Historical tsunamis · Aug 31, 2012, 12:47 PM UTC

2012 Philippine Islands tsunami

Philippines

The tsunami of Aug 31, 2012, 12:47 PM UTC originated near Philippine Islands (Philippines).

Key facts

Date
Aug 31, 2012, 12:47 PM UTC
Cause
Earthquake
Magnitude
M7.6
Depth
28 km
Maximum documented water height
0.15 m
Deaths
1
Injuries
1
Houses destroyed
few (up to about 50)
Damage
US$ 0.3 million
Observation records
18
Countries affected
5

It was triggered by a magnitude 7.6 earthquake at a depth of 28 km.

The highest documented water height was 0.15 m (Kushimoto, Japan).

18 observation sites in 5 countries are recorded.

Outside the source country, the earliest documented arrival was at D52405 Bpr, Guam (USA Territory) after 0:44 h.

The database records 1 deaths.

Houses destroyed: few (up to about 50).

Damage is estimated at US$ 0.3 million.

Map of observation sites

18

Each 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.

  1. 0:00 hEarthquake (origin) · Aug 31, 2012, 12:47 PM UTC
  2. 0:36 hPhilippines · Legaspi · 0.02 m
  3. 0:44 hUSA Territory · D52405 Bpr, Guam · 0.03 m
  4. 1:22 hPalau · Malakal Island, Caroline Islands · 0.02 m
  5. 1:41 hMicronesia, Fed. States Of · Yap Island, Caroline Islands · 0.02 m
  6. 1:57 hJapan · Ishigakiko · 0.05 m

17 places with a documented arrival time

Observations by country

CountryObservation recordsMaximum documented water heightDeathsEarliest arrival
Japan80.15 m
Kushimoto
—1:57 h
Philippines30.09 m
Davao
—0:36 h
USA Territory40.04 m
Midway Islands
—0:44 h
Micronesia, Fed. States Of20.02 m
Yap Island, Caroline Islands
—1:41 h
Palau10.02 m
Malakal Island, Caroline Islands
—1:22 h

Highest documented water heights

15 / 18

Individual documented observations for this event. Heights come from different measurement types and sources; not every location has a measured height.

Location / stationObserved heightDistance from sourceCountry
Kushimoto · Wakayama0.15 m2,678 kmJapan
Chichijima Island · Bonin Is, Tokyo0.12 m2,430 kmJapan
Mera · Chiba0.12 m2,986 kmJapan
Omaezaki · Shizuoka0.11 m2,886 kmJapan
Davao0.09 m418 kmPhilippines
Tosa-Shimizu · Kochi0.09 m2,517 kmJapan
Naha · Okinawa0.06 m1,709 kmJapan
Ishigakiko · Okinawa0.05 m1,519 kmJapan
Aburatsu · Miyazaki0.04 m2,352 kmJapan
Midway Islands · Hi0.04 m6,128 kmUSA Territory
Wake Island · Um0.04 m4,389 kmUSA Territory
D52405 Bpr, Guam · Gu0.03 m661 kmUSA Territory
Saipan, Northern Mariana Islands · Mp0.03 m2,128 kmUSA Territory
Legaspi0.02 m407 kmPhilippines
Malakal Island, Caroline Islands0.02 m942 kmPalau

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.