GSW's Geophysical Facilities

1. Seismic Detectors and Computer Interface

2. Digital Display in Roney Building

3. Older Paper Seismic Recorder

Most Recent Seismic Event Recorded at GSW

January 3, 2009: Papua, Indonesia, Magnitude 7.6 and 7.4 Mw, 35 km deep

USGS & Regional Seismic Information

1. NEIC Earthquake Bulletin (maps of recent epicenters)
2. Index Map of Today's Earthquakes in California
3. Earthquakes along Mississippi River 1975-1995
4. NEW!!! Information on Mt. St. Helens!!!

Seismic Events Recorded at GSW

1. Philippines Region, March 3 2008, 6.9 Mw
2. Kuril Islands, Japan Region - March 3, 2008, 6.5 Mw
3. Andreanof-Islands, Aluetians - March 2, 2008, 5.8 Mw
4. Tarapac, Chile - March 1, 2008, 5.7 Mw, 36 km deep
5. Nevada - February 21, 2008, 6.0 Mw
6. Svalbard Region - February 21, 2008, 6.2 Mw
7. Gulf of California - March 13, 2007, 6.0 Mw, 42 km deep
8. South of Cuba - February 4, 2007, 6.2 Mw
9. Molucca Sea - January 21, 2007, 7.5 Mw, 38 km deep
10. Kuril Islands - January 13, 2007, 8.1 Mw
11. Kuril Islands - November 15, 2006, 8.3 Mw
12. Hawaii - October 15, 2006, 6.6 Mw, 38 km deep
13. Gulf of Mexico - September 10, 2006, 5.8 Mw
14. Salta, Argentina - August 25, 2006, 6.6 Mw, 156 km depth
15. Kamchatka, Russia - August 24, 2006, 6.5 Mw, 43 km depth
16. Scotia Sea - August 20, 2006, 7.0 Mw
17. Oaxaca, Mexico - August 19, 2006, 5.6 Mw
18. Virgin Islands - August 14, 2006, 5.5 Mb
19. Michoacan, Mexico - August 11, 2006, 6.1 & 5.2 Mw
20. Vanuatu, South Pacific - August 7, 2006, 6.8 Mw, 151 km depth
21. Gulf of California - July 30, 2006, 5.9 Mw
22. North Atlantic Ocean - July 29, 2006, 5.8 Mw
23. South of Java, Indonesia, July 17, 2006, 7.7 Mw
24. Andreanof Islands, Alaska - July 7, 2006, 6.6 Mw, 51 km depth
25. Tonga - May 3, 2006, 7.9 Mw, 55 km deep
26. Koryakia, Russia - April 20, 2006, 7.6 Mw
27. Jalisco, Mexico - April 4, 2006, 5.9 Mw
28. Seram, Indonesia - March 14, 2006, 6.7 Mw
29. Mozambique - February 22, 2006, 7.5 Mw
30. Gulf of Mexico - February 10, 2006, 5.2 Mb
31. Gulf of California - January 4, 2006, 6.6 Mw
32. Offshore Fiji - January 2, 2006, 7.2 Mw, 582 km deep
33. Lake Tanganyika, Africa - December 5, 2005, 6.8 Mw
34. Offshore Honshu Japan - November 14, 2005, 6.9 Mw
35. Northern Pakistan - October 8, 2005, 7.6 Mw
36. Offshore Honduras - September 23, 2005, 5.9 Mw
37. Panama - September 18, 2005, 5.6 Mw
38. Panama - September 18, 2005, 5.5 Mw
39. Southern California - September 2, 2005, 4.5 & 5.1 Mw
40. Panama - August 27, 2005, 6.0 Mw
41. Western North Carolina - August 25, 2005, 3.7 Mb
42. Offshore Honshu Japan - August 16, 2004, 7.2 Mw
43. Nicaragua - August 3 2005, 6.3 Mw
44. Western Montana - July 26 2005, 5.5 Mw
45. Nicobar Islands, Indonesia - July 24 2005, 7.3 Mw
46. Offshore Northern California - June 15 2005, 7.1 Mw
47. Northern Sumatra - March 28, 2005, 8.6 Mw
48. Gulf of California - February 22, 2005, 5.5 Magnitude
49. Central Iran - February 22, 2005, 6.3 Mw
50. Sulawesi, Indonesia - February 19, 2005, 6.5 Mw
51. Offshore Ecuador - February 17, 2005, 5.5 Mw
52. Kepulauan Island, Indonesia - February 15, 2005, 6.4 Mw
53. Leeward Islands - February 14, 2005, 5.9 Mw
54. Arkansas - February 10, 2005, Magnitude 4.1
55. Vanuatu - February 8, 2005, Magnitude 6.7 Mw, (Depth 206.4 km)

Notable Seismic Events Recorded at GSW Since 1998

1. Nicaragua -- October 9, 2004, 7.1 Mw (Depth 61.1 km)
2. South Coast of Honshu, Japan - September 5, 2004, 7.0 and 7.4 Mw
3. Hokkaido, Japan - September 25, 2003, 8.1 Mw
4. Central Chile - June 20, 2003, 6.8 Mw
5. Amazonas, Brazil - June 20, 2003, Magnitude 7.0 Mw (Depth 553 km)
6. Mindanao, Philippines - May 26, 2003, Magnitude 6.8 Mw (Depth 560 km)
7. Halmahera, Indonesia - May 26, 2003, Magnitude 6.7 Mw
8. Honshu, Japan - May 26, 2003, Magnitude 7.0 Mw
9. near Fort Payne, Alabama - April 29, 2003, Magnitude 4.9
10. near Athens, Georgia - March 18, 2003, Magnitude 3.5
11. Rat Islands, Alaska - March 17, 2003, Magnitude 7.0 Mw
12. Colima, Mexico - January 22, 2003, Magnitude 7.8 Mw
13. Kuril Islands - November 17, 2002, Magnitude 7.3 Mw (Depth 507 km)
14. Central Alaska - November 3, 2002, Magnitude 7.9 Mw
15. Central Alaska - October 23, 2002, Magnitude 6.7 Mw
16. Western Brazil - October 12, 2002, Magnitude 6.4 (Depth 536 km)
17. Oaxaca, Mexico - October 11, 2002, Magnitude 5.2
18. Irian Jaya Region, Indonesia - October 10, 2002, Magnitude 7.4 Mw
19. Gulf of California - October 3, 2002, Magnitude 6.4 Mw
20. Papua New Guinea - September 8, 2002, Magnitude 7.5 (7.3 Mw)
21. China - June 28, 2002, Magnitude 7.3 (depth 564 km)
22. Offshore Sumatra - June 27, 2002, Magnitude 6.6
23. Guatemala - June 25, 2002, Magnitude 5.0 (depth 70 km)
24. Western Iran - June 22, 2002, Magnitude 6.3
25. SW Indiana - June 18, 2002, Magnitude 5.0
26. Chile - June 18, 2002, Magnitude 6.6 (depth 53 km)
27. Upstate New York - April 20, 2002, Magnitude 5.1
28. Near Guerrero, Mexico - April 18, 2002, Magnitude 5.0 mb
29. Northern Chile - April 18, 2002, Magnitude 6.7 Mw
30. Near Guerrero, Mexico - April 18, 2002, Magnitude 6.3 Mw
31. Chiapas, Mexico - April 13, 2002, Magnitude 4.9
32. Hindu-Kush Region, Afhanistan - April 12, 2002, Magnitude 5.9 Ms
33. Vanuatu Islands, South Pacific - April 11, 2002, Magnitude 6.2 Ms
34. Puerto Rico - April 11, 2002, Magnitude 4.6 mb (depth 56 km)
35. Chile-Bolivia Border Region - March 28, 2002, Magnitude 6.3 (depth 122 km)
36. Gulf of California - March 27, 2002, Magnitude 4.7
37. Ryukyu Islands, Japan - March 26, 2002, Magnitude 6.4
38. Aleutian Islands, Alaska - March 14, 2002, Magnitude 5.9 Mw
39. Panama - March 14, 2002, Magnitude 4.1
40. El Salvador - March 7, 2002, Magnitude 4.8
41. Mindanao, Phillipines - March 3, 2002, Magnitude 7.5
42. Hindu-Kush Region, Afghanistan - March 3, 2002, Magnitude 7.3 (depth 195 km)
43. Near Baja California, Mexico - February 22, 2002, Magnitude 5.2
44. Chiapas, Mexico - February 14, 2002, Magnitude 5.8
45. Veracruz, Mexico - January 30, 2002, Magnitude 5.5 (depth 105 km)
46. Vanuatu Islands, South Pacific - January 2, 2002, Magnitude 7.3, 6.4 Mw
47. Off East Coast of U.S.A. - January 12, 2002, Magnitude 5.7
48. Chiapas, Mexico - January 16, 2002, Magnitude 6.4
49. Costa Rica - January 28, 2002, Magnitude 5.2
50. South of Australia - December 12, 2001, magnitude 7.0
51. Alabama - December 8, 2001, magnitude 3.9
52. China - November 14, 2001, magnitude 6.2 mb, 8.1 Ms
53. Mexico - November 13, 2001, magnitudes 5.7 & 4.9
54. Banda Sea, South Pacific - October 19, 2001, magnitude 7.5
55. Virgin Islands - October 16, 2001, magnitude 5.7 MS
56. South of the Marianas Islands - October 12, 2001, magnitude 7.0
57. Seattle, Washington - February 28, 2001, magnitude 6.8 Ms
58. El Salvador - February 13, 2001, magnitude 6.6 Mw
59. Western India - January 26, 2001, magnitude 7.9 MS
60. El Salvador - January 13, 2001, magnitude 7.6 MS
61. Putnam County, Georgia (near Milledgeville)- January 18, 2000, magnitude 3.5 MS
62. Istanbul, Turkey - November 12, 1999, magnitude 7.1 MS
63. Mojave Desert, California - October 16, 1999, magnitude 7.0 MS - Vertical Component
64. Mojave Desert, California - October 16, 1999, magnitude 7.0 MS - North-South Component
65. Mojave Desert, California - October 16, 1999, magnitude 7.0 MS - East-West Component
66. Oaxaca, Mexico - September 30, 1999, magnitude 7.5 MS
67. Taiwan - September 20, 1999, magnitude 7.6 MS
68. Northern Turkey - August 17, 1999, magnitude 7.8 MS
69. Coastal Ecuador - Aug. 8, 1998 magnitude 7.1.MS

Americus Georgia - Typical Freight Train Signature

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