Earthquake 20170921-10

2017-09-21 10:39:32.200 49.2 km 3.9 Mwr
31.9034°N, 50.1691°E
341 km NW of Shiraz, Iran
Time Error: 0.27 s Depth Error: 45.6 km
Num. Stations: 8 Time RMS: 0.13 s
Num. Phases: 9 Azimuth Gap: 338°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type: Seismic
 

MANUALLY REVIEWED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
4.2 ML 12 0.10 NCMS System-search
2.6 mb_Lg 3 0.30 NCMS System-search
4.2 M 20 0.30 NCMS System-search
4.4 Mwr 45 0 NCMS System-search
Emblem-favorite 3.9 Mwr 0 0 NCMS System-search
3.9 M 0 0 NCMS System-search

Origin Details

Ellipse Major:73.50 km Min. Distance:8.37° Fixed Depth:no
Ellipse Minor:47.40 km Max. Distance:9.34° Fixed Phase:no
Ellipse Strike:56.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Suspected Earthquake
External Event ID:HYDRA_RED@18545 External Origin ID:HYDRA_RED@37101

Error Ellipse

Azimuth Dip Magnitude Action
Max 56° 173.5 km System-search
Intermediate 146° 112.5 km System-search
Min 322° 81° 67.9 km System-search
Type Traces % DC Misfit/Var. Red. Centroid Best Double Couple Moment Tensor Action
M0 Plane Strike Dip Rake Mrr Mrt Mrp Mtt Mtp Mpp
Ffffffff RMT 45 59% 0.17 82.0 km 5e+15 nt-m NP1
NP2
206.0
345.0
31.0
66.0
126.0
70.0
3e+15 -9.14e+14 2.77e+15 1.42e+15 -2.9e+14 -4.43e+15 System-search
Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
BH.SAK.--.HHZ 2017-09-21 10:42:41.760 10.3 1.08 s 2.7 mb_Lg 5.91° 176.8° System-search
AE.MSF.--.HHE 2017-09-21 10:43:06.759 54.4 1.03 s 4.7 ML 8.37° 139.5° System-search
DN.FAQ.--.HHN 2017-09-21 10:43:08.990 172.7 1.29 s 5.3 ML 8.58° 144.8° System-search
OM.MDH.--.HHN 2017-09-21 10:43:09.049 11.4 0.91 s 4.1 ML 8.50° 139.2° System-search
DN.NAZ.--.HHE 2017-09-21 10:43:09.539 17.1 1.24 s 4.2 ML 8.41° 143.6° System-search
DN.HAT.--.HHE 2017-09-21 10:43:12.579 10.7 1.09 s 4.1 ML 8.79° 141.8° System-search
OM.ASH.--.HHE 2017-09-21 10:43:20.039 11.4 0.66 s 4.2 ML 8.87° 142.7° System-search
OM.ASH.--.HHZ 2017-09-21 10:44:14.460 6.1 1.25 s 2.7 mb_Lg 8.87° 142.7° System-search
DN.HAT.--.HHZ 2017-09-21 10:44:20.960 3.2 1.01 s 2.4 mb_Lg 8.79° 141.8° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
AE.MSF.--.HHZ Pn 2017-09-21 10:41:30.799 -0.10 s 8.37° 139.5° yes Time System-search
DN.NAZ.--.HHZ Pn 2017-09-21 10:41:31.279 -0.30 s 8.41° 143.6° no Time System-search
OM.MDH.--.HHZ Pn 2017-09-21 10:41:32.769 0 s 8.50° 139.2° yes Time System-search
DN.FAQ.--.HHZ Pn 2017-09-21 10:41:33.839 0 s 8.58° 144.8° no Time System-search
DN.HAT.--.HHZ Pn 2017-09-21 10:41:36.630 -0.10 s 8.79° 141.8° no Time System-search
OM.ASH.--.HHZ Pn 2017-09-21 10:41:38.009 0.20 s 8.87° 142.7° no Time System-search
AE.ALN.--.HHZ Pn 2017-09-21 10:41:42.970 0.10 s 9.24° 146.4° no Time System-search
AE.MZR.--.HHZ Pn 2017-09-21 10:41:44.210 0 s 9.34° 160.9° yes Time System-search
AE.MSF.--.HHZ Sn 2017-09-21 10:43:04.319 0.20 s 8.37° 139.5° no Time System-search

Shake Maps

None

Ground Motion

None

Event 20170921-10

Time: 2017-09-21 10:39:32.200
Position:31.9034°N, 50.1691°E
Place:
Major Place:341 km NW of Shiraz, Iran
Depth:49.2 km
Magnitude:3.9 Mwr