How to Read Topographic and Geologic Maps
9:59
Study.comPaul Brege
How to Read Topographic and Geologic Maps
Topographic maps use contour lines to show the elevation of an area. These lines have rules: they cannot cross, and they form circles around hills or depressions. Explore topographic and geologic maps, and learn how to read their contour lines, geologic markings, and colors.
11K viewsFeb 8, 2021
USGS Earthquakes
Earthquakes can be devastating and strike all over the world. In the last 120 years, many have been extremely large. These are the 5 biggest quakes ever recorded (or at least as recorded since 1900). 5️⃣ MAGNITUDE 9.0, Russia, 1952 – The was the world's first recorded magnitude 9 earthquake. It triggered a large tsunami that struck Hawaii causing over $1 million in damages. 4️⃣ MAGNITUDE 9.1, Japan, 2011 – This earthquake sent a devastating tsunami along coastal Japan, triggered the Fukushima nu
1:35
Earthquakes can be devastating and strike all over the world. In the last 120 years, many have been extremely large. These are the 5 biggest quakes ever recorded (or at least as recorded since 1900). 5️⃣ MAGNITUDE 9.0, Russia, 1952 – The was the world's first recorded magnitude 9 earthquake. It triggered a large tsunami that struck Hawaii causing over $1 million in damages. 4️⃣ MAGNITUDE 9.1, Japan, 2011 – This earthquake sent a devastating tsunami along coastal Japan, triggered the Fukushima nu
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Several earthquakes, strongest being magnitude 3.0, strike near San Ramon: USGS
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