M 5.4 earthquake – Rat Islands, Aleutian Islands, Alaska
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Local time: Nov 17, 2003 · 18:51 (UTC+12)
ModerateShallow · 33 km
Reviewed by a seismologist
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- Magnitude
- 5.4body-wave magnitude (mb)
- Depth
- 33 kmShallow earthquake
- Epicenter
- 51.458, 178.7041,375 km from Petropavlovsk-Kamchatsky
- Energy released
- 1.9 kilotons of TNTless than one Hiroshima bomb
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 38M2.5+ within 30 km, up to 60 days
- Significance
- 449USGS score, 0–1,000+
Not rare around here
An earthquake at least as strong struck within 300 km on Nov 17, 2003.
How strong was it?
Moderate earthquake. It released 1.9 kilotons of TNT, 4 times the energy of a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
38 earthquakes of M2.5+ within 30 km in the 60 days after.
- 3.4 Rat Islands, Aleutian Islands, Alaska Nov 17, 2003
- 3.3 Rat Islands, Aleutian Islands, Alaska Nov 17, 2003
- 5.1 Rat Islands, Aleutian Islands, Alaska Nov 17, 2003
- 2.9 Rat Islands, Aleutian Islands, Alaska Nov 17, 2003
- 3.9 Rat Islands, Aleutian Islands, Alaska Nov 17, 2003
- 4.5 Rat Islands, Aleutian Islands, Alaska Nov 17, 2003
- 3.4 Rat Islands, Aleutian Islands, Alaska Nov 17, 2003
- 4.1 Rat Islands, Aleutian Islands, Alaska Nov 17, 2003
- 3.2 Rat Islands, Aleutian Islands, Alaska Nov 17, 2003
- 2.7 Rat Islands, Aleutian Islands, Alaska Nov 17, 2003
The strongest earthquakes within 300 km
Since 1900, around United States.
- 8.7 1965 Western Aleutian Islands (Hawadax/Rat Islands) Earthquake Feb 4, 1965
- 8.3 1906 Western Aleutian Islands (Hawadax/Rat Islands) Earthquake Aug 17, 1906
- 7.9 Rat Islands, Aleutian Islands, Alaska Jun 23, 2014
- 7.9 77 km WSW of Adak, Alaska Jun 10, 1996
- 7.8 Rat Islands, Aleutian Islands, Alaska Nov 17, 2003
- 7.6 Rat Islands, Aleutian Islands, Alaska Mar 30, 1965
- 7.4 265 km WSW of Adak, Alaska Feb 4, 1965
- 7.3 88 km WSW of Adak, Alaska Jul 7, 1929