July 28, 2018 Tsunami: Bali Sea, Indonesia
A tsunami caused by a magnitude 6.4 earthquake began at Bali Sea, Indonesia on July 28, 2018 at 22:47:38 UTC. The water rose as high as 2.5 meters. Its effects were recorded at 2 places. It killed 17 people, counting the earthquake or eruption that caused it.
Where the waves reached
The source (white) and every runup with a place, colored by the water height recorded there. A ring is a runup NCEI marks doubtful.
- Under 1 m
- 1 to 3 m
- 3 to 10 m
- 10 to 30 m
- 30 m and more
- Height not recorded
The tsunami
- Date
- July 28, 2018, 22:47:38 UTC
- Source
- Bali Sea, Indonesia
- Cause
- Earthquake
- Earthquake
- Magnitude 6.4, 14 km deep
- Maximum water height
- 2.5 m (8.2 ft)
- Runups recorded
- 2
- Waters
- Ocean
- How certain
- Probable tsunami
- Source location
- 8.240° S, 116.508° E
The toll
- Deaths
- 17 with the earthquake or eruption that caused it
- Injuries
- 355 with the earthquake or eruption that caused it
- Damage
- Limited (under about $1 million); Severe (about $5 to $25 million) with the earthquake or eruption that caused it
- Houses destroyed
- Few (about 1 to 50); 5,448 with the earthquake or eruption that caused it
- Houses damaged
- Many (101 to 1,000) with the earthquake or eruption that caused it
Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.
What the record says
NCEI’s account, from the sources it cites.
[...] there was no warning prior to the small-scale tsunami on the Eastern coast of Lombok on July 29, 2018 [...]
During the site visits, it was ascertained that two small-scale tsunamis hit the eastern and northern coast of the island after the earthquakes on the July 29 and August 5, 2018, respectively, which had not been officially documented in the academic literature.
(above from reference #12923)
Every runup
Nearest the source first. Heights are above sea level at the time; a tide gauge reads half the wave’s full height.
| Where | Country | Km from source | Water height, m | Inland, m | Measured by | First wave, UTC | Deaths |
|---|---|---|---|---|---|---|---|
| Labuhan Pandan, Lombok Island | Indonesia | 29 | 2.5 | 70 | Eyewitness observation of water height | ||
| Leper, Lombok Island | Indonesia | 31 | 1 | 10 | Eyewitness observation of water height |
More
Every tsunami in 2018The 2000sTsunamis of IndonesiaThe earthquakeThis day in weather historyAlerts in force
Sources
Tsunami events and runups from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI tsunami event 5778.