Significant earthquakes of 1520

April 4, 1520 Earthquake: Kii, Kumananonada, Japan

April 4, 1520 · M7

A magnitude 7 earthquake struck Kii, Kumananonada, Japan on April 4, 1520. 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
April 4, 1520
Place
Kii, Kumananonada, Japan
Magnitude
7 (Ms)
Epicenter
33.600° N, 136.300° E
Country
Japan

The toll

Damage
Limited (under about $1 million) with its tsunami and other effects
Houses destroyed
Some (about 51 to 100) with its tsunami and other effects

Where the literature gives no number, NCEI records a description on a scale of 1 to 4, printed here in its words. Damage is in millions of US dollars of the year of the event, not adjusted for inflation.

What the record says

NCEI’s account, from the sources it cites.

There was an earthquake on the eastern shore of the Kii Peninsula (at Kumano-Nada). A tsunami was observed on the coast of the southern part of the Kii Peninsula. Several homes were washed away. (reference #414)

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1520The 1500sRecent 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 5951.