Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 02-08-2018 and time 03:06:19 (Italy) in region 1 km S Stroncone (TR)

A magnitude ML 2.3 earthquake occured in region: 1 km S Stroncone (TR), on

  • 02-08-2018 01:06:19 (UTC)
  • 02-08-2018 03:06:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4910, 12.6630 at 7 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
Stroncone TR 1 4917 4917
Configni RI 8 633 5550
Terni TR 8 111501 117051
Cottanello RI 10 563 117614
Greccio RI 10 1558 119172
Colli sul Velino RI 10 533 119705
Vacone RI 12 256 119961
Montasola RI 12 395 120356
Labro RI 12 374 120730
Contigliano RI 12 3783 124513
Narni TR 12 19785 144298
Calvi dell'Umbria TR 13 1856 146154
Arrone TR 14 2763 148917
Morro Reatino RI 15 373 149290
Montefranco TR 15 1276 150566
Montebuono RI 15 883 151449
Torri in Sabina RI 15 1256 152705
Tarano RI 16 1444 154149
Rivodutri RI 16 1253 155402
San Gemini TR 17 5018 160420
Otricoli TR 17 1869 162289
Casperia RI 17 1246 163535
Ferentillo TR 18 1913 165448
Polino TR 18 233 165681
Poggio Bustone RI 18 2055 167736
Rieti RI 19 47698 215434
Roccantica RI 19 563 215997
Selci RI 19 1106 217103
Collevecchio RI 19 1577 218680

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km S of Terni (111501 inhabitants)
46 Km E of Viterbo (67173 inhabitants)
52 Km S of Foligno (57155 inhabitants)
55 Km N of Guidonia Montecelio (88673 inhabitants)
60 Km N of Tivoli (56533 inhabitants)
62 Km W of L'Aquila (69753 inhabitants)
68 Km N of Roma (2864731 inhabitants)
72 Km SE of Perugia (166134 inhabitants)
84 Km NE of Civitavecchia (52991 inhabitants)
87 Km NE of Fiumicino (78395 inhabitants)
87 Km W of Teramo (54892 inhabitants)
90 Km N of Velletri (53303 inhabitants)
92 Km N of Pomezia (62966 inhabitants)
100 Km N of Aprilia (73446 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 2.3 2018-08-02
01:06:19		 42.4913 12.6627 7 2019-04-24
14:50:51		 Bollettino Sismico Italiano INGV 59430711
Reviewed
Rev100 		ML 2.3 2018-08-02
01:06:19		 42.4917 12.6645 8 2018-08-02
01:13:16		 Sala Sismica INGV-Roma 59255211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-02 01:06:19 ± 0.08
Latitude 42.4913 ± 0.0036
Longitude 12.6627 ± 0.0061
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 59430711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 393
Semi-minor axis of confidence ellipse (meter) 259
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 38
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 60
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.11601
Epicentral distance of station farthest from the epicenter (degree) 1.13135
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 43
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 84
Type of magnitude ML
Reference to an origin 59430711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-05 13:42:34

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 82
Type of magnitude ML
Reference to an origin 59255211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-02 01:13:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2018-08-02T01:06:43.84 1.0 undecidable manual S 33 79.8645 50 0.14 22
IV.SACS.HHZ. 2018-08-02T01:06:43.43 1.0 undecidable manual S 303 73.1712 50 1.54 12
IV.LATE.HHZ. 2018-08-02T01:06:42.26 1.0 undecidable manual S 281 71.4729 50 0.81 18
IV.FDMO.HHZ. 2018-08-02T01:06:41.17 0.6 undecidable manual S 30 69.6747 50 0.2 44
IV.MAON.HHZ. 2018-08-02T01:06:40.28 1.0 undecidable manual P 267 125.5743 50 -0.03 20
IV.CERT.HHZ. 2018-08-02T01:06:40.22 0.6 undecidable manual S 156 65.5899 50 0.34 43
IV.PIEI.HHZ. 2018-08-02T01:06:39.24 0.6 undecidable manual P 355 116.2947 50 0.35 39
IV.MC2.EHZ. 2018-08-02T01:06:39.83 0.6 undecidable manual S 42 63.3921 50 0.55 41
IV.ATPI.EHZ. 2018-08-02T01:06:38.13 0.3 undecidable manual P 349 108.5136 50 0.45 58
IV.CESI.HHZ. 2018-08-02T01:06:38.37 1.0 undecidable manual S 19 60.2952 50 -0.09 23
IV.SMA1.EHZ. 2018-08-02T01:06:38.21 0.6 undecidable manual S 74 57.0984 50 0.6 41
IV.ARVD.HHZ. 2018-08-02T01:06:38.62 0.3 undecidable manual P 11 113.997 50 0.1 62
IV.CING.HHZ. 2018-08-02T01:06:37.47 0.3 undecidable manual P 24 107.2149 50 -0.01 64
IV.GIUL.HHZ. 2018-08-02T01:06:37.93 0.3 undecidable manual P 155 114.3966 50 -0.66 53
TV.SF01.EHZ. 2018-08-02T01:06:37.04 0.6 undecidable manual P 292 96.5256 50 1.21 29
IV.MTCE.HHZ. 2018-08-02T01:06:37.07 0.6 undecidable manual S 173 52.4031 50 0.72 39
IV.CAFI.HHZ. 2018-08-02T01:06:37.62 0.3 undecidable manual P 329 108.8133 50 -0.11 62
IV.ATVO.HHZ. 2018-08-02T01:06:36.64 0.3 undecidable manual P 348 101.0211 50 0.12 63
IV.NRCA.HHZ. 2018-08-02T01:06:36.21 0.6 undecidable manual S 44 52.9026 50 -0.28 45
IV.OFFI.HHZ. 2018-08-02T01:06:36.80 0.3 undecidable manual P 59 96.8253 50 0.92 49
IV.EL6.EHZ. 2018-08-02T01:06:36.25 0.3 undecidable manual P 21 99.5226 50 -0.06 64
IV.ATMI.HHZ. 2018-08-02T01:06:36.52 0.3 undecidable manual P 341 98.8233 50 0.33 61
TV.SF04.EHZ. 2018-08-02T01:06:34.97 0.6 undecidable manual P 295 90.243 50 0.1 43
IV.FOSV.EHZ. 2018-08-02T01:06:34.41 0.3 undecidable manual P 5 89.5437 50 -0.34 62
IV.MURB.HHZ. 2018-08-02T01:06:34.20 0.3 undecidable manual P 353 86.3469 50 -0.07 66
IV.FIAM.HHZ. 2018-08-02T01:06:34.41 0.6 undecidable manual S 123 44.7219 50 0.1 47
IV.MF5.EHZ. 2018-08-02T01:06:34.49 0.6 undecidable manual P 49 85.1481 50 0.41 41
IV.RM33.EHZ. 2018-08-02T01:06:34.35 0.6 undecidable manual S 87 45.2214 50 -0.08 47
IV.FAGN.HHZ. 2018-08-02T01:06:33.75 0.6 undecidable manual P 108 79.5648 50 0.54 40
IV.ATTE.HHZ. 2018-08-02T01:06:33.61 0.6 undecidable manual P 342 82.3509 50 -0.04 44
IV.CSP1.EHZ. 2018-08-02T01:06:33.26 1.0 undecidable manual P 33 79.8645 50 -0.01 22
IV.PTQR.HHZ. 2018-08-02T01:06:33.71 0.6 undecidable manual P 130 79.8645 50 0.44 41
IV.SACS.HHZ. 2018-08-02T01:06:32.22 0.6 undecidable manual P 303 73.1712 50 -0.01 45
IV.ATCC.EHZ. 2018-08-02T01:06:32.49 0.3 undecidable manual P 359 76.9674 50 -0.34 63
IV.TERO.HHZ. 2018-08-02T01:06:32.64 0.3 undecidable manual P 79 78.2661 50 -0.38 62
IV.RMP.HHZ. 2018-08-02T01:06:32.90 0.6 undecidable manual P 178 75.5688 50 0.3 43
IV.RCAV.EHZ. 2018-08-02T01:06:32.43 0.6 undecidable manual P 162 75.1692 50 -0.11 44
IV.TOLF.HHN. 2018-08-02T01:06:31.76 0.3 undecidable manual P 229 72.1722 50 -0.32 64
IV.LATE.HHZ. 2018-08-02T01:06:31.85 1.0 undecidable manual P 281 71.4729 50 -0.12 22
IV.MOMA.HNZ. 2018-08-02T01:06:31.16 0.6 undecidable manual S 348 35.5422 101 -0.43 45
IV.FDMO.HHZ. 2018-08-02T01:06:31.46 0.1 undecidable manual P 30 69.6747 50 -0.24 87
IV.MMO1.EHZ. 2018-08-02T01:06:31.47 0.1 undecidable manual P 50 70.5738 50 -0.37 85
IV.SRES.HHZ. 2018-08-02T01:06:30.29 0.3 undecidable manual S 204 30.8469 103 0.27 70
IV.CERT.HHZ. 2018-08-02T01:06:30.66 0.1 undecidable manual P 156 65.5899 50 -0.41 85
IV.CAMP.HHZ. 2018-08-02T01:06:30.15 0.1 undecidable manual P 85 61.1943 50 -0.25 89
IV.LNSS.HHZ. 2018-08-02T01:06:30.99 0.6 undecidable manual S 68 33.2445 102 0.16 47
IV.MC2.EHZ. 2018-08-02T01:06:30.66 0.1 undecidable manual P 42 63.3921 50 -0.06 92
IV.SMA1.EHZ. 2018-08-02T01:06:29.75 0.1 undecidable manual P 74 57.0984 50 -0.01 94
IV.CESI.HHZ. 2018-08-02T01:06:29.94 0.1 undecidable manual P 19 60.2952 50 -0.31 87
IV.MTCE.HHZ. 2018-08-02T01:06:28.51 0.6 undecidable manual P 173 52.4031 50 -0.52 42
IV.NRCA.HHZ. 2018-08-02T01:06:28.78 0.1 undecidable manual P 44 52.9026 50 -0.33 88
IV.FIAM.HHZ. 2018-08-02T01:06:27.59 0.6 undecidable manual P 123 44.7219 50 -0.26 45
IV.RM33.EHZ. 2018-08-02T01:06:27.73 0.1 undecidable manual P 87 45.2214 50 -0.19 92
IV.SRES.HHZ. 2018-08-02T01:06:25.24 0.3 undecidable manual P 204 30.8469 103 -0.14 72
IV.MOMA.HNZ. 2018-08-02T01:06:25.72 0.1 undecidable manual P 348 35.5422 101 -0.56 86
IV.LNSS.HHZ. 2018-08-02T01:06:25.83 0.3 undecidable manual P 68 33.2445 102 -0.01 73
IV.ARRO.EHZ. 2018-08-02T01:06:25.19 0.6 undecidable manual S 41 12.876 119 1.05 36
IV.CESX.HHZ. 2018-08-02T01:06:24.69 1.0 undecidable manual S 334 14.3745 116 0.08 25
IV.ARRO.EHZ. 2018-08-02T01:06:22.41 0.3 undecidable manual P 41 12.876 119 0.43 70
IV.CESX.HHZ. 2018-08-02T01:06:22.31 0.1 positive manual P 334 14.3745 116 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESX.HHN. ML:2.5 0.003615 1.18 AML other m 2018-08-02T01:06:25.83
IV.ARRO.EHN. ML:2.6 0.0046099999999999995 1.16 AML other m 2018-08-02T01:06:26.09
IV.ARRO.EHE. ML:2.5 0.003565 0.22 AML other m 2018-08-02T01:06:26.56
IV.CESX.HHE. ML:2.4 0.002585 0.32 AML other m 2018-08-02T01:06:27.99
IV.LNSS.HHN. ML:2.4 0.00115 0.64 AML other m 2018-08-02T01:06:32.54
IV.LNSS.HHE. ML:2.5 0.0014750000000000002 0.26 AML other m 2018-08-02T01:06:33.37
IV.SRES.HHE. ML:2.0 0.0004925 1.08 AML other m 2018-08-02T01:06:33.15
IV.RM33.EHE. ML:2.3 0.0006345000000000001 0.24 AML other m 2018-08-02T01:06:35.06
IV.RM33.EHN. ML:2.2 0.0005105000000000001 0.82 AML other m 2018-08-02T01:06:35.28
IV.RM33.HNN. ML:2.3 0.0005525 0.82 AML other m 2018-08-02T01:06:35.28
IV.RM33.HNE. ML:2.4 0.0007059999999999999 0.88 AML other m 2018-08-02T01:06:36.20
IV.SRES.HHN. ML:1.9 0.000398 0.36 AML other m 2018-08-02T01:06:36.91
IV.FIAM.HHN. ML:2.1 0.0004255 0.58 AML other m 2018-08-02T01:06:37.62
IV.MTCE.HHN. ML:1.8 0.00013900000000000002 0.28 AML other m 2018-08-02T01:06:37.49
IV.NRCA.HHE. ML:2.6 0.0009585 0.18 AML other m 2018-08-02T01:06:37.64
IV.NRCA.HHN. ML:2.3 0.0005145 0.68 AML other m 2018-08-02T01:06:37.80
IV.SMA1.EHE. ML:2.4 0.0005954999999999999 0.56 AML other m 2018-08-02T01:06:38.86
IV.MTCE.HHE. ML:2.0 0.00022700000000000002 0.3 AML other m 2018-08-02T01:06:38.79
IV.CESI.HHN. ML:2.6 0.00088 0.36 AML other m 2018-08-02T01:06:40.25
IV.SMA1.EHN. ML:2.4 0.000496 1.48 AML other m 2018-08-02T01:06:40.09
IV.FIAM.HHE. ML:2.1 0.00041549999999999996 0.88 AML other m 2018-08-02T01:06:41.54
IV.FDMO.HHN. ML:2.4 0.0003805 0.18 AML other m 2018-08-02T01:06:41.82
IV.CAMP.HHE. ML:2.0 0.000185 0.58 AML other m 2018-08-02T01:06:41.82
IV.FDMO.HHE. ML:2.6 0.0007124999999999999 0.18 AML other m 2018-08-02T01:06:42.48
IV.CAMP.HHN. ML:2.0 0.00020400000000000003 0.4 AML other m 2018-08-02T01:06:43.19
IV.CERT.HHN. ML:2.1 0.0002475 0.38 AML other m 2018-08-02T01:06:43.25
IV.ASSB.HHN. ML:2.2 0.00028649999999999997 0.32 AML other m 2018-08-02T01:06:43.35
IV.LATE.HHE. ML:2.2 0.0002385 0.3 AML other m 2018-08-02T01:06:43.66
IV.CESI.HHE. ML:2.3 0.00044500000000000003 0.96 AML other m 2018-08-02T01:06:44.42
IV.RCAV.EHN. ML:2.2 0.0002375 0.38 AML other m 2018-08-02T01:06:44.49
IV.ASSB.HHE. ML:2.2 0.000358 0.54 AML other m 2018-08-02T01:06:44.78
IV.SACS.HHN. ML:2.0 0.0001545 0.22 AML other m 2018-08-02T01:06:44.52
IV.TERO.HHN. ML:2.0 0.00014050000000000003 0.94 AML other m 2018-08-02T01:06:44.48
IV.LATE.HHN. ML:2.3 0.0003085 1.24 AML other m 2018-08-02T01:06:45.09
IV.CERT.HHE. ML:2.4 0.00040849999999999995 1.42 AML other m 2018-08-02T01:06:45.81
IV.TERO.HHE. ML:2.0 0.000143 0.56 AML other m 2018-08-02T01:06:45.13
IV.SACS.HNE. ML:2.0 0.000177 0.54 AML other m 2018-08-02T01:06:45.74
IV.SACS.HHE. ML:2.0 0.00016900000000000002 1.36 AML other m 2018-08-02T01:06:45.74
IV.SACS.HNN. ML:2.0 0.0001495 0.28 AML other m 2018-08-02T01:06:46.09
IV.RMP.HHE. ML:2.4 0.0003355 0.4 AML other m 2018-08-02T01:06:46.58
IV.CSP1.EHE. ML:2.0 0.00013550000000000001 0.46 AML other m 2018-08-02T01:06:46.70
IV.RMP.HHN. ML:2.5 0.000432 0.38 AML other m 2018-08-02T01:06:46.92
IV.RCAV.EHE. ML:2.3 0.00027850000000000005 1.5 AML other m 2018-08-02T01:06:48.76
IV.VIVA.HHN. ML:2.9 0.001 1.48 AML other m 2018-08-02T01:06:48.25
IV.MURB.HHE. ML:2.9 0.0010899999999999998 1.1 AML other m 2018-08-02T01:06:49.59
IV.ATTE.HHN. ML:2.5 0.0004 1.22 AML other m 2018-08-02T01:06:49.07
IV.ATTE.HHE. ML:2.4 0.00035650000000000005 0.86 AML other m 2018-08-02T01:06:49.12
IV.ATCC.EHE. ML:2.6 0.000565 1.56 AML other m 2018-08-02T01:06:49.12
IV.MURB.HHN. ML:2.9 0.0009155 0.44 AML other m 2018-08-02T01:06:49.27
IV.MURB.HNN. ML:2.9 0.000965 0.42 AML other m 2018-08-02T01:06:49.27
IV.CSP1.EHN. ML:1.7 0.0000708 0.42 AML other m 2018-08-02T01:06:49.12
IV.MURB.HNE. ML:2.9 0.0009530000000000001 1 AML other m 2018-08-02T01:06:49.89
TV.SF04.EHE. ML:2.1 0.000155 0.28 AML other m 2018-08-02T01:06:49.28
IV.ATCC.EHN. ML:2.4 0.0004025 0.42 AML other m 2018-08-02T01:06:50.94
IV.ATMI.HHN. ML:2.7 0.0005225 0.36 AML other m 2018-08-02T01:06:51.73
TV.SF01.EHE. ML:2.3 0.0001885 1.38 AML other m 2018-08-02T01:06:51.13
IV.EL6.EHE. ML:2.5 0.0003355 1.4 AML other m 2018-08-02T01:06:51.24
IV.EL6.EHN. ML:2.5 0.0003195 0.62 AML other m 2018-08-02T01:06:51.96
IV.MF5.EHN. ML:2.3 0.000263 0.54 AML other m 2018-08-02T01:06:52.38
TV.SF01.EHN. ML:2.1 0.00012585000000000002 1.42 AML other m 2018-08-02T01:06:52.11
IV.VIVA.HHE. ML:2.8 0.0009005 1.62 AML other m 2018-08-02T01:06:52.88
TV.SF04.EHN. ML:2.2 0.0001865 1.66 AML other m 2018-08-02T01:06:53.16
IV.FAGN.HHE. ML:2.5 0.0004285 1.44 AML other m 2018-08-02T01:06:54.86
IV.ATVO.HHE. ML:2.2 0.0001685 1.36 AML other m 2018-08-02T01:06:54.92
IV.FAGN.HHN. ML:2.3 0.0002805 0.3 AML other m 2018-08-02T01:06:54.25
IV.FOSV.EHN. ML:2.2 0.00017 0.64 AML other m 2018-08-02T01:06:54.26
IV.ATPI.EHE. ML:2.3 0.00015900000000000002 0.44 AML other m 2018-08-02T01:06:54.97
IV.MF5.EHE. ML:2.2 0.000192 0.4 AML other m 2018-08-02T01:06:54.60
IV.ATVO.HHN. ML:2.2 0.00016 0.62 AML other m 2018-08-02T01:06:54.98
IV.FOSV.EHE. ML:2.2 0.000185 0.78 AML other m 2018-08-02T01:06:55.01
IV.ATMI.HHE. ML:2.7 0.000547 0.42 AML other m 2018-08-02T01:06:55.66
IV.CAFI.HHE. ML:2.2 0.0001285 1.52 AML other m 2018-08-02T01:06:55.77
IV.CAFI.HHN. ML:2.2 0.000128 0.72 AML other m 2018-08-02T01:06:55.43
IV.ATPI.EHN. ML:2.2 0.0001465 0.38 AML other m 2018-08-02T01:06:57.31
IV.PIEI.HHE. ML:2.2 0.0001385 1.2 AML other m 2018-08-02T01:06:58.66
IV.CING.HHE. ML:2.0 0.0000886 1.62 AML other m 2018-08-02T01:06:58.83
IV.ARVD.HHE. ML:2.1 0.000108 1.04 AML other m 2018-08-02T01:06:59.01
IV.PIEI.HHN. ML:2.0 0.0000743 1.64 AML other m 2018-08-02T01:06:59.10
IV.ARVD.HHN. ML:1.9 0.0000686 0.58 AML other m 2018-08-02T01:06:59.13
IV.CING.HHN. ML:2.2 0.0001285 1.02 AML other m 2018-08-02T01:06:59.51
IV.OFFI.HHN. ML:2.5 0.00033299999999999996 0.56 AML other m 2018-08-02T01:07:03.38
IV.PARC.HHN. ML:2.3 0.00011525 1.44 AML other m 2018-08-02T01:07:03.92
IV.PARC.HHE. ML:2.2 0.0000896 0.5 AML other m 2018-08-02T01:07:05.68
IV.OFFI.HHE. ML:2.5 0.000366 0.56 AML other m 2018-08-02T01:07:05.50
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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