Category Seismic Swarm

Massive Earthquake Swarm Located Under Dormant Tenorio Volcano In Guanacaste, Costa Rica

Since January 9, 2018 the National Seismological Network (RSN: UCR-ICE) has located 42 earthquakes on the eastern slope of the Tenorio volcano. These earthquakes have had magnitudes between 2.2 and 5.3. Seismicity began on January 9, with an earthquake of…

Significant Sulphur Dioxide Gas Being Observed At Kadovar Volcano

Photo: Papua New Guinea’s military is assisting with the evacuation effort. (Facebook: Samaritan Aviation) There is now a significant Sulphur Dioxide gas being observed on Kadovar.   Visual observations from a Rabaul Volcano Observatory (RVO) observer on a boat, indicates…