November 21, 1927 Earthquake: Southern, Chile
A magnitude 7.1 earthquake struck Southern, Chile on November 21, 1927 at 23:12:25 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
- November 21, 1927
- Time
- 23:12:25 UTC
- Place
- Southern, Chile
- Magnitude
- 7.1 (Ms)
- Focal depth
- 33 km (21 mi)
- Tsunami
- Yes: the tsunami it caused
- Epicenter
- 44.600° S, 73.000° 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.
November 21, 1927. There are reports about waves along the coast on a 45 km (25 miles) stretch in the region of Puerto Aysen. Gutenberg, Richter (1954) : 21.XI; 23h12m25s; 44 1/2 deg S., 73 deg W.; M=7.1. (reference #415)
November 21, 1927, 23:12:25 UTC, 44.5 S, 73 W, magnitude 7.1 MS. (reference #1206)
Other significant earthquakes nearby
Within 200 km, the deadliest first.
More
Significant earthquakes of 1927The 1900sEvery quake the USGS located in 1927Recent 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 6302.