List of earthquakes in 1903

Earthquakes in 1903

Approximate epicenters of the earthquakes in 1903 4.0−5.9 magnitude 6.0−6.9 magnitude 7.0−7.9 magnitude 8.0+ magnitude
Strongest magnitude	Kythera, Greece, August 11, Magnitude 8.1
Deadliest	Mus Province, Turkey, April 28 (Magnitude 6.3) 3,560 deaths
Total fatalities	3,913
Number by magnitude
9.0+	0
8.0−8.9	1
7.0−7.9	8
6.0−6.9	12
5.0−5.9	0
← 1902 1904 →

This is a list of earthquakes in 1903. Only magnitude 6.0 or greater earthquakes appear on the list. Exceptions to this are earthquakes which have caused death, injury or damage. Events which occurred in remote areas will be excluded from the list as they wouldn't have generated significant media interest. All dates are listed according to UTC time. A quieter year than normal but one with many deaths. The bulk of the deaths in this year came from a quake which struck Turkey in April. The largest event of the year was a magnitude 8.1 earthquake in Greece but this only caused two deaths.

Overall

By death toll

Rank	Death toll	Magnitude	Location	Depth (km)	Date
1	3,560	6.3	Mus Province, Turkey	0.0	April 28
2	350	6.5	Razavi Khorasan Province, Iran	0.0	September 25

• Note: At least 10 casualties

By magnitude

Rank	Magnitude	Death toll	Location	Depth (km)	Date
1	8.1	2	Kythera, Greece	80.0	August 11
2	7.8	0	Tonga	400.0	January 4
3	7.7	0	off the coast of Oaxaca, Mexico	0.0	January 14
4	7.3	0	south of Java, Indonesia	0.0	February 27
5	7.1	0	Zavkhan Province, Mongolia	0.0	February 1
5	7.1	0	Tonga	0.0	April 29
5	7.1	0	Mindanao, Philippines	0.0	December 28
6	7.0	0	south of Aleutian Islands, Alaska	0.0	January 17
6	7.0	0	Vanuatu	0.0	May 13

• Note: At least 7.0 magnitude

Notable events

January–March

• A magnitude 7.8 earthquake struck Tonga on January 4 at a depth of 400.0 km.^[1]
• A magnitude 7.7 earthquake struck off the coast of Oaxaca, Mexico on January 14 at a depth of 0.0 km.^[2]
• A magnitude 7.0 earthquake struck south of the Aleutian Islands, Alaska on January 17 at a depth of 0.0 km.^[3]
• A magnitude 7.1 earthquake struck Zavkhan Province, Mongolia on February 1 at a depth of 0.0 km.^[4]
• A magnitude 6.5 earthquake struck off the south coast of Honshu, Japan on February 3 at a depth of 100.0 km.^[5]
• A magnitude 6.8 earthquake struck the Rat Islands, Alaska on February 5 at a depth of 0.0 km.^[6]
• An earthquake struck Guam on February 10. The magnitude and depth were unknown. There was damage reported on the island.^[7]
• A magnitude 7.3 earthquake struck south of Java, Indonesia on February 27 at a depth of 0.0 km.^[8]
• A magnitude 6.5 earthquake struck Seram, Indonesia on March 30 at a depth of 33.0 km.^[9]

April–June

• A magnitude 6.9 earthquake struck the Hindu Kush region of Afghanistan on April 19 at a depth of 160.0 km.^[10]
• A magnitude 6.3 earthquake struck Mus Province, Turkey on April 28 at an unknown depth. The quake left 3,560 dead, many more injured and major damage in the area. Around 12,000 homes were destroyed.^[11]
• A magnitude 7.1 earthquake struck Tonga on April 29 at a depth of 0.0 km.^[12]
• A magnitude 7.0 earthquake struck Vanuatu on May 13 at a depth of 0.0 km.^[13]
• A magnitude 6.9 earthquake struck the Alaska Peninsula on June 2 at a depth of 0.0 km.^[14]

July–September

• A magnitude 8.1 earthquake struck Kythera, Greece on August 11 at a depth of 80.0 km.^[15] Two deaths were reported as well as some damage on the island.^[16]
• A magnitude 6.5 earthquake struck Razavi Khorasan Province, Iran on September 25 at an unknown depth. Three-hundred and fifty people were killed.^[17]

October–December

• A magnitude 6.9 earthquake struck Vanuatu on October 29 at a depth of 0.0 km.^[18]
• A magnitude 6.8 earthquake struck south of Fiji on October 30 at a depth of 0.0 km.^[19]
• A magnitude 6.7 earthquake struck Lake Baykal, Russia on November 26 at a depth of 30.0 km.^[20]
• A magnitude 6.8 earthquake struck Atacama Region, Chile on December 7 at a depth of 0.0 km.^[21] At least one death and some damage was caused in the area.^[22]
• A magnitude 6.8 earthquake struck the Santa Cruz Islands on December 23 at a depth of 0.0 km.^[23]
• A magnitude 7.1 earthquake east of Mindanao, Philippines on December 28 at a depth of 0.0 km.^[24] Some damage was reported.^[25]

References

1. "Centennial Earthquake Catalog". United States Geological Survey. January 4, 1903. Retrieved November 16, 2015.
2. "M7.7 - off the coast of Oaxaca, Mexico". United States Geological Survey. January 14, 1903. Retrieved November 16, 2015.
3. "Centennial Earthquake Catalog". United States Geological Survey. January 17, 1903. Retrieved November 16, 2015.
4. "Centennial Earthquake Catalog". United States Geological Survey. February 1, 1903. Retrieved November 16, 2015.
5. "Centennial Earthquake Catalog". United States Geological Survey. February 3, 1903. Retrieved November 16, 2015.
6. "Centennial Earthquake Catalog". United States Geological Survey. February 5, 1903. Retrieved November 16, 2015.
7. "Significant Earthquake GUAM". National Geophysical Data Center. February 10, 1903. Retrieved November 16, 2015.
8. "Centennial Earthquake Catalog". United States Geological Survey. February 27, 1903. Retrieved November 16, 2015.
9. "Significant Earthquake INDONESIA: TIFU, MASARETE, KAJELI". National Geophysical Data Center. March 30, 1903. Retrieved November 16, 2015.
10. "Centennial Earthquake Catalog". United States Geological Survey. April 19, 1903. Retrieved November 16, 2015.
11. "Significant Earthquake TURKEY: MALAZGIRT". National Geophysical Data Center. April 28, 1903. Retrieved November 16, 2015.
12. "Centennial Earthquake Catalog". United States Geological Survey. April 29, 1903. Retrieved November 16, 2015.
13. "Centennial Earthquake Catalog". United States Geological Survey. May 13, 1903. Retrieved November 16, 2015.
14. "Centennial Earthquake Catalog". United States Geological Survey. June 2, 1903. Retrieved November 16, 2015.
15. "Centennial Earthquake Catalog". United States Geological Survey. August 11, 1903. Retrieved November 16, 2015.
16. "Significant Earthquake GREECE: MITATA (KYTHERA)". National Geophysical Data Center. August 11, 1903. Retrieved November 16, 2015.
17. "Significant Earthquake IRAN: KASHMAR". National Geophysical Data Center. September 25, 1903. Retrieved November 16, 2015.
18. "Centennial Earthquake Catalog". United States Geological Survey. October 29, 1903. Retrieved November 16, 2015.
19. "Centennial Earthquake Catalog". United States Geological Survey. October 30, 1903. Retrieved November 16, 2015.
20. "Centennial Earthquake Catalog". United States Geological Survey. November 26, 1903. Retrieved November 16, 2015.
21. "Centennial Earthquake Catalog". United States Geological Survey. December 7, 1903. Retrieved November 16, 2015.
22. "Significant Earthquake CHILE: VALLENAR, FREIRINA". National Geophysical Data Center. December 7, 1903. Retrieved November 16, 2015.
23. "Centennial Earthquake Catalog". United States Geological Survey. December 23, 1903. Retrieved November 16, 2015.
24. "Centennial Earthquake Catalog". United States Geological Survey. December 28, 1903. Retrieved November 16, 2015.
25. "Significant Earthquake PHILIPPINES: DAVAO GULF". National Geophysical Data Center. December 28, 1903. Retrieved November 16, 2015.