Tsunami warnings, big earthquakes and information for the Pacific ocean. Sources: NOAA, USGS, GEOFON.
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Jun 12
Small M4.9 earthquake in the Pacific — Adjacent Sea of Torishima Island, depth 500 km. Along the Izu–Bonin Trench. Max JMA intensity 1. Jun 12 09:21 local time (6m ago).
jma.go.jp/bosai/map.html#5/2…
ALT Map showing epicenter of M 4.9 earthquake in Adjacent Sea of Torishima Island, depth 500 km.
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Jun 10
Moderate M5.6 earthquake in the Pacific — Northern Sea of Japan, depth 350 km. Max JMA intensity 1. Jun 10 20:35 local time (6m ago).
jma.go.jp/bosai/map.html#5/4…
ALT Map showing epicenter of M 5.6 earthquake in Northern Sea of Japan, depth 350 km.
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Jun 10
Large M6 earthquake in the Pacific — Auckland Islands, New Zealand region, depth 9.5 km. Jun 10 12:44 local time (16m ago).
earthquake.usgs.gov/earthqua…
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Jun 10
Small M4.6 earthquake in the Pacific — Off the east Coast of Hokkaido, depth 50 km. Along the Kuril–Kamchatka Trench. Max JMA intensity 1. Jun 10 10:29 local time (6m ago).
jma.go.jp/bosai/map.html#5/4…
ALT Map showing epicenter of M 4.6 earthquake in Off the east Coast of Hokkaido, depth 50 km.
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Pacific Earthquakes retweeted
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A simple iPhone app for following earthquakes worldwide in real time - including events relevant to tsunami activity.
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M7.8 earthquake - 24 km WSW of Burias, Philippines. Jun 8 07:37 local time (20m ago, depth 35 km)
earthquake.usgs.gov/earthqua…
ALT Map showing epicenter of M 7.8 earthquake in 24 km WSW of Burias, Philippines, depth 35 km.
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May 20
M6.6 earthquake - southern East Pacific Rise. May 20 14:43 local time (20m ago, depth 10 km)
earthquake.usgs.gov/earthqua…
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May 15
M6.6 earthquake - 8 km ESE of Ōfunato, Japan. May 15 20:22 local time (15m ago, depth 63 km)
earthquake.usgs.gov/earthqua…
ALT Map showing epicenter of M 6.6 earthquake in 8 km ESE of Ōfunato, Japan, depth 63 km.
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Apr 20
Info: M7.4 near off the east coast of Honshu, Japan: There is no tsunami danger for the U.S. West Coast, British Columbia, or Alaska. Based on earthquake information and historic tsunami records, the earthquake is not expected to generate a tsunami
tsunami.gov/events/PAAQ/2026…
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Apr 20
M 7.4 earthquake - 115 km ENE of Miyako, Japan. Apr 20 7:52:56 UTC (10m ago, depth 10 km)
earthquake.usgs.gov/earthqua…
google.com/maps/place/39.881…
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Apr 19
Info: M6.1 near ABOUT 101 MILES SOUTHWEST OF SAVAII ISLAND: No tsunami threat expected
tsunami.gov/events/PHEB/2026…
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Apr 18
Info: M5.1 near 65 miles SE of Amchitka, Alaska: There is NO tsunami danger from this earthquake
tsunami.gov/events/PAAQ/2026…
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Apr 10
Info: M4.1 near 80 miles NW of Sitka, Alaska: There is NO tsunami danger from this earthquake
tsunami.gov/events/PAAQ/2026…
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Info: M4.5 near 180 miles S of Cape Yakataga, Alaska: There is NO tsunami danger from this earthquake
tsunami.gov/events/PAAQ/2026…
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Info: M5.2 near 60 miles SW of Buldir I., Alaska: There is NO tsunami danger from this earthquake
tsunami.gov/events/PAAQ/2026…
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Info: M4.8 near 30 miles NW of Monterey, California: There is NO tsunami danger from this earthquake
tsunami.gov/events/PAAQ/2026…
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Info: M7.4 near MOLUCCA SEA: No tsunami threat expected
tsunami.gov/events/PHEB/2026…
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Info: M7.6 near MOLUCCA SEA: No tsunami threat expected
tsunami.gov/events/PHEB/2026…
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Info: M7.8 near in the Northern Molucca Sea, Indonesia: There is no tsunami danger for the U.S. West Coast, British Columbia, or Alaska. Based on earthquake information and historic tsunami records, the earthquake is not expected to generate a tsunami
tsunami.gov/events/PAAQ/2026…
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M 7.8 earthquake - 119 km WNW of Ternate, Indonesia. Apr 1 22:48:15 UTC (10m ago, depth 10 km)
earthquake.usgs.gov/earthqua…
google.com/maps/place/1.249,…
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