M 6.4 - southeast of the Loyalty Islands
- 2022-03-31 19:50:40 (UTC)
- 22.658°S 170.808°E
- 20.0 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_us7000gysz_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+611.ga196957.dirty
- Github commit
- a19695784b7637e50e277c2da61fff32f41b508b
- Map version
- 6
- Date
- 2022-04-27 19:51:45 (UTC)
| Map Version | Network | Processing Time | Comment |
|---|---|---|---|
| 1 | us | 2022-03-31 20:10:08 (UTC) | "Origin updated" |
| 2 | us | 2022-03-31 20:16:42 (UTC) | "Data association" |
| 3 | us | 2022-03-31 21:50:46 (UTC) | "Scheduled repeat" |
| 4 | us | 2022-04-01 19:51:04 (UTC) | "Scheduled repeat" |
| 5 | us | 2022-04-07 15:23:45 (UTC) | "Origin updated" |
| 6 | us | 2022-04-27 19:51:13 (UTC) | "Origin updated" |
- Reference rock Vs30
- 760.0
- Site correction applied
- GMPE native
Output
| Type | Max Value in Grid | Max Value on Land | Bias |
|---|---|---|---|
| Intensity | 6.578 intensity | - | 0 |
| SA(3.0 s) | 0.02 g | - | 0 |
| SA(1.0 s) | 0.133 g | - | 0 |
| PGA | 0.259 g | - | 0 |
| PGV | 16.219 cms | - | 0 |
| SA(0.3 s) | 0.538 g | - | 0 |
| Type | Latitude | Longitude |
|---|---|---|
| Number of points | 543 | 589 |
| Grid spacing | 0.0083333 degrees | 0.0083333 degrees |
| Span | 4.517 degrees | 4.9 degrees |
| Min | -24.883 degrees | 168.317 degrees |
| Max | -20.367 degrees | 173.217 degrees |
- Mean of map uncertainty
- -
- Empirical ShakeMap grade
- --
- Flagged Seismic Stations
- 0
- Flagged DYFI stations
- 2
Input
- Description
- USGS NEIC ShakeMap
- ID
- us7000gysz
- Magnitude
- 6.4
- Depth
- 20.0 km
- GPS location
- 22.658°S 170.808°E
- Origin time
- 2022-03-31 19:50:40 (UTC)
- Mechanism
- -
- Mechanism source
- RS
- Location
- southeast of the Loyalty Islands
- Fault files
- -
- Fault reference
- Origin
- Number of seismic stations
- 2
- Number of DYFI stations
- 0
Ground Motion Models
| Name | Weight | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.41 | ||||||||||
| 0.59 |
| Name | Weight | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.41 | ||||||||||
| 0.59 |
| Name | Weight | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.41 | ||||||||||
| 0.59 |
| Name | Weight | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.41 | ||||||||||
| 0.59 |
| Name | Weight | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.41 | ||||||||||
| 0.59 |