M7.5 Earthquake — Mariana Islands region

A magnitude 7.5 (major) earthquake struck Mariana Islands region on 1940-01-17 01:14 UTC, at a depth of 15 km. See it live on Earth Live's real-time 3D globe.

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Source: USGS event page. The TNT equivalent is computed from the magnitude with the standard Gutenberg–Richter energy relation; all other figures are USGS's own.

This area's earthquake history

In the year before this quake, USGS recorded 0 earthquakes of magnitude 2.5 or more within 300 km.

Strongest recorded within 300 km since 1900:

• M7.7 — Mariana Islands region · 1940-12-28
• M7.6 — 198 km E of Saipan, Northern Mariana Islands · 1990-04-05
• M7.5 — Northern Mariana Islands · 1902-09-22

More recent earthquakes

• M4.7 — 75 km NNE of Yonakuni, Japan
• M4.6 — 21 km S of Luganville, Vanuatu
• M5.0 — 187 km ENE of Saipan, Northern Mariana Islands
• M4.9 — Volcano Islands, Japan region
• M4.8 — 191 km ESE of Sarangani, Philippines
• M5.0 — 71 km E of ‘Ohonua, Tonga
• M4.5 — Kuril Islands
• M5.3 — central Mid-Atlantic Ridge

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