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Momotombo volcano (Nicaragua): earthquake swarm

Tuesday Jul 02, 2013 09:06 AM | BY: T

Seismic recording from Momotombo volcano yesterday (MOMN station, INETER)
Seismic recording from Momotombo volcano yesterday (MOMN station, INETER)
This morning's seismic recording
This morning's seismic recording
A seismic swarm has been occurring at the volcano during the past 24 hours, including a magnitude 3.0 earthquake yesterday. This could indicate a magmatic intrusion happening at depth, but so far, no unusual surface activity has been noted.
On the other hand, Momotombo volcano is one of Nicaragua's most frequently active, with 10 recorded historic eruptions between 1524 and 1905, so new activity would not be a big surprise.
Previous news
GPS-measured deformation of HEKR station (Univ. Iceland), north of the volcano
Monday, Jul 01, 2013
Hekla (Iceland): The trend of rapid inflation that started in April has not continued, but was partly reverted and significant deformation has stopped for now. Nothing suggests for now that an eruption is imminent, but Hekla is known for providing close to no (seismic) warning before eruptions. ... [more]
Sunday, Jun 30, 2013
Tungurahua (Ecuador): IGPEN reports an increase of seismic activity over the past days which might herald a new phase of activity in the near future. ... [more]
Explosion from Fuego yesterday (INSIVUMEH)
Saturday, Jun 29, 2013
Fuego (Guatemala): Explosions have become more violent, the latest special bulletin of INSIVUMEH indicates. Mild strombolian eruptions have turned into more powerful vulcanian-type explosions, which eject dense ash plumes rising to 800 m and produce numerous avalanches of blocks around the crater, especially on the southern flank. ... [more]

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