Update: The 30th of May meteor Airburst and Acoustic Monitoring of Cetaceans

Between January 1st and June 15th, the North Atlantic acoustic monitors picked up 15068 definite whale detections that included Right, Fin, Blue, Sei and Humpback. On the 30^th of May the Cape Cod meteor airburst event occurred. On this day, and the next, only 4 data points were detected. The 31^st of June was the lowest data point for the year to date.

Also: 2026, June 14. USA, Tennessee and Missouri. Seen in 13 other states: AL, AR, GA, IA, IL, IN, KY, KS, MS, MN, OK, SC and TX. Long Duration Fireball. Time: 22:26. Travelling NNW. Shallow angle entry skipping numerous times over the lower atmosphere and fragmenting. Early reports indicate the object created concurrent and delayed sound, a whipping and rumbling. There have also been two large fireballs in Europe, both creating sound, one in Italy and the other in France. 

Second Fireball in the Mediterranean

2026, April 24. Mediterranean, Between Corsica and Sardinia. Fireball. Time: around 22:00CEST, 19:56 UT. Travelling south. Seen from Spain, France and Italy.

Previous: April 24. Ligurian Sea. Fireball. Time: 00:44CEST. Located between the coastal border region of France, Italy and Corsica. Travelling WSW. Duration: 4 seconds. Seen in Italy, France, Spain, Switzerland and Germany.

Ligurian Sea (Pelagos Sanctuary): No major mass strandings have been reported in the 48 hours since the April 24 fireballs. However, this is the most densely populated area for Fin whales and Striped dolphins in the Mediterranean. Local networks (like CIMA Research Foundation and Italy’s CERT) are currently in "high-monitoring" mode due to the spring migratory peak.

Corsica/Sardinia Corridor: The second fireball noted (22:00 CEST) passed directly over the Strait of Bonifacio. This area is a known habitat for Cuvier's beaked whales, which are deep-divers suggests are particularly susceptible to the atmospheric pressure changes or acoustic "thumps" of airbursts. No reports of sonic booms were witnessed from the events above; therefore, the likelihood of a mass stranding is low. 

Marine Animal Disturbance Alert: A 14-day advisory is now in effect for this region. All local residents and visitors should maintain a safe distance from marine life and report any unusual animal behavior or strandings to the relevant authorities immediately.

Greek tragedy, its all Italy's fault

1996, May 12 and 13. Greece, Peloponnese Peninsula, The Kyparissiakos Gulf is effectively an acoustic "collector." Because it is a curved, open bay facing the deep waters of the Ionian Sea. The Kyparissiakos Gulf is a "catcher's mitt" for the Ionian Sea. Any airburst over the Ionian Trench (between Italy and Greece) would have sent a shockwave directly into the deep-sea canyons where these beaked whales reside.A mass stranding of 12 Cuviers beaked whales. Spread out. Possible concussion type event. (Blamed on Military sonar testing). Unlike "typical" mass strandings where a pod beaches at the same time in one spot, these whales were spread across 38 kilometers of coastline. Northern Limit: The strandings began just south of the town of Katakolo. Southern Limit: The line of strandings extended down toward Kyparissia. Acoustic Funneling: Any pressure wave from an airburst over the Ionian Sea would be funneled directly toward this sandy coastline. Magnetic Minima: Some researchers have noted that this specific stretch of the Greek coast aligns with certain magnetic minima, which you have previously noted as a point of interest in how cetaceans navigate or react to environmental stress. On average, the whales were spaced about 3.5 km apart, which is why it was classified as an "atypical" mass stranding—they didn't beach all at once in one spot. Extended Range: Two weeks after the main event, a decomposing whale was found on the nearby Zakynthos Island, about 57 km away from the closest mainland stranding site. They appeared at different times over a 36-hour window, which is why researchers labeled it an "atypical mass stranding." Physical Condition: The whales were in good health and had recently eaten (stomach contents showed fresh squid), ruling out disease or starvation. Later re-examination of photos even showed some individuals with bleeding from the eyes. The whales in the 1996 event were found across 38 kilometers. Scientists have often struggled to explain how a single sonar source (the Alliance vessel) could cause such a widely distributed "atypical" stranding unless the whales were already fleeing or disoriented over a large area.

1996. Italy. Atmospheric Booms. In May 1996, local reports from the Tuscany and Emilia-Romagna regions (facing the Ionian and Adriatic seas) mentioned unusual acoustic "booms." While these are sometimes dismissed as seismic. In the Italian Apennines and coastal regions, there is a long history of "brontidi" (thunder-like sounds without storms). These “booms” are most likely caused by meteors. The evidence is marked in airbursts that are frequently detected in the region. The history: The year before in 1995, January 4. Italy. Airburst. Coordinates: (46.4N, 12.1E). Energy: 0.14kt. Two years before that in 1993, January 19. Italy, Emilia Romagna, Lugo. Airburst. Coordinates: (44.5°N 11.9°E). -e = 10 kilotonnes of TNT (42 TJ). Altitude: 30 km. The bolide was caused by the breakup of a low density meteoroid traveling at approximately 26 km/s. Peak magnitude -23 crossed the sky of Northern Italy, ending with an explosion. The explosion (14 kt of energy) generated shock waves which were recorded by six local seismic stations. In Southern Italy and the Ionian region, local reports from May 1996 include references to "brontidi" (mysterious thunder-like booms in clear skies). These acoustic events were reported in the days leading up to the May 12 stranding, suggesting that atmospheric entries were "priming" the acoustic environment of the Ionian Sea before the NATO sonar even began. The bigger picture: May 1 Comet Hyakutake Perihelion Peak debris field interaction (11 days before). This tail was 3.8 AU long—the longest ever recorded—meaning the entire Mediterranean region was passing through a dense field of cometary debris for the first two weeks of May. May 5–6 Eta Aquariid Peak High-energy meteor flux over the Mediterranean (6 days before). May 8 Major Bolide Recorded Global acoustic pressure pulse (4 days before). May 11 NATO Sonar Trials Begin. The "official" cause, though whales may have already been in distress.

Update on global cetacean strandings

2025, February 13. USA, Mississippi, Biloxi, in the area near Camille Street. A dead bottlenose dolphin was discovered on the Beach. So far there has been 12 strandings, with estimates there are about 50 strandings most seasons.

2025, February 11. Canada, Seen from New Brunswick, Nova Scotia and Prince Edward Island. Fireball. Time: Approx 23:51UT.

2025, February 13. Philippines, Oriental Mindoro, Puerto Galera, Varadero Bay. Disoriented Dwarf Cachalot (Kogia sima) died after rescue attempts. The stranded whale was identified as a female, measuring 2.5 meters in length, with an estimated weight of 100 kilograms and a girth size of 1.45 meters.

2025, February 14. USA, Long Island, Amagansett, Albert's Landing Beach in Napeague State Park/Bay. Risso's Dolphin stranded and died. 300 centimeters long.

2025, February 14. Scotland, Kintyre peninsula, near the ferry terminal at Claonaig. Dead Humpback whale. Cause of death yet to be determined. Initial assessment of the whale showed it was a healthy animal with a lot of blubber, but had significant entanglement injuries. The wounds around the fluke are about 200ml deep and there’s evidence of rope cutting into its tail.  

2025, February 15. Denmark, North Sea, Sea off Hörnum, island of Sylt A male dead cachalot (sperm whale) dead. The carcass was towed by mussel fishermen to the port of Hörnum. The cetacean was up to 16 meters long and was in an advanced state of decomposition.

2025, February 16. Sardinia, Mediterranean Sea, on the coast of San Giovanni Suergiu, Punta Trettu. A juvenile minke whale was found lifeless on the beach.

Image: Fabio Murru 

Sonic boom creates earthquake in Corsica

It will be interesting to see if anything results from these two meteors. Events like this were not unexpected this week.

2024, June 20. Italy/France, Tyrrhenian Sea - Mediterranean. Sonic Boom produced an earthquake in Corsica and also heard on the island of Elba. It happened at 4:30 in the afternoon. At Elba, the town of Campo nell’Elba, a nearby tracking station, “captured a seismic, acoustic event felt by everyone”. An earthquake has been ruled out. Similar events in 2012, 2016 and 2023 have yet to be explained. Six days before on June 14 a large fireball was observed travelling N.N.E across the Ligurin Sea north of Corsica. See map below.

American Meteor Society (amsmeteors.org)

Whales dead in Corsica and spectacular fireball in Portugal - Updated 20240520

2024, May 18. Corsica, Aleria, Serra di Fiumortu and Ghisonaccia, Mediterranean Sea. Three Cuvier's Beaked Whales strand with two dying. The individual at Ghisonaccia was 6 meters long and weighed 1.8 tons.

2024 - Three whales wash up on three separate beaches in Corsica, two are dead (actualnewsmagazine.com)

2024, May 14. Italy, Abruzzo, Campania, Emilia-Romagna, Lazio, Marche and Steiermark. Fireball. Time: 0:06 UT. 2024-05-14 22:06CEST.

American Meteor Society (amsmeteors.org)

2024, May 19. Time 0:46 CET (23:46 Lisbon time). A bright fireball crossed the skies of Spain and Portugal and as far away as France. Meteor (likely a fragment from a comet). It was travelling NW. delivering concurrent and delayed sound. Time: Lisbon time: 23:46 or 0:46 CET. The AMS has the following date/time: 2024-05-18 22:50 UT; 2024-05-19 00:18. Due to this event's atmospheric bruising, a marine animal disturbance alert should be considered for the next 14 to 30 days. Any animals located after 14 days will die quickly or wash ashore already deceased. Affected areas include the coastal waters of Portugal, Spain's northern and southern coastlines, France's southern coast, United Kingdom, Ireland and the Azores. Because of its location past the continental shelf, the risk to Cachalots (sperm whales) is highly likely. The meteor is said to have come in at 40.4km/s, travelled 500km in ten seconds and dismantled at an altitude of 60km over the Atlantic Ocean.