Earthquake 20170923-8

2017-09-23 15:54:01.030 31.3 km 4.1 Mwr
25.8135°N, 62.8455°E
434 km W of Karachi, Pakistan
Time Error: 3.47 s Depth Error: 13.4 km
Num. Stations: 16 Time RMS: 1.71 s
Num. Phases: 17 Azimuth Gap: 213°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type: Seismic
 

MANUALLY REVIEWED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
4.3 ML 26 0.10 NCMS System-search
2.9 mb_Lg 10 0.20 NCMS System-search
4.7 M 37 0.30 NCMS System-search
5.0 mb 2 0.40 NCMS System-search
Emblem-favorite 4.1 Mwr 56 0 NCMS System-search
4.1 Mwr 0 0 NCMS System-search
4.1 M 0 0 NCMS System-search
4.5 Mwp 5 0.10 NCMS System-search

Origin Details

Ellipse Major:31.10 km Min. Distance:4.86° Fixed Depth:no
Ellipse Minor:8.80 km Max. Distance:24.41° Fixed Phase:no
Ellipse Strike:141.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Suspected Earthquake
External Event ID:HYDRA_RED@18573 External Origin ID:HYDRA_RED@37153

Error Ellipse

Azimuth Dip Magnitude Action
Max 142° 73.1 km System-search
Intermediate 235° 39° 22.0 km System-search
Min 48° 50° 18.4 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 56 46% 0.23 42.0 km 2e+15 nt-m NP1
NP2
115.0
235.0
65.0
43.0
127.0
38.0
9.14e+14 5.81e+14 -3.64e+14 -1.63e+15 -9.46e+13 7.2e+14 System-search
Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
OM.BID.--.HHZ 2017-09-23 15:55:21.880 460.4 12.93 s 4.3 Mwp 4.86° 243.0° System-search
OM.ASH.--.HHZ 2017-09-23 15:55:42.539 102.2 11.78 s 3.8 Mwp 6.25° 261.1° System-search
DN.FAQ.--.HHZ 2017-09-23 15:55:43.730 1e+03 5.36 s 4.7 Mwp 6.65° 262.4° System-search
AE.SHM.--.HHZ 2017-09-23 15:55:48.599 874.3 18.99 s 4.6 Mwp 6.13° 274.5° System-search
OM.BID.--.HHN 2017-09-23 15:56:04.589 150.6 0.64 s 4.2 ML 4.86° 243.0° System-search
OM.MDH.--.HHZ 2017-09-23 15:56:06.410 907.7 40.76 s 4.6 Mwp 5.94° 266.5° System-search
OM.MDH.--.HHE 2017-09-23 15:56:39.539 41.1 0.43 s 3.9 ML 5.94° 266.5° System-search
II.UOSS.10.BH1 2017-09-23 15:56:45.365 56.8 0.35 s 4.1 ML 6.07° 263.2° System-search
AE.SHM.--.HHN 2017-09-23 15:56:45.680 328.8 0.45 s 4.9 ML 6.13° 274.5° System-search
AE.MSF.--.HHE 2017-09-23 15:56:46.319 115.4 0.41 s 4.4 ML 6.05° 267.3° System-search
OM.ASH.--.HHN 2017-09-23 15:56:47.240 51.2 0.52 s 4.1 ML 6.25° 261.1° System-search
DN.HAT.--.HHE 2017-09-23 15:56:49.000 58.9 0.54 s 4.1 ML 6.15° 262.3° System-search
AE.ALN.--.HHN 2017-09-23 15:56:54.720 101.5 0.51 s 4.5 ML 6.67° 256.3° System-search
DN.FAQ.--.HHN 2017-09-23 15:56:57.190 708.4 0.48 s 5.3 ML 6.65° 262.4° System-search
DN.NAZ.--.HHE 2017-09-23 15:56:57.240 42.3 0.61 s 4.1 ML 6.55° 264.3° System-search
OM.MDH.--.HHZ 2017-09-23 15:57:04.651 7.4 0.99 s 2.5 mb_Lg 5.94° 266.5° System-search
II.UOSS.10.BHZ 2017-09-23 15:57:10.473 7.2 0.77 s 2.5 mb_Lg 6.07° 263.2° System-search
AE.MSF.--.HHZ 2017-09-23 15:57:15.804 26.7 1.08 s 3.1 mb_Lg 6.05° 267.3° System-search
DN.ASU.--.HHE 2017-09-23 15:57:16.130 254.9 1.55 s 5.0 ML 6.91° 261.8° System-search
AE.SHM.--.HHZ 2017-09-23 15:57:17.147 15.4 0.88 s 2.9 mb_Lg 6.13° 274.5° System-search
OM.ASH.--.HHZ 2017-09-23 15:57:18.217 13.6 1.07 s 2.8 mb_Lg 6.25° 261.1° System-search
DN.HAT.--.HHZ 2017-09-23 15:57:20.886 12.6 0.99 s 2.8 mb_Lg 6.15° 262.3° System-search
AE.SRB.--.HHN 2017-09-23 15:57:21.079 73.5 0.36 s 4.7 ML 7.80° 267.5° System-search
DN.NAZ.--.HHZ 2017-09-23 15:57:24.584 12.1 0.88 s 2.8 mb_Lg 6.55° 264.3° System-search
DN.FAQ.--.HHZ 2017-09-23 15:57:32.329 107.6 1.24 s 3.8 mb_Lg 6.65° 262.4° System-search
AE.UMQ.--.HHZ 2017-09-23 15:57:33.786 43.0 1.00 s 3.3 mb_Lg 6.49° 269.0° System-search
AE.MZR.--.HHN 2017-09-23 15:58:20.779 45.4 0.67 s 4.8 ML 8.98° 253.8° System-search
II.AAK.00.BHZ 2017-09-23 15:58:34.609 27.2 1.20 s 4.4 mb 19.32° 26.8° System-search
AE.MZR.--.HHZ 2017-09-23 15:58:48.620 16.9 0.87 s 3.1 mb_Lg 8.98° 253.8° System-search
II.KIV.00.BHZ 2017-09-23 15:59:24.220 141.4 0.90 s 5.5 mb 24.41° 323.0° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
OM.BID.--.HHZ Pn 2017-09-23 15:55:08.950 -3.10 s 4.86° 243.0° yes Time System-search
OM.MDH.--.HHZ Pn 2017-09-23 15:55:25.650 -1.20 s 5.94° 266.5° no Time System-search
II.UOSS.10.BHZ Pn 2017-09-23 15:55:26.589 -2.10 s 6.07° 263.2° no Time System-search
DN.HAT.--.HHZ Pn 2017-09-23 15:55:27.140 -2.70 s 6.15° 262.3° yes Time System-search
AE.MSF.--.HHZ Pn 2017-09-23 15:55:28.460 0 s 6.05° 267.3° no Time System-search
AE.SHM.--.HHZ Pn 2017-09-23 15:55:29.609 0.10 s 6.13° 274.5° yes Time System-search
OM.ASH.--.HHZ Pn 2017-09-23 15:55:29.950 -1.20 s 6.25° 261.1° no Time System-search
DN.FAQ.--.HHZ Pn 2017-09-23 15:55:36.670 0 s 6.65° 262.4° no Time System-search
AE.ALN.--.HHZ Pn 2017-09-23 15:55:36.990 0.10 s 6.67° 256.3° yes Time System-search
DN.NAZ.--.HHZ Pn 2017-09-23 15:55:37.400 2.20 s 6.55° 264.3° yes Time System-search
DN.ASU.--.HHZ Pn 2017-09-23 15:55:41.660 1.50 s 6.91° 261.8° no Time System-search
AE.SRB.--.HHZ Pn 2017-09-23 15:55:53.099 0.70 s 7.80° 267.5° no Time System-search
AE.MZR.--.HHZ Pn 2017-09-23 15:56:06.190 -2.50 s 8.98° 253.8° no Time System-search
IU.KBL.--.BHZ Pn 2017-09-23 15:56:25.690 0 s 10.21° 30.2° no Time System-search
AE.MSF.--.HHZ Sn 2017-09-23 15:56:34.130 -2.60 s 6.05° 267.3° no Time System-search
II.AAK.00.BHZ P 2017-09-23 15:58:23.710 0 s 19.32° 26.8° yes Time System-search
II.KIV.00.BHZ P 2017-09-23 15:59:16.720 0 s 24.41° 323.0° no Time System-search

Shake Maps

None

Ground Motion

Station PGA PGA Time PGV PGV Time PGD PGD Time RSA @ 0.3s RSA @ 1.0s RSA @ 3.0s Action
AE.AJN.--.HHE 0.002038 cm/s2 2017-09-23 15:57:08.108 0.000057 cm/s 2017-09-23 15:57:08.908 0.000008 cm 2017-09-23 15:57:22.378 0.00319 cm/s2 0.000363 cm/s2 0.000096 cm/s2 System-search
AE.AJN.--.HHN 0.001852 cm/s2 2017-09-23 15:57:11.098 0.000059 cm/s 2017-09-23 15:57:11.158 0.000008 cm 2017-09-23 15:57:10.388 0.003469 cm/s2 0.000394 cm/s2 0.000084 cm/s2 System-search
AE.ALN.--.HHE 0.003674 cm/s2 2017-09-23 15:56:55.732 0.000156 cm/s 2017-09-23 15:56:54.782 0.000017 cm 2017-09-23 15:56:54.332 0.009787 cm/s2 0.000801 cm/s2 0.000091 cm/s2 System-search
AE.ALN.--.HHN 0.0046 cm/s2 2017-09-23 15:56:54.842 0.000204 cm/s 2017-09-23 15:56:53.802 0.000017 cm 2017-09-23 15:57:00.562 0.013621 cm/s2 0.001103 cm/s2 0.000117 cm/s2 System-search
AE.ALN.--.HHZ 0.003548 cm/s2 2017-09-23 15:56:54.762 0.00018 cm/s 2017-09-23 15:56:54.802 0.000022 cm 2017-09-23 15:56:55.902 0.008557 cm/s2 0.000836 cm/s2 0.000112 cm/s2 System-search
AE.ALN.--.HNE 0.003333 cm/s2 2017-09-23 15:56:55.942 0.000302 cm/s 2017-09-23 15:56:52.062 0.000398 cm 2017-09-23 15:56:48.192 0.00722 cm/s2 0.001211 cm/s2 0.000661 cm/s2 System-search
AE.MSF.--.HHE 0.004018 cm/s2 2017-09-23 15:56:46.262 0.00023 cm/s 2017-09-23 15:56:46.352 0.000022 cm 2017-09-23 15:56:46.262 0.013019 cm/s2 0.000956 cm/s2 0.000084 cm/s2 System-search
AE.MSF.--.HHN 0.003888 cm/s2 2017-09-23 15:56:46.042 0.000191 cm/s 2017-09-23 15:56:45.982 0.000015 cm 2017-09-23 15:56:40.752 0.006163 cm/s2 0.000825 cm/s2 0.00008 cm/s2 System-search
AE.MSF.--.HHZ 0.002675 cm/s2 2017-09-23 15:56:48.182 0.0001 cm/s 2017-09-23 15:56:49.512 0.000013 cm 2017-09-23 15:56:57.402 0.005983 cm/s2 0.000758 cm/s2 0.000095 cm/s2 System-search
AE.SHM.--.HHE 0.008948 cm/s2 2017-09-23 15:56:47.024 0.000401 cm/s 2017-09-23 15:56:46.984 0.000025 cm 2017-09-23 15:56:47.044 0.024587 cm/s2 0.00186 cm/s2 0.000165 cm/s2 System-search
AE.SHM.--.HHN 0.011085 cm/s2 2017-09-23 15:56:45.784 0.00053 cm/s 2017-09-23 15:56:45.884 0.000033 cm 2017-09-23 15:56:45.634 0.034543 cm/s2 0.002322 cm/s2 0.000188 cm/s2 System-search
AE.SHM.--.HHZ 0.005905 cm/s2 2017-09-23 15:56:45.214 0.000259 cm/s 2017-09-23 15:56:46.544 0.00002 cm 2017-09-23 15:56:48.954 0.024265 cm/s2 0.000979 cm/s2 0.000112 cm/s2 System-search
AE.SHM.--.HNN 0.007296 cm/s2 2017-09-23 15:56:47.024 0.000342 cm/s 2017-09-23 15:56:48.324 0.000129 cm 2017-09-23 15:56:46.364 0.018015 cm/s2 0.001314 cm/s2 0.000591 cm/s2 System-search
AE.SRB.--.HHE 0.003331 cm/s2 2017-09-23 15:57:21.399 0.000131 cm/s 2017-09-23 15:57:24.329 0.000013 cm 2017-09-23 15:57:28.969 0.006794 cm/s2 0.000771 cm/s2 0.000103 cm/s2 System-search
AE.SRB.--.HNN 0.003651 cm/s2 2017-09-23 15:57:22.589 0.000162 cm/s 2017-09-23 15:57:20.899 0.000062 cm 2017-09-23 15:57:11.119 0.007916 cm/s2 0.000784 cm/s2 0.000241 cm/s2 System-search
AE.UMQ.--.HHE 0.003194 cm/s2 2017-09-23 15:57:01.186 0.000185 cm/s 2017-09-23 15:57:01.306 0.000016 cm 2017-09-23 15:57:03.226 0.008654 cm/s2 0.001111 cm/s2 0.000138 cm/s2 System-search
AE.UMQ.--.HHN 0.004074 cm/s2 2017-09-23 15:56:57.006 0.000189 cm/s 2017-09-23 15:56:57.046 0.000018 cm 2017-09-23 15:56:57.146 0.010718 cm/s2 0.001167 cm/s2 0.000167 cm/s2 System-search
DN.ASU.--.HHE 0.001109 cm/s2 2017-09-23 15:57:09.810 0.000038 cm/s 2017-09-23 15:57:04.760 0.000008 cm 2017-09-23 15:57:16.040 0.003143 cm/s2 0.000327 cm/s2 0.000107 cm/s2 System-search
DN.ASU.--.HHN 0.00081 cm/s2 2017-09-23 15:57:01.840 0.000038 cm/s 2017-09-23 15:57:05.230 0.000007 cm 2017-09-23 15:57:02.290 0.002503 cm/s2 0.000401 cm/s2 0.00012 cm/s2 System-search
DN.ASU.--.HHZ 0.000537 cm/s2 2017-09-23 15:55:51.297 0.000023 cm/s 2017-09-23 15:55:58.147 0.000011 cm 2017-09-23 15:55:59.837 0.000548 cm/s2 0.000299 cm/s2 0.000061 cm/s2 System-search
DN.FAQ.--.HHE 0.003503 cm/s2 2017-09-23 15:56:54.740 0.000125 cm/s 2017-09-23 15:56:58.560 0.000009 cm 2017-09-23 15:56:57.820 0.008977 cm/s2 0.000535 cm/s2 0.000078 cm/s2 System-search
DN.FAQ.--.HHN 0.00523 cm/s2 2017-09-23 15:56:57.270 0.000188 cm/s 2017-09-23 15:56:57.200 0.000012 cm 2017-09-23 15:56:55.020 0.010282 cm/s2 0.001017 cm/s2 0.000119 cm/s2 System-search
DN.FAQ.--.HHZ 0.00347 cm/s2 2017-09-23 15:56:55.300 0.000089 cm/s 2017-09-23 15:56:55.270 0.000007 cm 2017-09-23 15:57:05.470 0.005706 cm/s2 0.000458 cm/s2 0.000071 cm/s2 System-search
DN.HAT.--.HHE 0.002164 cm/s2 2017-09-23 15:56:43.517 0.000099 cm/s 2017-09-23 15:56:48.587 0.00001 cm 2017-09-23 15:56:45.997 0.006934 cm/s2 0.000828 cm/s2 0.000046 cm/s2 System-search
DN.HAT.--.HHN 0.000938 cm/s2 2017-09-23 15:56:41.287 0.000037 cm/s 2017-09-23 15:56:46.077 0.000003 cm 2017-09-23 15:56:53.047 0.003128 cm/s2 0.000269 cm/s2 0.000023 cm/s2 System-search
DN.HAT.--.HHZ 0.00191 cm/s2 2017-09-23 15:56:41.237 0.000076 cm/s 2017-09-23 15:56:39.187 0.000006 cm 2017-09-23 15:56:49.997 0.005078 cm/s2 0.000386 cm/s2 0.000034 cm/s2 System-search
DN.NAZ.--.HHE 0.002624 cm/s2 2017-09-23 15:56:55.449 0.000082 cm/s 2017-09-23 15:56:55.399 0.000015 cm 2017-09-23 15:57:09.849 0.003954 cm/s2 0.000742 cm/s2 0.000126 cm/s2 System-search
DN.NAZ.--.HHN 0.00226 cm/s2 2017-09-23 15:56:55.829 0.000092 cm/s 2017-09-23 15:56:55.889 0.000015 cm 2017-09-23 15:57:06.569 0.005082 cm/s2 0.000617 cm/s2 0.000075 cm/s2 System-search
DN.NAZ.--.HHZ 0.001585 cm/s2 2017-09-23 15:56:55.959 0.000052 cm/s 2017-09-23 15:57:00.439 0.000008 cm 2017-09-23 15:56:49.639 0.002343 cm/s2 0.00072 cm/s2 0.000081 cm/s2 System-search
II.UOSS.10.BH1 0.0 cm/s2 2017-09-23 15:56:37.469 0.0 cm/s 2017-09-23 15:56:37.419 0.0 cm 2017-09-23 15:56:36.744 0.0 cm/s2 0.0 cm/s2 0.0 cm/s2 System-search
II.UOSS.10.BH2 0.0 cm/s2 2017-09-23 15:56:36.944 0.0 cm/s 2017-09-23 15:56:36.194 0.0 cm 2017-09-23 15:56:36.944 0.0 cm/s2 0.0 cm/s2 0.0 cm/s2 System-search
II.UOSS.10.BHZ 0.0 cm/s2 2017-09-23 15:56:38.444 0.0 cm/s 2017-09-23 15:56:38.494 0.0 cm 2017-09-23 15:56:37.744 0.0 cm/s2 0.0 cm/s2 0.0 cm/s2 System-search
OM.ASH.--.HHE 0.001564 cm/s2 2017-09-23 15:56:47.821 0.000082 cm/s 2017-09-23 15:56:46.621 0.000007 cm 2017-09-23 15:56:46.731 0.005949 cm/s2 0.000801 cm/s2 0.000054 cm/s2 System-search
OM.ASH.--.HHN 0.001641 cm/s2 2017-09-23 15:56:50.201 0.000095 cm/s 2017-09-23 15:56:50.251 0.000009 cm 2017-09-23 15:56:46.961 0.005536 cm/s2 0.0005 cm/s2 0.000051 cm/s2 System-search
OM.ASH.--.HHZ 0.001081 cm/s2 2017-09-23 15:56:47.661 0.000061 cm/s 2017-09-23 15:56:47.601 0.000007 cm 2017-09-23 15:56:47.481 0.005662 cm/s2 0.000458 cm/s2 0.000044 cm/s2 System-search
OM.BID.--.HHE 0.010778 cm/s2 2017-09-23 15:56:03.442 0.000321 cm/s 2017-09-23 15:56:03.482 0.000031 cm 2017-09-23 15:56:10.662 0.014664 cm/s2 0.001626 cm/s2 0.000271 cm/s2 System-search
OM.BID.--.HHN 0.012153 cm/s2 2017-09-23 15:56:04.392 0.000451 cm/s 2017-09-23 15:56:04.432 0.000027 cm 2017-09-23 15:56:04.502 0.021138 cm/s2 0.003248 cm/s2 0.000244 cm/s2 System-search
OM.BID.--.HHZ 0.010104 cm/s2 2017-09-23 15:56:05.832 0.000312 cm/s 2017-09-23 15:56:05.862 0.000026 cm 2017-09-23 15:56:09.652 0.020497 cm/s2 0.002437 cm/s2 0.000197 cm/s2 System-search
OM.MDH.--.HHE 0.004311 cm/s2 2017-09-23 15:56:35.360 0.000101 cm/s 2017-09-23 15:56:34.860 0.000005 cm 2017-09-23 15:56:39.470 0.005515 cm/s2 0.000419 cm/s2 0.000039 cm/s2 System-search
OM.MDH.--.HHN 0.004513 cm/s2 2017-09-23 15:56:34.230 0.000091 cm/s 2017-09-23 15:56:39.680 0.000005 cm 2017-09-23 15:56:39.540 0.006213 cm/s2 0.000287 cm/s2 0.000041 cm/s2 System-search
OM.MDH.--.HHZ 0.003611 cm/s2 2017-09-23 15:56:36.360 0.000084 cm/s 2017-09-23 15:56:36.920 0.000005 cm 2017-09-23 15:56:36.970 0.003659 cm/s2 0.000354 cm/s2 0.000037 cm/s2 System-search

Event 20170923-8

Time: 2017-09-23 15:54:01.030
Position:25.8135°N, 62.8455°E
Place:
Major Place:434 km W of Karachi, Pakistan
Depth:31.3 km
Magnitude:4.1 Mwr