September 9, 1823 Tsunami: Java, Indonesia
A tsunami caused by a magnitude 6.8 earthquake began at Java, Indonesia on September 9, 1823. The water rose as high as 0.3 meters. Its effects were recorded at 1 place.
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
- September 9, 1823
- Source
- Java, Indonesia
- Cause
- Earthquake
- Earthquake
- Magnitude 6.8, 150 km deep
- Maximum water height
- 0.3 m (1.0 ft)
- Runups recorded
- 1
- Tsunami intensity (Soloviev-Imamura)
- -1.5
- Waters
- Ocean
- How certain
- Questionable tsunami
- Source location
- 6.500° S, 108.500° E
The toll
The record gives no deaths, injuries or damage for this tsunami.
What the record says
NCEI’s account, from the sources it cites.
September 9, 1823, about 8:00 (local time), 6.5 S, 108.5 E, depth 150 km, magnitude 6.75. At Bogar (Buitenzorg), and also in the Cheribon district, an earthquake occurred, which was felt especially strongly in Cheribon city, where it was accompanied by a rumble. At the same time, the sea rose about 0.3 m (1 foot). (reference #414)
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 |
|---|---|---|---|---|---|---|---|
| Cheribon | Indonesia | 24 | 0.3 | Eyewitness observation of water height |
More
Every tsunami in 1823The 1800sTsunamis 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 643.