Written by on . Last updated June 17th, 2026.

A strong M6.7 earthquake struck in the North Pacific Ocean 44 kilometer from Ōfunato, Japan in the evening of Friday May 15th, 2026. Mag 6.5+ earthquakes at shallow depth under sea have the potential to cause tsunami's.

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Earthquake Summary

This earthquake hit under water in the North Pacific Ocean, 39 kilometers (24 mi) off the coast of Japan, 44 kilometer south-east of Ōfunato in Iwate. The center of this earthquake had a quite shallow depth of 42 km. Shallow earthquakes usually have a larger impact than earthquakes deep in the earth.

Date and Time: May 15, 2026 20:22 (Tokyo Time)
- May 15, 2026 11:22 Universal Time.
Location: 44 km SE of Ōfunato, Iwate, Japan.
Coordinates 38°54'34"N 142°10'57"E.
Map: Map of area around epicenter.
Map of area around epicenter. Click to open in Google Maps.
Magnitude: MAG 6.7
Detected by 47 stations. Maximum Error Range ±0.047 .
Depth: 42 km (26 mi)
A quite shallow depth.
Max. Intensity:
VI
Strong

On the Modified Mercalli Scale.
Tsunami Risk: Potential Tsunami Risk
Mag 6.5+ earthquakes at shallow depth under sea have the potential to cause tsunami's.
Always stay cautious - More info here.

Potential Tsunami Risk

DISCLAIMER: We strongly suggest to closely monitor advice from local authorities with regards to tsunami risks. Our analysis is based on automatically collected data from external sources, and these might contain mistakes. In addition, earthquakes can cause landslides that may lead to a tsunami, or be a followed by another, potentially stonger, earthquake.

There is a potential tsunami risk in the aftermath of this earthquake, immediately evacuate to higher grounds away from coastal areas and monitor advice from local authorities. This earthquake checks all the likely tsunami risk factors: under sea, at a magnitude of MAG-6.5+ and at a shallow depth.

Tsunami Risk Factors

Factor Under Sea? MAG-6.5 or stronger? Shallow depth?
Explanation Almost all tsunami's are caused by earthquakes with their epicenter under sea or very near the sea. However stay cautious in coastal areas as earthquakes on land may cause landslides into sea, potentially still causing a local tsunami. Under MAG 6.5: Very unlikely to cause a tsunami.
MAG 6.5 to 7.5: Destructive tsunami's do occur, but are uncommon. Likely to observe small sea level changes.
MAG 7.6+: Earthquakes with these magnitudes might produce destructive tsunami's.
Most destructive tsunami's are caused by shallow earthquakes with a depth between 0 and 100km under the surface of the earth. Deeper tsunami's are unlikely to displace to ocean floor.
This Earthquake This earthquake appears to have struck under the sea. This earthquake had a magnitude of 6.7. Earthquakes of this strength could trigger a tsunami. This earthquake occurred at a depth of of 42 km (26 mi). Earthquakes this shallow could trigger a tsunami.

Minimal impact predicted

The US Geographic Survey (USGS) describes the impact of this earthquake as follows:

Power outages caused disruptions on the Tohoku Shinkansen.

Based on scientific estimates by the USGS, the risk of high fatalities for this earthquake is classified at level GREEN (low). They expect an 90% likelyhood of between 0 and 1 fatalities.

The USGS classifies the economic impact of this earthquake at level GREEN (low). They expect an 90% likelyhood of between 0 and 1 million US Dollars in economic damage and impact.

Roughly 7 million people exposed to shaking

The USGS has published a report estimating the number of people exposed to this earthquake. Acoording to their analysis, roughly 7 million have been exposed to shaking at an MMI level of II or higher.

The highest earthquake impact level for this earthquake is VI, which corresponds with strong shaking and probably light damage. Roughly 4,050 people are expected to be exposed to this level. Intensity level IV was experienced by the majority of people (around 6 million). In their region, light shaking and likely no damage can be expected. All exposure to shaking was within the borders of Japan .

People MMI Level Shaking Damage
0
I
Not noticable None
0
II
Very weak None
357,200
III
Weak Probably none
5,961,000
IV
Light Likely none
714,500
V
Moderate Very light
4,050
VI
Strong Light
0
VII
Very Strong Moderate
0
VIII
Severe Moderate to heavy
0
IX
Violent Heavy
0
X
Extreme Very heavy

Nearby towns and cities

This earthquake may have been felt in Japan . The closest significant population center near the earthquake is Ōfunato in Iwate, Japan. Ōfunato is located 44 kilometer (27 mi) south-east of the epicenter. Ōfunato experienced an earthquake intensity (MMI Scale) of roughly VI. That level implies strong shaking and probably light damage.

Major cities near this earthquake: Tokyo is located 420 km to the southwest (intensity unknown, possibly low). Yokohama is located 447 km to the southwest (intensity unknown, possibly low). Sendai is located 135 km to the southwest and experienced an intensity of IV (light shaking, likely no damage).

An overview of nearby towns and cities is available in the overview below. If places don't have intensity data available, it likely means the experienced impact in those places was fairly small.

Overview of nearby places

Distance Place Intensity (MMI)
44 km (27 mi)
NW from epicenter
Ōfunato

Iwate, Japan.
VI
Strong
49 km (30 mi)
NW from epicenter
Kamaishi

Iwate, Japan.
V
Moderate
65 km (40 mi)
N from epicenter
Yamada

Iwate, Japan.
V
Moderate
72 km (45 mi)
NW from epicenter
Tōno

Iwate, Japan.
V
Moderate
85 km (53 mi)
N from epicenter
Miyako

Iwate, Japan.
IV
Light
91 km (57 mi)
W from epicenter
Ichinoseki

Iwate, Japan.
IV
Light
94 km (58 mi)
SW from epicenter
Ishinomaki

Miyagi, Japan.
IV
Light
94 km (58 mi)
W from epicenter
Mizusawa

Iwate, Japan.
V
Moderate
98 km (61 mi)
W from epicenter
Kanegasaki

Iwate, Japan.
V
Moderate
100 km (62 mi)
SW from epicenter
Wakuya

Miyagi, Japan.
IV
Light
100 km (62 mi)
SW from epicenter
Yamoto

Miyagi, Japan.
V
Moderate
101 km (63 mi)
NW from epicenter
Kitakami

Iwate, Japan.
IV
Light
106 km (66 mi)
NW from epicenter
Hanamaki

Iwate, Japan.
IV
Light
106 km (66 mi)
SW from epicenter
Kogota

Miyagi, Japan.
IV
Light
113 km (70 mi)
W from epicenter
Furukawa

Miyagi, Japan.
V
Moderate
114 km (71 mi)
SW from epicenter
Matsushima

Miyagi, Japan.
IV
Light
120 km (75 mi)
SW from epicenter
Shiogama

Miyagi, Japan.
IV
Light
123 km (76 mi)
SW from epicenter
Rifu

Miyagi, Japan.
IV
Light
125 km (78 mi)
NW from epicenter
Morioka

Iwate, Japan.
IV
Light
126 km (78 mi)
SW from epicenter
Tomiya

Miyagi, Japan.
IV
Light
135 km (84 mi)
SW from epicenter
Sendai

Miyagi, Japan.
IV
Light
146 km (91 mi)
SW from epicenter
Iwanuma

Miyagi, Japan.
IV
Light
148 km (92 mi)
W from epicenter
Yuzawa

Akita, Japan.
IV
Light
148 km (92 mi)
W from epicenter
Yokote

Akita, Japan.
IV
Light
151 km (94 mi)
SW from epicenter
Watari

Miyagi, Japan.
IV
Light
158 km (98 mi)
W from epicenter
Ōmagari

Akita, Japan.
IV
Light
158 km (98 mi)
SW from epicenter
Ōkawara

Miyagi, Japan.
IV
Light
161 km (100 mi)
SW from epicenter
Kakuda

Miyagi, Japan.
IV
Light
163 km (101 mi)
W from epicenter
Higashine

Yamagata, Japan.
IV
Light
164 km (102 mi)
W from epicenter
Shinjō

Yamagata, Japan.
IV
Light
169 km (105 mi)
SW from epicenter
Shiroishi

Miyagi, Japan.
IV
Light
169 km (105 mi)
W from epicenter
Tendō

Yamagata, Japan.
IV
Light
175 km (109 mi)
SW from epicenter
Yamagata

Yamagata, Japan.
IV
Light
176 km (109 mi)
W from epicenter
Sagae

Yamagata, Japan.
IV
Light
185 km (115 mi)
NW from epicenter
Hanawa

Akita, Japan.
IV
Light
186 km (116 mi)
N from epicenter
Hachinohe

Aomori, Japan.
IV
Light
186 km (116 mi)
SW from epicenter
Kaminoyama

Yamagata, Japan.
IV
Light
198 km (123 mi)
SW from epicenter
Fukushima

Fukushima, Japan.
IV
Light
199 km (124 mi)
NW from epicenter
Akita

Akita, Japan.
IV
Light
201 km (125 mi)
W from epicenter
Sakata

Yamagata, Japan.
206 km (128 mi)
W from epicenter
Tsuruoka

Yamagata, Japan.
212 km (132 mi)
SW from epicenter
Yonezawa

Yamagata, Japan.
IV
Light
230 km (143 mi)
SW from epicenter
Kōriyama

Fukushima, Japan.
IV
Light
236 km (147 mi)
SW from epicenter
Iwaki

Fukushima, Japan.
238 km (148 mi)
NW from epicenter
Hirosaki

Aomori, Japan.
IV
Light
245 km (152 mi)
NW from epicenter
Aomori

Aomori, Japan.
290 km (180 mi)
SW from epicenter
Hitachi

Ibaraki, Japan.
299 km (186 mi)
SW from epicenter
Niigata

Niigata, Japan.
330 km (205 mi)
SW from epicenter
Utsunomiya

Tochigi, Japan.
390 km (242 mi)
SW from epicenter
Maebashi

Gunma, Japan.
401 km (249 mi)
SW from epicenter
Saitama

Saitama, Japan.
411 km (255 mi)
SW from epicenter
Chiba

Chiba, Japan.
420 km (261 mi)
SW from epicenter
Tokyo

Tokyo, Japan.
432 km (268 mi)
SW from epicenter
Nagano

Nagano, Japan.
435 km (270 mi)
SW from epicenter
Kawasaki

Kanagawa, Japan.
468 km (291 mi)
N from epicenter
Sapporo

Hokkaido, Japan.
481 km (299 mi)
SW from epicenter
Uozu

Toyama, Japan.
482 km (300 mi)
SW from epicenter
Kōfu

Yamanashi, Japan.
492 km (306 mi)
SW from epicenter
Gotenba

Shizuoka, Japan.
498 km (309 mi)
W from epicenter
Anamizu

Ishikawa, Japan.
Cities and Towns around the epicenter of this earthquake.

Earthquake Intensity Map

The graph below overlays a map of the region around the epicenter with earthquake intensity data provided by the US Geographic Survey. The highest intensity level detected for this earthquake is VI.

I Not felt
II Weak
III Weak
IV Light
V Moderate
VI Strong
VII Very Strong
VIII Severe
IX Violent
X Extreme
Earthquake Intensity Map based on Shakemap Data provided by USGS.

Shaking reported by 93 people

People that feel an earthquake may report their experience to the US Geographic Survey. Currently, 93 people have reported shaking in 40 places, all within Japan.We keep updating this article as more ground reports become available. You may report that you felt this earthquake here.

Places with most reports:

  • Sendai, Miyagi, Japan: 22 people.
  • Tokyo, Tokio, Japan: 20 people.
  • Yokohama, Kanagawa, Japan: 4 people.
  • Urayasu, Chiba, Japan: 4 people.
  • Kawasaki, Kanagawa, Japan: 3 people.
  • Morioka, Iwate, Japan: 3 people.
  • Kesennuma, Miyagi, Japan: 2 people.
  • Yamato, Kanagawa, Japan: 2 people.
  • Shizuoka, Shizuoka, Japan: 2 people.
  • Iwate, Iwate, Japan: 1 person.

2 Aftershocks detected

After this earthquake struck, 2 smaller aftershocks occurred. Just 2 days after this main shock, an earthquake measuring MAG-4.4 was detected 25 km (16 mi) south-east of this earthquake.

In the days before this main shock, 2 smaller foreshocks were detected. Roughly 2 days before this earthquake, a foreshock measuring MAG-3.8 was detected nearby this earthquake.

Overview of foreshocks and aftershocks

Classification Magnitude When Where
Foreshock M 3.5 3 days earlier
May 13, 2026 03:03 (Tokyo Time)
16 km (10 mi)
W from Main Shock.
Foreshock M 3.8 2 days earlier
May 14, 2026 03:02 (Tokyo Time)
62 km (38 mi)
SW from Main Shock.
Main Shock
This Earthquake
M 6.7 May 15, 2026 20:22
(Tokyo Time)
-
Aftershock M 4.4 2 days later
May 17, 2026 11:42 (Tokyo Time)
25 km (16 mi)
SE from Main Shock.
Aftershock M 4.3 2 days later
May 17, 2026 18:01 (Tokyo Time)
24 km (15 mi)
NE from Main Shock.
Detected MAG2.5+ earthquakes within within 100km (62 mi), that occurred in the three days before and after the main shock.

More earthquakes coming?

Aftershocks are usually at least 1 order of magnitude less strong than main shocks. The more time passes, the smaller the chance and likely strength of any potential aftershocks.

The chance that a significant earthquake like this one is followed by an even larger earthquake is not so large. On average, scientists estimate a 94% chance that a major earthquake will not be followed by an even larger one. It is still adviced to be aware of this risk

Read: How to Stay Safe during an Earthquake (cdc.gov).

Earthquakes like this are common in the region

Earthquakes of this strength occur quite regularly in the region. This is the strongest earthquake to hit since April 20th, 2026, when a 7.4 magnitude earthquake hit 139 km (87 mi) further north-east. An even stronger magnitude 7.6 earthquake struck on December 8th, 2025.

In total, 8 earthquakes with a magnitude of 6.7 or higher have been registered within 300km (186 mi) of this epicenter in the past 10 years. This comes down to an average of once every year.

Sources

Last updated 17/06/26 01:58 (). This article is automatically generated based on available data. We keep checking multiple sources for additional information. This article gets updated as new details on this earthquake become available.

  1. US Geographic Society (USGS): Earthquake us6000sxwq
  2. European-Mediterranean Seismological Centre (EMSC): Earthquake 20260515_0000144
  3. Geonames.org: World Cities Database
  4. Google Maps: Static API
  5. Earthquakelist.org: Historic Earthquakes Database

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