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Earthquakes in 1903 Approximate epicenters of the earthquakes in 1903
Strongest magnitude Greece , Kythera (Magnitude 8.1) August 11Deadliest Ottoman Empire , Mus Province (Magnitude 6.3) April 28 3,560 deathsTotal fatalities 3,913 9.0+ 0
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.
Note : At least 10 casualties
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
January Strongest magnitude 7.8 Mw Tonga Total fatalities 0 8.0–8.9 0 7.0–7.9 3 6.0–6.9 0
April Strongest magnitude 7.1 Mw Tonga Deadliest 6.3 Mw Ottoman Empire , 3,560 deaths Total fatalities 3,560 8.0–8.9 0 7.0–7.9 1 6.0–6.9 2
June Strongest magnitude 6.9 Mw United States Total fatalities 0 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 Strongest magnitude 8.1 Mw Greece Deadliest 8.1 Mw Greece 2 deaths Total fatalities 2 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 Strongest magnitude 6.5 Mw Iran Deadliest 6.5 Mw Iran 350 deaths Total fatalities 350 8.0–8.9 0 7.0–7.9 0 6.0–6.9 1
November Strongest magnitude 6.7 Mw Russian Empire Total fatalities 0 8.0–8.9 0 7.0–7.9 0 6.0–6.9 1
December Strongest magnitude 7.1 Mw Philippines Deadliest 6.8 Mw Chile 1 death Total fatalities 1 8.0–8.9 0 7.0–7.9 1 6.0–6.9 2
^ "Centennial Earthquake Catalog" . United States Geological Survey. January 4, 1903. Retrieved November 16, 2015 .
^ "M 7.7 – off the coast of Oaxaca, Mexico" . United States Geological Survey. January 14, 1903. Retrieved January 16, 2020 .
^ "M 7.7 – off the coast of Oaxaca, Mexico" . United States Geological Survey. January 14, 1903. Retrieved January 16, 2020 .
^ "M 7.0 – Andreanof Islands, Aleutian Islands, Alaska" . United States Geological Survey. January 17, 1903. Retrieved January 16, 2020 .
^ "Centennial Earthquake Catalog" . United States Geological Survey. February 1, 1903. Retrieved November 16, 2015 .
^ "Centennial Earthquake Catalog" . United States Geological Survey. February 3, 1903. Retrieved November 16, 2015 .
^ "M 6.8 – Rat Islands, Aleutian Islands, Alaska" . United States Geological Survey. February 5, 1903. Retrieved January 17, 2020 .
^ "Significant Earthquake: GUAM" . National Geophysical Data Center . February 10, 1903. Retrieved November 16, 2015 .
^ "Centennial Earthquake Catalog" . United States Geological Survey. February 27, 1903. Retrieved November 16, 2015 .
^ "Significant Earthquake: INDONESIA: TIFU, MASARETE, KAJELI" . National Geophysical Data Center . March 30, 1903. Retrieved November 16, 2015 .
^ "Centennial Earthquake Catalog" . United States Geological Survey. April 19, 1903. Retrieved November 16, 2015 .
^ "Significant Earthquake: TURKEY: MALAZGIRT" . National Geophysical Data Center . April 28, 1903. Retrieved November 16, 2015 .
^ "Centennial Earthquake Catalog" . United States Geological Survey. April 29, 1903. Retrieved November 16, 2015 .
^ "Centennial Earthquake Catalog" . United States Geological Survey. May 13, 1903. Retrieved November 16, 2015 .
^ "M 6.9 – Southern Alaska" . United States Geological Survey. June 2, 1903. Retrieved January 17, 2020 .
^ "Centennial Earthquake Catalog" . United States Geological Survey. August 11, 1903. Retrieved November 16, 2015 .
^ "Significant Earthquake: GREECE: MITATA (KYTHERA)" . National Geophysical Data Center . August 11, 1903. Retrieved November 16, 2015 .
^ "Significant Earthquake: IRAN: KASHMAR" . National Geophysical Data Center . September 25, 1903. Retrieved November 16, 2015 .
^ "Centennial Earthquake Catalog" . United States Geological Survey. October 29, 1903. Retrieved November 16, 2015 .
^ "Centennial Earthquake Catalog" . United States Geological Survey. October 30, 1903. Retrieved November 16, 2015 .
^ "Centennial Earthquake Catalog" . United States Geological Survey. November 26, 1903. Retrieved November 16, 2015 .
^ "Centennial Earthquake Catalog" . United States Geological Survey. December 7, 1903. Retrieved November 16, 2015 .
^ "Significant Earthquake: CHILE: VALLENAR, FREIRINA" . National Geophysical Data Center . December 7, 1903. Retrieved November 16, 2015 .
^ "Centennial Earthquake Catalog" . United States Geological Survey. December 23, 1903. Retrieved November 16, 2015 .
^ "Centennial Earthquake Catalog" . United States Geological Survey. December 28, 1903. Retrieved November 16, 2015 .
^ "Significant Earthquake: PHILIPPINES: DAVAO GULF" . National Geophysical Data Center . December 28, 1903. Retrieved November 16, 2015 .