World Map › Major Earthquakes Since 1900 › 1978
Historic Earthquake
1978 Miyagi Earthquake
12 June 1978 · Sanriku · Japan
On 12 June 1978 at 08:14 UTC, a magnitude 7.7 earthquake struck Japan (Sanriku), at a depth of 44 km. It occurred on the Okhotsk Plate, 170 km from its boundary with the Pacific Plate (subduction zone). It killed at least 28 people and injured 10,000.
- Date
- 12 June 1978
- Time
- 08:14 UTC
- Magnitude
- 7.7
- Depth
- 44 km
- Maximum Intensity
- VIII (Mercalli)
- Deaths
- 28
- Injuries
- 10,000
- Estimated Damage
- 865 million US dollars
- Tsunami
- See the tsunami (0.6 m wave)
- Plate
- Okhotsk Plate
- Country
- Japan
- Nearest Volcano
- Naruko (128 km)
Nearby Major Earthquakes
Other major earthquakes recorded within 300 km.
- 20112011 Tōhoku Earthquake and Tsunami · M 9.118,423 deaths
- 20112011 Northern Nagano Earthquake · M 7.9
- 19941994 Offshore Sanriku Earthquake · M 7.83 deaths
- 19331933 Sanriku Earthquake · M 8.43,022 deaths
- 1931Near E Coast of Honshu · M 7.7
- 1915Near E Coast of Honshu · M 7.8
- 19011901 Aomori-ken Toho-oki Earthquake · M 8.218 deaths
- 19011901 Aomori-ken Toho-oki Earthquake · M 7.9
Sources: NOAA National Centers for Environmental Information, Global Significant Earthquake Database (doi:10.7289/V5TD9V7K) · Wikidata · Bird (2003), PB2002 · Natural Earth