M 6.5 - 153 km WSW of Xining, China
- 1990-04-26 09:37:15 (UTC)
- 35.986°N 100.245°E
- 8.1 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_usp00048gu_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
- 2020-06-03 14:35:52 (UTC)
| Map Version | Network | Processing Time | Comment |
|---|---|---|---|
| 1 | atlas | 2020-06-03 14:35:40 (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) | 0.883 g | 0.883 g | - |
| SA(0.3 s) | 1.525 g | 1.525 g | - |
| SA(3.0 s) | 0.311 g | 0.311 g | - |
| PGV | 4.437 cms | 4.437 cms | - |
| PGA | 0.645 g | 0.645 g | - |
| Intensity | 8.709 intensity | 8.709 intensity | - |
| Type | Latitude | Longitude |
|---|---|---|
| Number of points | 378 | 484 |
| Grid spacing | 0.0166667 degrees | 0.0166667 degrees |
| Span | 6.283 degrees | 8.05 degrees |
| Min | 32.8 degrees | 96.45 degrees |
| Max | 39.083 degrees | 104.5 degrees |
- Mean of map uncertainty
- -
- Empirical ShakeMap grade
- --
- Flagged Seismic Stations
- 0
- Flagged DYFI stations
- 0
Input
- Description
- ShakeMap Atlas v4
- ID
- usp00048gu
- Magnitude
- 6.5
- Depth
- 8.1 km
- GPS location
- 35.986°N 100.245°E
- Origin time
- 1990-04-26 09:37:15 (UTC)
- Mechanism
- -
- Mechanism source
- RS
- Location
- southern Qinghai, China
- Fault files
- -
- Fault reference
- Chen, Y. T., L. S. Xu, X. Li, and M. Zhao (1996). Source process of the 1990 Gonghe, China, earthquake and tectonic stress field in the northeastern Qinghai-Xizang (Tibetan) plateau, Pure Appl. Geophys. 146, 19pp.
- 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 |