Significant earthquakes of 1926

December 9, 1926 Earthquake: Vallenar, Chile

December 9, 1926 · M6

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)
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.

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.