A magnitude 5.4 earthquake occurred in the Saudi Arabian desert on May 19, 2009, causing a surface fault rupture.
Notes on verification
Confirmed by multiple independent sources including Saudi Geological Survey, Smithsonian, NBC News, and peer-reviewed studies; minor magnitude discrepancy between agencies (5.4 vs 5.7) noted but not material to claim's accuracy. [tier=silver indep_score=0.875 clusters=4 claim_tier=notable]
Sources
- What is the relationship between faults and earthquakes ... - USGS.gov (seed:environment_and_wildlife)
- https://volcano.si.edu/showreport.cfm?doi=10.5479/si.GVP.BGVN201103-231040 (corroboration)
- https://www.nbcnews.com/id/wbna39380701 (corroboration)
- https://sgs.gov.sa/en/pages/earthquakes-in-the-harrat-alshaqa-lunayyir (corroboration)
- https://www.researchgate.net/publication/260017136_Investigating_Harrat_Lunayyir_Northwestern_Saudi_Arabia_using_Double-Difference_Tomography_and_Earthquakes_from_the_2009_Seismic_Swarm (corroboration)