Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 28-02-2017 and time 18:54:03 (UTC) in region 4 km SW Arquata del Tronto (AP)

A magnitude ML 2.2 earthquake occured in region: 4 km SW Arquata del Tronto (AP), on

  • 28-02-2017 18:54:03 (UTC)
  • 28-02-2017 19:54:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7390, 13.2750 at 15 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 4 1178 1178
Accumoli RI 5 667 1845
Acquasanta Terme AP 12 2916 4761
Amatrice RI 12 2657 7418
Montegallo AP 13 523 7941
Norcia PG 16 4957 12898
Cittareale RI 16 482 13380
Valle Castellana TE 18 977 14357
Montemonaco AP 18 604 14961
Castelsantangelo sul Nera MC 20 281 15242

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km W of Teramo (54892 inhabitants)
44 Km N of L'Aquila (69753 inhabitants)
52 Km E of Foligno (57155 inhabitants)
55 Km E of Terni (111501 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
83 Km W of Pescara (121014 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
85 Km NW of Chieti (51815 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
100 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 2.2 2017-02-28
18:54:03		 42.7392 13.2748 15 2019-07-19
13:20:51		 Bollettino Sismico Italiano INGV 61836921
Reviewed
Rev100 		ML 2.2 2017-02-28
18:54:03		 42.7423 13.282 15 2017-02-28
19:01:44		 Sala Sismica INGV-Roma 41766301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-28 18:54:03 ± 0.04
Latitude 42.7392 ± 0.0018
Longitude 13.2748 ± 0.0024
Depth (km) 15 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 61836921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 240
Semi-minor axis of confidence ellipse (meter) 23
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 35
Number of associated phases, regardless of their use for origin computation 64
Number of defining phases 64
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.79680
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 83
Type of magnitude ML
Reference to an origin 61836921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-10-11 09:07:24

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 23
Type of magnitude ML
Reference to an origin 41766301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-28 19:01:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2017-02-28T18:54:19.18 0.3 undecidable manual P 342 88.4448 93 0.14 63
IV.CESI.HHZ. 2017-02-28T18:54:18.02 0.6 undecidable manual S 315 42.1245 98 0.27 45
IV.T1220.EHZ. 2017-02-28T18:54:18.66 0.6 undecidable manual S 340 43.8228 97 0.45 43
IV.GIGS.HHZ. 2017-02-28T18:54:17.03 0.3 undecidable manual S 142 40.0266 98 -0.15 69
IV.T1222.EHZ. 2017-02-28T18:54:17.69 0.6 undecidable manual S 208 42.2244 98 -0.09 46
IV.T1211.EHZ. 2017-02-28T18:54:17.83 0.6 undecidable manual S 236 41.2254 98 0.32 44
IV.T1219.EHZ. 2017-02-28T18:54:17.65 0.6 undecidable manual S 328 41.4252 98 0.09 46
IV.CSP1.EHZ. 2017-02-28T18:54:17.29 0.3 undecidable manual S 352 39.5271 99 0.23 68
IV.CING.HHZ. 2017-02-28T18:54:16.37 0.3 undecidable manual P 355 70.8735 94 0.03 67
IV.FDMO.HHZ. 2017-02-28T18:54:16.19 0.3 undecidable manual S 335 36.3414 100 -0.03 71
IV.T1215.EHZ. 2017-02-28T18:54:15.66 0.6 undecidable manual S 282 33.8439 101 0.1 47
IV.T1247.HHZ. 2017-02-28T18:54:15.67 0.6 undecidable manual S 177 33.0447 101 0.31 45
IV.SNTG.HHZ. 2017-02-28T18:54:15.08 0.3 undecidable manual P 335 63.2922 95 -0.1 66
IV.TRTR.HHZ. 2017-02-28T18:54:14.62 0.3 undecidable manual P 81 52.6029 96 1.09 49
IV.T1217.EHZ. 2017-02-28T18:54:14.16 0.6 undecidable manual S 264 28.1496 104 0.07 48
IV.CESX.HHZ. 2017-02-28T18:54:14.20 0.1 undecidable manual P 256 57.9975 95 -0.15 89
IV.TERO.HHZ. 2017-02-28T18:54:14.13 0.3 undecidable manual S 116 29.748 103 -0.37 67
IV.FIAM.HHZ. 2017-02-28T18:54:13.54 0.1 undecidable manual P 194 53.8017 96 -0.18 89
IV.T1216.EHZ. 2017-02-28T18:54:13.63 0.3 undecidable manual S 309 26.751 105 -0.09 71
IV.T1246.HHN. 2017-02-28T18:54:13.09 0.6 undecidable manual S 134 24.8529 107 -0.13 47
IV.RM33.EHZ. 2017-02-28T18:54:13.66 0.3 undecidable manual S 191 26.0517 106 0.12 71
IV.LNSS.HHZ. 2017-02-28T18:54:13.36 0.3 undecidable manual S 232 24.3534 108 0.24 69
IV.T1220.EHZ. 2017-02-28T18:54:12.12 0.3 undecidable manual P 340 43.8228 97 -0.07 69
IV.OFFI.HHZ. 2017-02-28T18:54:12.37 0.1 undecidable manual P 57 39.8268 98 0.79 76
IV.MC2.EHZ. 2017-02-28T18:54:12.30 0.3 undecidable manual S 340 20.3685 113 0.19 71
IV.ARRO.EHZ. 2017-02-28T18:54:12.30 0.1 undecidable manual P 247 45.2214 97 -0.1 92
IV.T1219.EHZ. 2017-02-28T18:54:11.69 0.1 undecidable manual P 328 41.4252 98 -0.13 91
IV.T1241.EHZ. 2017-02-28T18:54:11.30 0.3 undecidable manual S 44 18.1707 117 -0.28 69
IV.CSP1.EHZ. 2017-02-28T18:54:11.44 0.3 undecidable manual P 352 39.5271 99 -0.09 69
IV.T1212.EHZ. 2017-02-28T18:54:11.69 0.1 undecidable manual S 274 18.7701 116 -0.04 97
IV.GIGS.HHZ. 2017-02-28T18:54:11.49 0.3 undecidable manual P 142 40.0266 98 -0.11 69
IV.CESI.HHZ. 2017-02-28T18:54:11.92 0.1 undecidable manual P 315 42.1245 98 -0.01 94
IV.NRCA.HNZ. 2017-02-28T18:54:11.00 0.1 undecidable manual S 309 16.7721 120 -0.25 93
IV.T1222.EHZ. 2017-02-28T18:54:11.76 0.1 undecidable manual P 208 42.2244 98 -0.19 91
IV.T1211.EHZ. 2017-02-28T18:54:11.69 0.1 undecidable manual P 236 41.2254 98 -0.1 92
IV.MMO1.HNZ. 2017-02-28T18:54:11.37 0.1 undecidable manual S -0.08 98
IV.FDMO.HHZ. 2017-02-28T18:54:10.88 0.1 negative manual P 335 36.3414 100 -0.16 92
IV.T1247.HHZ. 2017-02-28T18:54:10.56 0.3 undecidable manual P 177 33.0447 101 0.01 72
IV.SMA1.EHZ. 2017-02-28T18:54:10.25 0.6 undecidable manual S 158 13.0758 129 -0.18 48
IV.T1213.HNE. 2017-02-28T18:54:10.27 0.6 undecidable manual S 263 12.2766 132 0 50
IV.T1218.EHZ. 2017-02-28T18:54:10.94 0.1 undecidable manual S 240 15.0738 124 0.06 97
IV.T1215.EHZ. 2017-02-28T18:54:10.59 0.1 undecidable manual P 282 33.8439 101 -0.07 94
IV.T1299.EHZ. 2017-02-28T18:54:10.24 0.1 undecidable manual S 177 11.6772 133 0.09 97
IV.T1217.EHZ. 2017-02-28T18:54:09.76 0.1 undecidable manual P 264 28.1496 104 -0.05 95
IV.LNSS.HHZ. 2017-02-28T18:54:09.31 0.1 positive manual P 232 24.3534 108 0.06 96
IV.TERO.HHZ. 2017-02-28T18:54:09.84 0.1 positive manual P 116 29.748 103 -0.21 92
IV.T1204.EHZ. 2017-02-28T18:54:09.33 0.1 undecidable manual S 154 7.7811 147 -0.16 97
IV.T1216.EHZ. 2017-02-28T18:54:09.51 0.1 negative manual P 309 26.751 105 -0.09 95
IV.T1246.HHN. 2017-02-28T18:54:09.24 0.1 undecidable manual P 134 24.8529 107 -0.07 96
IV.T1201.HNN. 2017-02-28T18:54:09.90 0.6 undecidable manual S 192 9.2796 141 0.17 48
IV.RM33.EHZ. 2017-02-28T18:54:09.54 0.1 positive manual P 191 26.0517 106 0.05 96
IV.MC2.EHZ. 2017-02-28T18:54:08.72 0.1 negative manual P 340 20.3685 113 0.05 97
IV.NRCA.HNZ. 2017-02-28T18:54:08.12 0.1 negative manual P 309 16.7721 120 -0.06 97
IV.MMO1.HNZ. 2017-02-28T18:54:08.34 0.1 undecidable manual P 0.07 99
IV.T1241.EHZ. 2017-02-28T18:54:08.27 0.1 undecidable manual P 44 18.1707 117 -0.09 96
IV.T1212.EHZ. 2017-02-28T18:54:08.46 0.1 positive manual P 274 18.7701 116 0.01 98
IV.T1218.EHZ. 2017-02-28T18:54:08.03 0.1 positive manual P 240 15.0738 124 0.07 97
IV.T1244.EHZ. 2017-02-28T18:54:08.87 0.3 undecidable manual S 43 2.6973 168 -0.09 74
IV.T1201.HNN. 2017-02-28T18:54:07.50 0.1 undecidable manual P 192 9.2796 141 0.2 96
IV.T1299.EHZ. 2017-02-28T18:54:07.71 0.1 undecidable manual P 177 11.6772 133 0.17 96
IV.SMA1.EHZ. 2017-02-28T18:54:07.73 0.1 negative manual P 158 13.0758 129 0.03 98
IV.T1213.HNE. 2017-02-28T18:54:07.68 0.1 undecidable manual P 263 12.2766 132 0.07 98
IV.T1204.EHZ. 2017-02-28T18:54:07.26 0.1 undecidable manual P 154 7.7811 147 0.1 98
IV.T1244.EHZ. 2017-02-28T18:54:06.89 0.1 undecidable manual P 43 2.6973 168 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1299.HNN. ML:2.1 0.0012428504000000001 0.2432 AML other m 2017-02-28T18:54:10.32
IV.T1299.EHN. ML:2.1 0.00120200295 0.256 AML other m 2017-02-28T18:54:10.32
IV.T1299.HNE. ML:2.1 0.0011610227000000003 0.1408 AML other m 2017-02-28T18:54:10.37
IV.T1299.EHE. ML:2.1 0.00118195345 0.1408 AML other m 2017-02-28T18:54:10.37
IV.SMA1.EHE. ML:2.1 0.0011713592 0.2688 AML other m 2017-02-28T18:54:11.48
IV.SMA1.EHN. ML:2.4 0.0022910680000000003 0.2944 AML other m 2017-02-28T18:54:10.50
IV.T1218.EHE. ML:2.8 0.005762652 0.1664 AML other m 2017-02-28T18:54:11.29
IV.T1218.HNE. ML:2.9 0.0061074215 0.1664 AML other m 2017-02-28T18:54:11.29
IV.T1218.HNN. ML:3.1 0.009334348999999999 0.128 AML other m 2017-02-28T18:54:11.34
IV.T1218.EHN. ML:3.1 0.009678869500000001 0.128 AML other m 2017-02-28T18:54:11.34
IV.NRCA.HNE. ML:3.0 0.0076567595 0.1664 AML other m 2017-02-28T18:54:11.49
IV.NRCA.HHN. ML:2.9 0.0064241825 0.1536 AML other m 2017-02-28T18:54:11.25
IV.NRCA.HNN. ML:2.9 0.0060532699999999995 0.1536 AML other m 2017-02-28T18:54:11.25
IV.NRCA.HHE. ML:3.0 0.0080754965 0.1536 AML other m 2017-02-28T18:54:11.49
IV.T1241.HNN. ML:2.1 0.0008425165 0.2816 AML other m 2017-02-28T18:54:13.29
IV.T1241.EHE. ML:2.6 0.0028955549999999997 0.2048 AML other m 2017-02-28T18:54:11.47
IV.T1241.EHN. ML:2.1 0.0008866106 0.2816 AML other m 2017-02-28T18:54:14.03
IV.T1241.HNE. ML:2.6 0.0028877725 0.2048 AML other m 2017-02-28T18:54:11.46
IV.T1212.EHE. ML:2.4 0.0015269435 0.1024 AML other m 2017-02-28T18:54:11.86
IV.T1212.HNN. ML:2.5 0.002213392 0.2944 AML other m 2017-02-28T18:54:12.06
IV.T1212.EHN. ML:2.5 0.0022261175 0.2688 AML other m 2017-02-28T18:54:12.07
IV.T1212.HNE. ML:2.4 0.0016113369 0.1024 AML other m 2017-02-28T18:54:11.86
IV.LNSS.HHE. ML:2.5 0.001604777 0.2432 AML other m 2017-02-28T18:54:13.65
IV.LNSS.HHN. ML:2.6 0.002311642 0.2176 AML other m 2017-02-28T18:54:13.57
IV.T1216.EHE. ML:2.5 0.0016928579 0.1024 AML other m 2017-02-28T18:54:14.62
IV.T1216.EHN. ML:2.7 0.002452847 0.2816 AML other m 2017-02-28T18:54:15.08
IV.RM33.EHE. ML:2.0 0.0005850946 0.3072 AML other m 2017-02-28T18:54:14.37
IV.RM33.HNE. ML:2.1 0.0006224349 0.2944 AML other m 2017-02-28T18:54:14.37
IV.RM33.EHN. ML:2.1 0.0006928067 0.2176 AML other m 2017-02-28T18:54:14.36
IV.RM33.HNN. ML:2.1 0.00067828115 0.2304 AML other m 2017-02-28T18:54:14.37
IV.T1217.EHE. ML:2.0 0.00048016210000000005 0.1024 AML other m 2017-02-28T18:54:14.33
IV.T1217.EHN. ML:2.0 0.0005146387 0.2432 AML other m 2017-02-28T18:54:14.66
IV.T1217.HNE. ML:2.1 0.00055910185 0.1024 AML other m 2017-02-28T18:54:14.33
IV.T1217.HNN. ML:2.0 0.0005440343 0.2432 AML other m 2017-02-28T18:54:14.66
IV.TERO.HNE. ML:2.2 0.00075740065 0.1152 AML other m 2017-02-28T18:54:15.52
IV.TERO.HNN. ML:2.0 0.0005444544999999999 0.0896 AML other m 2017-02-28T18:54:15.29
IV.TERO.HHE. ML:2.2 0.00084551145 0.1152 AML other m 2017-02-28T18:54:15.52
IV.TERO.HHN. ML:2.1 0.00061078245 0.0896 AML other m 2017-02-28T18:54:15.29
IV.T1215.HNE. ML:2.0 0.0003837347 0.1024 AML other m 2017-02-28T18:54:16.20
IV.T1215.EHN. ML:2.0 0.00039004670000000003 0.128 AML other m 2017-02-28T18:54:15.79
IV.T1215.HNN. ML:2.0 0.0004172308 0.1152 AML other m 2017-02-28T18:54:15.79
IV.T1215.EHE. ML:2.0 0.00038011869 0.1024 AML other m 2017-02-28T18:54:16.20
IV.FDMO.HHE. ML:2.0 0.00034182060000000005 0.2304 AML other m 2017-02-28T18:54:17.34
IV.FDMO.HHN. ML:2.2 0.00055780125 0.2944 AML other m 2017-02-28T18:54:16.51
IV.CSP1.EHE. ML:2.1 0.00038058514999999996 0.1408 AML other m 2017-02-28T18:54:17.72
IV.CSP1.EHN. ML:2.1 0.00043208365 0.2432 AML other m 2017-02-28T18:54:18.55
IV.GIGS.HHN. ML:1.3 0.00005805192 0.1152 AML other m 2017-02-28T18:54:17.75
IV.GIGS.HHE. ML:1.4 0.00009169733499999999 0.192 AML other m 2017-02-28T18:54:17.29
IV.T1211.HNN. ML:2.3 0.0006514257999999999 0.3712 AML other m 2017-02-28T18:54:18.14
IV.T1219.EHN. ML:2.5 0.00098706415 0.256 AML other m 2017-02-28T18:54:17.99
IV.T1211.EHE. ML:2.1 0.00041516850000000006 0.1408 AML other m 2017-02-28T18:54:18.32
IV.T1211.EHN. ML:2.3 0.0006266122000000001 0.3456 AML other m 2017-02-28T18:54:18.14
IV.T1211.HNE. ML:2.1 0.00040838435 0.1408 AML other m 2017-02-28T18:54:18.32
IV.T1219.HNN. ML:2.5 0.00100601045 0.256 AML other m 2017-02-28T18:54:17.98
IV.T1219.HNE. ML:2.3 0.0006114846499999999 0.2432 AML other m 2017-02-28T18:54:18.62
IV.T1219.EHE. ML:2.3 0.0006111071 0.2432 AML other m 2017-02-28T18:54:18.50
IV.T1222.HNE. ML:2.1 0.0003697579 0.4352 AML other m 2017-02-28T18:54:19.03
IV.T1222.EHN. ML:1.8 0.00022013479999999998 0.192 AML other m 2017-02-28T18:54:18.20
IV.T1222.EHE. ML:2.0 0.00031224125 0.192 AML other m 2017-02-28T18:54:19.34
IV.T1222.HNN. ML:1.9 0.0002503759 0.3584 AML other m 2017-02-28T18:54:20.67
IV.CESI.HHE. ML:2.3 0.00067389685 0.1792 AML other m 2017-02-28T18:54:18.30
IV.CESI.HHN. ML:2.6 0.0011721154999999998 0.4224 AML other m 2017-02-28T18:54:18.25
IV.T1220.EHN. ML:2.6 0.0013245560000000002 0.1792 AML other m 2017-02-28T18:54:19.92
IV.T1220.EHE. ML:2.6 0.001254038 0.2304 AML other m 2017-02-28T18:54:20.95
IV.T1220.HNN. ML:2.6 0.0013115355 0.1664 AML other m 2017-02-28T18:54:19.91
IV.ARRO.EHN. ML:1.8 0.0001715691 0.1792 AML other m 2017-02-28T18:54:21.71
IV.ARRO.EHE. ML:1.8 0.0001811746 0.1664 AML other m 2017-02-28T18:54:20.22
IV.OFFI.HHN. ML:2.5 0.0009774273 0.2816 AML other m 2017-02-28T18:54:19.94
IV.OFFI.HHE. ML:2.5 0.001073066 0.448 AML other m 2017-02-28T18:54:22.11
IV.FIAM.HHN. ML:1.7 0.00010753692 0.4736 AML other m 2017-02-28T18:54:25.18
IV.FIAM.HHE. ML:2.0 0.00024051974999999998 0.2432 AML other m 2017-02-28T18:54:21.48
IV.CESX.HHE. ML:1.8 0.00015172049999999997 0.6144 AML other m 2017-02-28T18:54:29.97
IV.CESX.HHN. ML:1.8 0.00012657258500000003 0.3328 AML other m 2017-02-28T18:54:24.97
IV.TRTR.HHE. ML:2.3 0.0004310173 0.2688 AML other m 2017-02-28T18:54:29.68
IV.TRTR.HHN. ML:2.2 0.00038021539999999996 0.4736 AML other m 2017-02-28T18:54:33.24
IV.ASSB.HHE. ML:2.1 0.00024119249999999997 0.3072 AML other m 2017-02-28T18:54:24.73
IV.ASSB.HHN. ML:2.2 0.0003075261 0.2048 AML other m 2017-02-28T18:54:23.41
IV.SNTG.HHN. ML:1.7 0.00009258705 0.128 AML other m 2017-02-28T18:54:26.27
IV.SNTG.HHE. ML:1.7 0.00009425486999999999 0.1024 AML other m 2017-02-28T18:54:25.60
IV.CING.HHN. ML:1.9 0.000125306855 0.1536 AML other m 2017-02-28T18:54:28.15
IV.CING.HHE. ML:1.9 0.00012167585000000001 0.1408 AML other m 2017-02-28T18:54:27.70
IV.ARVD.HHE. ML:1.6 0.000051815744999999996 0.1664 AML other m 2017-02-28T18:54:35.44
IV.ARVD.HHN. ML:1.5 0.000039577065 0.3072 AML other m 2017-02-28T18:54:33.55
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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