Focal mechanisms of three earthquakes in Finland and their relation to surface faults

Tectonophysics

Volumn 363, Issue 1-2, 2003, Pages 141-157

  Uski, Marja ^a   Hyvönen, Tellervo ^a   Korja, Annakaisa ^a   Airo, Meri Liisa ^b  

^a UNIVERSITY OF HELSINKI   (Finland)

^b GEOLOGICAL SURVEY OF FINLAND   (Finland)

Author keywords

Crustal stress; Depth phase modelling; Earthquake location; Fennoscandia; Finland; Focal mechanism; Seismicity

Indexed keywords

EARTHQUAKE; FAULTING; FOCAL MECHANISM; P-WAVE; SEISMICITY; SOURCE PARAMETERS; STRESS FIELD;

FINLAND;

EID: 0037456264     PISSN: 00401951     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-1951(02)00669-8     Document Type: Article

References (57)

1. Ahjos, T., Uski, M., 1992. Earthquakes in northern Europe in 1375-1989. Tectonophysics 207, 1-23 (Updated catalog is available at http://www.seismo.helsinki.fi/).
2. Ahola, J., 2001. Deformation studies of the Nuottavaara fault with GPS measurements. In: Poutanen, M. (Ed.), IAG International Symposium on Recent Crustal Movements, SRCM'01, Helsinki, Finland, August 27-31, 2001. Finnish Geodetic Institute, Kirkkonummi. Abstracts.
3. Airo, M.-L., 1999. Aeromagnetic and petrophysical investigations applied to tectonic analysis in the northern Fennoscandian shield. Geol. Surv. Finl., Rep. Invest. 145. 51 pp.
4. Arvidsson, R., 1996. Fennoscandian earthquakes: whole crust rupturing related to postglacial rebound. Science 274, 744-746.
5. Arvidsson, R., Kulhanek, O., 1994. Seismodynamics of Sweden deduced from earthquake focal mechanisms. Geophys. J. Int. 116, 377-392.
6. Berthelsen, A., Marker, M., 1986. 1.9-1.8 Ga old strike-slip megashears in the Baltic Shield, and their plate tectonic interpretation. Tectonophysics 128, 163-181.
7. Bock, G., 1993. The Woods Reef (New South Wales) earthquake of 14 November 1990: focal mechanism derived from amplitude ratios and synthetic seismograms. Aust. J. Earth Sci. 40, 369-376.
8. Bock, G., 1996. The 1985/86 Western Bohemia earthquakes: modelling source parameters with synthetic seismograms. Tectonophysics 261, 139-146.
9. Bungum, H., Lindholm, C., 1996. Seismo- and neotectonics in Finnmark, Kola and the southern Barents sea: 2. Seismological analysis and seismotectonics. Tectonophysics 270, 15-28.
10. Byrkjeland, U., Bungum, H., Eldholm, O., 2000. Seismotectonics of the Norwegian continental margin. J. Geophys. Res. 105, 6221-6236.
11. Červený, V., Pšenčík, I., 1984. Seis83-numerical modeling of seismic wave fields in 2-D laterally varying layered structures by the ray method. In: Engdahl, E.R. (Ed.), Documentation of Earthquake Algorithms. World Data Center A For Solid Earth Geophysics, Boulder, Rep. SE-35, pp. 36-40.
12. Chen, R., 1991. On the horizontal crustal deformations in Finland. Rep. Finn. Geod. Inst. 91 (1), 98 pp.
13. Elo, S., 1992a. Geophysical features indicating deep fractures in the Kuusamo area. Geol. Surv. Finl., Spec. Pap. 13, 27-37.
14. Elo, S., 1992b. Geophysical indications of deep fractures in the Näränkävaara-Syö te and Kandalaksha-Puolanka zones. Geol. Surv. Finl., Spec. Pap. 13, 43-50.
15. Grad, M., Luosto, U., 1987. Seismic models of the crust of the Baltic shield along the SVEKA profile in Finland. Ann. Geophys. 5B (6), 639-650.
16. Hicks, E., Bungum, H., Lindholm, C.D., 2000. Stress inversion of earthquake focal mechanism solution from onshore and offshore Norway. Norsk. Geol. Tidsskr. 80, 235-250.
17. Kakkuri, J., 1997. Postglacial deformation of the Fennoscandian crust. Geophysica 33 (1), 99-109.
18. Kind, R., 1978. The reflectivity method for a buried source. J. Geophys. 44, 603-612.
19. Kind, R., 1979. Extension of the reflectivity method. J. Geophys. 45, 373-380.
20. Koistinen, T., Stephens, M.B., Bogatchev, V., Nordgulen, Ø., Wen- nerström, M., Korhonen, J., 2001. Geological map of the Fennoscandian Shield, 1:2 000 000. Geol. Surv. Finland, Espoo; Geol. Surv. Norway, Trondheim; Geol. Surv. Sweden, Uppsala; Ministry of Natural Resources of Russia, Moscow.
21. Korja, A., Heikkinen, P., 2002. The accretionary Svecofennian orogen -insight from the BABEL Lines 1-6. Submitted to Precambrian Research.
22. Korsman, K., Koistinen, T., Kohonen, J., Wennervirta, M., Ekdahl, E., Honkamo, M., Idman, H., Pekkala, Y. (Eds.), 1997. Bedrock map of Finland 1:1,000,000. Geological Survey of Finland, Espoo, Finland.
23. Kuivamäki, A., 1986. Havaintoja Venejärven ja Ruostejärven postglasiaalisista siiroksista. (In Finnish). Abstract: Observations of the Venejärvi and Ruostejärvi postglacial faults. Geol. Surv. Finland, Nuclear Waste Disposal Research Report YST-52. 20 pp.
24. Kuivamäki, A., Tuominen, H.V., 1985. Loviisan ympäristön seismotektoninen tulkinta. Imatran Voima Oy, R-tutkimukset R-85- 1. 96 pp in Finnish.
25. Kuivamäki, A., Vuorela, P., Paananen, M., 1998. Indications of postglacial and recent bedrock movements in Finland and Russian Karelia. Geol. Surv. Finland, Nuclear Waste Disposal Research Report YST-99. 92 pp.
26. Kujansuu, R., 1964. Nuorista siirroksista Lapissa (Recent faults in Finnish Lapland). Geologi 16, 30-36 (in Finnish).
27. Kärki, A., Laajoki, K., Luukas, J., 1993. Major Paleoproterozoic Shear Zones in the central Fennoscandian Shield. Precambrian Res. 64, 207-224.
28. Lahtinen, R., Korja, A., Nironen, M., 2003. Paleoproterozoic tectonic evolution of the Fennoscandian Shield. In: Lehtinen, M., Nurmi, P., Rämö , T. (Eds.), The Precambrian Bedrock of Finland-Key to the Evolution of the Fennoscandian Shield. Developments in Precambrian Geology. Elsevier, Amsterdam. In press.
29. Lagerbäck, R., 1979. Neotectonic structures in northern Sweden. GFF 100, 263-269.
30. Luosto, U., 1991. Crustal structures of Eastern Fennoscandia. Tectonophysics 189, 19-27.
31. Luosto, U., 1997. Structure of the earth's crust in Fennoscandia as revealed from refraction and wide-angle reflection studies. Geophysica 33, 3-16.
32. Luosto, U., Flüh, E.R., Lund, C.-E., and Working Group, 1989. The crustal structure along the POLAR Profile from seismic refraction investigations. Tectonophysics 162, 51-85.
33. Luosto, U., Tiira, T., Korhonen, H., Azbel, I., Burmin, V., Buyanov, A., Kosminskaya, I., Ionkis, V., Sharov, N., 1990. Crust and upper mantle structure along the DSS Baltic profile in SE Finland. Geophys. J. Int. 101, 89-110.
34. Luosto, U., Grad, M., Guterch, A., Heikkinen, P., Janik, T., Komminaho, K., Lund, C., Thybo, H., Yliniemi, J., 1994. Crustal structure along the Sveka'91 profile in Finland. In: Makropoulos, K., Suhadolc, P. (Eds.), ESC XXIV General Assembly, 1994 September 19-24 Athens, Greece, University of Athens, Proceeding and Activity Report 1992-1994 II, pp. 974-983.
35. Milne, G.A., Davis, J.L., Mitrovica, J.X., Scherneck, H.-G., Johansson, J.M., Vermeer, M., Koivula, H., 2001. Space-geodetic constraints on glacial isostatic adjustment in Fennoscandia. Science 291, 2381-2385.
36. Olesen, O., 1988. The Stuoragurra Fault, evidence of neotectonics in the Precambrian of Finnmark, northern Norway. Norsk Geol. Tidsskr. 68, 107-118.
37. Olesen, O., Henkel, H., Lile, O.B., Mauring, E., Rønning, J.S., Torsvik, T.H., 1992. Neotectonics in the Precambrian of Finnmark, northern Norway. Norsk Geol. Tidsskr. 72, 301-306.
38. Olesen, O., Dehls, J., Bungum, H., Riis, F., Hicks, E., Lindholm, C., Blikra, L.H., Fjeldskaar, W., Olsen, L., Longva, O., Faleide, J.I., Bockmann, L., Rise, L., Roberts, D., Braathen, A., Brekke, H., 2000. Neotectonics in Norway, Final Report. NGU Report 2000.002. 135 pp.
39. Poutanen, M., Ollikainen, M., 1995. GPS measurements at the Nuottavaara postglacial fault. Rep. Finn. Geod. Inst. 95, 6.
40. Roberts, D., Olesen, O., Karpuz, M.R., 1997. Seismo- and neotectonics in Finnmark, Kola Peninsula and the southern Barents Sea: 1. Geological and neotectonic framework. Tectonophysics 270, 1-13.
41. Ruotoistenma-ki, T., Aaro, S., Elo, S., Gellein, J., Gustavsson, N., Henkel, H., Hult, K., Kauniskangas, E., Kero, L., Kihle, O., Lehtonen, M., Lerssi, J., Sindre, A., Skilbrei, J., Tervo, T., Thorning, L., 1997a. Gravity anomaly map of northern and central Fennoscandia: Bouguer anomalies, 1:2 000 000. Geol. Surv. Finland, Espoo; Geol. Surv. Norway, Trondheim; Geol. Surv. Sweden, Uppsala; Ministry of Natural Resources of Russia, Moscow.
42. Ruotoistenmäki, T., Aaro, S., Elo, S., Gellein, J., Gustavsson, N., Henkel, H., Hult, K., Kauniskangas, E., Kero, L., Kihle, O., Lehtonen, M., Lerssi, J., Sindre, A., Skilbrei, J., Tervo, T., Thorning, L., 1997b. Aeromagnetic anomaly map of northern and central Fennoscandia: total intensity referred to DGRF-65, 1:2000000. Geol. Surv. Finland, Espoo; Geol. Surv. Norway, Trondheim; Geol. Surv. Sweden, Uppsala; Ministry of Natural Resources of Russia, Moscow.
43. Rögnvaldsson, S.Th., Slunga, R., 1993. Routine fault plane solutions for local networks: a test with synthetic data. Bull. Seismol. Soc. Am. 83 (4), 1232-1247.
44. Rögnvaldsson, S.Th., Slunga, R., 1994. Single and joint fault plane solutions for microearthquakes in South Iceland. Tectonophysics 237, 73-80.
45. Saari, J., 1992. A review of the seismotectonics of Finland. Nuclear Waste Commission of Finnish Power Companies, Report YJT- 92-29. 79 pp.
46. Saari, J., Slunga, R., 1996. Fault plane solutions of micro-earthquakes in the Loviisa area in south-eastern Finland. Posiva report, POSIVA-96-02. 29 pp.
47. Sereno, T.J., Bratt, S.R., Bache, T.C., 1988. Simultaneous inversion of regional wave spectra for attenuation and seismic moment in Scandinavia. J. Geophys. Res. 93, 2019-2035.
48. Slunga, R., 1981. Earthquake source mechanism determination by use of body-wave amplitudes - an application to Swedish earthquakes. Bull. Seismol. Soc. Am. 71 (1), 25-35.
49. Slunga, R., 1989. Focal mechanisms and crustal stresses in the Baltic Shield. In: Gregersen, S., Basham, P.W. (Eds.), Earthquakes at North-Atlantic Passive Margins: Neotectonics and Postglacial Rebound. Kluwer Academic Publishing, Dordrecht, pp. 261-276.
50. Slunga, R., Ahjos, T., 1986. Fault mechanism of Finnish earthquakes, crustal stresses and faults. Geophysica 22, 1-13.
51. Snoke, J.A., Munsey, J.W., Teague, A.C., Bollinger, G.A., 1984. A program for focal mechanism determination by combined use of polarity and SV-P amplitude ratio data. Earthq. Notes 55 (3), 15 (abstract).
52. Talvitie, J., 1979. Seismo-tectonics in Finland. Geol. Foren. Stockh. Forh. 100, 247-253.
53. Talwani, P., 1989. Characteristic features of intraplate earthquakes and the models proposed to explain them. In: Gregersen, S., Basham, P.W. (Eds.), Earthquakes at North-Atlantic Passive Margins: Neotectonics and Postglacial Rebound. Kluwer Academic Publishing, Dordrecht, pp. 563-579.
54. Veriö , A., 1992. Geodetic observations connected with an earthquake in the Fennoscandian Shield. Surv. Sci. Finl. 10 (1), 70-83.
55. Walther, C., Flüh, E.R., 1993. The POLAR Profile revisited: combined P- and S-wave interpretation. Precambrian Res. 64, 153-168.
56. Wu, P., Johnston, P., Lambeck, K., 1999. Postglacial rebound and fault instability in Fennoscandia. Geophys. J. Int. 139, 657-670.
57. Zoback, M.L., 1992. First and second-order patterns of stress in the Lithosphere: the World Stress Map Project. J. Geophys. Res. 97, 11703-11728 (Updated version of The World Stress Map is available at http://www.world-stress-map.org).