Historical tsunamis · Jun 23, 2020, 3:29 PM UTC

2020 Off Coast of Oaxaca tsunami

Mexico

The tsunami of Jun 23, 2020, 3:29 PM UTC originated near Off Coast of Oaxaca (Mexico).

Key facts

Date
Jun 23, 2020, 3:29 PM UTC
Cause
Earthquake
Magnitude
M7.4
Depth
26 km
Maximum documented water height
1.57 m
Deaths
10
Injuries
24
Damage
extreme (over US$ 25 million)
Observation records
9
Countries affected
1

It was triggered by a magnitude 7.4 earthquake at a depth of 26 km.

The highest documented water height was 1.57 m (Playa Pescadores, Mexico).

9 observation sites in 1 countries are recorded.

The database records 10 deaths.

Damage is estimated at extreme (over US$ 25 million).

All tsunamis in MexicoRecord at NOAA/NCEI ↗

Map of observation sites

9

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) · Jun 23, 2020, 3:29 PM UTC
  2. 0:50 hMexico · Salina Cruz · 0.68 m

2 places with a documented arrival time

Observations by country

CountryObservation recordsMaximum documented water heightDeathsEarliest arrival
Mexico91.57 m
Playa Pescadores		—0:50 h

Highest documented water heights

9 / 9

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
Playa Pescadores · Oaxaca1.57 m16 kmMexico
Playa Yerbabuena · Oaxaca0.99 m20 kmMexico
Marina Chahue · Oaxaca0.95 m18 kmMexico
Playa El Violin · Oaxaca0.90 m21 kmMexico
Acapulco · Guerrero0.68 m429 kmMexico
Salina Cruz · Oaxaca0.68 m92 kmMexico
Huatulco · Oaxaca0.30 m16 kmMexico
Puerto Chiapas · Chiapas0.13 m408 kmMexico
D43413 Bpr, 360 Nm SW Acapulco0.01 m697 kmMexico

More tsunamis in Mexico

  • S. Mexico Jul 17, 2026, 2:48 PM UTC · 0.34 m
  • Acapulco Jan 2, 2026, 1:58 PM UTC · 0.05 m
  • Mexico Sep 19, 2022, 6:05 PM UTC · 0.79 m
  • S. Mexico Sep 8, 2021, 1:47 AM UTC · 0.48 m
  • S. Mexico Sep 8, 2017, 4:49 AM UTC · 2.70 m
  • S. Mexico Apr 18, 2014, 2:27 PM UTC · 0.43 m
  • S. Mexico Mar 20, 2012, 6:02 PM UTC · 0.20 m
  • S. Mexico Jan 22, 2003, 2:06 AM UTC · 0.61 m

Tsunamis nearby

  • Guatemala Guatemala · Feb 4, 1976, 9:01 AM UTC
  • Guatemala Guatemala · Nov 7, 2012, 4:35 PM UTC

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.