ボスニア・ヘルツェゴビナ was hit by TranslTotalRecords earthquakes with a magnitude of 4 and more in TranslEarthquakeMonth 1977. The biggest earthquake in ボスニア・ヘルツェゴビナ for TranslEarthquakeMonth 1977 had a magnitude of 4.6 (1977/04/20 0:31:53)