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M6.6 Depth: 77.7 km

M6.6 Earthquake near Near east coast of eastern Honshu, Japan [Sea: Japan]

UTC time: 2026-05-15 11:22:06 UTC Local time: —

About this earthquake

On May 15, 2026 at 11:22 UTC, a magnitude M6.6 earthquake occurred near Near east coast of eastern Honshu, Japan [Sea: Japan]. At around 78 km, the focal depth places this among intermediate-depth events. Events of this size are considered strong and can be dangerous in inhabited regions.

The data is provided by INGV and cross-checked across seismological networks.

Details

Magnitude
M6.6
Depth
77.7 km
UTC time
2026-05-15 11:22:06 UTC
Local time
—
Country
—
Source
ingv
Coordinates
38.68240, 142.02600
Temperature
11.2°C

Map

Depth profile

Depth profile Depth: 77.7 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 77.7 km
Intermediate
77.7 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Kesennuma45.9 kmNW61'147
Ishinomaki69.7 kmSW140'151
Sendai111.0 kmSW1'096'704

GeoNames · CC BY 4.0

Volcanoes nearby

  • Kurikomayama
    Distance: 112 km ·Stratovolcano ·Elevation: 1'627 m ·Last eruption: 1950 ·Japan
  • Naruko
    Distance: 112 km ·Caldera ·Elevation: 470 m ·Last eruption: 837 ·Japan
  • Zaozan [Zaosan]
    Distance: 151 km ·Complex ·Elevation: 1'841 m ·Last eruption: 1940 ·Japan
  • Iwatesan
    Distance: 157 km ·Complex ·Elevation: 2'038 m ·Last eruption: 1919 ·Japan
  • Akita-Komagatake
    Distance: 160 km ·Stratovolcano(es) ·Elevation: 1'637 m ·Last eruption: 1971 ·Japan
  • Hijiori
    Distance: 162 km ·Caldera ·Elevation: 552 m ·Japan

Subsequent earthquakes nearby

Events recorded after this earthquake within 250 km. They are not automatically classified as aftershocks.

First 6 hours0
First 24 hours0
First 72 hours5
Strongest subsequent eventM5.0
M5.02026-05-17 00:07:24 UTC168.1 kmOff East Coast of Honshu, Japan M4.72026-05-17 00:07:28 UTC162.9 km M4.22026-05-17 02:42:15 UTC41.5 kmda chuan du shi M3.72026-05-17 09:02:30 UTC48.8 km M4.02026-05-18 06:19:30 UTC94.6 km M4.82026-05-18 17:04:28 UTC170.7 kmOff East Coast of Honshu, Japan M4.82026-05-18 17:04:29 UTC175.1 kmOff east coast of Honshu M3.22026-05-18 20:14:30 UTC221.1 kmshi chuan ting M3.82026-05-20 06:12:30 UTC115.4 km M3.92026-05-21 04:20:30 UTC24.3 kmda chuan du shi M4.62026-05-22 16:53:58 UTC181.2 km M3.92026-05-24 08:07:30 UTC57.1 km

Historical context nearby

Comparison with recorded earthquakes before this event within 250 km.

Magnitude rank#13
Earlier events M≥4592
Earlier events M≥5268
Compared since2025-01-05

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M7.52026-04-20 07:52:59 UTC144.4 kmOff east coast of Honshu, Japan [Sea: Japan] M7.42026-04-20 07:53:00 UTC166.3 km###.# km ( ###.# mi) NW (az= 308.7) from Wendover, UT M7.42026-04-20 07:52:59 UTC157.3 kmOff East Coast of Honshu, Japan M7.42026-04-20 07:52:58 UTC170.0 km M7.42026-04-20 07:52:56 UTC169.9 km115 km ENE of Miyako, Japan

Stats (last 24h)

Global (24h)
655
Country (24h)
—
—
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