Japan – Iwate Prefecture

This page summarizes earthquakes in Iwate Prefecture (Japan). The most recently recorded event was a magnitude M3.5 earthquake near Miyako on 2026-08-13 02:29:30 UTC. All event lists and map markers are limited to the last 30 days.

Earthquakes (last 30 days)

Max magnitude (last 30 days)

M3.7

Avg magnitude (last 30 days)

M3.47

Avg depth (last 30 days)

49 km

Seismic activity in 2026

In 2026, Iwate Prefecture recorded 14 earthquakes within Japan. The average magnitude was M4.19. The strongest event reached M6.4.

Located on the Okhotsk Plate.

Map (last 30 days)

< 2 2–4 4–5 ≥ 5

Earthquakes in Iwate Prefecture (last 30 days)

M3.5

Miyako

2026-08-13 · 02:29 UTC · 50 km

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M3.4

Miyako

2026-08-08 · 02:07 UTC · 50 km

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M3.7

Hirono

2026-08-07 · 21:29 UTC · 50 km

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M3.6

Ofunato

2026-08-06 · 04:18 UTC · 50 km

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M3.1

Kamaishi

2026-08-01 · 23:17 UTC · 50 km

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