MOESM1 of Seismic parameters re-determined from historical seismograms of 1935-Erdek–Marmara Island and 1963-Çınarcık Earthquakes Nilay Başarır Baştürk Nurcan Özel Marco Caciagli 10.6084/m9.figshare.c.3615368_D1.v1 https://springernature.figshare.com/articles/journal_contribution/MOESM1_of_Seismic_parameters_re-determined_from_historical_seismograms_of_1935-Erdek_Marmara_Island_and_1963-_narc_k_Earthquakes/4376222 Additional file 1: Figure A1. Digitized seismic traces on original N-S seismogram of 04.01.1935, 14:41 Earthquake from COI station, recorded by Wiechert seismometer. Figure A2. Digitized seismic traces on original E-W seismogram of 04.01.1935, 14:41 Earthquake from COP station, recorded by Wiechert seismometer. Figure A3. Digitized seismic traces on original E-W seismogram of 04.01.1935, 14:41 Earthquake from DBN station, recorded by Galitzin seismometer. Figure A4. Digitized seismic traces on original N-S seismogram of 04.01.1935, 14:41 Earthquake from DBN station, recorded by Galitzin seismometer. Figure A5. Digitized seismic traces on original E-W seismogram of 04.01.1935, 14:41 Earthquake from JENA station, recorded by Wiechert (15000 kg) seismometer. Figure A6. Digitized seismic traces on original N-S seismogram of 04.01.1935, 14:41 Earthquake from JENA station, recorded by Wiechert (15000 kg) seismometer. Figure A7. Digitized seismic traces on original N-S seismogram of 04.01.1935, 14:41 Earthquake from MNH station, recorded by Wiechert seismometer. Figure A8. Digitized seismic traces on original E-W seismogram of 04.01.1935, 14:41 Earthquake from MNH station, recorded by Wiechert seismometer. Figure A9. Digitized seismic traces on original N-S seismogram of 04.01.1935, 14:41 Earthquake from PRA station, recorded by Wiechert seismometer. Figure A10. Digitized seismic traces on original E-W seismogram of 04.01.1935, 14:41 Earthquake from STR station, recorded by Galitzin seismometer. Figure A11. Digitized seismic traces on original E-W seismogram of 04.01.1935, 14:41 Earthquake from STR station, recorded by Galitzin seismometer. Figure A12. Digitized seismic traces on original N-E seismogram of 04.01.1935, 14:41 Earthquake from TRS station, recorded by Wiechert seismometer. Figure A13. Digitized seismic traces on original E-W seismogram of 04.01.1935, 14:41 Earthquake from PCN station, recorded by Wiechert seismometer. Figure A14. Digitized seismic traces on original E-W seismogram of 04.01.1935, 14:41 Earthquake from ISK station, recorded by Mainka seismometer. Figure A15. Digitized seismic traces on original E-W seismogram of 04.01.1935, 16:20 Earthquake from BER station, recorded by Wiechert seismometer. Figure A16. Digitized seismic traces on original N-S seismogram of 04.01.1935, 16:20 Earthquake from COI station, recorded by Wiechert seismometer. Figure A17. Digitized seismic traces on original N-S seismogram of 04.01.1935, 16:20 Earthquake from COP station, recorded by Wiechert seismometer. Figure A18. Digitized seismic traces on original E-W seismogram of 04.01.1935, 16:20 Earthquake from COP station, recorded by Wiechert seismometer. Figure A19. Digitized seismic traces on original Z seismogram of 04.01.1935, 16:20 Earthquake from COP station, recorded by Wiechert seismometer. Figure A20. Digitized seismic traces on original E-W seismogram of 04.01.1935, 16:20 Earthquake from DBN station, recorded by Galitzin seismometer. Figure A21. Digitized seismic traces on original N-S seismogram of 04.01.1935, 16:20 Earthquake from DBN station, recorded by Galitzin seismometer. Figure A22. Digitized seismic traces on original Z seismogram of 04.01.1935, 16:20 Earthquake from DBN station, recorded by Galitzin seismometer. Figure A23. Digitized seismic traces on original E-W seismogram of 04.01.1935, 16:20 Earthquake from MNH station, recorded by Wiechert seismometer. Figure A24. Digitized seismic traces on original N-S seismogram of 04.01.1935, 16:20 Earthquake from MNH station, recorded by Wiechert seismometer. Figure A25. Digitized seismic traces on original N-S seismogram of 04.01.1935, 16:20 Earthquake from PCN station, recorded by Wiechert seismometer. Figure A26. Digitized seismic traces on original E-W seismogram of 18.09.1963, 18:58 Earthquake from BRA station, recorded by Wiechert seismometer. Figure A27. Digitized seismic traces on original Z seismogram of 18.09.1963, 18:58 Earthquake from BRA station, recorded by Wiechert seismometer. Figure B1. P and S wave time interval chosen for the N-S component seismogram of COI (Coimbra, Portugal) station for 04.01.1935, 14:41 Earthquake, recorded by Wiechert seismometer. Figure B2. P and S wave time interval chosen for the N-S component seismogram of DBN (DeBilt, the Netherlands) station for 04.01.1935, 14:41 Earthquake, recorded by Galitzin seismometer. Figure B3. P and S wave time interval chosen for the E-W component seismogram of DBN (De Bilt, the Netherlands) station for 04.01.1935, 14:41 Earthquake, recorded by Galitzin seismometer. Figure B4. P and S wave time interval chosen for the Z component seismogram of DBN (De Bilt, the Netherlands) station for 04.01.1935, 14:41 Earthquake, recorded by Galitzin seismometer. Figure B5. P and S wave time interval chosen for the E-W component seismogram of PCN (Piacenza, Italy) station for 04.01.1935, 14:41 Earthquake, recorded by Wiechert seismometer. Figure B6. P and S wave time interval chosen for the E-W component seismogram of BER (Bergen, Norway) station for 04.01.1935, 16:20 Earthquake, recorded by Wiechert seismometer. Figure B7. P and S wave time interval chosen for the N-S component seismogram of COP (Copenhagen, Denmark) station for 04.01.1935, 16:20 Earthquake, recorded by Wiechert seismometer. Figure B8. P and S wave time interval chosen for the E-W component seismogram of BRA (Bratislava, Slovakia) station for 18.09.1963, 16:58 Earthquake, recorded by Wiechert seismometer. Figure B9. P and S wave time interval chosen for the N-S component seismogram of BRA (Bratislava, Slovakia) station for 18.09.1963, 16:58 Earthquake, recorded by Wiechert seismometer. Figure B10. P and S wave time interval chosen for the E-W component seismogram of PAV (Pavia, Italy) station for 18.09.1963, 16:58 Earthquake, recorded by Wiechert seismometer. Table C1. P and S arrival times used for determining epicentral locations of 04.01.1935, 14:41 Erdek-Marmara Island Earthquake. Table C2. P and S arrival times used for determining epicentral locations of 04.01.1935, 16:20 Erdek-Marmara Island Earthquake. Table C3. P and S arrival times used for determining epicentral locations of 1963.09.18, 16:58, Çınarcık Earthquake. Table D1. List of the seismograms of 04.01.1935, 14:41 and 16:20 Marmara Island-Erdek Earthquakes and their instrument characteristics. Table D2. List of the seismograms of 18.09.1963, 16:58 Çınarcık-Yalova Earthquake and their instrument characteristics. Figure F1. An example of the problem of traces in mesh in a historical seismogram, recorded at UCC (Uccle, Belgium) station for the 1935 Earthquake. Figure F2. Example of a seismogram with a big erases part, recorded at KAS (Kastamonu, Turkey) station for the 1963 Earthquake. Figure F3. Comparison between the uncorrected and corrected seismic traces recorded at PRT (Prato, Italy) station; red line indicates the uncorrected seismic traces of the vectorized seismograms while the green line shows the corrected seismic traces. (a) Original record for 04.01.1935, 16:20 Earthquake; (b) overlap of the uncorrected and corrected seismic traces. 2016-09-20 05:00:00 Historical seismograms Seismic parameters Çınarcık Earthquake Erdek–Marmara Island Earthquake