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- M4.0 - Earthquake in Iruña Oka / Iruña de Oca

 

An earthquake of magnitude 4.0 struck Iruña Oka, Álava, in the Basque Country, early this morning. It was also felt in Vitoria.

 

M4.0 - Earthquake in Iruña Oka / Iruña de Oca

Earthquake in Iruña Oka / Iruña de Oca
Reading time: Less than a minute

Earthquake data:

 

Date and time of origin: 2025-12-07 23:10:23 UTC
Date and time of arrival at the Citizen seismic station: 2025-12-07 23:11:28 UTC
Location where the station is located: Germans Sàbat, Girona, ES (EU)
Time difference from the event to arrival at the station: 1 minutes and 5 seconds
Distance from the epicenter to the station: 466,11 Km
Wave speed: 7,17 km/s => 7.170,86 m/s
Wave type (according to speed): P
Sensor type: Geophone 4.5Hz - 200 V/m/s
Sampling frequency (sps): 100Hz
Alarms: frequencies activated upon arrival of the wave:
* By order of detection
1-5Hz, 0.7-2Hz, 0.5Hz-2.5Hz, 0.5-1Hz, 0.1-1Hz
Place of Origin: Iruña de Oca, 48 km SSE of Bilbao, 10 km WSW of Gasteiz / Vitoria
Geodetic coordinates of the epicenter:  📍 42.8434°N -2.7602°E
Depth (hypocenter): 5.0 km
Magnitude Richter Scale: M4.0
Modified Mercalli Scale Magnitude MMI => DYFI (Did You Feel It):
IV
URL Official Data EMSC:  https://www.emsc.eu/Earthquake_information/earthqu...
Unofficial data URL Volcano Discovery:  https://www.volcanodiscovery.com/earthquakes/quake...
URL Official Data IGN:  https://www.ign.es/web/ign/portal/ultimos-terremot...

 

 

Video:


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