Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 22-09-2017 and time 22:16:10 (Italy) in region 5 km SE Arquata del Tronto (AP)

A magnitude ML 2.1 earthquake occured in region: 5 km SE Arquata del Tronto (AP), on

  • 22-09-2017 20:16:10 (UTC)
  • 22-09-2017 22:16:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7450, 13.3440 at 16 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Arquata del Tronto AP 5 1178 1178
Acquasanta Terme AP 6 2916 4094
Accumoli RI 10 667 4761
Montegallo AP 11 523 5284
Valle Castellana TE 13 977 6261
Amatrice RI 14 2657 8918
Rocca Santa Maria TE 16 537 9455
Roccafluvione AP 17 2010 11465
Montemonaco AP 17 604 12069
Cortino TE 19 656 12725
Venarotta AP 20 2066 14791
Palmiano AP 20 196 14987

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of Teramo (54892 inhabitants)
44 Km N of L'Aquila (69753 inhabitants)
57 Km E of Foligno (57155 inhabitants)
61 Km E of Terni (111501 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
80 Km NW of Chieti (51815 inhabitants)
88 Km E of Perugia (166134 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km NE of Tivoli (56533 inhabitants)
98 Km S of Ancona (100861 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 2.1 2017-09-22
20:16:10		 42.7447 13.3438 16 2019-03-25
14:09:21		 Bollettino Sismico Italiano INGV 62081711
Reviewed
Rev100 		ML 2.1 2017-09-22
20:16:10		 42.7528 13.3555 15 2017-09-22
20:22:13		 Sala Sismica INGV-Roma 50348941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-09-22 20:16:10 ± 0.06
Latitude 42.7447 ± 0.0027
Longitude 13.3438 ± 0.0049
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 62081711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 437
Semi-minor axis of confidence ellipse (meter) 89
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 49
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 56
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 1.03422
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 75
Type of magnitude ML
Reference to an origin 62081711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-10-18 12:35:17

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 68
Type of magnitude ML
Reference to an origin 50348941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-09-22 20:22:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2017-09-22T20:16:32.16 0.6 undecidable manual S 343 67.7766 95 0.75 37
IV.MOMA.HHZ. 2017-09-22T20:16:31.18 0.6 undecidable manual S 276 63.3921 95 0.94 34
IV.FSSB.HHZ. 2017-09-22T20:16:30.23 0.3 undecidable manual P 337 114.7962 92 0.29 59
IV.PIEI.HHZ. 2017-09-22T20:16:29.01 0.3 undecidable manual P 324 109.5126 93 -0.12 61
IV.SRES.HHZ. 2017-09-22T20:16:26.09 0.3 undecidable manual P 231 88.4448 93 0.2 63
IV.CERT.HHZ. 2017-09-22T20:16:26.27 0.3 undecidable manual P 199 93.1401 93 -0.34 60
IV.CESI.HHZ. 2017-09-22T20:16:25.79 0.3 undecidable manual S 309 45.9207 98 0.18 68
IV.MURB.HHZ. 2017-09-22T20:16:25.88 0.3 undecidable manual P 311 87.8454 93 0.08 65
IV.FOSV.EHZ. 2017-09-22T20:16:24.12 0.1 undecidable manual P 322 77.1672 94 -0.04 89
IV.T1221.EHZ. 2017-09-22T20:16:24.86 0.3 undecidable manual S 288 42.4242 98 0.17 68
IV.CSP1.EHZ. 2017-09-22T20:16:23.95 0.6 undecidable manual S 344 40.1265 99 -0.13 47
IV.GIGS.HHZ. 2017-09-22T20:16:23.18 0.6 undecidable manual S 150 37.3293 100 -0.17 46
IV.GUMA.HHZ. 2017-09-22T20:16:23.40 0.6 undecidable manual S 359 35.2425 101 0.59 42
IV.FDMO.HHZ. 2017-09-22T20:16:23.35 0.6 undecidable manual S 327 38.5281 100 -0.3 45
IV.T1247.HHZ. 2017-09-22T20:16:22.74 0.6 undecidable manual S 186 33.8439 102 0.31 46
IV.CING.HHZ. 2017-09-22T20:16:22.98 0.3 undecidable manual P 350 70.9734 94 -0.23 65
IV.FEMA.HNE. 2017-09-22T20:16:22.43 0.6 undecidable manual S 315 33.9438 102 -0.03 48
IV.T0110.HHZ. 2017-09-22T20:16:22.50 0.3 undecidable manual P 148 67.1772 95 -0.13 66
IV.EL6.EHZ. 2017-09-22T20:16:22.54 0.1 undecidable manual P 343 67.7766 95 -0.17 88
IV.MOMA.HHZ. 2017-09-22T20:16:22.04 0.1 undecidable manual P 276 63.3921 95 0.01 91
IV.CESX.HHZ. 2017-09-22T20:16:21.93 0.3 undecidable manual P 257 63.5919 95 -0.14 67
IV.MF5.EHN. 2017-09-22T20:16:21.65 0.6 undecidable manual S 19 28.5492 105 0.59 43
IV.FAGN.HHZ. 2017-09-22T20:16:21.29 0.3 undecidable manual P 160 56.5989 96 0.29 66
IV.RM33.EHZ. 2017-09-22T20:16:21.28 0.3 undecidable manual S 202 28.1496 105 0.31 69
IV.VCEL.EHZ. 2017-09-22T20:16:20.99 0.1 undecidable manual P 134 56.1993 96 0.06 93
IV.FIAM.HHZ. 2017-09-22T20:16:20.74 0.1 undecidable manual P 199 55.9995 96 -0.17 90
IV.MC2.EHZ. 2017-09-22T20:16:19.62 0.3 undecidable manual S 326 22.3554 112 0.13 72
IV.CAMP.HHZ. 2017-09-22T20:16:19.92 0.3 undecidable manual S 167 23.754 110 0.08 73
IV.TERO.HHZ. 2017-09-22T20:16:19.89 0.6 undecidable manual S 122 25.1526 108 -0.3 45
IV.CESI.HHZ. 2017-09-22T20:16:19.22 0.1 undecidable manual P 309 45.9207 98 -0.14 92
IV.ARRO.EHZ. 2017-09-22T20:16:19.96 0.1 undecidable manual P 249 50.616 97 -0.12 92
IV.T1221.EHZ. 2017-09-22T20:16:18.69 0.1 undecidable manual P 288 42.4242 98 -0.14 93
IV.CSP1.EHZ. 2017-09-22T20:16:18.25 0.1 undecidable manual P 344 40.1265 99 -0.23 91
IV.OFFI.HHZ. 2017-09-22T20:16:18.38 0.1 undecidable manual P 53 34.9428 101 0.7 82
IV.NRCA.HHZ. 2017-09-22T20:16:18.92 0.1 undecidable manual S 298 21.1677 113 -0.26 95
IV.SMA1.EHZ. 2017-09-22T20:16:17.08 0.3 undecidable manual S 183 12.6762 132 -0.19 72
IV.FDMO.HHZ. 2017-09-22T20:16:17.91 0.1 undecidable manual P 327 38.5281 100 -0.32 90
IV.T1299.HNZ. 2017-09-22T20:16:17.72 0.1 undecidable manual S 202 13.2756 130 0.34 93
IV.T1247.HHZ. 2017-09-22T20:16:17.52 0.1 undecidable manual P 186 33.8439 102 0 96
IV.FEMA.HNE. 2017-09-22T20:16:17.40 0.1 undecidable manual P 315 33.9438 102 -0.14 94
IV.MMO1.EHZ. 2017-09-22T20:16:17.84 0.1 undecidable manual S 355 17.1717 121 -0.4 92
IV.GIGS.HHZ. 2017-09-22T20:16:17.74 0.1 undecidable manual P 150 37.3293 100 -0.31 89
IV.T1214.EHZ. 2017-09-22T20:16:17.04 0.3 undecidable manual S 279 11.1777 136 0.07 74
IV.GUMA.HHZ. 2017-09-22T20:16:17.81 0.1 undecidable manual P 359 35.2425 101 0.07 96
IV.RM33.EHZ. 2017-09-22T20:16:16.72 0.1 positive manual P 202 28.1496 105 0.04 97
IV.CAMP.HHZ. 2017-09-22T20:16:16.00 0.1 positive manual P 167 23.754 110 -0.03 97
IV.MF5.EHN. 2017-09-22T20:16:16.96 0.1 undecidable manual P 19 28.5492 105 0.23 94
IV.TERO.HHZ. 2017-09-22T20:16:16.08 0.1 undecidable manual P 122 25.1526 108 -0.15 94
IV.NRCA.HHZ. 2017-09-22T20:16:15.55 0.1 negative manual P 298 21.1677 113 -0.1 97
IV.MC2.EHZ. 2017-09-22T20:16:15.79 0.1 negative manual P 326 22.3554 112 -0.04 98
IV.MTRA.EHZ. 2017-09-22T20:16:15.72 0.3 undecidable manual S 73 4.4955 160 -0.31 71
IV.T1214.EHZ. 2017-09-22T20:16:14.51 0.1 undecidable manual P 279 11.1777 136 0.14 98
IV.SMA1.EHZ. 2017-09-22T20:16:14.66 0.1 undecidable manual P 183 12.6762 132 0.11 98
IV.T1299.HNZ. 2017-09-22T20:16:14.86 0.1 positive manual P 202 13.2756 130 0.25 95
IV.MMO1.EHZ. 2017-09-22T20:16:14.91 0.1 undecidable manual P 355 17.1717 121 -0.2 96
IV.MTRA.EHZ. 2017-09-22T20:16:13.76 0.1 undecidable manual P 73 4.4955 160 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:2.7 0.0064422164999999995 0.192 AML other m 2017-09-22T20:16:15.88
IV.MTRA.HNE. ML:2.8 0.0065005365 0.192 AML other m 2017-09-22T20:16:15.88
IV.MTRA.HNN. ML:2.4 0.0029444895 0.2304 AML other m 2017-09-22T20:16:16.08
IV.MTRA.EHN. ML:2.4 0.002946504 0.2432 AML other m 2017-09-22T20:16:16.08
IV.T1214.HNE. ML:2.6 0.003947575 0.1792 AML other m 2017-09-22T20:16:18.36
IV.T1214.EHN. ML:2.2 0.001433306 0.1152 AML other m 2017-09-22T20:16:17.64
IV.T1214.HNN. ML:2.2 0.00160133 0.1152 AML other m 2017-09-22T20:16:17.64
IV.T1214.EHE. ML:2.6 0.0037821540000000002 0.1792 AML other m 2017-09-22T20:16:18.36
IV.SMA1.EHE. ML:2.2 0.00133806855 0.0768 AML other m 2017-09-22T20:16:17.51
IV.SMA1.EHN. ML:2.2 0.0013528614999999999 0.1024 AML other m 2017-09-22T20:16:17.42
IV.T1299.EHN. ML:2.0 0.0008818976000000001 0.1024 AML other m 2017-09-22T20:16:17.94
IV.T1299.EHE. ML:2.0 0.00084938205 0.0896 AML other m 2017-09-22T20:16:17.86
IV.T1299.HNE. ML:2.0 0.0008508574 0.0896 AML other m 2017-09-22T20:16:17.86
IV.NRCA.HNN. ML:2.8 0.003810074 0.0896 AML other m 2017-09-22T20:16:19.16
IV.NRCA.HNE. ML:2.8 0.003753899 0.1024 AML other m 2017-09-22T20:16:19.48
IV.NRCA.HHE. ML:2.8 0.00408223 0.1024 AML other m 2017-09-22T20:16:19.48
IV.NRCA.HHN. ML:2.8 0.0041816995 0.0768 AML other m 2017-09-22T20:16:19.16
IV.CAMP.HHE. ML:1.8 0.0003826085 0.3328 AML other m 2017-09-22T20:16:19.99
IV.CAMP.HHN. ML:1.5 0.00016932740000000001 0.3456 AML other m 2017-09-22T20:16:21.16
IV.TERO.HNE. ML:1.6 0.00022972345 0.0768 AML other m 2017-09-22T20:16:20.59
IV.TERO.HHN. ML:2.1 0.00063296825 0.0768 AML other m 2017-09-22T20:16:20.67
IV.TERO.HHE. ML:2.0 0.0004825753 0.0768 AML other m 2017-09-22T20:16:20.84
IV.TERO.HNN. ML:1.8 0.00034604835 0.1152 AML other m 2017-09-22T20:16:20.88
IV.RM33.HNN. ML:2.0 0.0005169204000000001 0.1408 AML other m 2017-09-22T20:16:21.46
IV.RM33.EHE. ML:2.1 0.0006177419 0.1408 AML other m 2017-09-22T20:16:22.42
IV.RM33.HNE. ML:2.1 0.00062345615 0.1408 AML other m 2017-09-22T20:16:22.41
IV.RM33.EHN. ML:2.0 0.0005000889 0.128 AML other m 2017-09-22T20:16:21.47
IV.T1247.HHN. ML:2.3 0.0008585565 0.1792 AML other m 2017-09-22T20:16:24.38
IV.T1247.HHE. ML:2.3 0.00078174255 0.1792 AML other m 2017-09-22T20:16:22.94
IV.GIGS.HHN. ML:1.5 0.000121095705 0.1792 AML other m 2017-09-22T20:16:23.55
IV.GIGS.HHE. ML:1.5 0.00010482995000000001 0.1024 AML other m 2017-09-22T20:16:23.84
IV.GUMA.HHE. ML:2.4 0.0009887784 0.2688 AML other m 2017-09-22T20:16:23.69
IV.GUMA.HHN. ML:2.4 0.0010710583499999999 0.32 AML other m 2017-09-22T20:16:24.19
IV.GUMA.HNE. ML:2.4 0.0010028210500000001 0.3584 AML other m 2017-09-22T20:16:26.32
IV.FDMO.HHN. ML:1.9 0.0002900122 0.2816 AML other m 2017-09-22T20:16:23.80
IV.FDMO.HHE. ML:1.8 0.00022812085 0.1536 AML other m 2017-09-22T20:16:24.31
IV.CSP1.EHE. ML:1.9 0.00023629235 0.2048 AML other m 2017-09-22T20:16:24.24
IV.CSP1.EHN. ML:2.0 0.00034813285 0.3712 AML other m 2017-09-22T20:16:24.19
IV.OFFI.HHE. ML:2.2 0.00060272245 0.1792 AML other m 2017-09-22T20:16:25.24
IV.OFFI.HHN. ML:2.2 0.0006595724 0.32 AML other m 2017-09-22T20:16:25.16
IV.T1221.EHN. ML:2.1 0.0003667497199999999 0.2048 AML other m 2017-09-22T20:16:25.47
IV.T1221.HNN. ML:2.1 0.00038011905 0.2176 AML other m 2017-09-22T20:16:25.57
IV.T1221.HNE. ML:1.8 0.00020518605000000001 0.2432 AML other m 2017-09-22T20:16:26.73
IV.T1221.EHE. ML:1.8 0.00018417785 0.2432 AML other m 2017-09-22T20:16:26.73
IV.CESI.HHN. ML:2.5 0.0008755535999999999 0.1664 AML other m 2017-09-22T20:16:26.39
IV.CESI.HHE. ML:2.2 0.0004210073 0.2176 AML other m 2017-09-22T20:16:25.00
IV.ARRO.EHN. ML:1.8 0.00014549590000000002 0.192 AML other m 2017-09-22T20:16:29.20
IV.ARRO.EHE. ML:1.8 0.00015762755 0.1536 AML other m 2017-09-22T20:16:28.67
IV.VCEL.EHN. ML:2.0 0.00024730335 0.2816 AML other m 2017-09-22T20:16:30.68
IV.VCEL.EHE. ML:1.9 0.0001916033 0.1792 AML other m 2017-09-22T20:16:29.66
IV.FAGN.HHN. ML:2.1 0.000275779 0.3712 AML other m 2017-09-22T20:16:32.38
IV.FAGN.HHE. ML:2.2 0.0003344932 0.3584 AML other m 2017-09-22T20:16:33.43
IV.CESX.HHE. ML:1.7 0.000094950385 0.4992 AML other m 2017-09-22T20:16:35.94
IV.CESX.HHN. ML:1.7 0.00009264728 0.2176 AML other m 2017-09-22T20:16:32.08
IV.MOMA.HHN. ML:2.1 0.0002180319 0.3072 AML other m 2017-09-22T20:16:32.92
IV.MOMA.HNE. ML:2.2 0.00028395760000000003 0.1664 AML other m 2017-09-22T20:16:32.33
IV.MOMA.HHE. ML:2.2 0.00028711695 0.1536 AML other m 2017-09-22T20:16:32.41
IV.T0110.HHE. ML:1.9 0.00014796189999999998 0.256 AML other m 2017-09-22T20:16:34.69
IV.T0110.HHN. ML:2.0 0.00016971245000000002 0.4864 AML other m 2017-09-22T20:16:33.62
IV.EL6.EHE. ML:1.9 0.000148576915 0.2176 AML other m 2017-09-22T20:16:34.54
IV.EL6.EHN. ML:2.0 0.00015396289100000002 0.1408 AML other m 2017-09-22T20:16:33.42
IV.CING.HHN. ML:1.7 0.000085769455 0.2432 AML other m 2017-09-22T20:16:33.49
IV.CING.HHE. ML:2.0 0.00015059315 0.32 AML other m 2017-09-22T20:16:34.27
IV.FOSV.EHE. ML:1.6 0.00006016975 0.2816 AML other m 2017-09-22T20:16:35.39
IV.FOSV.EHN. ML:1.8 0.000086113825 0.2816 AML other m 2017-09-22T20:16:36.39
IV.MURB.HNN. ML:2.2 0.00020492765000000002 0.384 AML other m 2017-09-22T20:16:43.44
IV.MURB.HHE. ML:2.3 0.00023865815000000001 0.256 AML other m 2017-09-22T20:16:39.78
IV.MURB.HNE. ML:2.3 0.00022258445 0.2432 AML other m 2017-09-22T20:16:39.67
IV.MURB.HHN. ML:2.1 0.0001618053 0.2688 AML other m 2017-09-22T20:16:43.74
IV.SRES.HHE. ML:1.5 0.000035285554999999997 0.256 AML other m 2017-09-22T20:16:42.78
IV.SRES.HHN. ML:1.5 0.000033520259999999995 0.5888 AML other m 2017-09-22T20:16:41.32
IV.PIEI.HHE. ML:1.5 0.000026205650000000002 0.1408 AML other m 2017-09-22T20:16:46.04
IV.PIEI.HHN. ML:1.4 0.000021838535 0.1792 AML other m 2017-09-22T20:16:47.86
IV.FSSB.HHN. ML:2.1 0.00008800239 0.384 AML other m 2017-09-22T20:16:49.40
IV.FSSB.HHE. ML:1.9 0.00006536586999999999 0.3968 AML other m 2017-09-22T20:16:47.58
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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