Incident Summary:

11/21/2017: A suicide bomber detonated an explosives-laden vest at the Madina mosque in Mubi, Mubi North, Adamawa, Nigeria. In addition to the assailant, at least 59 people were killed and at least 40 others were injured in the blast. No group claimed responsibility for the incident; however, sources attributed the attack to Boko Haram.




Sub-Saharan Africa

region/u.s. state:



Location Details:
The incident occurred in the Mubi North district.

Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Religious Figures/Institutions
Name of Entity Madina Mosque
Specific Description Mosque
Nationality of Target Nigeria
Additional Information
Hostages No
Property Damage Yes
Extent of Property Damage Minor (likely < $1 million)
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Explosives/Bombs/Dynamite Suicide (carried bodily by human being)
Weapon Details
An explosives-laden vest was used in the attack.
Additional Information
Suicide Attack?Yes
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Doubt Terrorism Proper (more) No
Additional Information Casualty numbers conflict across sources. Following GTD protocol, the most recent reliable estimates are reported here.
Perpetrator Group Information
Group Name Claimed Responsibility
Boko Haram No
Perpetrator Statistics
Number of Perpetrators 1
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 59 Fatalities / 40 Injured
Total Number of Fatalities 59
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 1
Total Number of Injured 40
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Suicide Bomber Kills At Least 50 In Nigeria," AFP (World Service), November 21, 2017."
"Death toll rises to 58 in Nigeria mosque attack," Trend News Agency - Central Asia (English), November 23, 2017."
"Suicide bomber kills 50 in Nigeria mosque," The Gulf Today, November 21, 2017."