OpenQuake Map ViewerThe 2026 GEM Global Homogenised Earthquake Catalogue contains ~495 000 events between 1900 and 2024. The catalogue combines events above M4 from three global datasets: ISC-GEM (https://www.isc.ac.uk/iscgem/, currently v11.0), the Global Centroid-Moment-Tensor (https://www.globalcmt.org/) and comcat (https://earthquake.usgs.gov/data/comcat/) catalogues.
By default this interactive map viewer presents the GEM Global Homogenised Earthquake Catalogue separated into two categories - events with Magnitude (Mw) of 6 and above and events with Magnitude (Mw) less than 6; this catalogue is displayed on top of the GEM Global Seismic Hazard Map v2026.1 where this map depicts the geographic distribution of the Peak Ground Acceleration (PGA) in g with a 10% probability of being exceeded in 50 years, computed for reference rock conditions (shear wave velocity, VS,30 of 800 m/s). For events with Magnitude (Mw) of 6 and above, more information can be obtained by clicking on the event.
Please see the following page for further details:
https://www.globalquakemodel.org/product/global-homogenised-earthquake-catalogue
Bayliss, K., & Pagani, M. (2026). GEM Global Homogenised Earthquake Catalogue (Version v2026) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.20716758
The authors have strived to ensure that the information in this product is as accurate as possible. However, they do not guarantee that the information herein is completely correct or comprehensive. Therefore, you should not rely solely on this information when making decisions involving human life, capital, or movable and immovable property. Users of the information provided accept all liability resulting from such use. While aiming to deliver practical and precise information, the authors accept no liability for, nor do they imply any warranty regarding, the information contained hereafter. The values of seismic hazard in this map do not replace building actions defined in national building codes. Readers seeking this information should consult national databases. This hazard map is a combination of results computed using several hazard input models covering the landmass and the oceans. These models represent the best publicly accessible information, and the GEM Foundation recognises their credibility and authoritativeness. The hazard values computed offshore are affected by significant uncertainty that was not fully accounted for, given the extent of the area covered. This hazard map results from an integration process solely under the responsibility of the GEM Foundation.