Why the Pacific tsunami was smaller than expected – a geologist explains

Image: Shake map of the Kamchatka earthquake. Image courtesy of USGS. Article by Alan Dykes. The Conversation – July 30, 2025.

The earthquake near the east coast of the Kamchatka peninsula in Russia on July 30, 2025 generated tsunami waves that have reached Hawaii and coastal areas of the US mainland. The earthquake’s magnitude of 8.8 is significant, potentially making it one of the largest quakes ever recorded. […]

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