Historical tsunamis · Oct 18, 1868, 12:35 PM UTC

1868 New Zealand tsunami

New Zealand

The tsunami of Oct 18, 1868, 12:35 PM UTC originated near New Zealand (New Zealand).

Key facts

Date
Oct 18, 1868, 12:35 PM UTC
Cause
Earthquake
Magnitude
M7.6
Depth
12 km
Maximum documented water height
3.00 m
Observation records
5
Countries affected
1

It was triggered by a magnitude 7.6 earthquake at a depth of 12 km.

The highest documented water height was 3.00 m (Farewell Spit (Near Pakawau), New Zealand).

5 observation sites in 1 countries are recorded.

Map of observation sites

5

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
New Zealand53.00 m
Farewell Spit (Near Pakawau)
——

Highest documented water heights

5 / 5

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
Farewell Spit (Near Pakawau)3.00 m52 kmNew Zealand
Port Nelson0.30 m120 kmNew Zealand
Waitara0.30 m169 kmNew Zealand
Westport0.30 m210 kmNew Zealand
Thames—405 kmNew Zealand

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.