Sieh, K., S.N. Ward, D. Natawidjaja and B.W. Suwargadi, 1999. Sumatran subduction kinematics from a paleogeodetic transect. Geophysical Research Letters, 26, 3141-3144.

Sieh, K., and D. Natawidjaja, 2000. Neotectonics of the Sumatran fault, Indonesia. Journal of Geophysical Research, 105 , 28,295-28,326.

Rivera, L, K. Sieh, D. Helmberger, and D. Natawidjaja, 2002. A comparative study of the Sumatran subduction zone earthquake of 1935 and 1984. Bulletin of Seismological Society of America, v.92, 1721-1736

Natawidjaja, D.H., K. Sieh, T. Soeller, D.J. Wald, 2000. Sumatran Fault System Map. Applications of Geographic Information Systems, ESRI Map Book vol.15, pp.361

Natawidjaja, D.H., K.Sieh, S.N. Ward, L. Edward, J. Galetzka, B.W. Suwargadi. "A 250-year-long paleogeodetic record of subduction from Sumatran Coral head".

Natawidjaja, D.H., K. Sieh, S.N. Ward, L. Edward, J. Galetzka, B.W. Suwargadi. "Coral-paleogeodetic record of seismic and aseismic subduction from central Sumatran microatolls".

Natawidjaja, D.H. and K. Sieh. Slip rates and kinematics of the Sumatran fault system.

Natawidjaja, D., K. Sieh, S.N. Ward, L. Edward, B.W. Suwargadi, J. Galetzka. The seismic subduction cycle in Sumatra, Indonesia: Evidence from coral microatolls. To be presented as an oral presentation in the next IAGA-IASPEI meeting in Hanoi, Vietnam, August 2001

Natawidjaja, D., K. Sieh and S.N. Ward. Active tectonics of the Sumatran plate margin and its seismic threats to Indonesia and the Southeast Asia. To be presented as a poster presentation in the next IAGA-IASPEI meeting in Hanoi, August 2001

Natawidjaja, D., and K. Sieh, 2000. A continuous 400-year-long paleogeodetic record of aseismic and seismic subduction from a coral microatoll, West Sumatra, Indonesia. American Geophysical Union Fall Meeting, Oral presentation and abstract in EOS, Transactions, AGU, vol.81, no.48, F897

Rivera, L.A., K. Sieh, D. Natawidjaja. A comparative study of the 1935 and 1984 Sumatran subduction earthquake. American Geophysical Union Fall Meeting, Poster presentation and abstract in EOS, Transactions, AGU, vol.81, no.48, F913

Sieh, K., and D. Natawidjaja, 1998. The Great Sumatran fault. American Geophysical Union Fall Meeting, poster presentation and abstract in EOS, Transactions, AGU, vol.79, no.45, F888

Natawidjaja, D.H. and K. Sieh, 1995. Active tectonic processes on the Great Sumatran fault. Oral presentation and a technical paper in the Proceedings of the Sixth International Congress on Pacific Neogene Stratigraphy and IGCP-355, Serpong, Indonesia

Natawidjaja, D.H., Y. Kumoro, J. Suprijanto, 1995. Tectonic earthquake in Bukit Tinggi-Muaralabuh: relationships between active fault segmentations and large earthquakes in 1926 and 1943. Oral presentation and technical paper (in Indonesian) in the Annual Convention of the Geoteknologi LIPI (Indonesian Institute of Sciences), Bandung, Indonesia

Natawidjaja, D.H. , 1994. Quantitative geological assesments of Liwa earthquake 1994, Sumatran fault, Indonesia. Oral presentation and extended abstract in the Proceeding of the Annual Convention of the Indonesian Association of Geophysics (HAGI), Bandung, Indonesia,

Natawidjaja, D.H, 1994. A new evidence for the extensional deformation in the southwestern block of Bukit Barisan range in the relation with the development of the Sumatran fault: A microtectonic perspective. Oral presentation and extended abstract in the Proceeding of International Symposium on the Geodinamics of Indonesia Within the Context of National Resources Development and Mitigation of Geological Hazards, Geology ITB and HAGI, Bandung, Indonesia

Natawidjaja, D.H., Handayani, L., Widiwijayanti, Ch. , 1994. Oblique subduction processes and their influences to the slip rate variations along the Sumatran fault and to forearc's deformations: A quantitative tectonic and finite element approach. Oral presentation and technical paper in the Proceedings of the 23rd Annual Convention of the Indonesian Association of Geologists, Vol.I, pp. 413-432, Jakarta, Indonesia

Natawidjaja, D.H., and S. Kusumadarma, 1993. Characterizations of landslides and active faults for the regional development of Liwa areas, Sumatra. Oral presentation and technical paper (in Indonesian) in the Proceedings of the 22nd Annual Convention of the Indonesian Association of Geologists, Yogyakarta, Indonesia

Natawidjaja, D.H., 1992. Method of microtectonic analysis in a complex structural assemblages resulting from multiphase deformations, with an example from the Mesozoic accretion of the Waipapa Terrane complex, Northland, New Zealand. Oral presentation and technical paper in the Proceedings of the 21st Annual Convention of the Indonesian Association of Geologists, Yogyakarta, Indonesia