USGS
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Allegiant Expands Florida Routes as USGS Launches Nevada Geological Surveys
Allegiant Air adds seven seasonal routes to Punta Gorda, while the USGS begins low-level geological imaging flights over northeastern Nevada.
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4.3 Magnitude Earthquake Strikes Kern County; Tremors Felt in Los Angeles
A 4.3 magnitude earthquake struck near Johannesburg, Kern County, on Monday, with residents across Los Angeles reporting tremors.
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5.6 Magnitude Earthquake Strikes Northern California
A 5.6 magnitude earthquake struck near Redwood Valley, California, on Wednesday, triggering over 650,000 early warning alerts and causing localized power outages.
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5.5-Magnitude Earthquake Strikes Eastern Japan
A moderate 5.5-magnitude earthquake occurred near Noda, Japan, on Tuesday evening, according to the USGS.
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Magnitude 6.0 Earthquake Strikes Hawaii Island; No Tsunami Threat Reported
A magnitude 6.0 earthquake struck the western flank of Mauna Loa on Hawaii Island, causing widespread shaking across the state but resulting in no tsunami warning.
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Redlands hit by 3.3 magnitude quake; aftershocks reported
A 3.3 magnitude earthquake struck near Redlands on Wednesday morning, followed immediately by a 3.2 aftershock, prompting regional safety assessments.
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USGS Revises Boulder Creek Quake Magnitude to 4.6
Seismologists have officially downgraded the magnitude of the April 2 earthquake near Boulder Creek, California, as officials monitor for potential aftershocks.
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Tonga Eases Tsunami Alert After 7.6 Magnitude Earthquake
Tongan authorities have downgraded a national tsunami warning following a 7.6 magnitude earthquake near Vava’u, despite international assessments indicating no significant threat due to the tremor’s depth.
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Magnitude 4.9 Quake Hits Coachella Valley, Southern California
A magnitude 4.9 earthquake struck Southern California’s Coachella Valley on January 19, causing significant shaking but no immediate reports of damage or injuries. The event highlights the region’s constant seismic activity.
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Magnitude 3.3 Earthquake Strikes San Ramon, Latest in Series
A preliminary magnitude 3.3 earthquake struck near San Ramon, California, late Sunday night, marking the latest tremor in the seismically active region.
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3.5 Magnitude Quake Shakes Los Angeles Coast; Boosts Preparedness
A 3.5 magnitude earthquake struck off Rancho Palos Verdes near Los Angeles, sparking renewed calls for seismic preparedness. It was the third tremor in the region this past week.
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Montana Quake Rattles Great Falls, Prompts Local Preparedness Reminder
A magnitude 4.2 earthquake struck near Great Falls, Montana, on Thursday, January 29, 2026, prompting local officials to issue guidance and serving as a reminder of the region’s seismic activity.
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4.7 Magnitude Quake Rattles Utah’s Wasatch Front, Aftershocks Possible
A 4.7 magnitude earthquake struck near the Utah-Wyoming border, sending tremors across Utah’s populous Wasatch Front early Thursday morning. While no significant damage or injuries were reported, the U.S. Geological Survey forecasts a notable chance of aftershocks, reminding residents of…
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Magnitude 6.0 Earthquake Strikes Off Oregon Coast, No Tsunami Threat
A powerful 6.0 magnitude earthquake struck off the Oregon coast near the Blanco Fracture Zone, causing strong shaking but posing no tsunami threat, according to authorities.
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Kilauea Volcano Prepares for ‘Episode 40’ High Fountaining: What to Expect
Hawaii’s Kilauea volcano is on the cusp of a significant eruption, with scientists anticipating ‘Episode 40’ high lava fountaining. Currently in a precursory phase, the USGS maintains a WATCH alert level, closely monitoring activity confined to Halemaʻumaʻu crater.