ESM Waveform Distances Web-Service

The ESM Waveform Distances Web-Service allows to obtain many distance metrics between event and waveform as they are computed by the ESM database.

A complete list of supported options and usage examples is available in the query-options webpage.

Feature Notes

• This service returns epicentral, hypocentral, fault, rupture, hanging wall, and footwall distance distances in km. Earthquake backazimuth value is returned as well.
• The output is provided in JSON format.

Citation

If you use this service or its data, please cite it as follows:
Mascandola C., Felicetta C., Russo E., Luzi L., Lanzano G., Sgobba S., Brunelli G., Ramadan F., Pacor F., ORFEUS Strong-Motion SMC (2026). Engineering Strong Motion Database (ESM), version 3.0. Istituto Nazionale di Geofisica e Vulcanologia (INGV). https://doi.org/10.13127/esm.3

Backend Python software used by this web service was originally developed by Russo E. and Puglia R., and it is currently mantained by Russo E. and Felicetta C.