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2020-03-25, M7.5, Russia

At 02:49:21 GMT on March 25th 2020 a magnitude M7.5 earthquake struck to the east of the Kuril Islands, Russia (see map below). The earthquake occurred at a depth of 56.7 km and the NSW Pacific Tsunami Warning Center have said that there is no threat of a tsunami as sea-level readings from the nearest two deep ocean dart gauges confirm only small tsunami waves were generated.

The earthquake was recorded at seismic stations worldwide, including stations of the Irish National Seismic Network (INSN), see seismic waveforms below (select figure to enlarge).

Further information is available from the following sources:

https://earthquake.usgs.gov/earthquakes/eventpage/us70008fi4/region-info

https://www.emsc-csem.org/Earthquake/earthquake.php?id=841592

2020-03-22, M5.4, Zagreb, Croatia

At 05:24:02 (UTC) on the 22nd of March 2020, a M5.4 earthquake struck 7km northeast of Zagreb, Croatia. The earthquake occurred at a depth of 10km and caused several injuries as well as widespread damage to buildings in Zagreb. This event is the largest to occur near Zagreb in the past 140 years.

The earthquake was recorded at seismic stations worldwide, including stations of theĀ Irish National Seismic Network (INSN), see seismic waveforms below (select figure to enlarge).

Further information is available through the links below:

https://www.emsc-csem.org/Earthquake/earthquake.php?id=840695

https://earthquake.usgs.gov/earthquakes/eventpage/us70008dx7/executive

2020-02-23, M5.7, Turkey-Iran Border Region

At 05:53:01 (UTC) a M5.7 earthquake struck 25km south-east of Sarey, Turkey close to the Iranian border. The earthquake had a depth of ~6.4km and initial reports are of several deaths and numerous injuries due to building collapse. A second M6 event occurred at 16:00:31 (20-02-23) in the same area.

 

The middle east and surrounding areas are prone to seismic activity due to the movement of four major tectonic plates (Arabian, Eurasian, Indian and African). This plate interaction produces large-scale tectonic processes such as subduction, transform faulting, compressional mountain building, and crustal extension.

Further information is available at the following sources:

M5.7 event,

https://earthquake.usgs.gov/earthquakes/eventpage/us70007v29/executive

https://www.emsc-csem.org/Earthquake/earthquake.php?id=832418

http://irsc.ut.ac.ir/newsview.php?&eventid=162408&network=earth_ismc__

 

M6 event,

https://earthquake.usgs.gov/earthquakes/eventpage/us70007v9g/executive

https://www.emsc-csem.org/Earthquake/earthquake.php?id=832582

 

 

 

 

2020-01-28, M7.7, Cuba

At 19:10:25 GMT on January 28th 2020 a magnitude M7.7 earthquake struck near Cuba, about 100km from its southern coast and 125km northwest from Jamaica, see the map below for the event location. The earthquake occurred at a relatively shallow depth of about 10km. It was was widely felt throughout the region, including parts of Honduras and southern Florida. A tsunami warning was initially issued but lifted about 90 minutes later. There a no reports of any building damage.

The earthquake was recorded at seismic stations worldwide, including stations of the Irish National Seismic Network (INSN), see seismic waveforms below (select figure to enlarge).

Further information is available at the following sources:

https://www.emsc-csem.org/Earthquake/earthquake.php?id=824193

https://earthquake.usgs.gov/earthquakes/eventpage/us60007idc/executive

2020-01-24, M6.7, Turkey

At 17:55:14 UTC on January 24th, 2020 a magnitude M6.7 earthquake struck the Kalaba-Sivrice region in Eastern Turkey, see the map below for the approximate location of the event. The earthquake had a depth between 10 and 15 km and resulted in very strong to severe ground shaking. Currently 22 fatalities and hundreds of injuries have been reported with the collapse of several buildings. The earthquake is located on or close to the East Anatolian Fault which separates the Anatolia Block of the Eurasia plate from the Arabia plate. Damaging earthquakes occurr relatively frequently in Turkey. According to the USGS seven other M6 or larger events have occurred over the preceding half century within 250 km of the January 24, 2020 earthquake. For maps showing plate boundaries and locations of past earthquakes in Turkey see https://en.wikipedia.org/wiki/List_of_earthquakes_in_Turkey.

The earthquake was recorded at seismic stations worldwide, including stations of the Irish National Seismic Network (INSN), see seismic waveforms below (select figure to enlarge).

Further information is available at the following sources:

https://www.emsc-csem.org/Earthquake/earthquake.php?id=822667

https://earthquake.usgs.gov/earthquakes/eventpage/us60007ewc/executive

http://www.koeri.boun.edu.tr/new/en

2019-11-26, M6.4, Albania

At 02:54:11.3 UTC on November 26th, 2019 a magnitude M6.4 earthquake struck a region to the North-West of Tirana in Albania. The earthquake had a depth of 10km which resulted in very strong to severe ground shaking. Several fatalities and hundreds of injuries have been reported with the collapse of several buildings. The map below shows the approximate location of the event.

Large earthquakes are common in this region due to the convergence of the African and Eurasian plates. The region has suffered seven >M6 events within 150km of the recent event in the past 100 years. The earthquake was recorded at seismic stations worldwide, including stations of the Irish National Seismic Network (INSN), see seismic waveforms below (select figure to enlarge).

Further information is available at the following sources:

https://earthquake.usgs.gov/earthquakes/eventpage/us70006d0m/executive

https://www.emsc-csem.org/Earthquake/earthquake.php?id=807751

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