Editors' picks

pelee volcano 2 june 2021

Seismic activity under Pelée volcano, Martinique

Seismic activity continues at slightly above background levels at Martinique's Pelée volcano. From May 28 to June 4, 2021, the L'Observatoire Volcanologique et Sismologique de Martinique (OVSM) registered at least 11 volcanic-tectonic earthquakes of...

June 10, 2021

iceland volcano june 8 2021

Lava cuts off famous viewing hill of eruption near Fagradalsfjall in Geldingadalur, Iceland

The famous viewing hill providing a glimpse of the ongoing volcanic eruption site near Fagradalsfjall in Geldingadalur, Iceland, has been cut off as lava has made its way through the hiking trail on Monday, June 7, 2021. The spectacular sight of a volcano spewing...

June 08, 2021

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NLC seasons getting longer, clouds moving farther south

New data provided by NASA's AIM (Aeronomy of Ice in the Mesosphere) satellite mission shows that the first noctilucent clouds (NLCs) of summer have been trending earlier since 2007, when the spacecraft was launched. Each year, NLCs first appear in the Arctic and...

June 05, 2021

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Supervolcanic eruption of Toba destroyed ozone layer, causing population bottleneck

A catastrophic drop in atmospheric ozone layers 60 000 to 100 000 years ago likely contributed to a population bottleneck during that period. According to a new study, the event was triggered by the eruption of the Toba supervolcano in Sumatra, Indonesia. "Toba...

June 05, 2021

finland heat june 3 2021

Finland basks in unusual heat while cold prevails in parts of eastern Europe

Finland is facing unseasonal heat for early June, in contrast to the cold weather conditions experienced by countries farther south. On Thursday, June 3, 2021, a Finnish weather station within the Arctic Circle registered a sweltering 29.3 °C (84.7°F), while...

June 04, 2021

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Stunning drone video of Fagradalsfjall eruption site in Iceland

"The ongoing eruption of the Icelandic Fagradalsfjall volcano in the Geldingadalir valley was one of the most magnificent sights I have ever witnessed in my life," says Joey Helms, a filmmaker who recently visited Iceland to make this amazing video....

June 03, 2021

sinkhole mexico june 1 2021

Massive sinkhole opens in southeastern Mexico

A giant sinkhole measuring 80 m (262 feet) in diameter has opened up on a field in southern Mexico on Saturday, May 29, 2021. No damage or injuries were reported, but a nearby home is at risk of being swallowed as the gaping hole continues to expand rapidly each...

June 02, 2021

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Slow-slip earthquake occurring off the east coast of North Island, New Zealand

A large, slow-slip earthquake is occurring off the east coast of North Island, New Zealand. The event began off the coast of Porangahau last week in the same area as the one that occurred shortly after the massive M7.8 Kaikoura Earthquake of November 2016. Based on...

May 31, 2021

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Long-duration C9.4 solar flare erupts from AR 2824, generating fast CME and S1 - Minor solar radiation storm

A long-duration C9.4 solar flare erupted from Active Region 2824 at 23:13 UTC on May 28, 2021, producing a strong coronal mass ejection (CME) and S1 - Minor proton radiation storm. The flare event was associated with Type II Radio Emission with an estimated velocity...

May 29, 2021

NLCs scotland may 26 2021 2

2021 noctilucent clouds (NLC) season starts earlier than expected

Noctilucent clouds (NLCs) have been spotted over Poland, Czech Republic, Canada, and Scotland, among other countries, on May 25 and 26, marking an early start to the northern hemisphere's 2021 NLC season. The clouds are rapidly intensifying. In only four days...

May 28, 2021

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Increase in explosive activity, lava fountain night at Etna volcano, Italy

Three episodes of strong lava fountaining took place at Etna volcano since 20:20 UTC on May 25, 2021, generating an eruptive column up to 7.6 km (25 000 feet) above sea level. The Aviation Color Code was raised to Red on 7 occasions since UTC midnight on May 25,...

May 26, 2021

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Electromagnetic anomalies occurring before large earthquakes

A new study published in Earth, Planets and Space sheds new light on the electromagnetic anomalies occurring before large earthquakes. The research supports the hypothesis that fault rupture progresses just before an earthquake, and the invading gas is charged and...

May 24, 2021

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Multiple Earth-directed CMEs produced over the weekend

Solar activity has increased from low to moderate levels on Saturday and Sunday, May 22 and 23, 2021, with a series of C- and M-class solar flares produced by Active Region 2824. Multiple CMEs were produced during this period, with several having Earth-directed...

May 24, 2021

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Strong eruption with large lava fountaining at Sangay volcano, Ecuador

Volcanic activity at Sangay volcano, Ecuador increased significantly at 00:20 UTC on May 22, 2021, producing strong paroxysmal eruptive episode 500 - 1 000 m (1 640 - 3 300 feet) from the crater. The Aviation Color Code was raised to Red at 00:40 UTC and lowered...

May 22, 2021

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Total lunar eclipse of May 26, 2021

The Earth will pass between the Moon and Sun from 09:45 to 12:52 UTC on May 26, 2021, creating a total lunar eclipse -- visible from eastern Asia, Australia, the Pacific, and the Americas. The total eclipse will last from 11:12 until 11:26 -- with the greatest...

May 22, 2021

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Sydney records coldest run of May nights since 1967, Australia

A record-breaking cold snap is affecting eastern Australia this week, with Sydney, NSW recording its coldest run of May nights since 1967. The minimum temperatures in the city dropped to 8.6 °C (47 °F) on Thursday morning, May 20, 2021, marking the coldest...

May 20, 2021

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Czech Republic sees extreme snow as another Arctic front descends on Europe

Wide swaths of the Czech Republic, including Labska Bouda, have been buried in extreme snowfall this late in the season. The unseasonal winter weather conditions were brought by a cold Arctic air mass descending on Europe and keeping much of the continent under...

May 19, 2021