M 7.0 - 71 km SW of Adak, Alaska
- 1971-05-02 06:08:27 (UTC)
- 51.396°N 177.318°W
- 24.2 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_iscgem784013_custom | |
| IPE | VirtualIPE | |
| GMICE | WGRW12 | |
| CCF | LothBaker2013 | |
| Basin | None | |
| Directivity | None |
- Max magnitude to compute bias
- 7.7
- 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+335.gcbad862.dirty
- Github commit
- cbad8622bd520e1936447620edfb3a4feea1a8d9
- Map version
- 1
- Date
- 2020-06-06 09:11:03 (UTC)
| Map Version | Network | Processing Time | Comment |
|---|---|---|---|
| 1 | atlas | 2020-06-06 09:09:52 (UTC) | ShakeMap Atlas v4 |
- Reference rock Vs30
- 760.0
- Site correction applied
- GMPE native
Output
| Type | Max Value in Grid | Max Value on Land | Bias |
|---|---|---|---|
| SA(1.0 s) | 0.198 g | 0.198 g | - |
| PGV | 2.918 cms | 2.918 cms | - |
| Intensity | 6.584 intensity | 6.584 intensity | - |
| PGA | 0.252 g | 0.252 g | - |
| SA(0.3 s) | 0.579 g | 0.579 g | - |
| SA(3.0 s) | 0.031 g | 0.031 g | - |
| Type | Latitude | Longitude |
|---|---|---|
| Number of points | 459 | 733 |
| Grid spacing | 0.0083333 degrees | 0.0083333 degrees |
| Span | 3.817 degrees | 6.1 degrees |
| Min | 49.45 degrees | -180.233 degrees |
| Max | 53.267 degrees | -174.133 degrees |
- Mean of map uncertainty
- -
- Empirical ShakeMap grade
- --
- Flagged Seismic Stations
- 0
- Flagged DYFI stations
- 0
Input
- Description
- ShakeMap Atlas v4
- ID
- iscgem784013
- Magnitude
- 7.0
- Depth
- 24.2 km
- GPS location
- 51.396°N 177.318°W
- Origin time
- 1971-05-02 06:08:27 (UTC)
- Mechanism
- -
- Mechanism source
- RS
- Location
- Andreanof Islands, Aleutian Islands, Alaska
- Fault files
- -
- Fault reference
- Origin
- Number of seismic stations
- 0
- Number of DYFI stations
- 0
Ground Motion Models
| Name | Weight | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.00 | ||||||||||
| 0.99 | ||||||||||
| 0.00 |
| Name | Weight | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.00 | ||||||||||
| 0.99 | ||||||||||
| 0.00 |
| Name | Weight | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.00 | ||||||||||
| 0.99 | ||||||||||
| 0.00 |
| Name | Weight | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.00 | ||||||||||
| 0.99 | ||||||||||
| 0.00 |
| Name | Weight | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.00 | ||||||||||
| 0.99 | ||||||||||
| 0.00 |