M7.7 Earthquake — 90 km NE of Tobelo, Indonesia

A magnitude 7.7 (major) earthquake struck 90 km NE of Tobelo, Indonesia on 1966-09-08 21:15 UTC, at a depth of 115 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 6 earthquakes of magnitude 2.5 or more within 300 km.

Strongest recorded within 300 km since 1900:

• M7.7 — 121 km E of Bitung, Indonesia · 1968-08-10
• M7.6 — 223 km ESE of Sarangani, Philippines · 1969-01-30
• M7.5 — 64 km NNW of Ternate, Indonesia · 1907-06-25

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