List of earthquakes in 1903

Earthquakes in 1903

class=notpageimage| 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	Greece, Kythera (Magnitude 8.1) August 11
Deadliest	Ottoman Empire,, Mus Province (Magnitude 6.3) April 28 3,560 deaths
Total fatalities	3,913
Number by magnitude
9.0+	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. The countries and their flags are noted as they would have appeared in this year for example the Dutch East Indies being present-day Indonesia. 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	MMI	Depth (km)	Date
1	3,560	6.3	Ottoman Empire, Turkey, Mus Province	X (Extreme)	0.0	April 28
2	350	6.5	Iran, Razavi Khorasan Province	( )	0.0	September 25

• Note: At least 10 casualties

By magnitude

Rank	Magnitude	Death toll	Location	MMI	Depth (km)	Date
1	8.1	2	Greece, Kythera	XI (Extreme)	80.0	August 11
2	7.8	0	Tonga	( )	400.0	January 4
3	7.7	0	Mexico, off the coast of Oaxaca	( )	0.0	January 14
4	7.3	0	Dutch East Indies, south of Java	( )	0.0	February 27
= 5	7.1	0	, Mongolia, Zavkhan Province	( )	0.0	February 1
= 5	7.1	0	Tonga	( )	0.0	April 29
= 5	7.1	0	United States, Philippines, Mindanao	VIII (Severe)	0.0	December 28
= 6	7.0	0	United States, Andreanof Islands, Alaska	( )	0.0	January 17
= 6	7.0	0	United Kingdom,   French Third Republic, New Hebrides	( )	0.0	May 13

• Note: At least 7.0 magnitude

Notable events

January

January

Strongest magnitude	7.8 Mw   Tonga
Total fatalities	0
Number by magnitude
8.0–8.9	0
7.0–7.9	3
6.0–6.9	0

Date	Country and location	Mw	Depth (km)	MMI	Notes	Casualties
						Dead	Injured
4 [1]	Tonga	7.8	400.0
14 [2] [3]	Mexico, off the coast of Oaxaca	7.7	0.0	VI	Depth unknown.
17 [4]	United States, Andreanof Islands, Alaska	7.0	0.0		Depth unknown.

February

February

Strongest magnitude	7.3 Mw   Dutch East Indies
Total fatalities	0
Number by magnitude
8.0–8.9	0
7.0–7.9	2
6.0–6.9	2

Date	Country and location	Mw	Depth (km)	MMI	Notes	Casualties
						Dead	Injured
1 [5]	, Mongolia, Zavkhan Province	7.1	0.0		Depth unknown.
3 [6]	Japan, off the south coast of Honshu	6.5	100.0
5 [7]	United States, Rat Islands, Alaska	6.8	0.0		Depth unknown.
10 [8]	United States, Guam	0.0	0.0	VII	Magnitude and depth unknown. Some homes were damaged.
27 [9]	Dutch East Indies, south of Java	7.3	0.0		Depth unknown.

March

March

Strongest magnitude	6.5 Mw   Dutch East Indies
Total fatalities	0
Number by magnitude
8.0–8.9	0
7.0–7.9	0
6.0–6.9	1

Date	Country and location	Mw	Depth (km)	MMI	Notes	Casualties
						Dead	Injured
30 [10]	Dutch East Indies, Seram	6.5	33.0

April

April

Strongest magnitude	7.1 Mw   Tonga
Deadliest	6.3 Mw Ottoman Empire, 3,560 deaths
Total fatalities	3,560
Number by magnitude
8.0–8.9	0
7.0–7.9	1
6.0–6.9	2

Date	Country and location	Mw	Depth (km)	MMI	Notes	Casualties
						Dead	Injured
19 [11]	Afghanistan, Badakhshan Province	6.9	160.0
28 [12]	Ottoman Empire,, Mus Province	6.3	0.0	X	3,560 deaths were caused by the 1903 Manzikert earthquake. At least 1,001 people were injured. Major damage was caused with over 12,000 homes collapsing. Depth unknown.	3,560	1,001+
29 [13]	Tonga	7.1	0.0		Depth unknown.

May

May

Strongest magnitude	7.0 Mw   French Third Republic,   United Kingdom, New Hebrides
Total fatalities	0
Number by magnitude
8.0–8.9	0
7.0–7.9	1
6.0–6.9	0

Date	Country and location	Mw	Depth (km)	MMI	Notes	Casualties
						Dead	Injured
13 [14]	French Third Republic,   United Kingdom, New Hebrides	7.0	0.0		Depth unknown.

June

June

Strongest magnitude	6.9 Mw   United States
Total fatalities	0
Number by magnitude
8.0–8.9	0
7.0–7.9	0
6.0–6.9	1

Date	Country and location	Mw	Depth (km)	MMI	Notes	Casualties
						Dead	Injured
2 [15]	United States, southern Alaska	6.9	0.0		Depth unknown.

August

August

Strongest magnitude	8.1 Mw Greece
Deadliest	8.1 Mw Greece 2 deaths
Total fatalities	2
Number by magnitude
8.0–8.9	1
7.0–7.9	0
6.0–6.9	0

Date	Country and location	Mw	Depth (km)	MMI	Notes	Casualties
						Dead	Injured
11 [16] [17]	Greece, Kythera	8.1	80.0	XI	2 people were killed and some damage was caused.	2

September

September

Strongest magnitude	6.5 Mw   Iran
Deadliest	6.5 Mw   Iran 350 deaths
Total fatalities	350
Number by magnitude
8.0–8.9	0
7.0–7.9	0
6.0–6.9	1

Date	Country and location	Mw	Depth (km)	MMI	Notes	Casualties
						Dead	Injured
25 [18]	Iran, Razavi Khorasan Province	6.5	0.0		350 people died. Depth unknown.	350

October

October

Strongest magnitude	6.9 Mw   French Third Republic,   United Kingdom, New Hebrides
Total fatalities	0
Number by magnitude
8.0–8.9	0
7.0–7.9	0
6.0–6.9	2

Date	Country and location	Mw	Depth (km)	MMI	Notes	Casualties
						Dead	Injured
29 [19]	French Third Republic,   United Kingdom, New Hebrides	6.9	0.0		Depth unknown.
30 [20]	United Kingdom, Fiji	6.8	0.0		Depth unknown.

November

November

Strongest magnitude	6.7 Mw   Russian Empire
Total fatalities	0
Number by magnitude
8.0–8.9	0
7.0–7.9	0
6.0–6.9	1

Date	Country and location	Mw	Depth (km)	MMI	Notes	Casualties
						Dead	Injured
26 [21]	Russian Empire, Lake Baykal	6.7	30.0

December

December

Strongest magnitude	7.1 Mw Philippines
Deadliest	6.8 Mw   Chile 1 death
Total fatalities	1
Number by magnitude
8.0–8.9	0
7.0–7.9	1
6.0–6.9	2

Date	Country and location	Mw	Depth (km)	MMI	Notes	Casualties
						Dead	Injured
7 [22] [23]	Chile, Atacama Region	6.8	0.0	VIII	1 person died and some damage was reported.	1
23 [24]	United Kingdom, Solomon Islands, Santa Cruz Islands	6.8	0.0		Depth unknown
28 [25] [26]	United States Philippines, east of Mindanao	7.1	0.0	VIII	Some damage was caused. Depth unknown.

References

1. "Centennial Earthquake Catalog". United States Geological Survey. January 4, 1903. Retrieved November 16, 2015.
2. "M 7.7 - off the coast of Oaxaca, Mexico". United States Geological Survey. January 14, 1903. Retrieved January 16, 2020.
3. "M 7.7 - off the coast of Oaxaca, Mexico". United States Geological Survey. January 14, 1903. Retrieved January 16, 2020.
4. "M 7.0 - Andreanof Islands, Aleutian Islands, Alaska". United States Geological Survey. January 17, 1903. Retrieved January 16, 2020.
5. "Centennial Earthquake Catalog". United States Geological Survey. February 1, 1903. Retrieved November 16, 2015.
6. "Centennial Earthquake Catalog". United States Geological Survey. February 3, 1903. Retrieved November 16, 2015.
7. "M 6.8 - Rat Islands, Aleutian Islands, Alaska". United States Geological Survey. February 5, 1903. Retrieved January 17, 2020.
8. "Significant Earthquake: GUAM". National Geophysical Data Center. February 10, 1903. Retrieved November 16, 2015.
9. "Centennial Earthquake Catalog". United States Geological Survey. February 27, 1903. Retrieved November 16, 2015.
10. "Significant Earthquake: INDONESIA: TIFU, MASARETE, KAJELI". National Geophysical Data Center. March 30, 1903. Retrieved November 16, 2015.
11. "Centennial Earthquake Catalog". United States Geological Survey. April 19, 1903. Retrieved November 16, 2015.
12. "Significant Earthquake: TURKEY: MALAZGIRT". National Geophysical Data Center. April 28, 1903. Retrieved November 16, 2015.
13. "Centennial Earthquake Catalog". United States Geological Survey. April 29, 1903. Retrieved November 16, 2015.
14. "Centennial Earthquake Catalog". United States Geological Survey. May 13, 1903. Retrieved November 16, 2015.
15. "M 6.9 - Southern Alaska". United States Geological Survey. June 2, 1903. Retrieved January 17, 2020.
16. "Centennial Earthquake Catalog". United States Geological Survey. August 11, 1903. Retrieved November 16, 2015.
17. "Significant Earthquake: GREECE: MITATA (KYTHERA)". National Geophysical Data Center. August 11, 1903. Retrieved November 16, 2015.
18. "Significant Earthquake: IRAN: KASHMAR". National Geophysical Data Center. September 25, 1903. Retrieved November 16, 2015.
19. "Centennial Earthquake Catalog". United States Geological Survey. October 29, 1903. Retrieved November 16, 2015.
20. "Centennial Earthquake Catalog". United States Geological Survey. October 30, 1903. Retrieved November 16, 2015.
21. "Centennial Earthquake Catalog". United States Geological Survey. November 26, 1903. Retrieved November 16, 2015.
22. "Centennial Earthquake Catalog". United States Geological Survey. December 7, 1903. Retrieved November 16, 2015.
23. "Significant Earthquake: CHILE: VALLENAR, FREIRINA". National Geophysical Data Center. December 7, 1903. Retrieved November 16, 2015.
24. "Centennial Earthquake Catalog". United States Geological Survey. December 23, 1903. Retrieved November 16, 2015.
25. "Centennial Earthquake Catalog". United States Geological Survey. December 28, 1903. Retrieved November 16, 2015.
26. "Significant Earthquake: PHILIPPINES: DAVAO GULF". National Geophysical Data Center. December 28, 1903. Retrieved November 16, 2015.