Max Est. MMI
19 km SE of Silver Springs, Nevada
Ground Shaking Intensities — Interpolated ShakeMap MMI
3 sites| Location | MMI Description |
|---|---|
|
Silver Springs
NV |
Light(IV) |
|
Stagecoach
NV |
Weak(III) |
|
Yerington
NV |
Weak(III) |
Seismic Station Observed MMI
MMI values are derived directly from observed ground motion measurements at seismic stations and are not spatially interpolated.
| Station | MMI Description |
|---|---|
| Yerington, Nevada w84gm (NN.YER) | Weak(II) |
| Pah Rah Range, Nevada w84gm (NN.PAH) | Weak(II) |
| Redfield Campus, S. Reno, Nevada (NN.REDF) | Weak(II) |
Engineering Ground Motion Parameters
GMPE predictions provide an independent check on the ShakeMap interpolated intensities above.
ShakeMap relies on seismic station recordings; in areas with sparse station coverage — or
for large teleseismic events and earthquakes outside dense West Coast networks — ShakeMap
MMI can be inaccurate. A significant difference between ShakeMap and GMPE estimates is a signal
that the ShakeMap result should be treated as preliminary.
Also includes site Vs30 values and raw ground motion parameters (PGA/PGV).
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Engineering Ground Motion Parameters
GMPE predictions provide an independent check on the ShakeMap interpolated intensities above. ShakeMap relies on seismic station recordings; in areas with sparse station coverage — or for large teleseismic events and earthquakes outside dense West Coast networks — ShakeMap MMI can be inaccurate. A significant difference between ShakeMap and GMPE estimates is a signal that the ShakeMap result should be treated as preliminary. Also includes site Vs30 values and raw ground motion parameters (PGA/PGV).
Est. Vs30 Values
Estimated shear-wave velocity in the upper 30 m used in GMPE calculations. Ref. column shows the 760 m/s rock-site reference for comparison.
| Location | Ref. (760 m/s) | Est. Vs30 (m/s) |
|---|---|---|
|
Silver Springs
NV |
760 | 322 |
|
Stagecoach
NV |
760 | 370 |
|
Yerington
NV |
760 | 207 |
MMI vs Distance — Default Vs30 (760 m/s)
All methods using the 760 m/s rock-site reference. ShakeMap values are independent of Vs30.
MMI vs Distance — Est. Vs30
GMPEs use the Est. Vs30 values shown in the table above. ShakeMap values are independent of Vs30.
GMPE Performance — Station Observations
Statistics computed by comparing each GMPE's predicted MMI against ShakeMap observed MMI at seismic stations. Bias = mean(observed − predicted). Lower RMSE indicates better overall agreement with instrumental measurements.
| GMPE | Bias | Sigma | RMSE |
|---|---|---|---|
| ASK14 | +0.44 | 0.44 | 0.62 |
| BSSA14 | +0.43 | 0.44 | 0.61 |
| CY14 | +0.47 | 0.48 | 0.67 |
| CB14 | +0.47 | 0.48 | 0.67 |
Peak Ground Motion — Seismic Station Observations
Recorded PGA and PGV at seismic stations, sorted by highest PGA. Top 25 stations shown. MMI (PGA) and MMI (PGV) are independent conversions via Worden et al. (2012) GMICE.
| Station | PGA (g) | MMI (PGA) | PGV (cm/s) | MMI (PGV) |
|---|---|---|---|---|
| Buffalo Canyon, Nevada w84gm (NN.BFC) | 0.0084 | Weak(II) | 0.327 | Weak(III) |
| Yerington, Nevada w84gm (NN.YER) | 0.0035 | Not felt(I) | 0.152 | Weak(II) |
| Bishop Manogue Catholic High School, Reno, NV (NN.BMHS) | 0.0021 | Not felt(I) | 0.193 | Weak(II) |
| Winnemucca Valley, Nevada w84 (NN.WVA) | 0.0021 | Not felt(I) | 0.092 | Weak(II) |
| Queen Bee, Mono County, California (NN.QNBC) | 0.0020 | Not felt(I) | 0.051 | Not felt(I) |
| Bald Mtn, NV (NN.BALD) | 0.0020 | Not felt(I) | 0.101 | Weak(II) |
| Rockland Comm. Site (NN.RKLD) | 0.0019 | Not felt(I) | 0.086 | Weak(II) |
| Kaiserville, Nevada w84gm (NN.KVN) | 0.0017 | Not felt(I) | 0.076 | Weak(II) |
| Redfield Campus, S. Reno, Nevada (NN.REDF) | 0.0016 | Not felt(I) | 0.060 | Weak(II) |
| Pah Rah Range, Nevada w84gm (NN.PAH) | 0.0016 | Not felt(I) | 0.104 | Weak(II) |
| Thunderbird Lodge, Lake Tahoe, NV (NN.TBRD) | 0.0014 | Not felt(I) | 0.057 | Weak(II) |
| Antelope Valley (NC.MAV) | 0.0014 | Not felt(I) | 0.088 | Weak(II) |
| Washoe County DEM, Nevada (NN.WDEM) | 0.0014 | Not felt(I) | 0.088 | Weak(II) |
| Zephyr Cove, Lake Tahoe, Nevada (NN.ZPR) | 0.0013 | Not felt(I) | 0.066 | Weak(II) |
| Bunker Hill, Placer County, CA (NN.BUNK) | 0.0013 | Not felt(I) | 0.035 | Not felt(I) |
| Minden/Gardnerville Fire Stn RT130-ANSS w84gm (NN.MND1) | 0.0012 | Not felt(I) | 0.086 | Weak(II) |
| TV Hill 1, Hawthorne, NV (NN.TVH1) | 0.0012 | Not felt(I) | 0.067 | Weak(II) |
| Washoe Valley, Nevada;Laurence Kaplan Property (NN.WASH) | 0.0012 | Not felt(I) | 0.052 | Not felt(I) |
| Sage Hen site 5, Independence Lake, CA (NN.SAG5) | 0.0012 | Not felt(I) | 0.072 | Weak(II) |
| Chalk Mountain, Churchill County, NV, USA (NN.CMK6) | 0.0011 | Not felt(I) | 0.042 | Not felt(I) |
| Weber Reservoir, near Camino (BK.WEBR) | 0.0011 | Not felt(I) | 0.032 | Not felt(I) |
| Lower Ebbet's Pass, California (NN.EBPB) | 0.0011 | Not felt(I) | 0.040 | Not felt(I) |
| Pyramid Lake 2 (NN.PYM2) | 0.0011 | Not felt(I) | 0.057 | Weak(II) |
| Weller Cave, Western Cave Conservancy, Sutter Creek, CA (BK.WELL) | 0.0011 | Not felt(I) | 0.036 | Not felt(I) |
| Blue Mountain (BK.BLUE) | 0.0010 | Not felt(I) | 0.040 | Not felt(I) |