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Do you know these common misconceptions about Earth?
(WTAJ) – There are many different natural events happening on Earth every day, however, you may not be aware of it or know its environmental impacts.
Here are some common misconceptions.
Will the cost of vacation decrease? False: Earthquakes are rare
Would you be surprised if you learned that there are hundreds of earthquakes every day on average?
For example: Even in Pennsylvania, while earthquakes are rare, there was an earthquake in June 2022. While most Pennsylvanians went about their day and might not have noticed it, according to the Pennsylvania Earthquake Network, a 1.5-magnitude earthquake struck southwest Somerset. .
There are daily earthquakes around the world, sometimes they are not reported or noticed.
According to Michigan Tech, the Richter scale is the first widely used method developed by Charles F. Richter in 1934. It is a formula based on the amplitude of the largest wave recorded on a particular type of seismometer and the distance between the earthquake and the seismometer.
Magnitude Effects of earthquakes Estimated number per year 2.5 or less Usually not felt but can be recorded by a seismograph 2.5-5.4 millions Often felt but cause only minor damage 500.0005-6.0 Minor damage to buildings and other structures 3506.1-6.9 May Cause damage in densely populated areas 1007 .0-7.9 major earthquake. Severe damage: 10-158.0 or greater “great” earthquake. Communities near the epicenter can be devastated by one every 1-2 years (data per Michigan Tech University)
According to the Seismology Facility for the Advancement of the Earth Sciences (SAGE), there are an average of several hundred earthquakes of magnitude 2 or less per day around the world. Major earthquakes, with a magnitude greater than 7, occur no more than once a month. Then there are the “major earthquakes” of magnitude 8 or higher that usually happen once a year.
Alabama’s director of education being fired over the book’s stance on race is wrong: Rivers only flow south
While most rivers do this, the St. Johns River in Florida and the Nile River in Africa are two rivers that flow north. According to WorldAtlas, at least 48 rivers in 16 different states have rivers flowing north.
Wrong: Climate change is only caused by humans
While climate change has been a popular global conversation in recent years, many believe that humans are the sole cause behind climate change, which is debatable.
According to the US Environmental Protection Agency (EPA), while human factors have affected Earth’s climate, natural factors have, too. Humans have contributed to climate change through greenhouse gas emissions and the reflection or absorption of the sun’s energy, however, the orbit and rotation of our planet cause a significant impact on climate change.
With changes in the Earth’s orbit and axis of rotation, so has the amount of summer sunlight, which is the main cause of past ice ages, according to the Environmental Protection Agency.
A million dollar transformation of the Huntsville downtown neighborhood is in the planning stages
Another reason is reflectivity and how, in the past, our planet reflected sunlight. For example, dark objects and surfaces, such as oceans, forests, and soil, tend to absorb more sunlight, according to the Environmental Protection Agency. Light-colored objects such as snow and clouds tend to reflect sunlight. Because there are fewer light-colored objects as ice and snow melt, the Earth absorbs more sunlight, which may contribute to an increase in temperature. These changes have contributed to climate change in the past as well.
For a list of other natural climate change causes, including changes in solar activity and more, visit the Climate Change section of the Environmental Protection Agency on its website.
False: Volcanoes are always bad
You might think of volcanoes as natural disasters that do nothing but wreak havoc, however, there are a lot of good things a volcano can do. The USGS states that there are direct and indirect benefits of volcanic eruptions to humanity including:
Volcanic material eventually decomposes to form some of the most fertile soils on earth, helping to produce abundant food and foster civilizations. The internal heat associated with young volcanic systems is harnessed to produce geothermal energy. Magma found in the depths of the roots of extinct volcanoes
One short-term example is the large volcanic eruption in 1991 at Pinatubo in the Philippines. The explosion, according to AccuWeather, released ash and sulfur gas into the stratosphere that helps keep it cool. This has helped keep the region cool and has helped combat climate change.
According to the USGS, there are 1,350 potentially active volcanoes worldwide, including 161 active volcanoes in the United States. Check the USGS Volcano and Earthquake Tool online to see all known volcano locations.
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