Earthquake Information:

079 2018-04-16 09:48 (ML): 4.7 23.00N 121.40E, i.e. 37.1 km NE of Taitung County 


CWB EARTHQUAKE REPORT Earthquake No.: 107079 Origin time (Taiwan Standard Time: GMT+08:00): 4/16/2018 21:48:59.5 Location: 23.00N 121.40E, i.e. 37.1 km NE of Taitung County Depth : 22.2 km Magnitude(ML): 4.7 Intensity : Chenggong, Taitung County 3 Chishang, Taitung County 3 Donghe, Taitung County 3 Changbin, Taitung County 3 Chulu, Taitung County 2 Ludao, Taitung County 2 Beinan, Taitung County 2 Lidao, Taitung County 2 Taoyuan, Kaohsiung City 2 Taitung City, Taitung County 1 Yuli, Hualien County 1 Hongye, Hualien County 1 Taimali, Taitung County 1 Guangfu, Hualien County 1 Alishan, Chiayi County 1 Sandimen, Pingtung County 1 Dapu, Chiayi County 1 Caoshan, Chiayi County 1 Caoling, Yunlin County 1 Yanliao, Hualien County 1 Xinhua, Tainan City 1 Lanyu, Taitung County 1 Chiayi City 1 Gukeng, Yunlin County 1 Shoufeng, Hualien County 1 Douliu City, Yunlin County 1 Mingjian, Nantou County 1 Tainan City 1 Jiqi, Hualien County 1 Jiali, Tainan City 1 Liujiao, Chiayi County 1 Yuanlin, Changhua County 1 Qigu, Tainan City 1 Sihu, Yunlin County 1 Shanhua, Tainan City 1 Changhua City, Changhua County 1

PS. The waveforms may exist interruption due to the quality of transmission.

強地動震波圖--點選放大(另開新視窗)
ECS-E / 3
 
強地動震波圖--點選放大(另開新視窗)
EDH-E / 3
 
強地動震波圖--點選放大(另開新視窗)
CHK-E / 3
 
強地動震波圖--點選放大(另開新視窗)
ECB-E / 3
 
Origin Time:2018/04/16 21:48:59
Lon:121.40°E
Lat:23.00°N
Depth:22.2km
Mag:4.7
Stacode=EDH ,Staname=Donghe            ,Stalon=121.30,Stalat=22.97,Dist=   9.91,AZ= 70.09,PGA(V)=   4.19,PGA(NS)=  10.59,PGA(EW)=   8.61
Stacode=CHK ,Staname=Chenggong         ,Stalon=121.37,Stalat=23.10,Dist=  10.84,AZ=167.51,PGA(V)=   8.49,PGA(NS)=  17.23,PGA(EW)=  20.28
Stacode=ECS ,Staname=Chishang          ,Stalon=121.22,Stalat=23.10,Dist=  20.82,AZ=119.70,PGA(V)=  12.74,PGA(NS)=  18.30,PGA(EW)=  23.57
Stacode=ECU ,Staname=Chulu             ,Stalon=121.09,Stalat=22.86,Dist=  34.94,AZ= 63.16,PGA(V)=   4.01,PGA(NS)=   5.86,PGA(EW)=   5.56
Stacode=ECB ,Staname=Changbin          ,Stalon=121.45,Stalat=23.32,Dist=  35.25,AZ=189.28,PGA(V)=   3.59,PGA(NS)=  10.71,PGA(EW)=   7.00
Stacode=TTN ,Staname=Taitung City      ,Stalon=121.15,Stalat=22.75,Dist=  37.11,AZ= 41.77,PGA(V)=   1.32,PGA(NS)=   2.33,PGA(EW)=   1.79
Stacode=LDU ,Staname=Ludao             ,Stalon=121.47,Stalat=22.67,Dist=  37.19,AZ=348.28,PGA(V)=   2.09,PGA(NS)=   3.71,PGA(EW)=   4.25
Stacode=TWG ,Staname=Beinan            ,Stalon=121.08,Stalat=22.82,Dist=  38.28,AZ= 57.75,PGA(V)=   2.15,PGA(NS)=   3.23,PGA(EW)=   4.85
Stacode=TWF1,Staname=Yuli              ,Stalon=121.31,Stalat=23.35,Dist=  39.72,AZ=166.53,PGA(V)=   0.96,PGA(NS)=   1.14,PGA(EW)=   1.56
Stacode=ELD ,Staname=Lidao             ,Stalon=121.03,Stalat=23.19,Dist=  43.12,AZ=118.34,PGA(V)=   2.87,PGA(NS)=   3.95,PGA(EW)=   4.13
Stacode=EHY ,Staname=Hongye            ,Stalon=121.33,Stalat=23.50,Dist=  55.98,AZ=172.90,PGA(V)=   0.90,PGA(NS)=   1.91,PGA(EW)=   1.97
Stacode=ECL ,Staname=Taimali           ,Stalon=120.96,Stalat=22.60,Dist=  63.30,AZ= 44.72,PGA(V)=   0.78,PGA(NS)=   0.84,PGA(EW)=   0.90
Stacode=STY ,Staname=Taoyuan           ,Stalon=120.77,Stalat=23.16,Dist=  66.87,AZ=105.22,PGA(V)=   1.44,PGA(NS)=   4.07,PGA(EW)=   3.11
Stacode=EGF ,Staname=Guangfu           ,Stalon=121.48,Stalat=23.68,Dist=  76.08,AZ=186.70,PGA(V)=   0.48,PGA(NS)=   1.26,PGA(EW)=   1.44
Stacode=ALS ,Staname=Alishan           ,Stalon=120.81,Stalat=23.51,Dist=  81.80,AZ=133.25,PGA(V)=   0.54,PGA(NS)=   1.32,PGA(EW)=   1.20
Stacode=SSD ,Staname=Sandimen          ,Stalon=120.64,Stalat=22.74,Dist=  82.60,AZ= 69.78,PGA(V)=   0.54,PGA(NS)=   0.84,PGA(EW)=   0.72
Stacode=WTP ,Staname=Dapu              ,Stalon=120.62,Stalat=23.24,Dist=  83.60,AZ=108.66,PGA(V)=   0.36,PGA(NS)=   0.78,PGA(EW)=   0.90
Stacode=CHN4,Staname=Caoshan           ,Stalon=120.59,Stalat=23.35,Dist=  90.72,AZ=115.23,PGA(V)=   0.54,PGA(NS)=   1.56,PGA(EW)=   1.68
Stacode=CHN5,Staname=Caoling           ,Stalon=120.68,Stalat=23.60,Dist=  98.70,AZ=131.89,PGA(V)=   1.08,PGA(NS)=   1.79,PGA(EW)=   2.21
Stacode=EYL ,Staname=Yanliao           ,Stalon=121.60,Stalat=23.90,Dist= 102.04,AZ=191.92,PGA(V)=   0.48,PGA(NS)=   1.02,PGA(EW)=   0.90
Stacode=CHN3,Staname=Xinhua            ,Stalon=120.36,Stalat=23.08,Dist= 105.96,AZ= 94.40,PGA(V)=   0.54,PGA(NS)=   1.56,PGA(EW)=   1.08
Stacode=LAY ,Staname=Lanyu             ,Stalon=121.56,Stalat=22.04,Dist= 108.14,AZ=351.11,PGA(V)=   0.66,PGA(NS)=   2.21,PGA(EW)=   2.15
Stacode=CHY ,Staname=Chiayi City       ,Stalon=120.43,Stalat=23.50,Dist= 112.69,AZ=119.03,PGA(V)=   0.36,PGA(NS)=   1.20,PGA(EW)=   1.14
Stacode=WGK ,Staname=Gukeng            ,Stalon=120.57,Stalat=23.68,Dist= 113.28,AZ=131.84,PGA(V)=   0.66,PGA(NS)=   1.38,PGA(EW)=   1.56
Stacode=SSH ,Staname=Shanhua           ,Stalon=120.29,Stalat=23.14,Dist= 114.43,AZ= 97.45,PGA(V)=   0.42,PGA(NS)=   1.14,PGA(EW)=   1.20
Stacode=WDL ,Staname=Douliu City       ,Stalon=120.54,Stalat=23.72,Dist= 117.95,AZ=132.01,PGA(V)=   0.48,PGA(NS)=   1.68,PGA(EW)=   1.20
Stacode=WNT ,Staname=Mingjian          ,Stalon=120.69,Stalat=23.88,Dist= 120.59,AZ=143.43,PGA(V)=   0.30,PGA(NS)=   1.68,PGA(EW)=   0.90
Stacode=TAI ,Staname=Tainan City       ,Stalon=120.21,Stalat=22.99,Dist= 122.06,AZ= 89.53,PGA(V)=   0.96,PGA(NS)=   0.60,PGA(EW)=   0.72
Stacode=SCL ,Staname=Jiali             ,Stalon=120.20,Stalat=23.17,Dist= 123.77,AZ= 98.82,PGA(V)=   0.24,PGA(NS)=   0.84,PGA(EW)=   1.68
Stacode=CHN7,Staname=Liujiao           ,Stalon=120.24,Stalat=23.48,Dist= 129.75,AZ=114.25,PGA(V)=   0.24,PGA(NS)=   1.14,PGA(EW)=   1.08
Stacode=WYL ,Staname=Yuanlin           ,Stalon=120.58,Stalat=23.96,Dist= 134.93,AZ=141.87,PGA(V)=   0.78,PGA(NS)=   1.79,PGA(EW)=   2.15
Stacode=SCK ,Staname=Qigu              ,Stalon=120.09,Stalat=23.15,Dist= 135.11,AZ= 96.81,PGA(V)=   0.18,PGA(NS)=   1.97,PGA(EW)=   1.74
Stacode=WSF ,Staname=Sihu              ,Stalon=120.23,Stalat=23.64,Dist= 138.37,AZ=120.50,PGA(V)=   0.36,PGA(NS)=   1.91,PGA(EW)=   0.72
Stacode=WCH ,Staname=Changhua City     ,Stalon=120.56,Stalat=24.08,Dist= 147.07,AZ=144.38,PGA(V)=   0.42,PGA(NS)=   0.84,PGA(EW)=   0.96

                    
 ********************************************************************
  Following is a moment-tensor solution derived from inversion of
  CWBSN_BB waveforms. An image file containing all the used waveforms
  and misfit distribution with respect to depth. 
  If you have any questions, please contact seismological center of CWB.
 ********************************************************************
  
 CWB Early Automatic Report (EAR) : 
 Origin Time : 2018  4 16 13:48:59.00 (UT)
 Hypocenter :   23.00 N  121.40 E   22.17 km
 ML :  4.73
                                                 
 CWBSN_BB moment-tensor solution :               
  -0.1173929   0.1677689  -0.0896162
   0.1677689  -0.5995315  -0.3649404 x 1E+16 Nt-m
  -0.0896162  -0.3649404   0.7169244
 Centroid depth :  21 km
 Mw :  4.53
 Azgap : 162.25
 Average MISFIT : 0.375  (The fit is excellent)
  
 Best double couple solutions : 
 nodal plane(1) strike/dip/slip: 207.93/33.36/ 110.07
 nodal plane(2) strike/dip/slip:   4.31/58.90/  77.27
  
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