Tsunamis in 1862

July 10, 1862 Tsunami: Gold Coast, Ghana

July 10, 1862 · 3 deaths · Questionable tsunami

A tsunami caused by a magnitude 6.5 earthquake began at Gold Coast, Ghana on July 10, 1862. Its effects were recorded at 1 place. It killed 3 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

Tsunami warnings in force

The tsunami

Date
July 10, 1862
Source
Gold Coast, Ghana
Cause
Earthquake
Earthquake
Magnitude 6.5
Runups recorded
1
Waters
Ocean
How certain
Questionable tsunami
Source location
7.000° N, 0.400° E

The toll

Deaths
3 with the earthquake or eruption that caused it
Damage
Severe (about $5 to $25 million) with the earthquake or eruption that caused it
Houses destroyed
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.

1862 July 10, 08h 15m, Ghana; MF 6.5. At Gounkovhe the sea retired a distance of 80 m from the beach compared with the normal daily tidal change of 20 m. (reference #1214)

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
GounkovheTogoEyewitness observation of water height

More

Every tsunami in 1862The 1800sTsunamis of GhanaThe 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 3560.