A seismic crisis began at Piton de la Fournaise volcano, Reunion Island on Wednesday 14th October 2009. The swarm generated 338 earthquakes with a maximum magnitude of 2.3. The trend of gradual deformation continues, with about 1.5 cm of displacement in two weeks. No change in gas chemistry has been detected. Data analysis suggests the process of magmatic intrusion continues at depth. This significant seismicity has been associated with small deformation of the northern flank of Dolomieu. Small avalanches have occurred inside Dolomieu, particularly towards the end of the seismic crisis. Alert Level 1 remains in place. Public access to the volcano summit, and helicopter landing on the volcano are prohibited.
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About John Seach
- John Seach
- John Seach is a scientist and the world's leading volcano adventurer. Over the past 24 years John has traveled to the world's most exciting volcanoes, and witnessed eruptions during trips to more than 200 volcanoes. John's work has been featured on award winning television programmes. John is the founder of "Volcano Live", the world's first volcano news and volcano travel website.