Swiss Seismological Service

For the third winter in the past five years, the Swiss Seismological Service (SED) and the Institute of Geophysics (IfG) at ETH Zurich have recorded icequakes on the frozen Lake St. Moritz. The two-week campaign in February aimed to provide valuable insights into using seismological techniques to measure ice thickness, to evaluate the effectiveness of various monitoring methods, and to gain experience that could one day be applied to space missions exploring icy moons. At the beginning of the year, the frozen Lake St. Moritz is a hive of activity: horse and cars races, parachutists, golf tournaments, and concerts entertain tourists and the public. Amidst the daytime bustle, the ice’s natural sounds go unnoticed. ...

On 28 March at 12.50 local time (07.20 Swiss time), a 7.7 magnitude earthquake struck Myanmar at a depth of approximately 10 to 20 kilometres, about 20 kilometres west of the city of Mandalay. ...