Earthquake Archive
Pick a month to see daily intensity charts, magnitude-5+ earthquakes, and news collected that month.
Safety Index Trend
Daily average over the last 30 days — bar height and color reflect that day's safety index
Major quakes this month (Int. 5+) · 0
No intensity 5+ earthquakes this month.
News this month · 151
- Yatsushiro City's Tatsumine Small Interior Revealed Ceiling Collapse, Distorted Corridor Damaged by Kumamoto Earthquake
Nov 7 · 47NEWS
- Aeon confirms rule changes after Kumamoto earthquake explosion
Nov 7 · TVer
- Nafco's September interim results, final profit fell 29.6% year-on-year to 500 million yen… Extraordinary loss of 900 million yen due to the Kumamoto earthquake: regional news
Nov 7 · 読売新聞
- Yatsushiro City's Tatsumine Small Interior Revealed Ceiling Collapse, Distorted Corridor Damaged by Kumamoto Earthquake
Nov 7 · 西日本新聞me
- Nippon Paper Abandons Resumption of Paper Production at Yatsushiro Plant
Nov 7 · 西日本新聞me
- Nippon Paper Yatsushiro Factory, Paper and Pulp Discontinued "Really Heavy Decision"... Damaged by the Kumamoto Earthquake "Extremely difficult to undo"
Nov 7 · Yahoo!ニュース
- Nippon Paper Yatsushiro Factory, Paper and Pulp Discontinued "Really Heavy Decision"... Damaged by the Kumamoto Earthquake "Extremely difficult to undo"
Nov 7 · 読売新聞
- "The chimney was a symbol of the city." Nippon Paper Yatsushiro Factory terminated the newspaper and pulp business. The earthquake was badly damaged and the recovery was abandoned. Kumamoto
Nov 6 · Yahoo!ニュース
Earthquake Risk & History by Prefecture
Click a prefecture to see its location, active fault lines, earthquake history, and research reports. Bold = popular travel destinations.
Hokkaido
Tohoku
Kanto
Chubu
Kinki
Chugoku
Kyushu
Okinawa
Major Sea Areas & Offshore Zones
Historical Major Earthquakes
Japan's most consequential modern earthquakes, curated separately from the monthly calendar above.
- Great East Japan Earthquake (M9.0) — Mar 11, 2011Off Miyagi (Sanriku offshore) · M9.0 · Int. 7
Japan's largest recorded earthquake at M9.0. Massive tsunamis over 14 m struck the Miyagi, Iwate, and Fukushima coasts, with isolated run-up exceeding 40 m. Over 22,000 dead or missing. The Fukushima Daiichi nuclear plant suffered hydrogen explosions and core meltdowns. Widespread infrastructure damage across Tohoku and Kanto.
- Recovery time
- 10+ yr
- Peak news count
- 2,100
- Kumamoto Earthquake (M7.3) — Apr 16, 2016Kumamoto, Kumamoto Pref. · M7.3 · Int. 7
A M6.5 foreshock on April 14 (itself Intensity 7) was followed by the M7.3 main shock in the early hours of April 16. Two Seismic Intensity 7 events in a single sequence — a first in JMA history. Major collapse of Kumamoto Castle stone walls; Aso Bridge fell into the gorge.
- Recovery time
- 1+ mo
- Peak news count
- 451
- Hokkaido Eastern Iburi Earthquake (M6.7) — Sep 6, 2018Iburi E, Hokkaido · M6.7 · Int. 7
Struck at 3 AM while most residents were asleep. Japan's first total island-wide blackout: 2.95 million Hokkaido households lost power simultaneously. A massive landslide buried the Oyafuru district of Atsuma Town. New Chitose Airport closed entirely on the day of the quake.
- Recovery time
- 14 days
- Peak news count
- 389
- Fukushima Earthquake (M7.3) — Feb 13, 2021Off Fukushima · M7.3 · Int. 6+
Classified as an aftershock of the 2011 Great East Japan Earthquake. Seismic Intensity 6+ in Fukushima and Miyagi. Struck late at night while people were asleep. Tohoku Shinkansen resumed within 48 hours after inspection.
- Recovery time
- 2 days
- Peak news count
- 278
- Fukushima–Miyagi Earthquake (M7.4) — Mar 16, 2022Off Fukushima / Miyagi · M7.4 · Int. 6+
Struck late at night. Yamabiko 223, a 17-car Tohoku Shinkansen train, derailed between Fukushima and Shiroishizao with 16 cars off the rails. All approximately 100 passengers evacuated safely with no injuries. 2.23 million households lost power.
- Recovery time
- 5 days
- Peak news count
- 312
- Oku-Noto Earthquake (M6.5) — May 5, 2023Noto Peninsula N, Ishikawa · M6.5 · Int. 6+
Struck during the Golden Week holiday. Seismic Intensity 6+ in Suzu and Wajima on the Noto Peninsula. Multiple injuries and building damage. Retrospectively identified as the largest event in the foreshock sequence preceding the 2024 Noto earthquake.
- Recovery time
- 3 days
- Peak news count
- 156
- Noto Peninsula Earthquake (M7.6) — Jan 1, 2024Noto Peninsula, Ishikawa · M7.6 · Int. 7
Struck on New Year's Day afternoon. Seismic Intensity 7 in Shika Town, Ishikawa Prefecture. Major tsunami warning for the entire Noto Peninsula. Simultaneous fires and building collapses in Wajima and Suzu. Road failures left multiple communities briefly isolated.
- Recovery time
- 3+ mo
- Peak news count
- 487