1879 Surigao earthquake
| Local date | June 30, 1879 |
|---|---|
| Local time | 02:55 PST |
| Magnitude | 7.4 Mw |
| Epicenter | 9°48′N 125°30′E / 9.8°N 125.5°E |
| Type | Strike-slip |
| Areas affected | Philippine |
| Max. intensity | MMI X (Extreme) |
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The 1879 Surigao earthquake occurred on June 30 at 18:38 02:55 local time on the northeastern tip of Mindanao. The earthquake with a moment magnitude (Mw ) of 7.4 struck with an epicenter just south of Lake Mainit. Extensive damage occurred but there were no reports of casualties.