Showing posts with label meteors. Show all posts
Showing posts with label meteors. Show all posts

Tuesday, 3 March 2026

Fireball over Norway

2026, March 1. Norway. Fireball. Time: 20:31. Duration: 9 seconds. It was seen as far south as Goslar in Germany to Ålesund on the central west coast of Norway 1200 km apart. Burned up 58 km above ground. It was clearly captured on cameras in Oslo, Larvik, Moss, and Trondheim, allowing scientists to determine its trajectory precisely. It appeared over the Swedish west coast near Lysekil, crossed the Skagerrak, entered over the Norwegian coast between Risør and Tvedestrand, continued over Agder and Bygland, and then burned up completely. This is a second fireball in the region after the February 22nd event over Sweden. It remains to be seen if this activity translates to cetacean strandings after the cluster of fireballs over Denmark, the surrounding waters, and the resulting sperm whale deaths. Without any satellite data in the North Sea or lower Arctic Ocean, there is a large data blind. See posts below. 

Norsk meteornettverk  

Saturday, 11 October 2025

Proving a link between meteor airbursts and mass whale strandings would be hard but not impossible

It would require coordinated multi-discipline evidence that converges on the same conclusion: (1) an airburst actually happened close enough in time/place to plausibly affect animals; (2) physical/forensic evidence shows the animals sustained injuries or physiological effects consistent with a pressure/shock or electromagnetic event; and (3) other, more likely causes are ruled out. Below, I lay out a practical, step-by-step research program, including the measurements and protocols needed, the statistical approach, logistical/ethical constraints, and a brief checklist of “minimal convincing evidence.” There are other topics not listed below, such as unmonitored coastlines and population densities etc.

High-level research strategy

  1. Detect — Build/assemble independent records showing a meteor/bolide/airburst occurred (satellite, infrasound, optical, radar, eyewitness, seismic).

  2. Correlate — Show the timing and location of the atmospheric event match the stranding (within a plausible window given propagation and whale behavior).

  3. Forensically link — Perform necropsies and environment sampling that produce signatures consistent with airburst effects (e.g., barotrauma-like injuries, ear damage, microdebris).

  4. Exclude alternatives — Systematically rule out known stranding causes (acoustic sonar, disease, algal toxins, navigational error, prey movements, geomagnetic anomalies).

  5. Replicate — Accumulate multiple independent events with the same convergent evidence to move from anecdote to pattern.

  6. Model plausibility — Physically model how an airburst of the observed energy at the observed altitude/distance would transmit shock/noise into the water and what biological effects would be expected.

Concrete measurements & instrumentation you need

  • Atmospheric / bolide detection

    • Government infrasound arrays and seismic networks (detect pressure waves).

    • Satellite detections (IR, optical, flash sensors — e.g., US government bolide reports where available).

    • Ground optical meteor networks / fireball cameras and radar if available.

    • Citizen reports, smartphone videos (timestamped), and audio.

  • Ocean acoustic & physical monitoring

    • Coastal and deep-water hydrophone recordings (to capture underwater pressure/sonic signatures).

    • Coastal seismic stations (some airbursts couple into the ground).

    • Surface wave and tsunami sensors (to detect any surface impulsive displacement).

  • Biological & forensic

    • Rapid, standardized necropsies performed by trained marine mammal pathologists. Key samples/observations: inner ear examination (cochlea — hemorrhage or trauma), lungs (barotrauma, pulmonary hemorrhage), eyes (hemorrhage), gas bubble formation in tissues, soft tissue hemorrhages, organ pathology, toxicology (algae toxins), microbiology (pathogens).

    • Histology of ear and brain tissue to detect blast-type lesions.

    • Stable isotope/diet analysis to check feeding status, and stomach contents to see if prey behavior was a factor.

    • Collection of external materials from bodies/nearby shoreline (micrometeorites, melted-glass spherules, unusual particulates).

  • Environmental & oceanographic

    • Bathymetry and coastline slope maps (to assess navigational risk).

    • Local ocean temperature, currents, and prey distribution (fish/krill surveys or acoustic fishery data).

    • Records of local human naval/industrial acoustic sources (sonar, seismic surveys, shipping).

  • Tagging / telemetry (where available)

    • Long-term tagged whales can provide pre-event behavior: dive profiles, vocalization changes, heading changes. If a tagged pod shows synchronized behavioral anomaly at the time of a bolide, that would be powerful.

Necropsy protocol (fast, standardized)

Time is critical. A suggested rapid response protocol:

  1. Secure scene; photograph and map carcasses and surrounding area.

  2. Within 24 hours (fresher is better) perform full necropsy following established marine mammal protocols (e.g., IWC/NOAA guidance). Record gross lesions.

  3. Sample and preserve (label + chain of custody): inner ears, brain, lung, spleen, kidney, muscle, stomach contents, blood/serum, ear bones (if needed), and environmental particulates. Freeze portions for later histology, toxicology, genetic testing.

  4. Take swabs/samples from skin/blubber surface for particulates.

  5. Submit samples to pathology labs and independent labs for histology (ear, brain), gas analysis (embolic gas composition), and trace element/particle analysis (spherules, microtektites, meteoritic composition).

  6. Publish/ archive all raw necropsy data publicly for review.

Specific forensic signatures that would support an airburst cause

Look for multiple, converging signatures rather than a single oddity:

  • Temporal/spatial coincidence: bolide/airburst detection within minutes–hours and within tens to a few hundreds of kilometers (depending on event strength) of the stranding.

  • Blast/pressure injuries: inner ear hemorrhages, pulmonary hemorrhage, gas bubble formation in tissues consistent with rapid pressure change. (These findings could also match sonar-related injuries, so comparative pathology matters.)

  • Absence of other causes: negative for algal toxins, no evidence of infectious disease sufficient to kill the pod, no nearby naval sonar or seismic activity that could explain it.

  • Physical debris: discovery of meteoritic micro-spherules or high-temperature melt products on animals or immediate coastline that match the bolide composition.

  • Acoustic records: hydrophone/infrasound signatures that match a strong near-shore airburst and, ideally, timing that matches behavioral anomalies in tagged whales.

  • Behavioral telemetry: tags showing synchronous abrupt surfacing, disorientation, or anomalous dives concurrent with the event.

Statistical & analytical approach

  • Case–control design: Compare strandings coincident with detected bolides to a matched set of strandings with no bolide. Assess whether the coincidence rate is greater than random expectation.

  • Time-series analyses: Use permutation tests to see if strandings cluster around bolide dates more than expected. Adjust for confounders (season, coastal traffic, sonar exercises).

  • Bayesian hierarchical modeling: Combine different evidence streams (probability of bolide occurrence, probability of biological injury given bolide parameters, prior plausibility) to produce posterior probability that airburst caused stranding.

  • Forensic likelihood ratio: For each event, compute likelihood of observed forensic/pathology evidence under two models — airburst vs alternative cause (e.g., sonar). A high likelihood ratio in favor of airburst would be compelling.

  • Power/sample size: Because strandings are relatively rare and airbursts in the right place/time are rarer, expect to need multiple well-documented events to reach high confidence. Simulations (Monte Carlo) using estimated base rates of airbursts and strandings can help estimate required sample sizes.

Logistics, collaborators & data sources

  • Collaborators: marine mammal stranding networks, university marine biology/pathology labs, atmospheric physics groups (meteoritics), infrasound/seismology groups, oceanographers, national space/defense agencies (for satellite bolide data), citizen science networks (fireball cameras).

  • Data sharing: set up rapid alerting and data sharing — e.g., if a large fireball is detected near a coast, stranding networks are notified to prepare. Conversely, rapid stranding reports should trigger searches for bolide records.

  • Legal/ethical: you cannot intentionally expose animals to harmful blasts; all work must be observational/forensic and follow animal welfare laws.

Challenges & likely confounders

  • Similar pathologies: sonar and strong underwater explosions can produce ear/inner-organ injuries similar to a blast from an airburst — differentiating the two requires careful context (presence/absence of sonar records) and possibly micro-pattern differences on histology.

  • Signal attenuation: atmospheric shockwaves dissipate quickly and couple into water inefficiently — small/medium airbursts may have negligible marine effects unless very close. Modeling is needed to show physical plausibility.

  • Sparse detection coverage: not every airburst is captured by government satellites or infrasound arrays publicly, making negatives ambiguous.

  • Rarity of coincident events: obtaining multiple high-quality, independent events may take years.

Minimal convincing evidence (a practical threshold)

For a single event to be considered strong evidence, you’d want:

  1. Clear, independently recorded bolide/airburst (satellite/infrasound/optical) close in time and space.

  2. Hydrophone/infrasound records showing a pressure transient reaching the ocean at a plausible level.

  3. Necropsy findings consistent with rapid pressure/sonic trauma (inner ear hemorrhage, pulmonary lesions) in multiple animals from the same stranding.

  4. Negative results for other major causes (toxin, disease, naval sonar).

  5. Physical particulates or melt spherules consistent with a bolide found in the environment or on animals (this is optional but would be a strong added signature).

  6. Ideally, at least one independent replication (another well-documented stranding + bolide) or behavioral telemetry from tagged whales showing a temporally matched anomalous response.

A practical short plan you could implement now

  1. Set up a formal partnership between a stranding network and a meteor/bolide detection group.

  2. Create rapid-response SOPs for necropsy + environmental sample collection when a large fireball is reported near a coast (and vice versa).

  3. Archive and link datasets (bolide detections, hydrophone archives, satellite reports, stranding necropsy reports, shipping/sonar logs) for retrospective searches.

  4. Run retrospective analyses: cross-match historical bolide catalogs with historical mass stranding records for statistical excesses.

  5. Model the blast-to-water coupling for a range of bolide energies and distances to produce a dose–response curve (pressure in water vs distance/energy). Compare modeled exposure vs lesion thresholds in mammals.

Final realistic assessment

Proving the theory beyond reasonable doubt will require multiple, multi-modal, independently verified cases where the airburst is recorded, the forensic evidence points to blast/pressure effects, and other causes are ruled out. Because other causes (sonar, disease, navigation, algal toxins) are common and can produce similar injuries, the standard of evidence must be high. Still — with dedicated coordination between stranding networks and meteor/bolide observers, rapid forensic work, and robust statistical analysis, it is scientifically testable.

Tuesday, 17 June 2025

Global Alert System for cetacean stranding

Given the different parameters involved in issuing these alerts, I'm working on a color-coded worldwide Marine Animal Disturbance Alert system to make it simpler, more accurate and easier to follow. Inputs such as migration and habits need to be taken into consideration. Also, meteor airbursts of all energy outputs, heights and fireballs of all varieties need to be taken for what they are, diverse. Because this is relatively new, as in the last couple of years, new situations have come along that challenge what I want to portray in the alert issued, so this will be easier and more accurate. This new system will be shown like the example below (not the current situation) and will be presentable once software is involved. I gather this will change as it evolves. I will also issue dates to coincide with alert length, because cetaceans can come ashore many months after injury. This in itself can be confusing when events overlap.

Low - Green

Moderate - Orange

High - Yellow

Extremely High - Red

Tuesday, 13 August 2024

Rescue efforts to save dolphins stranded on Tasmanian beach near Devonport. Update: 20240814 Fish deaths in Victoria

Six short-beaked common dolphins were found stranded in Tasmania at Hawley Beach, east of Devonport, around 9:30am on Tuesday.

This stranding is interesting because the atmosphere has been energetic since the July 3 fireball incidents. I looked at the data since and found that meteor activity was increasing. It's the most active for the region this year. Below is a snapshot of the sky on the 31 July. Unfortunately, I haven't any camera data from the 3 August onwards and the bad weather has seen blank cards so I will have to wait, maybe a week or more to find out any further information. Hopefully, something large has come in and was caught on one of the Victorian cameras. This is a great example of having real-time data to allow warnings for probable events? We need cameras around Tasmania and more cameras in the coastal regions of Victoria!!!!


Meteor Map – Fireballs Aotearoa

2024, August 14. Victoria, Port Phillip Bay. Hundreds of dead fish washed up on the foreshore of Capel Sound. It appears to have affected one type of fish species.  

Friday, 3 May 2024

2023 = meteors and whale strandings

Bolides, Meteors or Airbursts = Whale Strandings. Whether it was in India or Hawaii the same can be seen in the rhythm of events. Below are dates for UK and Scotland between April and September.

2023, April 26. Celtic Sea, North Atlantic. Airburst. (47, -10.7). Time: 13:14. Altitude: 29.6 km. Velocity: 16.2. e= 2.4. -e= 0.086.

2023, May 7. Scotland, North Berwick beach in East Lothian. Dead minke whale.

2023, May 8. UK, North Wales, Porth Neigwl, also known as Hell's Mouth, Gwynedd. An adult female cachalot.


2023, July 6, UK, Irish Sea, Isle of Man. Fireball. Time: 22:33. Velocity: 20km/s. Duration: 20 seconds. LB: -4.01. LB: 54.20. HB: 94.37 km. LE: -2.38. LE: 52.96. HE:86.59 km.

2023, July 16. Scotland, Outer Hebrides, Isle of Lewis. 54 long-finned black dolphins died.

2024, July 25. Scotland, the village of Culross. Two northern bottlenose whales were stranded and died.


2023, September 1UTC. United Kingdom, North of Skye. Traveling S.S.W. Time: 21:14. Velocity = 65.89km/s. Duration: 0.95 seconds. LB: -5.66. LB: 58.20. HB: 112.23 km. LE: -5.94. LE: 57.68. HE: 101.58 km. Related Meteor Shower: Aurigids.

2023, September 4. United Kingdom, Skye, 13 common dolphins.

Monday, 29 April 2024

Continued meteor activity in Tasman Sea

2024, April 28. New Zealand, North Island, Cook Strait. Meteors. Numerous meteors were detected travelling N.W. over the Tasman Sea.

Map – Fireballs Aotearoa

I will use this situation to see, (if there is a stranding), to answer the question of why sometimes whales strand after bad weather. There is a gale warning for Raglan coastal area for the next few days. If whales are under extreme stress from meteor activity, they will more likely run ashore during these weather events. Whales in this situation need to stay at sea, where a number are likely to die naturally if they are under stress. The rest of the pod will survive and swim on. If a storm comes along during this time, the whole pod will likely come to shore. Time will tell. I hope not, but this is another scenario that needs to be observed. As noted, it is not uncommon for pods to strand after storms. The question has been why? I will start using weather maps to add to observed events in the future. 

Tuesday, 19 March 2024

Good news for Gray whales in the North Pacific

"Unusual Mortality Event" declared over. 700 gray whales deaths were recorded off the coast from Mexico to Canada between 2019 and 2023. In a worrisome few years for the North Pacific gray whale population, hundreds washed up dead on shorelines along the West Coast leading to an estimated 30% decline in their population. During the years of the Unusual Mortality Event, 347 Gray whales were stranded along the coasts of California, Oregon and Washington; another 316 were reported in Mexico and 27 in Canada. The population numbers of the North Pacific Gray whale had declined during the Unusual Mortality Event, going from an estimated 20,500 whales in 2019 to 14,526 whales in 2023. Updated population numbers are expected to come out soon. Total calf production also declined, from around 950 calves counted in 2018 to an estimated 217 calves in 2022. In 2023, calf production increased slightly to 412 counted. Between 2018 to 2023 690 gray whales washed ashore from 2018 to 2023: 347 in the United States, 316 in Mexico and 27 in Canada.

Gray Whale

Below is a map of the North Pacific Meteor Airbursts from 2018 to 2022. One of these had the equivalent energy of 49 million kilograms of TNT. They ranged from the Arctic Circle to California.
NASA

Meteor detonates over Tasman Sea east of New Zealand

2026, September 23. New Zealand, North Island, Tasman Sea. Large Fireball. Sonic Boom. Time: 22.57. Duration: 5 seconds. Big cracking sound....