World Map › Major Earthquakes Since 1900 › 1975
Historic Earthquake
1975 North Atlantic Earthquake
26 May 1975 · Maderia Islands · Atlantic Ocean
On 26 May 1975 at 09:11 UTC, a magnitude 7.8 earthquake struck Atlantic Ocean (Maderia Islands), at a depth of 33 km. It occurred on the African Plate, 171 km from its boundary with the Eurasian Plate (oceanic transform fault). It triggered a tsunami.
- Date
- 26 May 1975
- Time
- 09:11 UTC
- Magnitude
- 7.8
- Depth
- 33 km
- Maximum Intensity
- VI (Mercalli)
- Tsunami
- Yes
- Plate
- African Plate
- Country
- Atlantic Ocean
Nearby Major Earthquakes
Other major earthquakes recorded within 300 km.
- 19411941 Gloria Fault Earthquake · M 7.8
Sources: NOAA National Centers for Environmental Information, Global Significant Earthquake Database (doi:10.7289/V5TD9V7K) · Wikidata · Bird (2003), PB2002 · Natural Earth