Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 18-09-2019 and time 23:17:21 (Italy) in region 8 km SE Norcia (PG)

A magnitude ML 1.9 earthquake occured in region: 8 km SE Norcia (PG), on

  • 18-09-2019 21:17:21 (UTC)
  • 18-09-2019 23:17:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7420, 13.1580 at 11 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Norcia PG 8 4957 4957
Accumoli RI 9 667 5624
Cascia PG 12 3217 8841
Arquata del Tronto AP 12 1178 10019
Cittareale RI 14 482 10501
Amatrice RI 16 2657 13158
Castelsantangelo sul Nera MC 17 281 13439
Preci PG 18 724 14163
Montegallo AP 18 523 14686
Poggiodomo PG 18 117 14803
Monteleone di Spoleto PG 20 599 15402

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km SE of Foligno (57155 inhabitants)
46 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
48 Km NW of L'Aquila (69753 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km NE of Tivoli (56533 inhabitants)
92 Km W of Pescara (121014 inhabitants)
93 Km W of Chieti (51815 inhabitants)
93 Km E of Viterbo (67173 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 1.9 2019-09-18
21:17:21		 42.7415 13.158 11 2020-02-28
16:42:23		 Bollettino Sismico Italiano INGV 76382011
Reviewed
Rev100 		ML 1.9 2019-09-18
21:17:21		 42.7435 13.1593 11 2019-09-18
21:24:07		 Sala Sismica INGV-Roma 72534371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-18 21:17:21 ± 0.06
Latitude 42.7415 ± 0.0018
Longitude 13.1580 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76382011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 326
Semi-minor axis of confidence ellipse (meter) 68
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 71
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 41
Number of associated phases, regardless of their use for origin computation 72
Number of defining phases 67
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 2.69347
Number of stations at which the event was observed 49
Number of stations from which data was used for origin computation 44
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 64
Type of magnitude ML
Reference to an origin 72534371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-18 21:24:07

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 76382011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-09 20:46:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT14.EHZ. 2019-09-18T21:18:34.41 3.0 undecidable manual Sg 10.27 0
IV.MRB1.HHZ. 2019-09-18T21:18:23.36 3.0 undecidable manual Sn 1.64 0
IV.NDIM.HNZ. 2019-09-18T21:18:13.22 3.0 positive manual P 298.9785 8.11 0
GU.GSCL.HHZ. 2019-09-18T21:18:01.17 3.0 undecidable manual P 273.0156 -0.72 0
IV.MPAG.EHZ. 2019-09-18T21:17:39.06 0.6 undecidable manual P 342 103.6185 50 0.39 40
IV.PIEI.HHZ. 2019-09-18T21:17:38.49 0.3 undecidable manual P 330 101.5206 50 0.14 63
IV.PE3.EHZ. 2019-09-18T21:17:37.05 3.0 undecidable manual P 118.5924 -3.94 0
IV.INTR.HHZ. 2019-09-18T21:17:37.84 0.3 undecidable manual P 143 101.5206 50 -0.5 58
IV.SAP2.EHZ. 2019-09-18T21:17:36.50 0.3 undecidable manual S 26 44.0226 50 1 53
IV.MURB.HHZ. 2019-09-18T21:17:35.05 0.6 undecidable manual P 319 77.367 50 0.41 42
IV.PF6.EHN. 2019-09-18T21:17:35.48 0.3 undecidable manual S 4 44.0226 50 -0.04 72
IV.ARVD.HHZ. 2019-09-18T21:17:35.93 0.3 undecidable manual P 348 85.7475 50 0.01 67
IV.MML1.HNE. 2019-09-18T21:17:35.62 0.6 undecidable manual S 340 43.9227 50 0.14 47
IV.SSFR.HHZ. 2019-09-18T21:17:35.75 0.3 undecidable manual P 339 82.8504 50 0.27 64
IV.GIGS.HHZ. 2019-09-18T21:17:35.80 0.3 undecidable manual S 133 46.62 50 -0.39 67
IV.GUMA.HHZ. 2019-09-18T21:17:34.70 0.3 undecidable manual S 22 38.4282 50 0.69 61
IV.MF5.EHN. 2019-09-18T21:17:34.16 0.6 undecidable manual S 42 36.741 50 0.61 42
IV.T0110.HHZ. 2019-09-18T21:17:34.33 0.3 undecidable manual P 138 76.0683 50 -0.1 67
IV.CSP1.EHZ. 2019-09-18T21:17:34.20 0.3 undecidable manual S 6 39.0276 50 0.03 73
IV.ARRO.EHZ. 2019-09-18T21:17:33.90 0.6 undecidable manual S 241 36.741 50 0.34 46
IV.TERO.HHZ. 2019-09-18T21:17:33.80 0.3 undecidable manual S 110 38.628 50 -0.28 69
IV.CESI.HHZ. 2019-09-18T21:17:33.10 0.3 undecidable manual S 325 35.742 50 -0.19 71
IV.VCEL.EHZ. 2019-09-18T21:17:33.28 0.6 undecidable manual P 124 67.7766 50 0.13 45
IV.FOSV.EHZ. 2019-09-18T21:17:32.94 0.6 undecidable manual P 332 69.2751 50 -0.45 42
IV.FAGN.HHZ. 2019-09-18T21:17:32.23 0.6 undecidable manual P 146 63.1923 50 -0.23 45
IV.FDMO.HHZ. 2019-09-18T21:17:32.60 0.3 undecidable manual S 350 33.2445 50 -0.02 74
IV.EL6.EHZ. 2019-09-18T21:17:32.69 0.1 undecidable manual P 356 65.3901 50 -0.09 91
IV.ATCC.EHZ. 2019-09-18T21:17:32.08 0.6 undecidable manual P 320 64.6908 50 -0.61 40
IV.MNTT.EHZ. 2019-09-18T21:17:31.24 0.6 undecidable manual P 45 50.3163 50 0.79 38
IT.MTCL.HGZ. 2019-09-18T21:17:31.70 0.3 undecidable manual S 335 30.8469 50 -0.28 70
IV.SNTG.HHZ. 2019-09-18T21:17:31.71 0.3 undecidable manual P 343 59.5959 50 -0.19 68
IV.CAMP.HHZ. 2019-09-18T21:17:31.80 0.3 undecidable manual S 138 30.6471 50 -0.14 72
IV.MNTP.HNZ. 2019-09-18T21:17:30.34 0.6 undecidable manual P 30 50.7159 50 -0.17 46
IV.FIAM.HHZ. 2019-09-18T21:17:30.72 0.3 undecidable manual P 184 52.6029 50 -0.1 70
IV.OFFI.HHZ. 2019-09-18T21:17:30.95 0.3 undecidable manual P 63 48.0186 50 0.85 56
IV.MOMA.HHZ. 2019-09-18T21:17:30.43 0.3 undecidable manual P 278 48.4182 50 0.27 68
IV.RM33.EHZ. 2019-09-18T21:17:30.90 0.3 undecidable manual S 170 26.2515 50 0.15 73
IV.SEF1.HNN. 2019-09-18T21:17:30.04 0.6 undecidable manual P 339 48.1185 50 -0.08 47
IV.CESX.HHZ. 2019-09-18T21:17:30.57 0.3 undecidable manual P 253 48.9177 50 0.33 67
IV.FEMA.HNE. 2019-09-18T21:17:30.40 0.3 undecidable manual S 340 25.9518 50 -0.29 70
IV.GAVE.EHZ. 2019-09-18T21:17:29.80 0.3 undecidable manual S 256 22.1556 50 0.12 74
IV.GIGS.HHZ. 2019-09-18T21:17:29.55 0.1 undecidable manual P 133 46.62 50 -0.34 90
IV.MMO1.EHZ. 2019-09-18T21:17:29.40 0.3 undecidable manual S 38 22.2555 50 -0.29 71
IV.PF6.EHN. 2019-09-18T21:17:29.26 0.1 undecidable manual P 4 44.0226 50 -0.24 92
IV.SMA1.EHZ. 2019-09-18T21:17:29.00 0.3 undecidable manual S 130 18.9699 50 0.18 73
IV.MML1.HNE. 2019-09-18T21:17:29.26 0.1 undecidable manual P 340 43.9227 50 -0.22 92
IV.SAP2.EHZ. 2019-09-18T21:17:29.84 0.3 undecidable manual P 26 44.0226 50 0.36 67
MN.AQU.HNN. 2019-09-18T21:17:29.97 0.3 undecidable manual P 155 47.5191 50 -0.06 71
IV.TERO.HHZ. 2019-09-18T21:17:28.53 0.3 undecidable manual P 110 38.628 50 -0.14 71
IV.CESI.HHZ. 2019-09-18T21:17:28.09 0.1 undecidable manual P 325 35.742 50 -0.12 96
IV.LNSS.HHZ. 2019-09-18T21:17:28.70 0.3 undecidable manual S 212 18.1707 50 0.11 74
IV.CSP1.EHZ. 2019-09-18T21:17:28.58 0.1 undecidable manual P 6 39.0276 50 -0.15 95
IV.MC2.EHZ. 2019-09-18T21:17:28.80 0.3 undecidable manual S 8 18.9699 50 -0.03 75
IV.MTRA.EHZ. 2019-09-18T21:17:28.60 0.3 undecidable manual S 85 19.4694 50 -0.36 70
IV.MF5.EHN. 2019-09-18T21:17:28.64 0.3 undecidable manual P 42 36.741 50 0.28 69
IV.GUMA.HHZ. 2019-09-18T21:17:28.82 0.1 undecidable manual P 22 38.4282 50 0.19 94
IV.T1299.HNN. 2019-09-18T21:17:28.16 0.3 undecidable manual S 140 15.6732 125 0.24 73
IV.ARRO.EHZ. 2019-09-18T21:17:28.53 0.6 undecidable manual P 241 36.741 50 0.16 47
IV.CAMP.HHZ. 2019-09-18T21:17:27.32 0.1 undecidable manual P 138 30.6471 50 -0.11 97
IT.MTCL.HGZ. 2019-09-18T21:17:27.19 0.3 undecidable manual P 335 30.8469 50 -0.27 70
IV.FDMO.HHZ. 2019-09-18T21:17:27.60 0.1 undecidable manual P 350 33.2445 50 -0.23 94
IV.RM33.EHZ. 2019-09-18T21:17:26.72 0.1 undecidable manual P 170 26.2515 50 -0.03 99
IV.FEMA.HNE. 2019-09-18T21:17:26.61 0.3 undecidable manual P 340 25.9518 50 -0.1 73
IV.GAVE.EHZ. 2019-09-18T21:17:26.18 0.1 undecidable manual P 256 22.1556 50 0.05 99
IV.NRCA.HNZ. 2019-09-18T21:17:26.30 0.3 undecidable manual S 341 10.7781 136 -0.34 72
IV.T1299.HNN. 2019-09-18T21:17:25.36 0.1 undecidable manual P 140 15.6732 125 0.25 97
IV.SMA1.EHZ. 2019-09-18T21:17:25.69 0.1 undecidable manual P 130 18.9699 50 0.05 100
IV.LNSS.HHZ. 2019-09-18T21:17:25.67 0.1 undecidable manual P 212 18.1707 50 0.17 98
IV.MMO1.EHZ. 2019-09-18T21:17:25.99 0.3 undecidable manual P 38 22.2555 50 -0.14 73
IV.MC2.EHZ. 2019-09-18T21:17:25.66 0.3 undecidable manual P 8 18.9699 50 0.02 76
IV.MTRA.EHZ. 2019-09-18T21:17:25.61 0.3 undecidable manual P 85 19.4694 50 -0.1 74
IV.NRCA.HNZ. 2019-09-18T21:17:24.38 0.3 undecidable manual P 341 10.7781 136 0.01 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:0.0 0.007625 0.14 AML other m 2019-09-18T21:17:26.41
IV.NRCA.HHN. ML:0.0 0.00867 0.14 AML other m 2019-09-18T21:17:26.42
IV.NRCA.HNE. ML:0.0 0.008465 0.16 AML other m 2019-09-18T21:17:26.54
IV.NRCA.HHE. ML:0.0 0.00908 0.16 AML other m 2019-09-18T21:17:26.54
IV.LNSS.HHN. ML:0.0 0.00131 1.64 AML other m 2019-09-18T21:17:28.05
IV.LNSS.HNN. ML:0.0 0.00125 1.64 AML other m 2019-09-18T21:17:28.05
IV.MTRA.HNE. ML:0.0 0.000689 0.36 AML other m 2019-09-18T21:17:28.80
IV.MTRA.EHE. ML:0.0 0.0006594999999999999 0.36 AML other m 2019-09-18T21:17:28.80
IV.MTRA.HNN. ML:0.0 0.000715 0.26 AML other m 2019-09-18T21:17:29.30
IV.MTRA.EHN. ML:0.0 0.0006905 0.26 AML other m 2019-09-18T21:17:29.30
IV.LNSS.HNE. ML:0.0 0.00126 1.04 AML other m 2019-09-18T21:17:29.94
IV.LNSS.HHE. ML:0.0 0.0014399999999999999 1.04 AML other m 2019-09-18T21:17:29.42
IV.SMA1.EHE. ML:0.0 0.0006765 1.74 AML other m 2019-09-18T21:17:30.94
IV.GAVE.EHN. ML:0.0 0.0008089999999999999 0.22 AML other m 2019-09-18T21:17:30.40
IV.GAVE.EHE. ML:0.0 0.0005995 0.86 AML other m 2019-09-18T21:17:30.47
IV.RM33.HNN. ML:0.0 0.00048550000000000004 1.48 AML other m 2019-09-18T21:17:31.19
IV.RM33.HNE. ML:0.0 0.000496 1.52 AML other m 2019-09-18T21:17:31.92
IV.RM33.EHE. ML:0.0 0.000459 1.86 AML other m 2019-09-18T21:17:31.93
IV.RM33.EHN. ML:0.0 0.000356 1.88 AML other m 2019-09-18T21:17:32.94
IV.SMA1.EHN. ML:0.0 0.0006035000000000001 1.64 AML other m 2019-09-18T21:17:32.86
IV.CAMP.HHE. ML:0.0 0.00015900000000000002 0.62 AML other m 2019-09-18T21:17:32.06
IV.CAMP.HHN. ML:0.0 0.000155 1.1 AML other m 2019-09-18T21:17:32.70
IV.FDMO.HHN. ML:0.0 0.00036899999999999997 0.14 AML other m 2019-09-18T21:17:34.00
IV.TERO.HHN. ML:0.0 0.0003255 0.42 AML other m 2019-09-18T21:17:34.29
IV.TERO.HHE. ML:0.0 0.0001715 0.44 AML other m 2019-09-18T21:17:34.53
IV.CESI.HHE. ML:0.0 0.0002035 0.18 AML other m 2019-09-18T21:17:34.67
IV.CSP1.EHE. ML:0.0 0.00026749999999999994 1.62 AML other m 2019-09-18T21:17:35.01
IV.FDMO.HHE. ML:0.0 0.0002125 1.3 AML other m 2019-09-18T21:17:35.25
IV.ARRO.EHN. ML:0.0 0.00016649999999999998 0.16 AML other m 2019-09-18T21:17:35.50
IV.ARRO.EHE. ML:0.0 0.00015250000000000002 0.7 AML other m 2019-09-18T21:17:35.56
IV.GUMA.HHE. ML:0.0 0.000713 1.46 AML other m 2019-09-18T21:17:35.05
IV.CESI.HHN. ML:0.0 0.00027400000000000005 0.36 AML other m 2019-09-18T21:17:35.84
IV.GUMA.HHN. ML:0.0 0.0009215 1.56 AML other m 2019-09-18T21:17:35.90
IV.CSP1.EHN. ML:0.0 0.00026849999999999997 0.42 AML other m 2019-09-18T21:17:36.36
IV.GIGS.HHN. ML:0.0 0.00006185 0.64 AML other m 2019-09-18T21:17:36.83
IV.SAP2.EHN. ML:0.0 0.001545 0.22 AML other m 2019-09-18T21:17:37.24
IV.GIGS.HHE. ML:0.0 0.000043249999999999994 1.42 AML other m 2019-09-18T21:17:37.19
IV.SAP2.EHE. ML:0.0 0.0003165 0.74 AML other m 2019-09-18T21:17:38.13
IV.MOMA.HHE. ML:0.0 0.000259 0.22 AML other m 2019-09-18T21:17:38.56
IV.CESX.HHE. ML:0.0 0.00006120000000000001 1.42 AML other m 2019-09-18T21:17:38.77
IV.MOMA.HHN. ML:0.0 0.00017299999999999998 1 AML other m 2019-09-18T21:17:38.95
IV.FIAM.HHN. ML:0.0 0.0000553 0.8 AML other m 2019-09-18T21:17:39.48
IV.FIAM.HHE. ML:0.0 0.0000498 0.2 AML other m 2019-09-18T21:17:39.79
IV.OFFI.HHN. ML:0.0 0.00030649999999999997 1.46 AML other m 2019-09-18T21:17:39.26
IV.CESX.HHN. ML:0.0 0.000114 0.2 AML other m 2019-09-18T21:17:40.49
IV.MNTT.EHN. ML:0.0 0.000298 0.42 AML other m 2019-09-18T21:17:40.63
IV.OFFI.HHE. ML:0.0 0.00027600000000000004 0.42 AML other m 2019-09-18T21:17:41.39
IV.SNTG.HHE. ML:0.0 0.0000657 1.4 AML other m 2019-09-18T21:17:41.92
IV.MNTT.EHE. ML:0.0 0.00027649999999999994 0.6 AML other m 2019-09-18T21:17:42.67
IV.ATCC.EHE. ML:0.0 0.00008385 0.36 AML other m 2019-09-18T21:17:43.30
IV.ATCC.EHN. ML:0.0 0.00010145000000000001 0.8 AML other m 2019-09-18T21:17:43.03
IV.FAGN.HHE. ML:0.0 0.000178 0.34 AML other m 2019-09-18T21:17:44.18
IV.FOSV.EHE. ML:0.0 0.00004935000000000001 0.58 AML other m 2019-09-18T21:17:44.65
IV.SNTG.HHN. ML:0.0 0.00006025 0.62 AML other m 2019-09-18T21:17:45.07
IV.VCEL.EHN. ML:0.0 0.0000872 1.34 AML other m 2019-09-18T21:17:45.69
IV.VCEL.EHE. ML:0.0 0.0001075 1.56 AML other m 2019-09-18T21:17:45.08
IV.T0110.HHE. ML:0.0 0.0000764 0.48 AML other m 2019-09-18T21:17:45.99
IV.FAGN.HHN. ML:0.0 0.00014250000000000002 0.68 AML other m 2019-09-18T21:17:46.49
IV.MURB.HHE. ML:0.0 0.0001385 0.18 AML other m 2019-09-18T21:17:46.81
IV.FOSV.EHN. ML:0.0 0.0000497 1.5 AML other m 2019-09-18T21:17:47.05
IV.SSFR.HHN. ML:0.0 0.00008735000000000001 0.14 AML other m 2019-09-18T21:17:49.39
IV.MURB.HHN. ML:0.0 0.000157 0.98 AML other m 2019-09-18T21:17:49.72
IV.SSFR.HHE. ML:0.0 0.0000916 1.84 AML other m 2019-09-18T21:17:52.96
IV.T0110.HHN. ML:0.0 0.0000618 0.78 AML other m 2019-09-18T21:17:53.76
IV.GUMA.HNE. ML:2.2 0.00057485745 0.3456 AML other m 2019-09-18T21:17:35.05
IV.MOMA.HNE. ML:2.0 0.00026423225 0.2944 AML other m 2019-09-18T21:17:38.45
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download