Hayli Gubbi volcano   DECEMBER 4, 2025 Natural Events   Latest Natural Event Images (Links below go to our new home at science.nasa.gov/earth/earth-observatory) View the natural events archive Hayli Gubbi’s Explosive First Impression In its first documented eruption, the Ethiopian volcano sent a plume of gas and ash drifting across continents. Read More     NASA Earth Observatory Where every day is Earth day Visit science.nasa.gov/earth/ea ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Dec 05 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 339 Issued at 0030Z on 05 Dec 2025 Report compiled from data received at SWO on 04 Dec I. Regions with Sunspots. Locations Valid at 04/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4294 S15E04 291 1280 Fkc 19 47 Beta-Gamma-Delta 4295 N04E11 284 ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Dec 04 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 338 Issued at 0030Z on 04 Dec 2025 Report compiled from data received at SWO on 03 Dec I. Regions with Sunspots. Locations Valid at 03/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4290 S09W87 035 0010 Hrx 01 01 Alpha 4291 S11W85 033 0010 Hrx ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3570 Issue Time: 2025 Dec 03 0706 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3569 Begin Time: 2025 Nov 25 1450 UTC Yesterday Maximum 2MeV Flux: 8535 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or updat ...Continue Reading

We're back! And we're moving...   We are back! After the lapse in appropriations at the beginning of October, and therefore a lapse in our ability to pay for our newsletter platform, the Earth Observatory team is back to publishing our natural event stories and we are happy to be back in your inbox. We have a slate of new stories to share with you (I will include them all below so you can catch up) and more planned. But in other news...   The Earth Obse ...Continue Reading

We're back! And we're moving...   We are back! After the lapse in appropriations at the beginning of October, and therefore a lapse in our ability to pay for our newsletter platform, the Earth Observatory team is back to publishing our Image of the Day and we are happy to be back in your inbox. We have a slate of new stories to share with you (I will include them all below so you can catch up) and more planned. But in other news...   The Earth Observato ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Dec 03 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 337 Issued at 0030Z on 03 Dec 2025 Report compiled from data received at SWO on 02 Dec I. Regions with Sunspots. Locations Valid at 02/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4288 N19W86 047 0060 Dai 09 04 Beta 4290 S10W73 034 0020 Hrx 0 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3569 Issue Time: 2025 Dec 02 0501 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3568 Begin Time: 2025 Nov 25 1450 UTC Yesterday Maximum 2MeV Flux: 8521 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or updat ...Continue Reading

:Product: Solar Region Summary :Issued: 2025 Dec 02 0030 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar Region Summary SRS Number 336 Issued at 0030Z on 02 Dec 2025 Report compiled from data received at SWO on 01 Dec I. Regions with Sunspots. Locations Valid at 01/2400Z Nmbr Location Lo Area Z LL NN Mag Type 4288 N19W73 047 0060 Dai 09 09 Beta 4290 S10W62 036 0020 Hsx 0 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3568 Issue Time: 2025 Dec 01 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3567 Begin Time: 2025 Nov 25 1450 UTC Yesterday Maximum 2MeV Flux: 8310 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or updat ...Continue Reading