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Strong mag. 5.6 earthquake - Clackamas County, 22 mi east of Salem (Oregon), Marion County, Oregon, USA, on Thursday, March 25, 1993 at 13:34 GMT

Strong mag. 5.6 earthquake - Clackamas County, 22 mi east of Salem (Oregon), Marion County, Oregon, USA, on Thursday, March 25, 1993 at 13:34 GMT Strong mag. 5.6 earthquake - Clackamas County, 22 mi east of Salem (Oregon), Marion County, Oregon, USA, on Thursday, March 25, 1993 at 13:34 GMT

Strong magnitude 5.6 earthquake at 20 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.

Earthquake details

Date & timeMar 25, 1993 13:34:35 UTC
Local time at epicenter
StatusConfirmed
Magnitude5.6
Depth19.6 km
Epicenter latitude / longitude45.03517°N / 122.6065°W (Clackamas, Oregon, United States)
Antipode45.035°S / 57.394°E
Shaking intensityModerate shaking near epicenter
Felt0 reports
Primary data sourceUSGS (United States Geological Survey)
Nearest volcanoBoring Lava (31 km / 19 mi)
Nearby towns and cities5 km (3 mi) E of Scotts Mills (pop: 367) | Show on map | Quakes nearby
23 km (14 mi) ESE of Woodburn (pop: 25,200) | Show on map | Quakes nearby
26 km (16 mi) SSE of Canby (pop: 17,300) | Show on map | Quakes nearby
33 km (21 mi) E of Keizer (pop: 37,900) | Show on map | Quakes nearby
35 km (22 mi) ENE of Salem (Oregon) (pop: 164,500) | Show on map | Quakes nearby
36 km (22 mi) S of Oregon City (pop: 35,800) | Show on map | Quakes nearby
43 km (27 mi) S of Lake Oswego (pop: 38,500) | Show on map | Quakes nearby
46 km (29 mi) SSE of Tigard (pop: 51,300) | Show on map | Quakes nearby
55 km (34 mi) S of Portland (pop: 632,300) | Show on map | Quakes nearby
67 km (42 mi) S of Vancouver (Washington) (pop: 172,900) | Show on map | Quakes nearby
Estimated seismic energy released1.6 x 1013 joules (4.4 gigawatt hours, equivalent to 3788 tons of TNT or 0.2 atomic bombs!) | about seismic energy
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag.DepthLocationSource
5.620 kmOregon (USA)USGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.
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Aftershocks

[More info]

Recorded aftershocks, latest first (23 quakes)

Date and timeMag
Depth
LocationDetails
May 23, 1993 18:52
29 years ago
2.1

4.9 km
Oregon (USA)More
May 21, 1993 17:06
29 years ago
2.4

7.3 km
Oregon (USA)More
Apr 19, 1993 18:28
29 years ago
2.1

22 km
Oregon (USA)More
Apr 15, 1993 06:44
29 years ago
2.1

18 km
Oregon (USA)More
Apr 8, 1993 06:24
29 years ago
2.0

19 km
Oregon (USA)More
Apr 7, 1993 04:32
29 years ago
2.4

21 km
Oregon (USA)More
Apr 6, 1993 09:47
29 years ago
2.2

3.7 km
Oregon (USA)More
Mar 27, 1993 22:24
29 years ago
2.2

14 km
Oregon (USA)More
Mar 27, 1993 14:38
29 years ago
2.7

19 km
14 mi SE of Woodburn, Marion County, Oregon, USAMore
Mar 27, 1993 05:40
29 years ago
2.3

13 km
Oregon (USA)More
Mar 26, 1993 18:43
29 years ago
2.4

16 km
Oregon (USA)More
Mar 26, 1993 17:39
29 years ago
3.1

20 km
21 mi E of Salem (Oregon), Marion County, Oregon, USAMore
Mar 26, 1993 16:54
29 years ago
3.0

13 km
21 mi E of Salem (Oregon), Marion County, Oregon, USAMore
Mar 26, 1993 08:00
29 years ago
2.8

16 km
14 mi SE of Woodburn, Marion County, Oregon, USAMore
Mar 26, 1993 05:18
29 years ago
2.8

16 km
Clackamas County, 14 mi SE of Woodburn, Marion County, Oregon, USAMore
Mar 25, 1993 21:03
29 years ago
2.6

20 km
Oregon (USA)More
Mar 25, 1993 20:08
29 years ago
2.0

17 km
Oregon (USA)More
Mar 25, 1993 18:08
29 years ago
2.2

4.8 km
Oregon (USA)More
Mar 25, 1993 15:35
29 years ago
3.2

13 km
Clackamas County, 22 mi E of Salem (Oregon), Marion County, Oregon, USAMore
Mar 25, 1993 14:58
29 years ago
2.4

20 km
Oregon (USA)More
Mar 25, 1993 14:20
29 years ago
3.0

19 km
Clackamas County, 22 mi E of Salem (Oregon), Marion County, Oregon, USAMore
Mar 25, 1993 14:00
29 years ago
2.2

19 km
Oregon (USA)More
Mar 25, 1993 13:55
29 years ago
2.2

13 km
Oregon (USA)More

Earlier earthquakes in the same area

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