December 9, 1926 Earthquake: Vallenar, Chile
A magnitude 6 earthquake struck Vallenar, Chile on December 9, 1926 at 22:38:48 UTC, 33 km below the surface. It caused a tsunami.
Map
Where it struck, with the other significant earthquakes within 200 km. Circles are sized and colored by magnitude; select one for its page.
The earthquake
- Date
- December 9, 1926
- Time
- 22:38:48 UTC
- Place
- Vallenar, Chile
- Magnitude
- 6 (Ms)
- Focal depth
- 33 km (21 mi)
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 28.000° S, 71.000° W
- Country
- Chile
The toll
The record gives no deaths, injuries or damage for this earthquake.
What the record says
NCEI’s account, from the sources it cites.
December 9, 1926, 17:58 [local time]. There was a rather strong earthquake in the central regions of Chile. There were very strong tremors at Vallenar; the populace was frightened. There was a strong earthquake at Copiapo; the populace was frightened; 6 degrees. It was felt from Taltal to Ovalle. At Huasco, Portrerillos, Caldera, there was a strong earthquake; at Carrizal Bajo and the valley of the Huasco River, 5 degrees. There were mild tremors at La Serena, Coquimbo, the valley of the Copiapo River and Chanaral. There was a mild earthquake at Taltal and Ovalle. Recurrent shocks were noticed. The sea became agitated at Huasco, Caldera and Chanaral. [The earthquake was registered by the station at Santiago. According to a bulletin, the parameters of the earthquake could be estimated as follows: 22h42m; 28 deg S. +1 1/2 deg, 71 deg W. +1 deg; M=6 +1. (reference #415)
December 9, 1926, 22:38:48 UTC, 29.5 S, 71 W. (reference #1206)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
- November 11, 1922, Atacama, Chile
- October 5, 1859, Chile
- October 4, 1983, Copoapo-Chanaral, Northern, Chile
- August 2, 1946, Northern, Chile
- December 7, 1903, Vallenar, Freirina, Chile
- December 29, 1930, Northern, Chile
- April 25, 1833, Chile
- April 18, 2002, Copiapo, Taltal, Chile
- May 20, 1918, Northern, Chile
- November 15, 1967, Northern, Chile
- April 3, 1819, Copiapo, Chile
- April 4, 1819, Copiapo, Chile
- March 30, 1796, Copiapo, Vallenar, Huasco, Coquimbo, Chile
- August 24, 1798, Copiapo, Chile
- March 13, 1846, Coiapo, Chile
More
Significant earthquakes of 1926The 1900sEvery quake the USGS located in 1926Recent earthquakes near hereThis day in weather history
Sources
Significant earthquakes from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI earthquake 6318.