Incident Summary:

05/13/2018: A suicide bomber detonated an explosives-laden vehicle at the Central Pentecostal Church along Arjuno Street in Surabaya, East Java, Indonesia. In addition to the assailant, eight people were killed in the attack. This was one of three related attacks targeting churches in Surabaya in which 40 people were injured across the attacks. Jamaah Ansharut Daulah claimed responsibility for the incident.

GTD ID:
201805130012

When:
2018-05-13

Country:
Indonesia

Region:
Southeast Asia

Province/administrative
region/u.s. state:

East Java

City:
Surabaya

Location Details:
The incident occurred along Arjuno Street

Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Police
Name of Entity Indonesian National Police (INP)
Specific Description Officer: Giri Catur Sungkowo
Nationality of Target Indonesia
Target Type: Religious Figures/Institutions
Name of Entity Pentecost Church Central Surabaya (GPPS)
Specific Description Church
Nationality of Target Indonesia
Additional Information
Hostages No
Ransom No
Property Damage Yes
Extent of Property Damage Minor (likely < $1 million)
Value of Property Damage Unknown
Weapon Information
Type Sub-type
Explosives Vehicle
Weapon Details
An explosives-laden vehicle made with triacetone triperoxide (TATP) was used in the attack.
Additional Information
Suicide Attack?Yes
Part of Multiple Incident?Yes
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) Yes
Doubt Terrorism Proper (more) No
Additional Information The victims included civilians Agus Trisno Wiyogo and Tee Su Tjien. Casualty numbers conflict across sources. Following GTD protocol, the majority most reliable estimates are reported here. Casualty numbers represent a division of the total number of those wounded across incidents 201805130010, 201805130011, and 201805130012.
Perpetrator Group Information
Group Name Claimed Responsibility
Jamaah Ansharut Daulah Yes (Confirmed: Unknown; Mode: Posted to website, blog, etc.)
Perpetrator Statistics
Number of Perpetrators 1
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 9 Fatalities / 15 Injured
Total Number of Fatalities 9
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 1
Total Number of Injured 15
Number of U.S. Injured 0
Number of Perpetrators Injured 0
Sources
"News Church security officer latest fatality of Surabaya church bombings," Jakarta Post, May 19, 2018.
"Family of six behind deadly Surabaya church bombings; At least 13 killed, 40 wounded in attacks on 3 churches during morning services," The Straits Times (Singapore), May 14, 2018.
"Ten injured in fourth bombing to hit Indonesian city in 24 hours," Telegraph, May 14, 2018.