M 7.7 - 53 km SW of Iquique, Chile
- 2014-04-03 02:43:13 (UTC)
- 20.571°S 70.493°W
- 22.4 km depth
ShakeMap
- The data below are the most preferred data available
- The data below have been reviewed by a scientist
Processing
| Type | Module | Reference |
|---|---|---|
| GMPE | gmpe_usc000p27i_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
- Github commit
- cbad8622bd520e1936447620edfb3a4feea1a8d9
- Map version
- 1
- Date
- 2020-08-10 17:24:21 (UTC)
| Map Version | Network | Processing Time | Comment |
|---|---|---|---|
| 1 | atlas | 2020-08-10 17:21:43 (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 |
|---|---|---|---|
| Intensity | 8.758 intensity | 8.642 intensity | 0.875 |
| SA(0.3 s) | 1.09 g | 0.995 g | 0.218 |
| SA(3.0 s) | 0.113 g | 0.113 g | 0.421 |
| SA(1.0 s) | 0.77 g | 0.752 g | 0.636 |
| PGA | 0.645 g | 0.559 g | 0.408 |
| PGV | 4.227 cms | 4.189 cms | 0.53 |
| Type | Latitude | Longitude |
|---|---|---|
| Number of points | 512 | 540 |
| Grid spacing | 0.0166667 degrees | 0.0166667 degrees |
| Span | 8.517 degrees | 8.983 degrees |
| Min | -24.583 degrees | -74.933 degrees |
| Max | -16.067 degrees | -65.95 degrees |
- Mean of map uncertainty
- 1.015
- Empirical ShakeMap grade
- C
- Flagged Seismic Stations
- 2
- Flagged DYFI stations
- 0
Input
- Description
- ShakeMap Atlas v4
- ID
- usc000p27i
- Magnitude
- 7.7
- Depth
- 22.4 km
- GPS location
- 20.571°S 70.493°W
- Origin time
- 2014-04-03 02:43:13 (UTC)
- Mechanism
- -
- Mechanism source
- RS
- Location
- 53km SW of Iquique, Chile
- Fault files
- -
- Fault reference
- -
- Number of seismic stations
- 0
- Number of DYFI stations
- 10
Ground Motion Models
| Name | Weight | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.11 | ||||||||||
| 0.89 |
| Name | Weight | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.11 | ||||||||||
| 0.89 |
| Name | Weight | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.11 | ||||||||||
| 0.89 |
| Name | Weight | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.11 | ||||||||||
| 0.89 |
| Name | Weight | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.11 | ||||||||||
| 0.89 |