|
| TOTAL = 60 | |||
| Volcano | Country / Location | Eruption Start Date | Eruption Stop Date |
| Manam | Papua New Guinea | 2003 Oct 26 ± 5 days | 2004 Mar 28 |
| Masaya | Nicaragua | 2003 Sep 22 (on or before) | 2003 Nov (?) |
| Lokon-Empung | Indonesia | 2003 Sep 12 | 2003 Sep 12 |
| Chillán, Nevados de | Chile | 2003 Aug 29 | 2003 Sep 15 ± 5 days |
| Gamalama | Indonesia | 2003 Jul 31 | 2003 Oct 2 ± 3 days |
| Sabancaya | Perú | 2003 Jul 30 ± 1 day | Unknown |
| Bezymianny | Russia | 2003 Jul 26 | 2003 Aug 1 (?) |
| Aso | Japan | 2003 Jul 10 | 2003 Jul 14 |
| Leroboleng | Indonesia | 2003 Jun 26 | 2003 Jul 29 |
| San Cristóbal | Nicaragua | 2003 Jun 17 | 2003 Jul 23 (?) |
| Heard | Australia | 2003 Jun 9 | 2004 Jun 14 |
| Lopevi | Vanuatu | 2003 Jun 8 | 2003 Jun 16 (?) |
| Lewotobi | Indonesia | 2003 May 30 | 2003 Sep 1 (on or after) |
| Fournaise, Piton de la | France | 2003 May 30 | 2004 Jan 10 |
| Villarrica | Chile | 2003 May 23 (?) | 2004 Mar 25 (?) |
| Manam | Papua New Guinea | 2003 May 17 | 2003 May 23 |
| Anatahan | United States | 2003 May 10 | 2003 Jul 12 ± 3 days |
| Michael | United Kingdom | 2003 May 6 | 2003 May 6 |
| Chikurachki | Russia | 2003 Apr 18 | 2003 Jul 3 (?) |
| Ulawun | Papua New Guinea | 2003 Apr 14 (?) | 2003 Oct 10 |
| Monowai Seamount | New Zealand | 2003 Apr 10 | 2003 Nov |
| Llaima | Chile | 2003 Apr 9 | 2003 Apr 16 (on or after) |
| Vailulu'u | United States | 2003 ± 2 years Apr | Unknown |
| Mayon | Philippines | 2003 Mar 17 | 2003 May 14 |
| Etna | Italy | 2003 Mar 8 ± 3 days | 2003 Nov 9 |
| Canlaon | Philippines | 2003 Mar 7 | 2003 Jul 23 |
| Asama | Japan | 2003 Feb 6 | 2003 Apr 18 |
| Kikai | Japan | 2003 Feb | 2003 Oct |
| Kliuchevskoi | Russia | 2002 Dec 24 | 2004 Apr 8 |
| Lokon-Empung | Indonesia | 2002 Dec 23 | 2003 Apr 1 |
| Bezymianny | Russia | 2002 Dec 23 (?) | 2003 Jan 1 (?) |
| Reventador | Ecuador | 2002 Nov 3 | 2003 Jan 10 (?) |
| Etna | Italy | 2002 Oct 26 | 2003 Jan 28 |
| Rabaul | Papua New Guinea | 2002 Oct 6 (?) | 2004 Feb 17 |
| Pago | Papua New Guinea | 2002 Aug 3 | 2003 Mar 26 ± 25 days |
| Langila | Papua New Guinea | 2002 May 25 (?) | 2003 Apr 9 (?) |
| Nyiragongo | DR Congo | 2002 May 17 (?) | 2006 (continuing) |
| Guagua Pichincha | Ecuador | 2002 Apr | 2004 Apr |
| Fuego | Guatemala | 2002 Jan 4 | 2006 (continuing) |
| Karymsky | Russia | 2001 Nov 15 | 2006 (continuing) |
| Montagu Island | South Sandwich Islands | 2001 Oct 1 ± 20 days | 2006 (continuing) |
| Suwanose-jima | Japan | 2000 Dec 19 | 2004 Jul 5 (?) |
| Bagana | Papua New Guinea | 2000 Sep 16 | 2006 (continuing) |
| Soputan | Indonesia | 2000 May 13 | 2003 Sep 4 (?) |
| Kavachi | Solomon Is | 1999 Nov (?) | 2003 Aug |
| Tungurahua | Ecuador | 1999 Oct 5 | 2006 (continuing) |
| Shiveluch | Russia | 1999 Aug 15 | 2006 (continuing) |
| Karangetang [Api Siau] | Indonesia | 1999 Mar (on or before) | 2003 Oct 28 |
| Colima | México | 1997 Nov 22 | 2006 (continuing) |
| Ambrym | Vanuatu | 1996 Jun (on or before) | 2005 Jun 19 (?) |
| Popocatépetl | México | 1996 Mar 5 | 2003 Nov 22 (?) |
| Soufrière Hills | United Kingdom | 1995 Jul 18 | 2003 Oct 8 |
| Lengai, Ol Doinyo | Tanzania | 1994 Sep 18 | 2006 (continuing) |
| Kilauea | United States | 1983 Jan 3 | 2006 (continuing) |
| Erebus | Antarctica | 1972 Dec (on or before) | 2006 (continuing) |
| Arenal | Costa Rica | 1968 Jul 29 | 2006 (continuing) |
| Semeru | Indonesia | 1967 Aug 31 | 2006 (continuing) |
| Erta Ale | Ethiopia | 1967 (in or before) | 2006 (continuing) |
| Sakura-jima | Japan | 1955 Oct 13 | 2006 (continuing) |
| Sangay | Ecuador | 1934 Aug 8 | 2006 (continuing) |
| Stromboli | Italy | 1934 Feb 2 | 2006 (continuing) |
| Dukono | Indonesia | 1933 Aug 13 | 2006 (continuing) |
| Santa María | Guatemala | 1922 Jun 22 | 2006 (continuing) |
| Yasur | Vanuatu | 1774 (in or before) | 2006 (continuing) |