According to all sources of data available to the Seismological Observatory the seismic activity in the Republic of North Macedonia is mainly tectonic, with the exception of weak collapse earthquakes. This seismic activity is caused by its affiliation to the Mediterranean area of the Alpine-Himalayan orogeny belt. Epicentral areas belong to the three main seismic zones, West-Macedonian seismic zone, Vardar seismic zone and East-Macedonian seismic zone. Three secondary seismic zones, transverse to the main seismic zones, are also defined. Each of these zones is characterized by а specific time and space distribution of earthquake locations, with frequent seismic microactivity, lot of minor to light earthquakes and very rare moderate to major earthquakes. Observed seismic activity on the territory of the Republic of North Macedonia has a main role for the evaluation of the seismic hazard of the specific territory.</jats:p>
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    SEISMIC ZONES AND SEISMICITY OF THE TERRITORY OF THE REPUBLIC OF NORTH MACEDONIA
    (Institute of Knowledge Management, 2019-06-05)
    Drogreshka, Katerina
    ;
    ;
    Chernih-Anastasovska, Dragana
    <jats:p>According to all sources of data available to the Seismological Observatory the seismic activity in the Republic of North Macedonia is mainly tectonic, with the exception of weak collapse earthquakes. This seismic activity is caused by its affiliation to the Mediterranean area of the Alpine-Himalayan orogeny belt. Epicentral areas belong to the three main seismic zones, West-Macedonian seismic zone, Vardar seismic zone and East-Macedonian seismic zone. Three secondary seismic zones, transverse to the main seismic zones, are also defined. Each of these zones is characterized by а specific time and space distribution of earthquake locations, with frequent seismic microactivity, lot of minor to light earthquakes and very rare moderate to major earthquakes. Observed seismic activity on the territory of the Republic of North Macedonia has a main role for the evaluation of the seismic hazard of the specific territory.</jats:p>
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    Seismic Activity in the Ohrid Epicentral Area in the Period between June-September 2017
    (2019)
    Dragana Chernih-Anastasovska,
    ;
    ;
    Drogreshka, Katerina
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    SEISMICITY OF DEBAR EPICENTRAL AREA
    (Institute of Knowledge Management, 2018-12-10)
    Drogreshka, Katerina
    ;
    Chernih, Dragana
    ;
    <jats:p>Main neotectonic regions in the territory of the Republic of Macedonia are the Vardar zone, West Macedonia and East Macedonia. These regions, being developed within major, regional tectonic units, are permanently uplifting with different intensities. They also show differences in the seismic activity, which is the reason to treat them as separate seismic zones, named with the same names. Debar epicentral area belongs to the West Macedonia seismic zone. This epicentral area is presented by the sinking of Drim graben (valley), crisscrossed by neotectonic faults which coused strong earthquake in 1967y, with Richter magnitude ML=6.5 and intensity Io=IX degrees EMS–1998 scale. After 1900y several moderate (5.0≤ML≤5.9) and light (4.0≤ML≤4.9) and lot of small earthquakes with magnitude ML ≤3.9 are also observed. According to all instrumental data, our latest investigation of seismic activity parameters for this epicentral area pointed out the activity of Elbasan-Debar fault.</jats:p>
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    SERIES OF EARTHQUAKES IN THE VLANDOVO EPICENTRAL AREA, MAY – JUNE 2009
    (Institute of Knowledge Management, 2019)
    ;
    Drogreshka, Katerina
    ;
    Chernih, Dragana
    <jats:p>Seismic activity occurred in the Valandovo epicentral area was manifested through a series of weak to moderate earthquakes from May to June 2009. During this period more than a 2000 earthquakes were recorded by the telemetric seismological network of the Republic of Macedonia (SORM) and seismological stations from neighboring countries. Many of these earthquakes were felt on the territory of the Republic of Macedonia, Greece and Bulgaria. The strongest earthquake, with local Richter magnitude ML=5.1 and epicentral intensity Io=VII EMS-1998 scale, was on May 24, 2009, at UTC 16h 17min. According to all instrumental data, our latest investigation of seismic activity parameters for this epicentral area pointed out the activity of Valandovo fault and focal parameters were determined.</jats:p>