This is a list of earthquakes in 2004. Only earthquakes of magnitude 6 or above are included, unless they resulted in significant damage or casualties, or were notable for some other reason. All dates are listed according to UTC time. The year 2004 had the most major earthquakes since 1999. In total, there were 16 magnitude 7.0+ earthquakes this year, 6 of them were in Indonesia. Most of the earthquake deaths in 2004 were caused by the magnitude 9.1–9.3 earthquake off the west coast of Sumatra in December. Most of the deaths were caused by a devastating tsunami that spread across the Indian Ocean. There were several other deadly and destructive earthquakes, including Morocco's largest earthquake to date, which caused 628 deaths. Japan was hit by a magnitude 6.6 earthquake, which caused 68 deaths and $28 billion in damage, making it the fourth costliest earthquake in history.
Compared to other years
Overall
By death toll
Note: At least 10 dead
By magnitude
Note: At least 7.0 magnitude
By month
January
A magnitude 5.8 earthquake struck Bali, Indonesia on January 1 at a depth of . One person died and 29 were injured, with 6,000 buildings damaged throughout Bali and Lombok. A magnitude 6.1 earthquake struck Guerrero, Mexico on January 1 at a depth of . Minor damage was caused in Guerrero and power outages occurred in Mexico City. A magnitude 7.1 earthquake struck Southeast of the Loyalty Islands, New Caledonia on January 9 at a depth of . A magnitude 6.3 earthquake struck the island of New Britain on January 9 at the depth of . A magnitude 2.2 earthquake struck Banska-Bystrica, Slovakia on January 10 at a depth of 5.0 km (3.1 mi). Minor damage was caused in Slovenská Ľupča. A magnitude 4.5 earthquake offshore Algiers, Algeria on January 10 at a depth of 10.0 km (6.2 mi). Three people were injured and additional damage was caused to buildings previously weakened by the 2003 Boumerdès earthquake. A magnitude 6.0 earthquake struck Levuka, Fiji on January 11 at a depth of . A magnitude 6.2 earthquake struck Kavieng, Papua New Guinea on January 15 at a depth of 10.0 km (6.2 mi). A magnitude 6.2 earthquake struck the Mid-Atlantic Ridge on January 16 at a depth of 10.0 km (6.2 mi). A magnitude 6.7 earthquake struck Hihifo, Tonga on January 25 at a depth of . A magnitude 6.6 earthquake struck Ambon Island, Indonesia at a depth of . A magnitude 6.1 earthquake struck the Southeast Pacific Rise at a depth of 10.0 km (6.2 mi).
February
A magnitude 6.1 earthquake struck Finca Blanco, Panama on February 4 at a depth of , 4 People were injured. A magnitude 7.0 earthquake struck Papua, Indonesia on February 5 at a depth of , 37 people were killed and 682 were injured. A magnitude 7.3 earthquake struck Papua, Indonesia on February 7 at a depth of A magnitude 6.7 earthquake struck Nabire, Indonesia on February 8 at a depth of . A magnitude 5.3 earthquake struck Madaba Governorate, Jordan on February 11 at the depth of . Four people were injured and a landslide occurred at Ma'in. A magnitude 5.5 earthquake struck Khyber Pakhtunkhwa, Pakistan at the depth of . 24 people were killed and around 40 people were injured. A magnitude 6.0 earthquake struck Lata, Solomon Islands on February 20 at a depth of . A magnitude 6.6 earthquake struck the South Sandwich Islands on February 21 at a depth of . A magnitude 6.0 earthquake struck Padang, Indonesia on February 22 at a depth of . A magnitude 6.3 Earthquake struck Mata-Utu, Wallis and Futuna at a depth of . A magnitude 4.7 earthquake Burundi on February 24 at a depth of 10.0 km (6.2 mi). Three people were killed and 24 houses were destroyed in Ruyaga. A magnitude 6.3 earthquake struck Al Hoceima at the depth of . Between 628 and 631 people were killed and 926 were injured. A magnitude 6.0 earthquake struck Near Macquarie island on February 26 at a depth of . A magnitude 6.3 earthquake struck the Mauritius-Réunion region on February 26 at the depth of .