Historical tsunamis · Dec 14, 1950, 2:15 PM UTC

1950 S. Mexico tsunami

Mexico

The tsunami of Dec 14, 1950, 2:15 PM UTC originated near S. Mexico (Mexico).

Key facts

Date
Dec 14, 1950, 2:15 PM UTC
Cause
Earthquake
Magnitude
M7.5
Depth
50 km
Maximum documented water height
0.30 m
Damage
severe (about US$ 5–25 million)
Observation records
2
Countries affected
2

It was triggered by a magnitude 7.5 earthquake at a depth of 50 km.

The highest documented water height was 0.30 m (Acapulco, Mexico).

2 observation sites in 2 countries are recorded.

Damage is estimated at severe (about US$ 5–25 million).

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.

Tsunami arrival times

Documented arrival times from the NOAA/NCEI database, showing the earliest recorded location per country. Coverage is incomplete: a country without an entry was not necessarily spared.

  1. 0:00 hEarthquake (origin) · Dec 14, 1950, 2:15 PM UTC
  2. 0:18 hMexico · Acapulco · 0.30 m

1 places with a documented arrival time

Observations by country

CountryObservation recordsMaximum documented water heightDeathsEarliest arrival
Mexico10.30 m
Acapulco
—0:18 h
United States10.10 m
Port Allen, Kauai, Hi
——

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
Acapulco · Guerrero0.30 m184 kmMexico
Port Allen, Kauai, Hi · Hi0.10 m6,441 kmUnited States

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.