M 6.6 in Central Mid-Atlantic Ridge on 17 Jun 2026 18:56 UTC

Event summary

This earthquake can have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

GDACS ID EQ 1547100
Earthquake Magnitude: 6.6M
Depth: 10 Km
Lat/Lon: -0.5246 , -20.0149
Event Date: 17 Jun 2026 18:56 UTC
17 Jun 2026 17:56 Local
Exposed Population:
Inserted at: 17 Jun 2026 19:15 UTC
INFORM Coping capacity:
1.1 ()

GDACS Score

For more info on GDACS alert score click here.
  Earthquake
(Shakemap)		 Tsunami GDACS score
NEIC 0 0 0
us7000stti Scaled population (raster) 0 Max wave alert 0m  
  C1 shakemap 0 Max wave realtime 0m  
  C2 shakemap 0      
  Country Vulnerability 0      
  INFORM_normalised 0      
Maximum expected impact using different data sources.
Virtual OSOCC
Meteo assessment
Satellite products
Analytical products
Detailed event map. European Union, 2026. Map produced by EC-JRC.
The boundaries and the names shown on this map do not imply official endorsement or acceptance by the European Union.

Updates on volcanic activity (Smithsonian)

Latest media headlines

Massive Tohoku Earthquake Sent a Seismic Wave That Shifted All of Japa.. 6/18/2026 6:28:00 PM.

In March 2011, the magnitude 9 Tohoku earthquake struck off the northeast coast of Honshu, Japan. Violent ground shaking lasted for about six minutes and triggered a massive tsunami, ultimately more than 18,000 people. But 15 minutes after
...(more)
Japan’s 2011 earthquake was so powerful that it shifted the entire cou.. 6/18/2026 6:22:00 PM.

“The co-authors and I, we were all kind of initially puzzled by the observation,” Park says, referring to the movement of Japan. “Because this was such an unusual thing, we took a lot of time going through different possibilities.” After ru
...(more)
Japan’s 2011 earthquake was so powerful that it shifted the entire cou.. 6/18/2026 6:15:00 PM.

“The co-authors and I, we were all kind of initially puzzled by the observation,” Park says, referring to the movement of Japan. “Because this was such an unusual thing, we took a lot of time going through different possibilities.” After ru
...(more)
Massive Tohoku Earthquake Sent a Seismic Wave That Shifted All of Japa.. 6/18/2026 6:14:00 PM.

In March 2011, the magnitude 9 Tohoku earthquake struck off the northeast coast of Honshu, Japan. Violent ground shaking lasted for about six minutes and triggered a massive tsunami, ultimately more than 18,000 people. But 15 minutes after
...(more)

View more news

Estimated casualties (PAGER)

USGS estimates the number of casualties for each earthquake for the Prompt Assessment of Global Earthquakes for Response (PAGER) product.
The graph shows the current fatalities estimate.

Exposed population

Data, images, links, services and documents

For this events, GDACS has links to information from the following sources: EC-JRC (90), NEIC (5), OCHA (1), USGS (5), (3), INFORM (2),