Sanae TakaichiJapan Meteorological AgencyKeisei LineKyodo NewsJR EastTobu RailwayFire and Disaster Management Agency

5.9-magnitude earthquake rattles Tokyo and eastern Japan, disrupting trains; no tsunami warning issued

A 5.9-magnitude earthquake struck eastern Japan early Sunday, centered in Ibaraki Prefecture, shaking Tokyo and surrounding areas. The quake disrupted train services, caused minor injuries to at least 37 people, and prompted warnings from the Japan Meteorological Agency, but no tsunami warning was issued.

China Daily Global Edition China Daily Global Edition+1 source23 August 2026 · 05:34 UTC
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A 5.9-magnitude earthquake struck eastern Japan early Sunday, with its epicenter in southern Ibaraki Prefecture at a depth of 68km. The quake registered lower 5 on Japan's seismic intensity scale in parts of Ibaraki and central Tokyo, causing significant disruption.13

The earthquake was felt across a broad area, prompting delays in train services operated by JR East and other companies. Some express services remained halted, while the Keisei Line connecting Ueno in Tokyo to Narita airport resumed normal operations after 9:40 am.2

In total, at least 37 people suffered minor injuries, including a young man and a woman in her 70s in Saitama, and three individuals in Kawasaki. The Fire and Disaster Management Agency confirmed these injuries, highlighting the quake's impact on local communities.56

In Tokyo's Koto ward, a water main ruptured, raising concerns about potential damage linked to the earthquake. However, operators of nuclear facilities in the region, including the Tokai No. 2 plant and the Fukushima Daiichi plant, reported no abnormalities.7

Prime Minister Sanae Takaichi has instructed officials to assess the damage and provide timely updates to the public. The Japan Meteorological Agency has warned that further earthquakes reaching an intensity of lower 5 could occur over the next week, urging caution during the next two to three days.8

Key Insight
“At least 37 people suffered minor injuries, including a young man and a woman in her 70s in Saitama, according to the Fire and Disaster Management Agency. The Japan Meteorological Agency warned of possible lower 5 quakes over the next week, urging caution for the next two to three days.”
Several hurt as moderate earthquake shakes Tokyo region
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Several hurt as moderate earthquake shakes Tokyo region
CuriousCats studied:
1
China Daily Global EditionChina Daily Global Edition
“An earthquake with a preliminary magnitude of 5.9 struck eastern Japan early Sunday, with its epicenter in southern Ibaraki Prefecture, according to the Japan Meteorological Agency.”
China Daily Global Edition →
2
The Straits TimesThe Straits Times
“TOKYO - An earthquake with a preliminary magnitude of 5.9 struck eastern Japan early on Aug 23, with a strong jolt felt in the capital Tokyo, but it posed no threat of tsunami, the weather agency said.”
The Straits Times →
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