Historical tsunamis · Jul 17, 2026, 2:48 PM UTC
2026 S. Mexico tsunami
Mexico
The tsunami of Jul 17, 2026, 2:48 PM UTC originated near S. Mexico (Mexico).
Key facts
- Date
- Jul 17, 2026, 2:48 PM UTC
- Cause
- Earthquake
- Magnitude
- M7.3
- Depth
- 18 km
- Maximum documented water height
- 0.34 m
- Injuries
- few (up to about 50)
- Houses destroyed
- 26
- Damage
- moderate (about US$ 1–5 million)
- Observation records
- 6
- Countries affected
- 2
It was triggered by a magnitude 7.3 earthquake at a depth of 18 km.
The highest documented water height was 0.34 m (Salina Cruz, Mexico).
6 observation sites in 2 countries are recorded.
Houses destroyed: 26.
Damage is estimated at moderate (about US$ 1–5 million).
Map of observation sites
6Each 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.
- 0:00 hEarthquake (origin) · Jul 17, 2026, 2:48 PM UTC
- 0:49 hMexico · Puerto Chiapas · 0.32 m
3 places with a documented arrival time
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| Mexico | 5 | 0.34 m Salina Cruz | — | 0:49 h |
 Guatemala | 1 | 0.14 m Puerto San Jose | — | — |
Highest documented water heights
6 / 6Individual documented observations for this event. Heights come from different measurement types and sources; not every location has a measured height.
| Location / station | Observed height | Distance from source | Country |
|---|---|---|---|
| Salina Cruz · Oaxaca | 0.34 m | 297 km | Mexico |
| Puerto Chiapas · Chiapas | 0.32 m | 59 km | Mexico |
| Puerto Madero · Chiapas | 0.32 m | 60 km | Mexico |
| Puerto San Jose | 0.14 m | 244 km | Guatemala |
| Huatulco · Oaxaca | 0.12 m | 362 km | Mexico |
| D43413 Bpr, 360 Nm SW Acapulco | 0.01 m | 867 km | Mexico |
More tsunamis
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.