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Tag Archive | "earthquake"

Strong 6.7 magnitude earthquake off Canadian coast, no tsunami threat

A widespread destructive tsunami threat does not exist based on historical earthquake and tsunami data. Earthquakes of this size do not usually produce destructive tsunamis. However, small sea level changes may be observed in the vicinity of the epicenter.

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Very strong 7.5M earthquake in Papua New Guinea, no Pacific wide tsunami threat

Sea level readings indicate a tsunami was generated. It may have been destructive along coasts near the earthquake epicenter. No tsunami threat exists for other coastal areas in the Pacific although some other areas may experience small sea level changes.

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Strong 6.9M quake in Papua New Guinea, no tsunami threat to Hawaii

No destructive widespread tsunami threat exists based on historical earthquake and tsunami data. However – earthquakes of this size sometimes generate local tsunamis that can be destructive along coasts located within a hundred kilometers of the earthquake epicenter. Authorities in the region of the epicenter should be aware of this possibility and take appropriate action.

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Very strong 7.2 magnitude quake in Mexico, no tsunami threat to Hawaii

No destructive widespread tsunami threat exists based on historical earthquake and tsunami data. However – earthquakes of this size sometimes generate local tsunamis that can be destructive along coasts located within a hundred kilometers of the earthquake epicenter. Authorities in the region of the epicenter should be aware of this possibility and take appropriate action.

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Very strong 7.4M quake in Solomon Islands, no tsunami threat to Hawaii

Sea level readings indicate a tsunami was generated. it may have been destructive along coasts near the earthquake epicenter in the Solomon Islands. For those areas – when no major waves are observed for two hours after the estimated time of arrival or damaging waves have not occurred for at least two hours then local authorities can assume the threat is passed. Danger to boats and coastal structures can continue for several hours due to rapid currents.

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Very strong quake in the Solomon Islands, no tsunami threat to Hawaii

Sea level readings indicate a tsunami was generated. it may have been destructive along coasts near the earthquake epicenter. For those areas, when no major waves are observed for two hours after the estimated time of arrival or damaging waves have not occurred for at least two hours then local authorities can assume the threat is passed.

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Strong quake in Nicaragua, no tsunami threat

A 6.6 magnitude (preliminary) earthquake has occurred in Nicaragua. A destructive tsunami was not generated based on earthquake and historical tsunami data.

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Very strong 7.1M quake in Papua New Guinea, no tsunami threat to Hawaii

Two strong earthquakes have occurred in the Solomon Islands. A 7.1 and 6.8 magnitude quakes. No destructive widespread tsunami threat exists based on historical earthquake and tsunami data. However – earthquakes of this size sometimes generate local tsunamis that can be destructive along coasts located within a hundred kilometers of the earthquake epicenter. Authorities in the region of the epicenter should be aware of this possibility and take appropriate action.

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Volcano Watch: April 2014: Commemorating –­ and then monitoring – tsunamis

April is again Tsunami Awareness Month in the State of Hawaii. As in previous years, groups across the state are conducting exercises and other activities to increase awareness of, and preparedness for, tsunami hazards.

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Strong 7.8M quake in Chile, Tsunami Warnings for Chile and Peru cancelled

No destructive widespread tsunami threat exists to Hawaii based on historical earthquake and tsunami data. However – earthquakes of this size sometimes generate local tsunamis that can be destructive along coasts located within a hundred kilometers of the earthquake epicenter. Authorities in the region of the epicenter should be aware of this possibility and take appropriate action.

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Time travel map for tsunami or ocean surges from Chile earthquake on April 1, 2014.

Severe 8.2M quake strikes Chile, tsunami advisory cancelled for Hawaii

Tsunami wave heights across the state of Hawaii are now below advisory levels and are continuing to diminish. Based on all available data the Pacific Tsunami Warning Center is now cancelling the tsunami advisory. Smaller sea level changes and strong or unusual currents may persist for several additional hours and appropriate caution should be exercised by boaters and swimmers.

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Volcano Watch: Two weeks of terror in Ka‘ū – The devastating events of 1868

The 16 days of earthquakes in 1868 that included a tsunami, landslide, and eruption in the District of Ka‘ū.

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