Historical tsunamis · Nov 11, 1922, 4:32 AM UTC

1922 Northern Chile tsunami

Chile

The tsunami of Nov 11, 1922, 4:32 AM UTC originated near Northern Chile (Chile).

Key facts

Date
Nov 11, 1922, 4:32 AM UTC
Cause
Earthquake
Magnitude
M8.5
Depth
70 km
Maximum documented water height
5.50 m
Deaths
700
Houses destroyed
many (about 101–1,000)
Damage
severe (about US$ 5–25 million)
Observation records
41
Countries affected
11

It was triggered by a magnitude 8.5 earthquake at a depth of 70 km.

The highest documented water height was 5.50 m (Caldera, Chile).

41 observation sites in 11 countries are recorded.

Outside the source country, the earliest documented arrival was at San Diego, Ca (United States) after 12:46 h.

The database records 700 deaths.

Houses destroyed: many (about 101–1,000).

Damage is estimated at severe (about US$ 5–25 million).

Map of observation sites

41

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) · Nov 11, 1922, 4:32 AM UTC
  2. 0:20 hChile · Taltal
  3. 12:46 hUnited States · San Diego, Ca · 0.20 m
  4. 14:06 hSamoa · Apia, Upolu Island
  5. 15:57 hCanada · Tofino (Clayoquot),British Columbia · 0.14 m
  6. 21:50 hJapan · Hanasaki · 0.30 m
  7. 25:16 hTaiwan · Keelung · 0.03 m

17 places with a documented arrival time

Observations by country

CountryObservation recordsMaximum documented water heightDeathsEarliest arrival
Chile135.50 m
Caldera
2200:20 h
Peru12.40 m
Callao
——
United States62.10 m
Hilo, Hawaii, Hi
—12:46 h
USA Territory10.90 m
Pago Pago, American Samoa
——
Japan100.30 m
Ayukawa
—21:50 h
Australia10.20 m
Sydney
——
New Zealand20.18 m
Port Chalmers
——
Canada10.14 m
Tofino (Clayoquot),British Columbia
—15:57 h
Philippines20.10 m
Zamboanga
——
Taiwan30.03 m
Keelung
—25:16 h
Samoa1——14:06 h

Highest documented water heights

15 / 41

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
Caldera · Atacama5.50 m167 kmChile
Chanaral · Atacama5.50 m227 kmChile
Huasco · Atacama5.50 m136 kmChile
Coquimbo · Coquimbo4.60 m234 kmChile
Callao · Callao2.40 m1,952 kmPeru
Hilo, Hawaii, Hi · Hi2.10 m10,583 kmUnited States
Pago Pago, American Samoa · As0.90 m10,299 kmUSA Territory
Ayukawa · Miyagi0.30 m16,918 kmJapan
Hanasaki · Hokkaido0.30 m16,449 kmJapan
Honolulu, Oahu, Hi · Hi0.30 m10,924 kmUnited States
Kushimoto · Wakayama0.30 m17,516 kmJapan
Hososhima · Miyazaki0.20 m17,912 kmJapan
San Diego, Ca · Ca0.20 m8,402 kmUnited States
Sydney0.20 m11,884 kmAustralia
Port Chalmers0.18 m9,787 kmNew Zealand

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.