A new earthquake swarm started beneath the Salton Sea in California on August 10, 2020. The risk of a larger earthquake over the next 7 days is considerably elevated due to the swarm when compared to background levels. The southernmost section of the San Andreas…
Earthquake swarm at the Tjörnes Fracture Zone continues, with more than 13 000 quakes detected since the swarm started on June 19, 2020. This is the largest earthquake swarm in the region recorded in the past 40 years. According to the Icelandic Met Office…
Intense earthquake swarm which started at the mouth of Eyjafjörður at the Tjörnes Fracture Zone on June 19 continues, with about 9 000 earthquakes detected by the Icelandic Meteorological Office (IMO) by July 1. Three earthquakes over M5 have been…
An exceptionally active earthquake swarm is ongoing near Saviese, north of Sion, Switzerland beginning in the night of November 4 to November 5, 2019, according to the Swiss Seismological Service (SED) at ETH Zurich. Such an accumulation of earthquakes is rather…
A seismic swarm was registered by Mexico's National Seismological Service (SSN) in the state of Guerrero from October 21 to 24, 2019. SSN registered 41 tremors with magnitudes between 3.5 and 4.9 and epicenters near Petatlan, on the shores of the state of…
Numerous earthquakes are shaking Albania – Greece border region on June 1, 2019. The strongest was M5.0 at 04:51 UTC at a depth of 10 km (6.2 miles). EMSC registered a total of 28 earthquakes from 04:26 to 18:35 UTC, with magnitudes ranging from 2.5 to 5.0. …
A series of earthquakes is currently being monitored offshore Surigao del Norte Province, PHIVOLCS reported April 30, 2019. The sequence started with M5.5 earthquake at 05:45 UTC (13:26 PST) on April 25 and has continued to generate small- to moderate-size…
It's been almost a full year since the start of an intense earthquake swarm near the island of Mayotte and it seems we'll have some answers soon. While GPS stations show significant subsidence at the island, suggesting emptying of a nearby magma chamber,…
International seismic networks detected an atypical very low frequency signal originating near the island of Mayotte just before 09:30 UTC on November 11, 2018. Signals of this type are characteristic of volcanic phenomena. A rare earthquake swarm started near the…
Ten seismic events have been detected in the Newdigate, Surrey area of the United Kingdom, between Dorking and Gatwick airports near London, since April 1, 2018. Magnitudes of this cluster of events range from 1.5 to 3.0. There are fears that quakes might be caused…
