Sources containing descriptive information on earthquake effects in Greece from the period 1800–1899 are analysed and EMS-98 macroseismic intensities are assigned, aiming at the enrichment of the number of macroseismic datapoints contained in the Hellenic Macroseismic Database (HMDB.UoA). Based on the information provided by the analysis, intensities were re-assigned for all events reported in the sources. Compared to the MDPs presented in the Hellenic Macroseismic database, the total number of MDPs from the present study is more than double. Similar procedure was applied to the 19th century Samos and surrounding areas earthquakes including all macroseismic intensity degrees. For the case study of Samos, two macroseismic intensity data sets are presented: the damaging (I_EMS98 > 6) and the non-damaging ones. The macroseismic parameters of one new earthquake were determined and the seismic history of the island showed that two earthquakes, probably similar to the 30 October 2020 Samos event, occurred in the 19th century. New earthquakes improve the seismic history and increased MDPs number allow for more accurate parameters assessment.

分析了包含 1800 年至 1899 年期间希腊地震影响描述信息的来源，并分配了 EMS-98 宏观地震强度，旨在丰富希腊宏观地震数据库 (HMDB.UoA) 中包含的宏观地震数据点的数量。根据分析提供的信息，对来源中报告的所有事件重新分配强度。与希腊宏观地震数据库中提供的 MDP 相比，本研究的 MDP 总数增加了一倍多。类似的程序适用于 19 世纪萨摩斯及周边地区的地震，包括所有宏观地震烈度。对于 Samos 的案例研究，提供了两个宏观地震强度数据集：破坏性（I _EMS98 > 6) 和非破坏性的。确定了一次新地震的宏观地震参数，该岛的地震历史表明，两次地震发生在 19 世纪，可能类似于 2020 年 10 月 30 日的萨摩斯事件。新地震改善了地震历史，增加的 MDP 数量允许更准确的参数评估。