Langila is one of the most active volcanoes in Papua New Guinea.
| Year | Volcanic Activity |
| 1973 | Lava emission in mid July. |
| 1974 | Large explosion on 15 February. |
| 1978 | Mild Strombolian eruption, Vulcanian activity, Active lava dome, ash emission. |
| 1979 | Frequent ash emission. |
| 1980 | New crater, Lava emission from new vent, Incandescent explosions, Vulcanian explosions, block lava flow. |
| 1981 | Lava flow and ash emission, Vulcanian explosions, Eruption column to 6-7 km altitude; nuées ardentes,. |
| 1982 | Vulcanian and Strombolian activity; lava flow, Explosive eruptions, ash to six kilometers, Incandescent tephra, Two large Vulcanian explosions. |
| 1983 | Ash cloud to 8km height, ashfalls to 10 km radius. |
| 1984 | Vulcanian explosions; ashfalls on coast. |
| 1985 | Vulcanian explosions, earthquakes and tremor, ashfall to 30 km radius. |
| 1986 | Occasional explosions; light ashfalls. |
| 1987 | Ash cloud to 3 km height. |
| 1988 | Small explosion ejects incandescent lava. |
| 1989 | Moderate ash ejections and glow. |
| 1990 | Moderate Vulcanian activity. |
| 1991 | Explosive activity from two craters; small pyroclastic flows. |
| 1992 | Strombolian explosions and lava flow. |
| 1993 | Explosions send incandescent material 80 m above summit. |
| 1994 | Ash columns from both active craters. |
| 1995 | Ashfalls 10-15 km radius. |
| 1996 | Intermittent Vulcanian explosions. |
| 1997 | Eruptions to 11-km altitude create aviation risks. |
| 1998 | Ash emission to 2.5 km altitude. |
| 1999 | Vulcanian activity. |
| 2000 | Vulcanian eruptions. |
| 2003 | Satellite monitoring indicate ongoing eruptions. |
| 2004 | Satellite monitoring indicate ongoing eruptions. |
| 2005 | Volcanic activity began on 24th April. |
| 2006 | Ash emissions in October. |
| 2007 | Vulcanian activity and ash emissions. |