Step 1 see the attached map Each dot on this map represents a place where earthquakes commonly occur. The color of the dot represents at what depth in Earth's crust the rupture begins: shallow (0 to 70 km), intermediate (70 to 300 km) or deep (300 to 700 km). Step 2: Annotate this map Make notes by drawing on the map based on the three types of plate boundaries, which are divergent, convergent, and transform. Your annotations MUST include at least four of the following types of notes: a line or set of lines that connect the dots a label indicating the type of plate boundary that coincides with a particular group of earthquakes a label indicating the type(s) of features that you would expect to find near a particular group of earthquakes additional symbols plotted on the map (and in the map key) to indicate the presence of mountains, volcanoes, etc... arrows to show the relative direction of plate movement observations that relate to your own personal experience with an area shown on this map questions or comments include at least 10 annotations on the map from at least four of the categories bulleted above.
Step 1 see the attached map
Each dot on this map represents a place where earthquakes commonly occur. The color of the dot represents at what depth in Earth's crust the rupture begins: shallow (0 to 70 km), intermediate (70 to 300 km) or deep (300 to 700 km).
Step 2: Annotate this map
Make notes by drawing on the map based on the three types of plate boundaries, which are divergent, convergent, and transform.
Your annotations MUST include at least four of the following types of notes:
a line or set of lines that connect the dots
a label indicating the type of plate boundary that coincides with a particular group of earthquakes
a label indicating the type(s) of features that you would expect to find near a particular group of earthquakes
additional symbols plotted on the map (and in the map key) to indicate the presence of mountains, volcanoes, etc...
arrows to show the relative direction of plate movement
observations that relate to your own personal experience with an area shown on this map
questions or comments
include at least 10 annotations on the map from at least four of the categories bulleted above.
![**Distribution of Shallow-, Intermediate-, and Deep-Focus Earthquakes**
This map illustrates the global distribution of earthquakes categorized by their depth: shallow, intermediate, and deep. Based on data from NOAA, the map highlights major oceanic trenches and earthquake-prone zones.
**Key Features:**
- **Shallow Earthquakes (Blue Dots):** These occur at depths of less than 70 km. They are widely distributed across oceanic ridges and trenches.
- **Intermediate Earthquakes (Yellow Dots):** These are found at depths between 70 km and 300 km. They often align with subduction zones.
- **Deep Earthquakes (Red Dots):** These occur at depths greater than 300 km and are typically located near deep ocean trenches.
**Notable Trenches Highlighted:**
- **Aleutian Trench**
- **Kurile Trench**
- **Japan Trench**
- **Mariana Trench**
- **Philippine Trench**
- **Java (Sunda) Trench**
- **Tonga Trench**
- **Kermadec Trench**
- **Central America Trench**
- **East Pacific Rise**
- **Peru-Chile Trench**
- **Puerto Rico Trench**
- **Mid-Atlantic Ridge**
- **South Sandwich Trench**
The map demonstrates that earthquakes are predominantly concentrated around tectonic plate boundaries, where interactions such as subduction, collision, and spreading occur. This understanding is crucial for assessing seismic risks and the potential for volcanic activity globally.
**Source:** © 2009 Tasa Graphic Arts, Inc.
For more details, visit: [Why Are There Earthquakes and Volcanoes in Japan?](http://blogs.agu.org/georneys/2011/03/11/why-are-there-earthquakes-and-volcanoes-in-japan-in-response-to-magnitude-8-9-earthquake-tsunami-in-japan/)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7eb30ff5-62ab-44e1-b2bf-7e63a932671d%2F0491664a-abb0-4d7e-8ca6-392fbfcca840%2Flolxx8_processed.png&w=3840&q=75)
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