40
| Volcano | Country / Location | Eruption Start Date | Eruption Stop Date |
| Rinjani | Indonesia | 1944 Dec 25 | 1945 Jan 1 (?) |
| Kliuchevskoi | Russia | 1944 Dec 9 | 1945 Jan 20 (on or after) |
| Dieng Volc Complex | Indonesia | 1944 Dec 4 | Unknown |
| Fuego | Guatemala | 1944 Dec 1 ± 30 days | Unknown |
| Iwo-jima | Japan | 1944 Dec | Unknown |
| Kurikoma | Japan | 1944 Nov 20 | 1944 Dec |
| Shiveluch | Russia | 1944 Nov 5 | 1950 Apr 6 |
| Ruapehu | New Zealand | 1944 Oct | Unknown |
| Iliboleng | Indonesia | 1944 Aug | 1944 Oct |
| Shikotsu | Japan | 1944 Jul 2 | 1944 Jul 2 |
| Raung | Indonesia | 1944 Jun 30 | 1945 Apr 19 |
| Usu | Japan | 1944 Jun 23 | 1945 Sep 19 |
| Cleveland | United States | 1944 Jun 10 | 1944 Jun 12 |
| Asama | Japan | 1944 Jun | 1945 Nov |
| Slamet | Indonesia | 1944 May 9 | 1944 Oct 30 |
| Fournaise, Piton de la | France | 1944 Apr 11 | 1944 May 1 |
| Concepción | Nicaragua | 1944 Apr | 1945 Dec |
| Veniaminof | United States | 1944 Mar 28 | Unknown |
| Reventador | Ecuador | 1944 Feb 24 | 1944 Mar 1 |
| Krakatau | Indonesia | 1944 | Unknown |
| Bam | Papua New Guinea | 1944 | Unknown |
| Copahue | Chile/Argentina | 1944 | Unknown |
| Llaima | Chile | 1944 | Unknown |
| Aso | Japan | 1943 Dec 9 | 1944 Feb |
| Telica | Nicaragua | 1943 Dec | 1944 Apr |
| Slamet | Indonesia | 1943 Oct 2 | 1944 Jan 5 |
| Waiowa | Papua New Guinea | 1943 Sep 18 | 1944 Aug 31 |
| Michoacán-Guanajuato | México | 1943 Feb 20 | 1952 Feb 25 |
| Merapi | Indonesia | 1942 May 30 | 1945 May |
| Etna | Italy | 1941 Oct (?) | 1944 Apr 26 ± 4 days |
| Poás | Costa Rica | 1941 | 1946 |
| Izalco | El Salvador | 1939 Feb | 1948 Feb |
| Pavlof | United States | 1936 | 1948 May (?) |
| Sangay | Ecuador | 1934 Aug 8 | 2006 (continuing) |
| Stromboli | Italy | 1934 Feb 2 | 2006 (continuing) |
| Dukono | Indonesia | 1933 Aug 13 | 2006 (continuing) |
| Kita-Iwo-jima | Japan | 1930 | 1945 |
| Nyiragongo | DR Congo | 1927 Mar | 1977 Jan 10 |
| Santa María | Guatemala | 1922 Jun 22 | 2006 (continuing) |
| Vesuvius | Italy | 1913 Jul 5 | 1944 Apr 4 |
| Yasur | Vanuatu | 1774 (in or before) | 2006 (continuing) |