M 5.2 - Rat Islands, Aleutian Islands, Alaska
- 2022-08-14 14:43:38 (UTC)
- 52.108°N 178.198°E
- 134.0 km depth
ShakeMap
- The data below are the most preferred data available
- The data below have NOT been reviewed by a scientist.
Processing
Type | Module | Reference |
---|---|---|
GMPE | gmpe_ak022ae01thm_custom | |
IPE | VirtualIPE | |
GMICE | WGRW12 | |
CCF | LothBaker2013 | |
Basin | None | |
Directivity | None |
- Max magnitude to compute bias
- 7.0
- Maximum distance to include station in bias
- 120.0
- Use log amp to compute bias
- -
- Max allowed bias
- -
- Use log amp to compute bias
- -
- Min # of stations necessary to compute bias
- -
- Norm of the bias
- -
- Median distance used
- True
- Outlier level (# of std dev)
- 3.0
- Max magnitude to flag outliers
- 7.0
- Code
- 4.0.2+442.g4808b2c.dirty
- Github commit
- 4808b2c51b72874ee70a5cc986aaa0434c173b53
- Map version
- 8
- Date
- 2022-08-14 15:59:55 (UTC)
Map Version | Network | Processing Time | Comment |
---|---|---|---|
1 | ak | 2022-08-14 14:45:47 (UTC) | automatic run |
2 | ak | 2022-08-14 14:59:55 (UTC) | automatic run |
3 | ak | 2022-08-14 15:03:46 (UTC) | automatic run |
4 | ak | 2022-08-14 15:07:40 (UTC) | automatic run |
5 | ak | 2022-08-14 15:11:32 (UTC) | automatic run |
6 | ak | 2022-08-14 15:15:18 (UTC) | automatic run |
7 | ak | 2022-08-14 15:55:52 (UTC) | automatic run |
8 | ak | 2022-08-14 15:59:37 (UTC) | automatic run |
- Reference rock Vs30
- 760.0
- Site correction applied
- GMPE native
Output
Type | Max Value in Grid | Max Value on Land | Bias |
---|---|---|---|
PGA | 0.009 g | 0.008 g | - |
SA(0.3 s) | 0.013 g | 0.012 g | - |
Intensity | 3.616 intensity | 3.561 intensity | - |
SA(3.0 s) | 0 g | 0 g | - |
PGV | -1.29 cms | -1.482 cms | - |
SA(1.0 s) | 0.003 g | 0.002 g | - |
Type | Latitude | Longitude |
---|---|---|
Number of points | 375 | 607 |
Grid spacing | 0.0166667 degrees | 0.0166667 degrees |
Span | 6.233 degrees | 10.1 degrees |
Min | 48.717 degrees | 173.4 degrees |
Max | 54.95 degrees | 183.5 degrees |
- Mean of map uncertainty
- -
- Empirical ShakeMap grade
- --
- Flagged Seismic Stations
- 0
- Flagged DYFI stations
- 0
Input
- Description
- 78 km (48 miles) NW of Amchitka
- ID
- ak022ae01thm
- Magnitude
- 5.2
- Depth
- 132.7 km
- GPS location
- 51.948°N 178.097°E
- Origin time
- 2022-08-14 14:43:38 (UTC)
- Mechanism
- -
- Mechanism source
- ALL
- Location
- 78 km (48 miles) NW of Amchitka
- Fault files
- -
- Fault reference
- Origin
- Number of seismic stations
- 0
- Number of DYFI stations
- 0
Ground Motion Models
Name | Weight | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
| 1.00 |
Name | Weight | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
| 1.00 |
Name | Weight | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
| 1.00 |
Name | Weight | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
| 1.00 |
Name | Weight | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
| 1.00 |