PLATE WATCH
NAME: _______________________ DATE: ______________________ BLOCK: _________
Plot the earthquakes from the data supplied in the data table below. Use latitude and longitude lines on the map for plotting the
earthquakes. Choose 3 different colors to plot with, a different one for each of the following: DO NOT USE RED Shallow
earthquakes (less than 70km), Intermediate (71 – 300 km), and Deep ( 301 – 650km).
GEOGRAPHIC COORDINATES of RECENT EARTHQUAKES
REGION
Latitude
Longitude
Depth (Km)
145 W
154 E
140 E
94 W
118 W
69 E
115 W
123 W
28 W
164 W
180 E
153 W
79 W
153 W
162 E
16
32
58
61
11
34
51
40
51
58
28
38
54
88
44
130 E
77 W
107 W
72 E
123 W
67 W
148W
123 E
27 E
167 E
128 W
102
150
105
196
173
174
118
263
151
126
332
178 W
81 W
137 E
71 W
146 E
638
338
404
369
427
SHALLOW
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Gulf of Alaska
Kuril Islands
Honshu, Japan
Chiapas, Mexico
Southern California
West Pakistan
British Columbia
Washington
Mid-Atlantic Ridge
Unimak Island
Rat Islands, Aleutians
Kodiak Island
Off Coast of Northern Peru
Southern Alaska
Off Coast of Kamchatka
16
17
18
19
20
21
22
23
24
25
26
Banda Sea
Peru-Ecuador Border
Easter Island Cordillera
Afghanistan-USSR Border
Seattle Washington
Chile-Argentina Border
Central Alaska
Flores Sea
Dodecanese Islands
New Hebrides
South Pacific Cordillera
27
28
29
30
31
Fiji Islands
Near Coast of Ecuador
South of Honshu, Japan
Central Chile
Mariana Islands
59 N
47 N
36 N
17 N
34 N
29 N
50 N
47 N
1N
54 N
52 N
56 N
9S
60 N
57 N
INTERMEDIATE
75N
3S
35 S
37 N
43 N
24 S
64 N
8S
37 N
15 S
55S
DEEP
19 S
1S
32 N
31 S
19 N
Plot volcanoes in RED
Volcano and its location
Latitude
Longitude
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Etna, Slicily
Tambora, Indonesia
Krakatoa,Indonesia
Pelee,Martinique
Vesuvius,Italy
Lassen,California
Mauna Loa,Hawaii
Paricutin,Mexico
Surtsey,Iceland
Arenal,Costa Rica
Helgafell,Iceland
St. Helens,Washington
Lascar, Chile
Kilauea,Hawaii
Pinatubo,Phillippines
37 N
8S
6S
14 N
40 N
40 N
20 N
19 N
63 N
15 N
62 N
46 N
23 S
19 N
15 N
15 E
118 E
105 E
61 W
14 E
122 W
156 W
102 W
20 W
86 W
20 W
122 W
68 W
155 W
120 E
16
17
18
19
20
21
Peinado, Argentina
Stromboli, Vulcano, Italy
Unzen, Asama, Japan
Isluga, Chile
El Condor, Argentina
Tacora, Northern Chile
26 S
38 N
33 N
19 S
26 S
17 S
68 W
15 E
130 E
69 W
68 W
70 W
22
Sabancaya, Peru
16 S
72 W
Plate Watch
Analysis and Conclusions
Name: _____________________________________ Date: ____________________________ Pd _______
1. Describe one type of lithospheric plate boundary that would cause earthquakes to occur.
____________________________________________________________________________________
____________________________________________________________________________________
____________________________________________________________________________________
2. Based on the ocean floor age map, what is the most common type of boundary on the Earth?
_________________________________________________________________________________
3. Comparing your plotted data and the plotted data of earthquakes and volcanoes what was one key
difference between them?
_________________________________________________________________________________
4. Where did most of the earthquake and volcanoes that you plotted occur?
_________________________________________________________________________________
_________________________________________________________________________________
5. Looking at the colorful 3D Geography map, describe what you notice. __________________________
____________________________________________________________________________________
____________________________________________________________________________________
6. When looking at the sea floor where are the highest, and the lowest elevations? In other words, what are
the highest points called, what are the lowest points called? ___________________________________
____________________________________________________________________________________
____________________________________________________________________________________
7. The first earthquake you plotted occurred at a subduction boundary between what 2 major plates?
____________________________________________________________________________________
8. Using terms like divergent and convergent boundary, where is the ocean crust the youngest, the oldest?
___________________________________________________________________________________
9. Looking at your data map that you plotted, and comparing it to the other maps, at what kind of boundary
were most of the points plotted? _________________________________________________________
10. Compared to earthquakes, do volcanoes occur in any different locations? ________________________
____________________________________________________________________________________
11. Looking at the west cost of South America, what kind of plate boundary is there? What does that mean
for the types of earthquakes? ___________________________________________________________
_______________________________________________________________________________________
12. What type of plate boundary causes rifts in the earth’s crust?___________________________________
_______________________________________________________________________________________
13. Is the crust near a divergent boundary older or younger than the crust farther away from the boundary?
Justify why you gave your answer. _______________________________________________________
____________________________________________________________________________________
____________________________________________________________________________________
14. What happens when oceanic crust and continental crust converge? _____________________________
____________________________________________________________________________________
____________________________________________________________________________________
15. Hypothesize why the majority of earthquakes and volcanoes occur at or near plate boundaries. _______
____________________________________________________________________________________
16. Of the three types of earthquakes you plotted on the map, which type was most common?