Historical tsunamis · Jul 9, 1847

1847 Azores tsunami

Portugal

The tsunami of Jul 9, 1847 originated near Azores (Portugal).

Key facts

Date
Jul 9, 1847
Cause
Landslide
Maximum documented water height
7.00 m
Deaths
10
Injuries
100
Observation records
2
Countries affected
1

Cause according to NOAA/NCEI: Landslide.

The highest documented water height was 7.00 m (Corvo Island, Azores, Azores (Portugal)).

2 observation sites in 1 countries are recorded.

The database records 10 deaths.

Map of observation sites

2

Each dot is a documented observation site; colour and size show the observed water height. The triangle marks the source.

Observations by country

CountryObservation recordsMaximum documented water heightDeathsEarliest arrival
Azores (Portugal)27.00 m
Corvo Island, Azores
10—

Highest documented water heights

2 / 2

Individual documented observations for this event. Heights come from different measurement types and sources; not every location has a measured height.

Location / stationObserved heightDistance from sourceCountry
Corvo Island, Azores7.00 m27 kmAzores (Portugal)
Flores Island, Azores7.00 m3 kmAzores (Portugal)

Source: NOAA National Centers for Environmental Information (NCEI), Global Historical Tsunami Database. Confirmed events only. Deaths and damage are database estimates; older records are incomplete. Water heights come from different types of observation.