Earthquake 20170512-1

Earthquake 20170512-1
2017-05-12 00:47:00.750 73.90 km 5.50 Mwb
27.6882°S, 177.1718°W
South Pacfic Ocean
753 km S of Nuku?alofa, Tonga
Time Error: 1.69 s Num. Stations: 37
Time RMS: 0.83 s Num. Phases: 37
Depth Error: 10.50 km Max. Intensity (MMI):
Azimuth Gap: 66° Effects Type: Seismic
Analysis Type: Manual
 
MANUALLY REVIEWED LOCATION
Magnitudes
Preferred Magnitude Stations Error Author Action
5.60 Mwc 17 0.1 NCMS Action show
5.50 Mwb 0 0 NCMS Action show
5.80 mb 10 0.2 NCMS Action show
4.60 Md 1 0.4 NCMS Action show
5.80 mb 0 0 NCMS Action show
5.50 M 0 0 NCMS Action show
Emblem favorite 5.50 Mwb 16 0.1 NCMS Action show
5.80 mB_BB 2 0.4 NCMS Action show
5.60 M 28 0.3 NCMS Action show
5.30 Ms_BB 1 0.5 NCMS Action show
 
Origin Details
Ellipse Major: 11.40 km Fixed Depth: no
Ellipse Minor: 8.90 km Fixed Phase: no
Ellipse Strike: 215.0° Fixed Time: no
Min. Distance: 1.69° Author: NCMS
Max. Distance: 152.42° Event Type: Earthquake
Fixed Location: no External Event ID: HYDRA_RED@16232
Location Method: Inversion External Origin ID: HYDRA_RED@31731
 
Error Ellipse
Length Azimuth Dip Action
Maximum 28.00 km 215.00° 20.00° Action show
Intermediate 20.90 km 305.00° 1.00° Action show
Minimum 13.50 km 38.00° 69.00° Action show
 
Magnitude Moment Tensors
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 CMT 17 60% 0.07 2017-05-13 00:46:37.299
30.9955°S, 178.5543°W
85.00 km
3.7e+17 nt-m NP1
NP2
207.0
300.0
83.0
66.0
-25.0
-172.0
2.040e+16 1.520e+17 1.040e+17 -2.810e+17 -1.860e+17 2.610e+17 Action show
Ffffffff MT 16 82% 0.77 35.00 km 2.3e+17 nt-m NP1
NP2
272.0
142.0
47.0
56.0
50.0
124.0
1.810e+17 -2.150e+16 -1.130e+17 -1.660e+17 1.020e+17 -1.420e+16 Action show
Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.RAO.00.BHZ 2017-05-12 00:51:38.039 249.8 s 4.60 Md 1.69° 203.1° Action show
IU.POHA.00.BHZ 2017-05-12 00:56:00.910 165.4 1.00 s 6.00 mb 51.61° 26.3° Action show
II.RPN.00.BHZ 2017-05-12 00:56:57.410 368.6 1.50 s 6.30 mb 59.48° 106.7° Action show
II.KAPI.00.BHZ 2017-05-12 00:57:56.210 581.7 1.70 s 5.70 mB_BB 63.89° 278.3° Action show
II.KAPI.00.BHZ 2017-05-12 00:57:57.410 59.3 1.20 s 5.40 mb 63.89° 278.3° Action show
II.ERM.00.BHZ 2017-05-12 00:58:56.109 1181.9 2.20 s 6.00 mB_BB 78.44° 330.9° Action show
II.ERM.00.BHZ 2017-05-12 00:58:57.359 228.6 1.80 s 5.80 mb 78.44° 330.9° Action show
IU.PET.00.BHZ 2017-05-12 00:59:18.890 52.1 0.90 s 5.50 mb 83.09° 345.5° Action show
GT.PLCA.00.BHZ 2017-05-12 00:59:23.920 110.3 1.05 s 5.80 mb 83.82° 133.0° Action show
IU.PAYG.00.BHZ 2017-05-12 00:59:41.359 180.5 1.30 s 6.00 mb 86.93° 89.3° Action show
II.NNA.00.BHZ 2017-05-12 01:00:09.910 43.2 1.20 s 5.80 mb 93.45° 105.5° Action show
IU.LVC.00.BHZ 2017-05-12 01:00:16.309 76.8 1.40 s 5.90 mb 94.59° 118.5° Action show
IU.OTAV.00.BHZ 2017-05-12 01:00:31.859 19.5 1.60 s 5.40 mb 97.84° 94.0° Action show
II.BFO.00.BHZ 2017-05-12 02:53:13.447 144.4 7.30 s 5.30 Ms_BB 158.95° 349.6° Action show
Channel Phase Time Time Residual Direction Event Distance Event Azimuth Automatic? Defined By Action
IU.RAO.00.BHZ Pn 2017-05-12 00:47:28.289 0 s 1.69° 203.1° yes Time Action show
II.MSVF.00.BHZ Pn 2017-05-12 00:49:34.859 1.80 s 10.83° 335.0° yes Time Action show
II.TAU.00.BHZ pP 2017-05-12 00:53:41.759 1.00 s 32.44° 232.7° yes Time Action show
IU.POHA.00.BHZ P 2017-05-12 00:56:00.059 0 s 51.61° 26.3° yes Time Action show
II.RPN.00.BHZ P 2017-05-12 00:56:55.109 -1.30 s 59.48° 106.7° yes Time Action show
II.KAPI.00.BHZ P 2017-05-12 00:57:26.160 0 s 63.89° 278.3° yes Time Action show
II.ERM.00.BHZ P 2017-05-12 00:58:55.160 1.80 s 78.44° 330.9° yes Time Action show
IU.PET.00.BHZ P 2017-05-12 00:59:17.839 0 s 83.09° 345.5° yes Time Action show
GT.PLCA.00.BHZ P 2017-05-12 00:59:22.619 0.30 s 83.82° 133.0° yes Time Action show
IU.PAYG.00.BHZ P 2017-05-12 00:59:40.059 1.90 s 86.93° 89.3° yes Time Action show
II.NNA.00.BHZ P 2017-05-12 01:00:08.509 -0.20 s 93.45° 105.5° yes Time Action show
IU.LVC.00.BHZ P 2017-05-12 01:00:15.210 1.00 s 94.59° 118.5° yes Time Action show
IU.OTAV.00.BHZ P 2017-05-12 01:00:30.460 1.20 s 97.84° 94.0° yes Time Action show
IU.MAKZ.00.BHZ PKPdf 2017-05-12 01:05:35.509 -1.00 s 116.78° 310.7° yes Time Action show
II.NIL.00.BHZ PKPdf 2017-05-12 01:05:42.859 -0.60 s 120.17° 294.4° yes Time Action show
II.AAK.00.BHZ PKPdf 2017-05-12 01:05:45.160 -0.10 s 121.18° 304.8° yes Time Action show
IU.KBL.--.BHZ PKPdf 2017-05-12 01:05:50.809 0.20 s 123.79° 294.4° yes Time Action show
OM.MDH.--.HHZ PKPpre 2017-05-12 01:05:59.990 4.00 s 132.40° 279.6° yes Action show
AE.MZR.--.HHZ PKPpre 2017-05-12 01:06:03.549 4.50 s 134.24° 275.6° yes Action show
OM.BID.--.HHZ PKPdf 2017-05-12 01:06:04.359 1.30 s 130.30° 278.0° yes Time Action show
IU.LSZ.00.BHZ PKPdf 2017-05-12 01:06:05.210 0.90 s 130.72° 212.9° yes Time Action show
II.UOSS.10.BHZ PKPdf 2017-05-12 01:06:05.460 -1.50 s 132.38° 279.1° yes Time Action show
OM.SOH.--.HHZ PKPdf 2017-05-12 01:06:05.470 -0.50 s 131.87° 278.2° yes Time Action show
IU.TSUM.10.BHZ PKPdf 2017-05-12 01:06:05.690 0.50 s 131.25° 198.6° yes Time Action show
DN.HAT.--.HHZ PKPdf 2017-05-12 01:06:06.019 -1.00 s 132.42° 278.9° yes Time Action show
OM.ASH.--.HHZ PKPdf 2017-05-12 01:06:07.109 0 s 132.44° 278.7° yes Time Action show
AE.ALN.--.HHZ PKPdf 2017-05-12 01:06:07.289 0 s 132.54° 277.8° yes Time Action show
AE.MSF.--.HHZ PKPdf 2017-05-12 01:06:07.369 0.10 s 132.54° 279.7° yes Time Action show
DN.NAZ.--.HHZ PKPdf 2017-05-12 01:06:07.759 -0.10 s 132.87° 279.0° yes Time Action show
AE.SHM.--.HHZ PKPdf 2017-05-12 01:06:07.809 0 s 132.83° 280.6° yes Time Action show
DN.FAQ.--.HHZ PKPdf 2017-05-12 01:06:08.910 1.00 s 132.87° 278.7° yes Time Action show
DN.ASU.--.HHZ PKPdf 2017-05-12 01:06:08.960 0.70 s 133.06° 278.4° yes Time Action show
AE.UMQ.--.HHZ PKPdf 2017-05-12 01:06:09.410 1.30 s 133.01° 279.7° yes Time Action show
AE.SRB.--.HHZ PKPdf 2017-05-12 01:06:10.279 0 s 134.18° 278.8° yes Time Action show
IU.KMBO.00.BHZ PKPdf 2017-05-12 01:06:13.910 -1.00 s 136.24° 234.5° yes Time Action show
II.OBN.00.BHZ PKPpre 2017-05-12 01:06:22.660 1.00 s 143.32° 327.5° yes Action show
IU.GNI.00.BHZ PKPdf 2017-05-12 01:06:24.759 -2.10 s 143.39° 300.4° yes Time Action show
GE.EIL.--.BHZ PKPdf 2017-05-12 01:06:40.490 -0.40 s 151.79° 281.1° yes Time Action show
IU.ANTO.00.BHZ PKPdf 2017-05-12 01:06:41.589 0 s 152.42° 303.3° yes Time Action show
II.ESK.00.BHZ PKPbc 2017-05-12 01:06:46.410 -0.60 s 152.05° 7.4° yes Time Action show

Ground Motion

None

Shake Maps

None