Significant earthquakes of 1943

September 10, 1943 Earthquake: S, Honshu, Japan

September 10, 1943 · M7.4 · 1,400 deaths · 7,739 houses destroyed

A magnitude 7.4 earthquake struck S, Honshu, Japan on September 10, 1943 at 08:37 UTC, 10 km below the surface. It killed 1,400 people.

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
September 10, 1943
Time
08:37 UTC
Place
S, Honshu, Japan
Magnitude
7.4
Focal depth
10 km (6 mi)
Tsunami
None recorded
Epicenter
35.300° N, 133.900° E
Country
Japan

The toll

Deaths
1,400
Damage
Extreme (about $25 million or more)
Houses destroyed
7,739

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.

1943, Sept 10, 08:37 UTC, 35.3 N, 133.9 E. Destructive. 50% of Tottori buildings were destroyed. 1400 killed and injured. (reference #45)

1943, Sept 10, 08:37 UTC, 35.5 N, 134.2 E, magnitude 7.4, 1005 deaths, extreme damage. (reference #1152)

1943, Sept. 10 35.5 134.2 1190 killed, 7485 houses leveled, 254 burned. (reference #1136)

1943, Sept 15, 35.5 N 134 E, Tottori. Unknown damage. (reference #1068)

Other significant earthquakes nearby

Within 200 km, the deadliest first.

More

Significant earthquakes of 1943The 1900sEvery quake the USGS located in 1943Recent 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 3755.