Disclaimer: This site provide access to the INGV Strong Motion Database (ISMD), containing strong motion records and associated earthquake, station and waveform parameters. Every risk due to the improper use of data or the use of inaccurate information included in this web site is assumed by the user. In no event shall INGV be liable to any party for direct, indirect, special, incidental, or consequential damages, including lost profits, arising out of the use of the works, even if INGV has been advised of the possibility of such damage. The earthquake locations and magnitudes were provided by the National Earthquakes Observatory (ONT). Data Providers should be acknowledged according to the International Federation of Digital Seismograph Networks (FDSN). Citation: permission to use, copy or reproduce parts of the ISMD-DB is granted provided that ISMD is properly cited by the reference scientific paper. General overview. Acknowledgements.