Strong M6.7 earthquake hits near the east coast of Honshu, Japan
A strong earthquake registered by the USGS as M6.7 hit near the east coast of Honshu, Japan at 11:22 UTC (20:22 LT) on May 15, 2026. The agency is reporting a depth of 44 km (27 miles). EMSC is reporting M6.7 at a depth of 40 km (25 miles).
Epicenter of M6.7 earthquake near east coast of Honshu, Japan on May 15, 2026. Credit: TW/SAM, Google
The epicenter was located 49 km (31 miles) ESE of Ōfunato (population 35 452), 52 km (32 miles) SE of Kamaishi (population 43 107), 59 km (37 miles) SSE of Ōtsuchi (population 11 572), 67 km (42 miles) SSE of Yamada (population 15 195), and 129 km (80 miles) SE of Morioka (population 290 700), Iwate, Japan.
1 000 people are estimated to have felt strong shaking, 849 000 moderate, 5 750 000 light and 364 000 weak.
According to the Pacific Tsunami Warning Center (PTWC), there is no tsunami threat from this event.
The USGS issued a Green alert for shaking-related fatalities and economic losses. There is a low likelihood of casualties and damage.
Overall, the population in this region resides in structures that are resistant to earthquake shaking, though vulnerable structures exist. The predominant vulnerable building types are heavy wood frame and reinforced/confined masonry construction.
Recent earthquakes in this area have caused secondary hazards such as landslides and fires that might have contributed to losses.

Estimated population exposure to earthquake shaking


Selected cities exposed

Regional seismicity

References:
1 M6.7 earthquake near east coast of Honshu, Japan – USGS – May 15, 2026
2 M6.7 earthquake near east coast of Honshu, Japan – EMSC – May 15, 2026
3 M6.7 earthquake near east coast of Honshu, Japan – PTWC – May 15, 2026
Teo Blašković founded The Watchers in 2011 and edited it until 2026, covering seismic and volcanic activity, extreme weather, space weather and near-Earth objects. Articles on this page are his archive.
Published in the last 24 hours
- In September 1859, a solar storm lit up the night sky so brightly that gold miners in the Rocky Mountains woke up after midnight and started cooking breakfast, convinced the aurora glowing over their camp was the sunrise Epicenter
- A patch of warm Pacific water that could become the strongest El Niño in more than 70 years sits thousands of miles from any American town, yet it is already the main reason NOAA expects a wetter winter across the South and a milder one across the North
- A 19-year-old Nebraska teacher reportedly tied her pupils together with twine and led them to safety through a blizzard in January 1888 Epicenter
- NASA built the Opportunity rover to last 90 days on Mars, and Martian winds helped keep it alive for nearly 15 years by blowing dust off its solar panels, until a planet-wide dust storm in 2018 blocked sunlight and silenced the rover Epicenter

