October 3, 1983 Earthquake: Miyakejima, Oshima, Japan

Date

October 3, 1983

Time

13:33:35 UTC

Place

Miyakejima, Oshima, Japan

Magnitude

6 (Ms)

Focal depth

12 km (7 mi)

Intensity

8 on the Modified Mercalli scale

Tsunami

None recorded

Volcano

The eruption it came with

Epicenter

33.941° N, 139.513° E

Country

Japan

Damage

Moderate (about $1 to $5 million)

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.

• September 1, 1923, Tokyo, Yokohama, JapanM7.9 · 105,385 deaths · $600 million · 695,000 houses destroyed · 129 km
• May 27, 1293, Kamakura, JapanM7.1 · 23,024 deaths · 140 km
• November 11, 1855, Tokyo, JapanM7 · 6,757 deaths · 50,000 houses destroyed · 192 km
• December 30, 1703, Off SW Boso Peninsula, JapanM8.2 · 5,233 deaths · 20,162 houses destroyed · 126 km
• September 20, 1498, Enshunada Sea, JapanM8.3 · 5,000 deaths · 1,000 houses destroyed · 130 km
• October 28, 1707, Enshunada, JapanM8.4 · 2,000 deaths · 10,000 houses destroyed · 159 km
• February 3, 1605, Enshunada, JapanM7.9 · 1,001 deaths · 80 houses destroyed · 106 km
• December 23, 1854, Enshunada Sea, JapanM8.3 · 1,000 deaths · 8,900 houses destroyed · 149 km
• December 17, 1096, Enshunada, JapanM8.4 · 400 deaths · 186 km
• November 25, 1930, Idu, Honshu, JapanM7.1 · 259 deaths · 8,099 houses destroyed · 127 km
• September 12, 1495, Kamakura, JapanM7.1 · 200 deaths · 129 km
• July 29, 1649, Tokyo, Japan200 deaths · 179 km
• March 1, 1633, Odawara, JapanM7.1 · 150 deaths · 143 km
• March 11, 1853, Odawara, Japan79 deaths · 173 km
• May 8, 1974, Nakagi, JapanM6.5 · 27 deaths · 134 houses destroyed · 97 km

Significant earthquakes of 1983The 1900sEvery quake the USGS located in 1983Recent 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 4990.