Historic Tsunami

2021 Philippines Tsunami

11 August 2021 · Mindanao Island · Philippines

On 11 August 2021 at 17:46 UTC, a tsunami formed near Mindanao Island, Philippines. It was caused by a magnitude 7.1 earthquake. Waves reached up to 0.1 m high. It was observed at 2 locations in 2 countries or territories, up to 581 km from its source. It killed at least 1 person.

Date

11 August 2021

Time

17:46 UTC

Cause

Earthquake

Earthquake Magnitude

7.1

Highest Wave

0.1 m

Observation Sites

2

Furthest Reach

581 km

Deaths

1

Source Country

Philippines

Triggering Earthquake

M 7.1, 2021

Countries and Territories Reached

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

• 1Indonesia · 0.1 m
• 1Philippines

Highest Waves

• 0.1 mBitung · Indonesia · 581 km
• 0.0 mDavao · Philippines · 142 km

Other Major Tsunamis in the Region

• 2026Mindanao Island, Philippines · 2.5 m107 deaths
• 2025Mindanao Island, Philippines · 0.3 m10 deaths
• 2002Mindanao Island, Philippines · 3.0 m15 deaths
• 1976Moro Gulf, Philippines · 9.0 m8,000 deaths
• 1928Celebes Sea, Philippines97 deaths
• 1918Celebes Sea, Philippines · 7.2 m52 deaths

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