List of earthquakes in 2004

Earthquakes in 2004
4.0–5.9 magnitude; 6.0–6.9 magnitude;	7.0–7.9 magnitude; 8.0+ magnitude;
Strongest magnitude	9.1 Mw, Indonesia
Deadliest	9.1 Mw, Indonesia; 227,898 deaths
Total fatalities	228,755
Number by magnitude
9.0+	1
8.0–8.9	1
7.0–7.9	16
6.0–6.9	145
5.0–5.9	1519
	← 2003 2005 →

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 until 2023, 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 sixth costliest earthquake in history.