Table 5 The downward counterfactual events of the top 10 riskiest global terrorist attacks.

From: Risk assessment and categorization of terrorist attacks based on the Global Terrorism Database from 1970 to 2020

Rank

Eventid

DC Eventid

Coefficient

Overview

1

200109110005

200109110004

199808070002

0.9038

08/07/1998: Suicide attackers detonated a vehicle bomb outside of the United States Embassy in Nairobi, Kenya, killing 224 people, including 12 Americans. Four thousand people were also injured in the attack, which was perpetrated by Al-Qaida.

199302260001

0.8734

02/26/1993: A car bomb was detonated by Islamist terrorists in the underground parking garage below Tower One of the World Trade Center in New York City. This attack killed six, injured over 1000 and the explosion caused smoke to rise up to the 93rd floor of both towers.

200107240001

0.8404

07/24/2001: Fourteen militants of the Liberation Tigers of Tamil Eelam (LTTE) launched a suicide attack on the Bandaranaike International Airport in Colombo, Sri Lanka. Five planes were damaged in the attack, seven soldiers were killed and 12 were wounded.

2

201611120002

201307010010

0.9889

07/01/2013: A suicide bomber detonated an explosive device during a funeral at a mosque in Muqdadiyah city, Diyala governorate, Iraq. Twenty-three people were killed and 28 others were injured in the attack.

201309290003

0.9840

09/29/2013: A suicide bomber detonated during a funeral at Al-Hussein Mosque in Musayyib city, Babil governorate, Iraq. In addition to the bomber, at least 40 people were killed and 50 others were injured in the blast.

3

200708150005

200708160008

200704180001

0.9401

04/18/2007: At least 127 people died and 148 were wounded when a car bomb exploded in Sadriyah market in Baghdad, Iraq where buses were picking up passengers. No claim of responsibility was reported.

200407280003

0.9200

07/28/2004: A minibus packed with explosives was detonated by a suicide attacker while targeting the al-Najda police station in Baqouba, Iraq. The blast killed at least 70 people, mostly civilians, and injured 56.

4

200404210002

200403170001

0.9544

03/17/2004: Militants with suspected ties to al-Qaida detonated a huge car bomb destroyed a hotel in Baghdad, Iraq. The bomb, placed at a hotel generally frequented by foreigners, killed 28 people and injured 45 people.

200309100001

0.9276

09/10/2003: A suicide bomber exploded in an SUV outside the U.S. intelligence headquarters in Irbil, killing three Iraqis and wounding dozens, including four Americans. Al-Qaida was suspected in the attack.

5

201508170004

200203170001

0.9304

03/17/2002: Two unidentified men threw several grenades inside the Protestant International Church in Islamabad, Pakistan, which killed five people, including two American nationals, and injured 46 people.

201506260001

0.8834

06/26/2015: A suicide bomber detonated an explosives-laden vest at the Imam Sadiq Mosque in Sawaber neighborhood, Kuwait City, Asimah governorate, Kuwait. 27 people were killed and 227 others were injured in the blast.

6

200710180001

200310030001

0.9502

10/03/2003: Two masked gunmen riding on a motorcycle attacked a minibus carrying Shi’i Muslim workers in Karachi, Pakistan. Six men were killed and six injured in the attack.

7

200803110011

200404210002

0.9300

04/21/2004: Five Iraqis were arrested in connection to the Basra car bombings, which killed as many as 74 people and injured another 100. The perpetrators used five car bombs in a coordinated attack on Iraqi police stations and a police academy in Basra, Iraq.

200407280003

0.9214

07/28/2004: A minibus packed with explosives was detonated by a suicide attacker while targeting the al-Najda police station in Baqouba, Iraq. The blast killed at least 70 people, mostly civilians, and injured 56.

8

201801270001

200802180003

0.9910

02/18/2008: At approximately 2:30 p.m. local time, a suicide car bomber killed 37 civilians in a busy marketplace in an attack that targeted NATO-led Canadian troops in Spin Boldak, Kandahar Province, Afghanistan. Thirty-eight civilians were injured in this attack along with 3 Canadian soldiers also being injured.

201105280007

0.9775

05/28/2011: At the Takhar Province Governor’s office complex in Taloqan, Takhar, Afghanistan, a man wearing a police uniform entered an Afghan meeting with officials from the region and detonated his explosive device. Seven people, including Police Chief General Mohammad Daud Daud were killed and nine others, including provincial Governor Abdul Jabbar Taqwa were injured.

9

200403110003

200103240003

0.9313

03/24/2001: One of three synchronized bombings occurred in the town of Mineralnye Vody in northeast Chechnya, Russia. A car bomb exploded in a farmer’s market, overturning parked cars, uprooting kiosks. The blast killed 18 people and injuring 86 others.

200303130002

0.9289

03/13/2003: A bomb exploded on a crowded suburban commuter train during rush hour in Mumbai, India, killing 11 passengers and injuring 64 others.

10

201711240001

201506100005

0.9458

06/10/2015: Three assailants, including a suicide bomber, attacked the entrance to the Temple of Karnak in Luxor City, Luxor governorate, Egypt. The suicide bomber detonated and the other two assailants opened fire. In addition to the bomber, one assailant was killed and five people were injured.

201309220001

0.9304

09/22/2013: Two suicide bombers detonated outside of All Saints Church in Peshawar City, Khyber Pakhtunkhwa province, Pakistan. In addition to the two bombers, at least 86 people were killed and another 130 people were injured.