M 3.5 - 14km SSW of Tehachapi, CA
- 2020-04-04 03:17:46 (UTC)
- 35.010°N 118.499°W
- 2.4 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 |
|---|---|---|
| Basin | None | None |
| Directivity | None | None |
| GMPE | BA08 | Boore and Atkinson (2008) |
| IPE | DefaultIPE | ShakeMap Manual (2015) |
| mi2pgm | WGRW11 | Worden et al. (2012) |
| pgm2mi | WGRW11 | Worden et al. (2012) |
- Max magnitude to compute bias
- 7
- Maximum distance to include station in bias
- 120
- Use log amp to compute bias
- yes
- Max allowed bias
- 2
- Use log amp to compute bias
- -2
- Min # of stations necessary to compute bias
- 6
- Norm of the bias
- l1
- Median distance used
- no
- Outlier level (# of std dev)
- 4
- Max magnitude to flag outliers
- 7
- Code
- 3.5.1604
- Github commit
- -
- Map version
- 4
- Date
- 2020-04-05 03:17:56 (UTC)
- Reference rock Vs30
- 686
- Site correction applied
- GMPE native
| Type | ROI | Observation Decay |
|---|---|---|
| 10 | 0.5 | |
| 10 | 0.5 |
Output
| Type | Max Value in Grid | Max Value on Land | Bias |
|---|---|---|---|
| Intensity | 4.73 intensity | 4.73 intensity | 0.21 |
| PGA | 13.4 %g | 13.4 %g | 0.0521 |
| PGV | 2.72 cm/s | 2.72 cm/s | 0.1393 |
| Type | Latitude | Longitude |
|---|---|---|
| Number of points | 201 count | 301 count |
| Grid spacing | 0.925 km | 0.761 km |
| Span | 1.6666675 degrees | 2.5 degrees |
| Max | 35.8435329166667 degrees | -117.2487 degrees |
| Min | 34.17686625 degrees | -119.7487 degrees |
- Mean of map uncertainty
- -
- Empirical ShakeMap grade
- -
- Flagged Seismic Stations
- -
- Flagged DYFI stations
- 150
Input
- Description
- 14.3 km (8.9 mi) SSW of Tehachapi, CA
- ID
- 39127167
- Magnitude
- 3.5
- Depth
- 2.4 km
- GPS location
- 35.010°N 118.499°W
- Origin time
- 2020-04-04 03:17:46 (UTC)
- Mechanism
- Unknown
- Mechanism source
- ALL
- Location
- 14.3 km (8.9 mi) SSW of Tehachapi, CA
- Fault files
- -
- Fault reference
- -
- Number of seismic stations
- 541
- Number of DYFI stations
- -