Shallow M6.6 earthquake hits Southeast Indian Ridge
A shallow earthquake registered by the USGS as M6.6 hit the southeast Indian Ridge at 01:42 UTC on April 16, 2025. The agency is reporting a depth of 10 km (6.2 miles).
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Shallow M5.2 earthquake near San Diego triggers numerous aftershocks, Southern California
A shallow earthquake registered by the USGS as M5.2 struck near Julian, San Diego County, at 17:08 UTC (10:08 local time) on April 14, 2025, shaking large areas of Southern California. The agency reports a depth of 14.3 km (9 miles).
Large Saharan dust plume impacts southern and eastern Europe
A large plume of Saharan dust is moving across the Mediterranean Sea into southern and central Europe, with peak concentrations expected on April 16. The event is likely to reduce air quality and may cause “blood rain” in areas affected by rainfall.
G2 geomagnetic storm watch in effect for April 16 following solar filament eruption
A G2 – Moderate geomagnetic storm watch is in effect for April 16, 2025, due to an Earth-directed coronal mass ejection from an April 13 filament eruption. Solar activity is forecast to remain moderate through April 15, with potential X-class flares from Region 4055, before decreasing to low levels on April 16.
Deep M6.5 earthquake hits south of Fiji Islands
A deep earthquake registered by the USGS as M6.5 hit south of Fiji Islands at 20:03 UTC on April 13, 2025. The agency is reporting a depth of 270 km (168 miles). EMSC is reporting M6.5 at a depth of 262 km (163 miles).
The Weekly Volcanic Activity Report: April 2–8, 2025
New activity/unrest was reported for 4 volcanoes from April 2 to 8, 2025. During the same period, ongoing activity was reported for 23 volcanoes.
Bright fireball observed over New Zealand’s North Island
A very bright fireball lasting 8 seconds crossed the sky over New Zealand’s central North Island on April 10, 2025.
Tornado damages homes and school in Princeton, Indiana
An EF-1 tornado struck Princeton, Indiana, on April 10, 2025, causing widespread damage and leaving over 500 customers without power.
Damaging storms expected Thursday across the Lower Ohio Valley and Mid-South
A developing storm system over the Eastern United States is expected to bring severe weather, including thunderstorms, heavy rain, and snow, from Thursday, April 10, 2025, through the weekend. This system is anticipated to produce strong to severe thunderstorms in these regions late Thursday into early Friday, with damaging winds and large hail as the main hazards. The Storm Prediction Center has issued a Slight Risk (level 2 out of 5) for severe thunderstorms in the affected areas.
Explosive activity, strong ash emissions observed at Etna volcano, Italy
Mount Etna’s Southeast Crater exhibited intensified Strombolian activity on April 8, 2025, leading to strong emission of volcanic ash clouds reaching altitudes of approximately 5.5 km (3.4 miles) above the volcano and drifting southeast. The Aviation Color Code was raised to Red.
