Historical tsunamis · Jan 10, 2018, 2:51 AM UTC
2018 Off Coast of Honduras tsunami
Honduras
The tsunami of Jan 10, 2018, 2:51 AM UTC originated near Off Coast of Honduras (Honduras).
Key facts
- Date
- Jan 10, 2018, 2:51 AM UTC
- Cause
- Earthquake
- Magnitude
- M7.5
- Depth
- 19 km
- Maximum documented water height
- 0.40 m
- Damage
- limited (under US$ 1 million)
- Observation records
- 8
- Countries affected
- 5
It was triggered by a magnitude 7.5 earthquake at a depth of 19 km.
The highest documented water height was 0.40 m (Roatan Island, Honduras).
8 observation sites in 5 countries are recorded.
Outside the source country, the earliest documented arrival was at George Town (Cayman Islands (UK Territory)) after 0:34 h.
Damage is estimated at limited (under US$ 1 million).
Map of observation sites
8Each 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) · Jan 10, 2018, 2:51 AM UTC
- 0:34 hCayman Islands (UK Territory) · George Town · 0.26 m
- 0:42 hMexico · Sian Kaan · 0.05 m
- 0:46 hBelize · Carrie Bow Cay · 0.02 m
6 places with a documented arrival time
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| Honduras | 1 | 0.40 m Roatan Island | — | — |
| Cayman Islands (UK Territory) | 1 | 0.26 m George Town | — | 0:34 h |
 Mexico | 3 | 0.08 m Puerto Morelos | — | 0:42 h |
 Belize | 2 | 0.02 m Carrie Bow Cay | — | 0:46 h |
 Guatemala | 1 | — | — | — |
Highest documented water heights
8 / 8Individual 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 |
|---|---|---|---|
| Roatan Island | 0.40 m | 342 km | Honduras |
| George Town | 0.26 m | 302 km | Cayman Islands (UK Territory) |
| Puerto Morelos · Quintana Roo | 0.08 m | 514 km | Mexico |
| Isla Mujeres · Quintana Roo | 0.07 m | 532 km | Mexico |
| Sian Kaan · Quintana Roo | 0.05 m | 462 km | Mexico |
| Carrie Bow Cay | 0.02 m | 491 km | Belize |
| Port of Belize | 0.01 m | 497 km | Belize |
| Izabal | — | 593 km | Guatemala |
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.