The April 2010 Sumatra earthquake occurred on April 7 at 5:15 AM local time with a moment magnitude of 7.8 and a maximum Mercalli intensity of V (Moderate). The shock occurred near the Banyak Islands, off the island of Sumatra in Indonesia. A tsunami watch was issued according to the Pacific Tsunami Warning Center in Honolulu which was later canceled. A 40 cm surge was reported in the Banyak Islands an hour after the quake, along with 62 injuries. Power outages were reported throughout the province of North Sumatra as well as in Aceh. This quake is one in a sequence of large earthquakes along the Sunda megathrust in the 2000s.

In Simeulue Regency, 21 were hospitalized at Gunung Putih, Teluk Dalam subdistrict, and 41 were injured in Teupah Selatan subdistrict. Some of the injured were treated at Simeulue general hospital in Sinabang.

• 2010 Mentawai earthquake and tsunami
• List of earthquakes in 2010
• List of earthquakes in Indonesia
• March 2007 Sumatra earthquakes
• September 2007 Sumatra earthquakes

• M7.8 - northern Sumatra, Indonesia – United States Geological Survey
• Magnitude-7.7 quake rattles Indonesia – MSNBC
• M7.8 Banyak Islands Earthquake, 2010 – Amateur Seismic Centre
• The Diverse Slip Behavior of the Banyak Islands Section of the Sunda Megathrust Offshore Sumatra – American Geophysical Union
• The International Seismological Centre has a bibliography and/or authoritative data for this event.