Historical tsunamis · Apr 7, 1845
1845 S. Mexico tsunami
Mexico
The tsunami of Apr 7, 1845 originated near S. Mexico (Mexico).
Key facts
- Date
- Apr 7, 1845
- Cause
- Earthquake
- Magnitude
- M8.3
- Maximum documented water height
- —
- Damage
- moderate (about US$ 1–5 million)
- Observation records
- 1
- Countries affected
- 1
It was triggered by a magnitude 8.3 earthquake.
1 observation sites in 1 countries are recorded.
Damage is estimated at moderate (about US$ 1–5 million).
Map of observation sites
1Each 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)
- 0:30 hMexico · Acapulco
1 places with a documented arrival time
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| Mexico | 1 | — | — | 0:30 h |
Highest documented water heights
1 / 1Individual 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 |
|---|---|---|---|
| Acapulco · Guerrero | — | 75 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.