August 7, 1993 Earthquake: Japan

Date

August 7, 1993

Time

19:42:41 UTC

Place

Japan

Magnitude

6.3 (Mw)

Focal depth

13 km (8 mi)

Tsunami

Yes: the tsunami it caused

Epicenter

41.985° N, 139.839° E

Country

Japan

The record gives no deaths, injuries or damage for this earthquake.

• October 31, 1341, Jusanko, JapanM7 · 2,600 deaths · 113 km
• March 8, 1766, Hirosaki, JapanM6.9 · 1,700 deaths · 8,200 houses destroyed · 140 km
• July 31, 1640, Uchiura Bay, JapanM6.5 · 700 deaths · 20 houses destroyed · 70 km
• July 12, 1993, Southeast, South Korea, Hokkaido, Russia, JapanM7.7 · 231 deaths · $1.2 billion · 2,374 houses destroyed · 110 km
• May 26, 1983, Akita, Honshu, JapanM7.7 · 104 deaths · $800 million · 180 km
• May 27, 1704, N of Nosiro, Japan58 deaths · 1,314 houses destroyed · 113 km
• September 5, 2018, Hokkaido, JapanM6.6 · 44 deaths · $2 billion · 189 km
• February 8, 1793, Aomori, JapanM6.9 · 12 deaths · 164 houses destroyed · 127 km
• June 21, 1983, N. Honshu Island, JapanM6.9 · 94 km
• June 13, 1792, W. Hokkaido Island, JapanM6.9 · Deaths: some · 180 km
• May 7, 1964, NW. Honshu Island, JapanM6.6 · 190 km
• December 11, 1964, NW. Honshu Island, Japan193 km
• February 9, 1834, W. Hokkaido Island, JapanM6.4 · 73 houses destroyed · 194 km

Significant earthquakes of 1993The 1900sEvery quake the USGS located in 1993Recent earthquakes near hereThis day in weather history

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 6486.