M 4.0 earthquake – Rat Islands, Aleutian Islands, Alaska
·
Local time: Nov 17, 2003 · 19:07 (UTC+12)
LightShallow · 1.0 km
Reviewed by a seismologist
Loading the map…
- Magnitude
- 4.0body-wave magnitude (mb)
- Depth
- 1.0 kmShallow earthquake
- Epicenter
- 50.329, 178.3681,391 km from Petropavlovsk-Kamchatsky
- Energy released
- 15 tons of TNTless than one Hiroshima bomb
- Felt reports
- —"Did You Feel It?" responses
- Shaking intensity
- —not estimated
- Aftershocks
- 17M2.5+ within 30 km, up to 60 days
- Significance
- 246USGS 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?
Light earthquake. It released 15 tons of TNT, 32 times less than a magnitude 5.0. Bars use the magnitude scale: every step is about 32 times more energy.
Aftershocks
17 earthquakes of M2.5+ within 30 km in the 60 days after.
- 3.0 Rat Islands, Aleutian Islands, Alaska Nov 17, 2003
- 3.3 Rat Islands, Aleutian Islands, Alaska Nov 17, 2003
- 3.7 Rat Islands, Aleutian Islands, Alaska Nov 17, 2003
- 3.6 Rat Islands, Aleutian Islands, Alaska Nov 17, 2003
- 3.6 Rat Islands, Aleutian Islands, Alaska Nov 18, 2003
- 3.4 Rat Islands, Aleutian Islands, Alaska Nov 20, 2003
- 3.5 Rat Islands, Aleutian Islands, Alaska Nov 21, 2003
- 4.4 Rat Islands, Aleutian Islands, Alaska Dec 9, 2003
- 4.3 Rat Islands, Aleutian Islands, Alaska Dec 17, 2003
- 4.3 Rat Islands, Aleutian Islands, Alaska Dec 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
- 7.8 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
- 7.2 238 km SSE of Attu Station, Alaska Sep 8, 1939
- 7.2 207 km WSW of Adak, Alaska Dec 19, 2007