Which prefecture has the highest Seismic intensity 4+ observations (last 5 years) in Japan?

As of 2026, Iwate has the highest Seismic intensity 4+ observations (last 5 years) at 3times among all 47 prefectures.

Which prefecture has the lowest Seismic intensity 4+ observations (last 5 years)?

Fukuoka has the lowest Seismic intensity 4+ observations (last 5 years) at 0times (2026).

What is the national average of Seismic intensity 4+ observations (last 5 years)?

The simple average across all 47 prefectures is 0times (2026), based on JMA — Seismic Intensity Database + Nippon Pulse earthquake observation archive.

Climate · National ranking

Seismic intensity 4+ observations (last 5 years)

Name: Seismic intensity 4+ observations (last 5 years) national ranking 2026
Creator: Nippon Pulse
License: https://www.nippon-pulse.com/terms
Keywords: Seismic intensity 4+ observations (last 5 years),47 prefectures,ranking,Climate,JMA — Seismic Intensity Database + Nippon Pulse earthquake observation archive

2026Unit: timeslower is better

Cumulative earthquakes recording seismic intensity 4+ over the last 5 years (a composite metric that includes observation-network density).

Source: JMA — Seismic Intensity Database + Nippon Pulse earthquake observation archive

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In 2026, Iwate recorded the highest Seismic intensity 4+ observations (last 5 years) (3times) and Fukuoka the lowest (0times) among Japan's 47 prefectures. The simple 47-prefecture average is 0times. Source: JMA — Seismic Intensity Database + Nippon Pulse earthquake observation archive.

47IwateTohoku3times
44HokkaidoHokkaido2times
44AomoriTohoku2times
44MiyagiTohoku2times
37AkitaTohoku1times
37YamagataTohoku1times
37FukushimaTohoku1times
37WakayamaKinki1times
37KagoshimaKyushu1times
37NaraKinki1times
37MieKinki1times
1IbarakiKanto0times
1GunmaKanto0times
1SaitamaKanto0times
1ChibaKanto0times
1TokyoKanto0times
1NiigataChubu0times
1ToyamaChubu0times
1IshikawaChubu0times
1FukuiChubu0times
1NaganoChubu0times
1GifuChubu0times
1ShizuokaChubu0times
1AichiChubu0times
1ShigaKinki0times
1KyotoKinki0times
1OsakaKinki0times
1HyogoKinki0times
1TottoriChugoku0times
1ShimaneChugoku0times
1OkayamaChugoku0times
1HiroshimaChugoku0times
1TokushimaShikoku0times
1KagawaShikoku0times
1EhimeShikoku0times
1KochiShikoku0times
1SagaKyushu0times
1NagasakiKyushu0times
1KumamotoKyushu0times
1OitaKyushu0times
1OkinawaOkinawa0times
1TochigiKanto0times
1YamanashiChubu0times
1KanagawaKanto0times
1YamaguchiChugoku0times
1MiyazakiKyushu0times
1FukuokaKyushu0times

FAQ — Seismic intensity 4+ observations (last 5 years)

Which prefecture has the highest Seismic intensity 4+ observations (last 5 years) in Japan?: As of 2026, Iwate has the highest Seismic intensity 4+ observations (last 5 years) at 3times among all 47 prefectures.
Which prefecture has the lowest Seismic intensity 4+ observations (last 5 years)?: Fukuoka has the lowest Seismic intensity 4+ observations (last 5 years) at 0times (2026).
What is the national average of Seismic intensity 4+ observations (last 5 years)?: The simple average across all 47 prefectures is 0times (2026), based on JMA — Seismic Intensity Database + Nippon Pulse earthquake observation archive.

▲ The top 5 prefectures are tinted sky, ▼ the bottom 5 amber — just enough colour to follow the two ends of the “desirable direction.”

To see the same metric on the map, pick it from the map on the home page.

FAQ — Seismic intensity 4+ observations (last 5 years)

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