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2024-04-02, M7.4, Taiwan

On April 2, 2024, at 23:58:11 UTC, a powerful earthquake measuring M7.4 struck the eastern coast of Taiwan, at a depth of 35 km (refer to the map below for the location). 13 minutes later, a strong aftershock of M6.5 also occurred. This seismic activity was caused by reverse faulting near the boundary where the Philippine Sea Plate is subducting beneath the Eurasian Plate. At the time of writing, there have been 7 confirmed fatalities and numerous injuries reported. The earthquakes resulted in significant damage to buildings and widespread power outages.

The event was recorded by seismic stations operated by DIAS in the Irish National Seismic Network (INSN), see figure below.

More information is available at the below resources:

https://earthquake.usgs.gov/earthquakes/eventpage/us7000m9g4/executive

https://emsc-csem.org/Earthquake_information/earthquake.php?id=1641639

2018-02-06, M6.4 Taiwan

On 6th February, 2018, an earthquake measuring magnitude 6.4 occurred northeast of Hualien, Taiwan. So far at least seven people have been killed and more than 250 injuries have been reported. Aftershocks continue to occur in Taiwan since the earthquake.

Taiwan lies in a region of complex tectonics near the intersection of three major tectonic plates – the Philippine Sea plate to the east and southeast, the Eurasia plate to the north and west, and the Sunda plate to the southwest. The February 6th 2018 earthquake is the largest in a sequence of events in the same region over the past several days. Because of its plate boundary location, Taiwan commonly experiences moderate-to-large earthquakes.

dias2018cozm-map-no_stations-12deg

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).

Past Seismograms
follow this link

Live Seismograms
All stations here
Filtered versions here
DSB - Dublin
VAL - Kerry

Past Spectrograms
follow this link
Live Spectrograms
All stations here
ITIP - N. Tipperary
IMAY - Mayo