Important Takeaways:
- On a dynamic planet like Earth, it can be easy for drivers of change to go unnoticed – but scientists have now established and investigated an unexpected link between the Sun and our home world.
- Sunspots, and therefore solar activity, cause seismic activity, according to a team led by computer scientist Matheus Henrique Junqueira Saldanha of the University of Tsukuba in Japan. Their new research reveals how.
- “Solar heat drives atmospheric temperature changes, which in turn can affect things like rock properties and underground water movement,” Junquiera Saldanha says.
- “Such fluctuations can make rocks more brittle and prone to fracturing, for example – and changes in rainfall and snowmelt can alter the pressure on tectonic plate boundaries. While these factors may not be the main drivers of earthquakes, they could still be playing a role that can help to predict seismic activity.”
- There’s a lot going on here on Earth. Our planet has a squishy interior covered by a crust that is divided into discrete sections and an active weather system. There are a lot of potential triggers for monumental shifts in the planet’s crust that could result in an earthquake.
- We’re not very good at predicting seismic activity. There are simply too many variables, and the process that leads up to a tremor or quake is long and complicated.
- However, knowing the triggers means we could better assess the probability of earthquake activity, and keep a keener eye on potential early warning signs.
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Important Takeaways:
- Professor Efthymios Lekkas, head of the state-run Earthquake Planning and Protection Organization, warned on Sunday that seismic activity on Santorini is expected to continue for an extended period.
- “It will be a prolonged sequence lasting several weeks, possibly even a few months. This type of seismic activity does not subside easily,” he stated in an interview with public broadcaster ERTNews.
- Lekkas further explained that the total number of tremors has already exceeded 20,000 earthquakes. “We are dealing with a unique phenomenon in a unique region. The risk has not been eliminated, just as the risk is never zero anywhere in Greece,” he added.
- While the possibility of a 6.0-magnitude earthquake remains on the table, he said that the likelihood is significantly lower.
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Important Takeaways:
- Greece will soon set up an evacuation port on the island of Santorini to facilitate the safe escape of people in case a bigger quake hits the popular tourist destination, a Greek minister said on Monday.
- Santorini, a volcanic island in the Aegean Sea, has been shaken by tens of thousands of mild quakes since late January, forcing thousands of people to flee, and authorities to ban construction activity, and shut schools and nearby islands.
- No major damage has been reported but scientists have said the seismic activity was unprecedented even in a quake-prone country like Greece and have not ruled out bigger tremors.
- They have identified the main ferry port at the foot of a precipitous slope and other sites across Santorini as weak links, although they have not said they cannot be used in an emergency situation.
- Civil Protection Minister Vassilis Kikilias said Greece will build an evacuation port for the safe docking of passenger ferries until a new port infrastructure is in place.
- “This story is not over,” Costas Papazachos, a seismology professor, and a spokesperson for the Santorini quakes told public broadcaster ERT.
- “Both authorities and habitants should get used to a rather unpleasant situation for some time, it could be another two, three months.”
- Seismologists have said the latest seismic activity, the result of moving tectonic plates and magma, has pushed subsurface layers of the island upwards.
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Important Takeaways:
- A series of earthquakes in the Aegean Sea has raised concerns in Greece and Israel, and officials and experts are taking action to address potential risks.
- Santorini and Amorgos have experienced thousands of tremors since late January. The strongest earthquakes have reached magnitudes of 5.2 to 5.3.
- Experts warn that these tremors could be part of a foreshock sequence, increasing the risk of a stronger earthquake.
- Greek authorities report that more than 7,850 earthquakes have hit the Santorini-Amorgos seismic zone since Jan. 26. The continuous seismic activity has increased the risk of landslides on Santorini’s steep slopes.
- Limited landslides have already hit tourist areas such as Red Beach and the Old Port. Authorities are worried about further rockfalls.
- A state of emergency will remain in effect on the island until March 1.
- Ariel Heimann, a senior geologist at the Institute for National Security Studies… noted that although Israel is over 1,200 kilometers from Santorini, a significant offshore earthquake could still trigger a tsunami capable of reaching Israel’s Mediterranean coast
- Israeli officials are reviewing safety measures, including evacuation plans for coastal cities like Haifa.
- The ongoing tremors keep scientists and authorities on high alert. No one can confirm if a major earthquake or tsunami will strike, but preparedness efforts in Israel and Greece continue to increase to reduce risks.
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Important Takeaways:
- Floods linked to San Andreas quakes
- Historical record underscores connections between reservoirs and seismic activity.
- Geophysicists have linked historical earthquakes on the southern section of California’s famed San Andreas fault to ancient floods from the nearby Colorado River.
- The work has broad implications for understanding how floods or reservoirs relate to quakes — a topic that gained new relevance in 2008, after a massive earthquake in China’s Sichuan province killed more than 80,000 people. Some geologists have proposed that impounding water behind a newly built dam there helped hasten the quake.
- Now, new work in southern California suggests that at least three times in the past 2,000 years, the weight of river water spreading across floodplains seems to have helped trigger earthquakes in the region.
- The team subsequently analyzed data from 20-metre-deep cores pulled from the lake bed in 2003 during earlier work for the US Bureau of Reclamation. The cores showed layers of coarse sandy material laid down during floods — at the same time that seismic activity was known to have occurred.
- “We found quakes happened about every 100 to 200 years and were correlated with floods,” says Brothers. “The Colorado River spills, loads the crust and then there is a rupture.” He says the team is “very confident” in its evidence for the existence of three flood-derived quakes, of roughly magnitude 6, which happened about 600 years ago, 1,100 years ago and 1,200–1,900 years ago. “Sediments don’t lie,” he says.
- A quake of about magnitude 7 struck the southern San Andreas fault about 300 years ago; the next is a century overdue. One possible reason is the Hoover Dam: since its completion in 1936, the lower Colorado no longer floods.
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Important Takeaways:
- The terrifying sounds that hint Iceland’s volcano is ready to blow: Audio clip reveals the ‘exciting and scary’ seismic activity building around the Fagradalsfjall area
- Iceland is bracing for a massive volcanic eruption that could wipe out an entire town, release toxic fumes and trigger widespread disruption.
- The country has ordered evacuations and declared a state of emergency as seismic activity ramps up around the Fagradalsfjall volcano, which is expected to blow in the coming days.
- Now, members of the public can listen to what this unnerving rumbling actually sounds like thanks to an app which transforms seismic frequencies into audible pitches.
- The result is an ‘exciting and scary’ cacophony of noise as the island’s Reykjanes Peninsula is hit by hundreds of earthquakes
- Around 4,000 people have been forced from their homes in the town of Grindavik due to its proximity to the Fagradalsfjall volcano on the Reykjanes peninsula, while the popular Blue Lagoon tourist attraction has also been closed.
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Important Takeaways:
- World Earthquake Report for Wednesday, 26 July 2023
- Today’s global seismic activity level: HIGH
- Magnitude 6+: 1 earthquake
- Magnitude 5+: 6 earthquakes
- Magnitude 4+: 27 earthquakes
- Magnitude 3+: 119 earthquakes
- Magnitude 2+: 235 earthquakes
- No quakes of magnitude 7 or higher
- Mag 6.4 Coral Sea, 96 km east of Port-Olry, Sanma Province, Vanuatu
- Mag 5.3 South Atlantic Ocean, South Georgia & South Sandwich Islands
- Mag 5.2 Coral Sea, 124 km northeast of Santo, Luganville, Sanma Province, Vanuatu
- Mag 5.1 Molucca Sea, 175 km north of Ternate, North Maluku, Indonesia
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Revelations 6:12 “When he opened the sixth seal, I looked, and behold, there was a great earthquake, and the sun became black as sackcloth, the full moon became like blood”
Important Takeaways:
- World Earthquake Report for Tuesday, 10 January 2023
- Today’s global seismic activity level: EXTREME
- This report is being updated every hour.
- Magnitude 7+: 1 earthquake
- Magnitude 5+: 4 earthquakes
- Magnitude 4+: 40 earthquakes
- Magnitude 3+: 116 earthquakes
- Magnitude 2+: 292 earthquakes
- Largest was Mag 7.9 Banda Sea, Indonesia
- Mag 5.7 Coral Sea, 58 km north of Santo, Luganville, Sanma Province, Vanuatu
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Luke 21:11 There will be great earthquakes, and in various places famines and pestilences. And there will be terrors and great signs from heaven.
Important Takeaways:
- World Earthquake Report
- Today’s global seismic activity level: HIGH
- Magnitude 6+: 1 earthquake
- Magnitude 5+: 4 earthquakes
- Magnitude 4+: 31 earthquakes
- Magnitude 3+: 106 earthquakes
- Magnitude 2+: 232 earthquakes
- #1: Mag 6.4 North Pacific Ocean, 23 mi southwest of Eureka, Humboldt County, California, USA
- #2: Mag 5.2 North Atlantic Ocean, 115 km northeast of Saint John, Antigua & Barbuda
- #3: Mag 5.1 North Atlantic Ocean, 120 km northeast of Saint John, Antigua & Barbuda
- #4: Mag 5.0 37 km northeast of Calama, Provincia de El Loa, Antofagasta, Chile
- #5: Mag 5.0 South Pacific Ocean
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Luke 21:11” There will be great earthquakes, and in various places famines and pestilences. And there will be terrors and great signs from heaven.
Important Takeaways:
- World Earthquake Report for Friday, 1 April 2022
- Today’s global seismic activity level: HIGH
- Magnitude 6+: 1 earthquake
- Magnitude 5+: 12 earthquakes
- Magnitude 4+: 32 earthquakes
- Magnitude 3+: 108 earthquakes
- Magnitude 2+: 237 earthquakes
- 6.3 quake South Pacific Ocean, New Caledonia, Apr 1, 2022 6:50 am (GMT +11) – 20 hours ago
- 5.5 quake South Pacific Ocean, New Caledonia, Apr 1, 2022 2:54 am (GMT +11) – 1 day 0 hours ago
- 5.5 quake South Pacific Ocean, New Caledonia, Apr 2, 2022 12:05 am (GMT +11) – 2 hours 60 minutes ago
- 5.3 quake Indian Ocean, 61 km southwest of Pelabuhanratu, West Java, Indonesia, Apr 1, 2022 2:14 pm (GMT +7) – 9 hours ago
- 5.2 quake 51 km east of Ciudad de San Juan, Departamento de Capital, San Juan, Argentina, Apr 1, 2022 8:28 am (GMT -3) – 5 hours ago
- 5.1 quake South Pacific Ocean, New Caledonia, Apr 1, 2022 2:30 am (GMT +11) – 1 day 1 hours ago
- 5.1 quake South Pacific Ocean, New Caledonia, Apr 1, 2022 8:59 am (GMT +11) – 18 hours ago
- 5.1 quake 64 km west of Papua Island, Indonesia, Apr 1, 2022 8:18 am (GMT +9) – 17 hours ago
- 5.1 quake North Pacific Ocean, Japan, Apr 1, 2022 10:32 am (GMT +9) – 15 hours ago
- 5.0 quake North Pacific Ocean, 264 km northeast of Kuril’sk, Sakhalin Oblast, Russia, Apr 1, 2022 4:19 am (GMT +10) – 22 hours ago
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