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Focal mechanisms of earthquakes in Myanmar: Preliminary study for the seismic hazard analysis for Myanmar
Hlaing R.a,b, Widiyantoro S.b, Meilano I.b, Saepuloh A.b, Kiyono J.c
a Department of Geology, University of Yangon, Yangon, Myanmar
b Faculty of Mining and Petroleum Engineering, Bandung Institute of Technology, Bandung, 40132, Indonesia
c Department of Urban Management, Graduate School of Engineering, Kyoto University, Kyoto, Japan
[vc_row][vc_column][vc_row_inner][vc_column_inner][vc_separator css=”.vc_custom_1624529070653{padding-top: 30px !important;padding-bottom: 30px !important;}”][/vc_column_inner][/vc_row_inner][vc_row_inner layout=”boxed”][vc_column_inner width=”3/4″ css=”.vc_custom_1624695412187{border-right-width: 1px !important;border-right-color: #dddddd !important;border-right-style: solid !important;border-radius: 1px !important;}”][vc_empty_space][megatron_heading title=”Abstract” size=”size-sm” text_align=”text-left”][vc_column_text]© 2018 Author(s).It is important for seismic hazard management to conduct a probabilistic seismic hazard analysis (PSHA). In this study, focal mechanisms from the Harvard CMT catalog (1967 – 2013) were used to prepare a PSHA for Myanmar, located in one of the seismically active zones in Mainland Southeast Asia, by dividing them into shallow, intermediate and deep earthquake classes. The fault plane solutions of individual events were explored. Vertical profiles of five rectangular areas from North to West across Myanmar were developed to figure out the plate boundaries. We determined a- and b- values based on the seismicity of Myanmar from 1900 to 2016 taken from the earthquake catalogs of NEIC (USGS). The focal mechanisms of shallow and intermediate earthquakes are mostly strike slips and thrusts. However, the focal mechanisms of deep events give similar mechanisms, i.e. thrust faults with strike slip components. In this study, we aim to be able to estimate future earthquake potential in Myanmar.[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Author keywords” size=”size-sm” text_align=”text-left”][vc_column_text][/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Indexed keywords” size=”size-sm” text_align=”text-left”][vc_column_text]a- and b- values,focal mechanisms,Myanmar,seismicity[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”Funding details” size=”size-sm” text_align=”text-left”][vc_column_text]This study is partially supported by the ASEAN University Network / South East Asia Engineering Education Development Network – Japan International Cooperation Agency (AUN/SEED Net-JICA).[/vc_column_text][vc_empty_space][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][vc_empty_space][megatron_heading title=”DOI” size=”size-sm” text_align=”text-left”][vc_column_text]https://doi.org/10.1063/1.5047389[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/4″][vc_column_text]Widget Plumx[/vc_column_text][/vc_column_inner][/vc_row_inner][/vc_column][/vc_row][vc_row][vc_column][vc_separator css=”.vc_custom_1624528584150{padding-top: 25px !important;padding-bottom: 25px !important;}”][/vc_column][/vc_row]