Historical tsunamis · Apr 20, 1999

1999 Kasu Cone tsunami

Papua New Guinea

The tsunami of Apr 20, 1999 originated near Kasu Cone (Papua New Guinea).

Key facts

Date
Apr 20, 1999
Cause
Landslide
Maximum documented water height
15.0 m
Deaths
1
Injuries
11
Houses destroyed
2
Damage
limited (under US$ 1 million)
Observation records
0

Cause according to NOAA/NCEI: Landslide.

The highest documented water height was 15.0 m.

The database records 1 deaths.

Houses destroyed: 2.

Damage is estimated at limited (under US$ 1 million).

Map of observation sites

No individual observation sites are documented for this event; the map shows the source only.

Source: NOAA National Centers for Environmental Information (NCEI), Global Historical Tsunami Database. Confirmed events only. Deaths and damage are database estimates; older records are incomplete. Water heights come from different types of observation.