Historical tsunamis · Apr 1, 2026, 10:48 PM UTC
2026 Molucca Sea tsunami
Indonesia
The tsunami of Apr 1, 2026, 10:48 PM UTC originated near Molucca Sea (Indonesia).
Key facts
- Date
- Apr 1, 2026, 10:48 PM UTC
- Cause
- Earthquake
- Magnitude
- M7.4
- Depth
- 35 km
- Maximum documented water height
- 0.75 m
- Deaths
- 1
- Injuries
- few (up to about 50)
- Damage
- moderate (about US$ 1–5 million)
- Observation records
- 13
- Countries affected
- 2
It was triggered by a magnitude 7.4 earthquake at a depth of 35 km.
The highest documented water height was 0.75 m (Minahasa Utara, Indonesia).
13 observation sites in 2 countries are recorded.
The database records 1 deaths.
Damage is estimated at moderate (about US$ 1–5 million).
Map of observation sites
13Each 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) · Apr 1, 2026, 10:48 PM UTC
- 0:17 hIndonesia · Kema, Sulawesi Island · 0.65 m
1 places with a documented arrival time
Observations by country
| Country | Observation records | Maximum documented water height | Deaths | Earliest arrival |
|---|---|---|---|---|
| Indonesia | 12 | 0.75 m Minahasa Utara | — | 0:17 h |
 Philippines | 1 | 0.05 m Davao | — | — |
Highest documented water heights
13 / 13Individual 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 |
|---|---|---|---|
| Minahasa Utara · North Sulawesi | 0.75 m | 139 km | Indonesia |
| Belang, Sulawesi · North Sulawesi | 0.68 m | 169 km | Indonesia |
| Kema, Sulawesi Island · North Sulawesi | 0.65 m | 138 km | Indonesia |
| Sidangoli · North Maluku | 0.35 m | 136 km | Indonesia |
| Jailolo, Halmahera · North Maluku | 0.30 m | 131 km | Indonesia |
| Gita · North Maluku | 0.24 m | 168 km | Indonesia |
| Bitung · North Sulawesi | 0.20 m | 128 km | Indonesia |
| Sitaro (Ulu Siau) · North Sulawesi | 0.19 m | 204 km | Indonesia |
| Beo, North Sulawesi · North Sulawesi | 0.15 m | 348 km | Indonesia |
| Kedi · North Maluku | 0.15 m | 156 km | Indonesia |
| Bumbulan · Gorontalo | 0.13 m | 471 km | Indonesia |
| Talengen, Sulawesi · North Sulawesi | 0.13 m | 285 km | Indonesia |
| Davao | 0.05 m | 671 km | Philippines |
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.