Historic Tsunami

2026 Indonesia Tsunami

1 April 2026 · Molucca Sea · Indonesia

On 1 April 2026 at 22:48 UTC, a tsunami formed near Molucca Sea, Indonesia. It was caused by a magnitude 7.4 earthquake. Waves reached up to 0.8 m high. It was observed at 13 locations in 2 countries or territories, up to 671 km from its source. It killed at least 1 person.

Date

1 April 2026

Time

22:48 UTC

Cause

Earthquake

Earthquake Magnitude

7.4

Highest Wave

0.8 m

Observation Sites

13

Furthest Reach

671 km

Deaths

1

Source Country

Indonesia

Triggering Earthquake

2026 Molucca Sea Earthquake

Countries and Territories Reached

Number of observations, highest wave and deaths in each country.

• 12Indonesia · 0.8 m
• 1Philippines · 0.1 m

Highest Waves

• 0.8 mMinahasa Utara · Indonesia · 139 km
• 0.7 mBelang, Sulawesi · Indonesia · 169 km
• 0.7 mKema, Sulawesi Island · Indonesia · 138 km
• 0.4 mSidangoli · Indonesia · 136 km
• 0.3 mJailolo, Halmahera · Indonesia · 131 km
• 0.2 mGita · Indonesia · 168 km
• 0.2 mBitung · Indonesia · 128 km
• 0.2 mSitaro (Ulu Siau) · Indonesia · 204 km
• 0.2 mBeo, North Sulawesi · Indonesia · 349 km
• 0.2 mKedi · Indonesia · 156 km

Other Major Tsunamis in the Region

• 2008Sulawesi, Indonesia · 0.1 m6 deaths
• 2000Sulawesi, Indonesia · 6.0 m54 deaths
• 1994Halmahera, Indonesia · 3.0 m1 deaths
• 1994Halmahera, Indonesia · 2.0 m9 deaths
• 1965Sanana Island, Indonesia71 deaths
• 1932North Sulawesi, Indonesia7 deaths

Sources: NOAA National Centers for Environmental Information, Global Historical Tsunami Database (doi:10.7289/V5PN93H7) · Natural Earth