Tsunamis in 1915

May 23, 1915 Tsunami: Kaimana, Indonesia

May 23, 1915 · 0.5 m · Very doubtful tsunami

A tsunami caused by an earthquake began at Kaimana, Indonesia on May 23, 1915. The water rose as high as 0.5 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

Tsunami warnings in force

The tsunami

Date
May 23, 1915
Source
Kaimana, Indonesia
Cause
Earthquake
Earthquake
The earthquake
Maximum water height
0.5 m (1.6 ft)
Runups recorded
1
Tsunami intensity (Soloviev-Imamura)
0
Waters
Ocean
How certain
Very doubtful tsunami
Source location
3.644° S, 133.695° 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.

May 23,1915, 5:50 [local time]. At Kaimana (New Guinea), a shock lasting 2-3 seconds was felt. Then another three strong shocks were felt. Buildings swayed heavily. At night on the 22nd-23rd of May, there was a strong thunderstorm and a downpour. The level of the sea rose 1/2 m above the level of the spring high tides. (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.

WhereCountryKm from sourceWater height, mInland, mMeasured byFirst wave, UTCDeaths
KaimanaIndonesia00.5Eyewitness observation of water height

More

Every tsunami in 1915The 1900sTsunamis 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 1423.