Tsunamis in 1870

June 24, 1870 Tsunami: Alexandria, Egypt

June 24, 1870 · Probable tsunami

A tsunami caused by an earthquake began at Alexandria, Egypt on June 24, 1870 at 17:00 UTC. 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
June 24, 1870, 17:00 UTC
Source
Alexandria, Egypt
Cause
Earthquake
Earthquake
The earthquake
Runups recorded
1
Tsunami intensity (Soloviev-Imamura)
3
Waters
Ocean
How certain
Probable tsunami
Source location
36.000° N, 26.000° E

The toll

Damage
Limited (under about $1 million) 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.

1870, June 24, 18h +1 hr. 32.2 N 29.6 E, Hellenic Arc [?]. A powerful earthquake occurred in the vast territory in the eastern coastal area of the Mediterranean Sea. The earthquake was strong in Athens where it was noted at 17h54m, in Izmir, it was felt on the Islands of Crete Cyprus, Thira (Santorini), Malta.

The water in the new port of Alexandria splashed out onto the quay. This fact supports reports that the earthquake was accompanied by tsunami waves. (reference #2130)

1870, June 24, 17h. 36 N, 26 E. Event reliability 3 (probable). (reference #11164)

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
AlexandriaEgypt645Eyewitness observation of water height

More

Every tsunami in 1870The 1800sTsunamis of EgyptThe 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 1013.