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 |