List of earthquakes in 2003

Earthquakes in 2003

class=notpageimage| Approximate epicenters of the earthquakes in 2003 4.0–5.9 magnitude 6.0–6.9 magnitude 7.0–7.9 magnitude 8.0+ magnitude
Strongest magnitude	8.3 Mw Japan
Deadliest	6.6 Mw Iran 34,000 deaths
Total fatalities	36,832
Number by magnitude
9.0+	0
8.0–8.9	1
7.0–7.9	15
6.0–6.9	140
5.0–5.9	1203
← 2002 2004 →

This is a list of earthquakes in 2003. Only earthquakes of magnitude 6 or above are included, unless they result in damage and/or casualties, or are notable for some other reason. All dates are listed according to UTC (Coordinated Universal Time) time.