You might like<\/strong>What time is sunset at crater lake july 28 2019?<\/span><\/div><\/a><\/div>The impact-cratering process is commonly divided into three stages: contact and compression, excavation, and collapse. These three stages are not discrete; however, each is dominated by different physical processes and is most easily described and understood separately.<\/p>\n
The contact and compression stage begins when an impacting body collides with the surface of a planet or satellite. The energy of the impact is converted into heat and shock waves, which cause the surface material to deform and compress. This stage ends when the shock wave propagates through the surface material and reflects off the interior of the body.<\/p>\n
The excavation stage begins when the shock wave reflected from the interior of the body reaches the surface again. The shock wave excavates a cavity in the surface material, and the cavity grows in size as the shock wave propagates outward. This stage ends when the shock wave has dissipated and the cavity has stabilized.<\/p>\n
The collapse stage begins when the cavity created by the shock wave reaches a critical size. The weight of the material above the cavity exceeds the strength of the material, and the material collapses into the cavity. This forms a crater, which may be either simple or complex. The collapse stage ends when the crater has stabilized.<\/p>\n
Final Words <\/h2>\n
The forces and processes that formed Crater Lake were volcanic in nature. A large volcano, Mount Mazama, erupted violently about 7,700 years ago. The eruption was so powerful that it blew the top off the mountain, leaving a large hole where the peak had once been. Over time, rain and snowmelt filled the hole with water, creating Crater Lake.<\/p>\n
The crater that would become Crater Lake was formed about 7,700 years ago when the 12,000 foot (3,700 m) tall Mount Mazama exploded and collapsed following a large eruption. The crater soon filled with rain and snowmelt, forming a deep lake.<\/p>\n","protected":false},"excerpt":{"rendered":"
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