Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 19-09-2019 and time 08:30:24 (UTC) in region 3 km E Norcia (PG)

A magnitude ML 1.8 earthquake occured in region: 3 km E Norcia (PG), on

  • 19-09-2019 08:30:24 (UTC)
  • 19-09-2019 10:30:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7990, 13.1300 at 10 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
Norcia PG 3 4957 4957
Castelsantangelo sul Nera MC 11 281 5238
Preci PG 12 724 5962
Cascia PG 13 3217 9179
Arquata del Tronto AP 14 1178 10357
Accumoli RI 15 667 11024
Visso MC 15 1107 12131
Ussita MC 16 444 12575
Montegallo AP 17 523 13098
Cerreto di Spoleto PG 18 1075 14173
Poggiodomo PG 19 117 14290
Sellano PG 19 1079 15369
Montemonaco AP 20 604 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
50 Km W of Teramo (54892 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
69 Km SE of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km W of Pescara (121014 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
99 Km NW of Chieti (51815 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 1.8 2019-09-19
08:30:24		 42.7988 13.1298 10 2020-02-28
16:42:23		 Bollettino Sismico Italiano INGV 76320081
Reviewed
Rev100 		ML 1.8 2019-09-19
08:30:24		 42.7977 13.1348 10 2019-09-19
08:44:17		 Sala Sismica INGV-Roma 72552001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-19 08:30:24 ± 0.04
Latitude 42.7988 ± 0.0027
Longitude 13.1298 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76320081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 345
Semi-minor axis of confidence ellipse (meter) 72
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 34
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 57
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) 0.53060
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 55
Type of magnitude ML
Reference to an origin 76320081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-07 15:51:17

ML:1.8

Field Value
Value 1.8
Uncertainty 0.4
Num. used stations 55
Type of magnitude ML
Reference to an origin 72552001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-19 08:44:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGG.HHZ. 2019-09-19T08:31:17.33 3.0 undecidable manual Sg 1.84 0
IV.OVO.HHZ. 2019-09-19T08:31:04.88 3.0 undecidable manual Pg 5.02 0
IT.LRNO.HNZ. 2019-09-19T08:30:52.39 3.0 undecidable manual Pn -0.21 0
IV.EL6.EHZ. 2019-09-19T08:30:43.26 0.3 undecidable manual S 358 58.8966 50 0.49 63
IV.SNTG.HHZ. 2019-09-19T08:30:41.44 0.6 undecidable manual S 343 52.9026 50 0.27 45
IV.GIGS.HHZ. 2019-09-19T08:30:40.75 0.6 undecidable manual S 137 52.7028 50 -0.37 44
IV.SAP2.EHZ. 2019-09-19T08:30:38.51 0.6 undecidable manual S 33 39.627 50 0.88 37
IV.TERO.HHZ. 2019-09-19T08:30:38.35 0.6 undecidable manual S 117 43.3233 50 -0.25 46
IV.ARRO.EHZ. 2019-09-19T08:30:37.58 0.6 undecidable manual S 231 38.4282 50 0.28 46
IV.PF6.EHN. 2019-09-19T08:30:36.86 0.6 undecidable manual S 8 37.9287 50 -0.33 45
IV.MML1.HNE. 2019-09-19T08:30:36.84 0.6 undecidable manual S 340 37.2294 50 -0.14 47
IV.GUMA.HHZ. 2019-09-19T08:30:36.42 0.6 undecidable manual S 30 33.6441 50 0.38 45
IV.CAMP.HHZ. 2019-09-19T08:30:36.54 0.6 undecidable manual S 142 37.0296 50 -0.39 45
IV.MF5.EHZ. 2019-09-19T08:30:36.87 0.6 undecidable manual S 52 34.0437 50 0.74 40
IV.CSP1.EHZ. 2019-09-19T08:30:35.57 0.6 undecidable manual S 11 33.0447 50 -0.31 46
IV.ATCC.EHZ. 2019-09-19T08:30:35.05 0.1 undecidable manual P 317 58.497 50 0.11 91
IV.RM33.EHZ. 2019-09-19T08:30:35.88 0.6 undecidable manual S 168 32.8449 50 0.05 48
IV.CESI.HHZ. 2019-09-19T08:30:34.40 0.6 undecidable manual S 321 29.2485 50 -0.47 45
IV.FIAM.HHZ. 2019-09-19T08:30:34.79 0.6 undecidable manual P 181 58.8966 50 -0.21 45
IV.MNTT.EHZ. 2019-09-19T08:30:34.03 0.3 undecidable manual P 52 47.8188 50 0.74 59
IV.EL6.EHZ. 2019-09-19T08:30:34.89 0.1 undecidable manual P 358 58.8966 50 -0.11 91
IV.GAVE.EHZ. 2019-09-19T08:30:33.05 0.6 undecidable manual S 238 22.5552 114 0.07 49
IV.GIGS.HHZ. 2019-09-19T08:30:33.63 0.3 undecidable manual P 137 52.7028 50 -0.42 65
IV.ASSB.HHZ. 2019-09-19T08:30:33.10 0.3 undecidable manual P 305 46.8198 50 -0.05 71
IV.LNSS.HHZ. 2019-09-19T08:30:33.31 0.6 undecidable manual S 199 22.9548 114 0.21 48
IV.SNTG.HHZ. 2019-09-19T08:30:33.93 0.1 undecidable manual P 343 52.9026 50 -0.15 92
IV.CESX.HHZ. 2019-09-19T08:30:33.62 0.6 undecidable manual P 245 49.0176 50 0.13 46
IV.SMA1.EHZ. 2019-09-19T08:30:33.37 0.6 undecidable manual S 138 25.0527 50 -0.37 46
IV.OFFI.HHZ. 2019-09-19T08:30:33.99 0.3 undecidable manual P 71 47.619 50 0.72 59
IV.T1299.HNN. 2019-09-19T08:30:33.12 0.6 undecidable manual S 146 22.0668 115 0.29 47
IT.MTCL.HGZ. 2019-09-19T08:30:33.02 0.6 undecidable manual S 334 24.0537 113 -0.45 45
IV.FDMO.HHZ. 2019-09-19T08:30:33.53 0.6 undecidable manual S 353 26.5512 50 -0.62 43
IV.MOMA.HHZ. 2019-09-19T08:30:33.22 0.3 undecidable manual P 271 45.621 50 0.27 68
IV.TERO.HHZ. 2019-09-19T08:30:32.51 0.3 undecidable manual P 117 43.3233 50 -0.09 71
IV.MTRA.EHZ. 2019-09-19T08:30:32.55 0.6 undecidable manual S 102 22.1556 115 -0.32 47
IV.SAP2.EHZ. 2019-09-19T08:30:32.33 0.1 undecidable manual P 33 39.627 50 0.3 91
IV.CAMP.HHZ. 2019-09-19T08:30:31.43 0.1 undecidable manual P 142 37.0296 50 -0.2 93
IV.FEMA.HNE. 2019-09-19T08:30:31.80 0.6 undecidable manual S 340 19.2696 118 -0.15 49
IV.MF5.EHZ. 2019-09-19T08:30:31.43 0.1 positive manual P 52 34.0437 50 0.26 93
IV.MMO1.EHZ. 2019-09-19T08:30:31.58 0.6 undecidable manual S 55 19.4694 118 -0.45 46
IV.ARRO.EHZ. 2019-09-19T08:30:31.94 0.1 undecidable manual P 231 38.4282 50 0.09 95
IV.PF6.EHN. 2019-09-19T08:30:31.51 0.1 undecidable manual P 8 37.9287 50 -0.27 92
IV.MML1.HNE. 2019-09-19T08:30:31.51 0.1 undecidable manual P 340 37.2294 50 -0.15 94
IV.GUMA.HHZ. 2019-09-19T08:30:31.21 0.1 undecidable manual P 30 33.6441 50 0.09 96
IV.RM33.EHZ. 2019-09-19T08:30:30.91 0.1 undecidable manual P 168 32.8449 50 -0.09 96
IV.CESI.HHZ. 2019-09-19T08:30:30.38 0.1 undecidable manual P 321 29.2485 50 -0.06 97
IV.CSP1.EHZ. 2019-09-19T08:30:30.83 0.1 positive manual P 11 33.0447 50 -0.19 94
IV.MC2.EHZ. 2019-09-19T08:30:30.60 0.6 undecidable manual S 21 13.3755 127 0.37 47
IV.T1299.HNN. 2019-09-19T08:30:29.47 0.1 undecidable manual P 146 22.0668 115 0.2 96
IT.MTCL.HGZ. 2019-09-19T08:30:29.45 0.1 undecidable manual P 334 24.0537 113 -0.19 96
IV.FDMO.HHZ. 2019-09-19T08:30:29.81 0.1 positive manual P 353 26.5512 50 -0.22 95
IV.GAVE.EHZ. 2019-09-19T08:30:29.55 0.1 positive manual P 238 22.5552 114 0.2 96
IV.LNSS.HHZ. 2019-09-19T08:30:29.55 0.1 positive manual P 199 22.9548 114 0.13 97
IV.MTRA.EHZ. 2019-09-19T08:30:29.12 0.1 undecidable manual P 102 22.1556 115 -0.17 96
IV.SMA1.EHZ. 2019-09-19T08:30:29.73 0.1 undecidable manual P 138 25.0527 50 -0.06 98
IV.FEMA.HNE. 2019-09-19T08:30:28.79 0.1 undecidable manual P 340 19.2696 118 0.03 100
IV.MMO1.EHZ. 2019-09-19T08:30:28.64 0.1 positive manual P 55 19.4694 118 -0.16 97
IV.NRCA.HNZ. 2019-09-19T08:30:27.96 0.6 undecidable manual S 342 4.0959 158 -0.24 49
IV.MC2.EHZ. 2019-09-19T08:30:27.92 0.1 undecidable manual P 21 13.3755 127 0.16 98
IV.NRCA.HNZ. 2019-09-19T08:30:26.73 0.1 undecidable manual P 342 4.0959 158 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.8 0.012390516 0.1408 AML other m 2019-09-19T08:30:28.09
IV.NRCA.HNN. ML:2.8 0.011096192 0.1408 AML other m 2019-09-19T08:30:28.10
IV.NRCA.HHE. ML:2.6 0.0074350315 0.1152 AML other m 2019-09-19T08:30:28.67
IV.NRCA.HNE. ML:2.6 0.007030481 0.1088 AML other m 2019-09-19T08:30:28.67
IV.MTRA.HNE. ML:1.7 0.00031965675000000007 0.1664 AML other m 2019-09-19T08:30:33.38
IV.MTRA.EHE. ML:1.7 0.00033749744999999996 0.1792 AML other m 2019-09-19T08:30:33.55
IV.GAVE.HNN. ML:1.5 0.00021959040000000003 0.2944 AML other m 2019-09-19T08:30:33.50
IV.LNSS.HHE. ML:2.4 0.0014783135000000002 0.1216 AML other m 2019-09-19T08:30:33.85
IV.LNSS.HNE. ML:2.3 0.0013464464999999998 0.1088 AML other m 2019-09-19T08:30:33.85
IV.LNSS.HHN. ML:2.3 0.0013585180000000002 0.1536 AML other m 2019-09-19T08:30:33.82
IV.LNSS.HNN. ML:2.3 0.0012522365 0.16 AML other m 2019-09-19T08:30:33.82
IV.FDMO.HHE. ML:1.6 0.00021198554999999998 0.096 AML other m 2019-09-19T08:30:34.11
IV.GAVE.HNE. ML:2.2 0.001144266 0.2688 AML other m 2019-09-19T08:30:34.29
IV.GAVE.EHN. ML:2.1 0.0007483486999999999 0.1792 AML other m 2019-09-19T08:30:34.24
IV.GAVE.EHE. ML:2.2 0.0010384905 0.2624 AML other m 2019-09-19T08:30:34.29
IV.FDMO.HHN. ML:1.8 0.00032435995000000003 0.1216 AML other m 2019-09-19T08:30:34.46
IV.CESI.HNN. ML:1.9 0.0003919202 0.2304 AML other m 2019-09-19T08:30:35.13
IV.CESI.HHN. ML:1.8 0.00029752655 0.256 AML other m 2019-09-19T08:30:35.08
IV.CESI.HHE. ML:1.5 0.000172217345 0.0768 AML other m 2019-09-19T08:30:35.21
IV.CSP1.EHE. ML:1.8 0.00026683695 0.2816 AML other m 2019-09-19T08:30:36.27
IV.RM33.HNN. ML:1.6 0.00018145365 0.256 AML other m 2019-09-19T08:30:36.36
IV.RM33.HNE. ML:1.7 0.00021429945 0.1728 AML other m 2019-09-19T08:30:36.64
IV.MTRA.HNN. ML:1.7 0.00030180315 0.2688 AML other m 2019-09-19T08:30:36.81
IV.MTRA.EHN. ML:1.6 0.0002390181 0.16 AML other m 2019-09-19T08:30:36.81
IV.CSP1.EHN. ML:1.8 0.00026248090000000003 0.2816 AML other m 2019-09-19T08:30:36.69
IV.CAMP.HHE. ML:1.1 0.000049020985 0.2176 AML other m 2019-09-19T08:30:36.85
IV.RM33.EHN. ML:1.7 0.00019930540000000002 0.2368 AML other m 2019-09-19T08:30:37.22
IV.GUMA.HHN. ML:2.2 0.0006848162500000001 0.2816 AML other m 2019-09-19T08:30:37.18
IV.MF5.EHE. ML:1.7 0.0002321938 0.2752 AML other m 2019-09-19T08:30:37.37
IV.SMA1.EHE. ML:1.7 0.00030467564999999997 0.4992 AML other m 2019-09-19T08:30:37.32
IV.SMA1.EHN. ML:1.7 0.00027277805 0.3008 AML other m 2019-09-19T08:30:37.63
IV.MF5.EHN. ML:1.6 0.00017264000499999998 0.256 AML other m 2019-09-19T08:30:37.71
IV.GUMA.HHE. ML:2.2 0.00065711725 0.2176 AML other m 2019-09-19T08:30:38.43
IV.GUMA.HNE. ML:2.1 0.0005799543499999999 0.2432 AML other m 2019-09-19T08:30:38.56
IV.SAP2.EHN. ML:2.9 0.0029181549999999995 1.84 AML other m 2019-09-19T08:30:39.96
IV.CAMP.HHN. ML:1.1 0.000045613180000000004 0.6208 AML other m 2019-09-19T08:30:39.38
IV.TERO.HHN. ML:1.5 0.000097553605 0.0768 AML other m 2019-09-19T08:30:39.08
IV.SAP2.EHE. ML:2.0 0.00034229054999999995 0.1792 AML other m 2019-09-19T08:30:39.13
IV.RM33.EHE. ML:1.6 0.00017701415 0.1984 AML other m 2019-09-19T08:30:39.13
IV.TERO.HHE. ML:1.5 0.00009192455499999999 0.0576 AML other m 2019-09-19T08:30:39.91
IV.ARRO.EHN. ML:1.4 0.00009798948499999999 0.16 AML other m 2019-09-19T08:30:40.57
IV.MOMA.HHE. ML:1.6 0.00010392245 0.1984 AML other m 2019-09-19T08:30:40.64
IV.ASSB.HHN. ML:1.3 0.00005726216 0.0832 AML other m 2019-09-19T08:30:41.22
IV.MOMA.HHN. ML:1.4 0.00008189412000000001 0.16 AML other m 2019-09-19T08:30:42.43
IV.CESX.HHE. ML:1.4 0.000061217985 0.5376 AML other m 2019-09-19T08:30:42.42
IV.SNTG.HHE. ML:1.5 0.00007662549 0.256 AML other m 2019-09-19T08:30:42.74
IV.GIGS.HHE. ML:0.9 0.000017707145000000002 0.1024 AML other m 2019-09-19T08:30:42.73
IV.ASSB.HHE. ML:1.3 0.000059065385 0.1216 AML other m 2019-09-19T08:30:42.92
IV.GIGS.HHN. ML:0.9 0.000018245899999999998 0.0832 AML other m 2019-09-19T08:30:43.05
IV.SNTG.HHN. ML:1.4 0.000064351705 0.2752 AML other m 2019-09-19T08:30:43.41
IV.MNTT.EHN. ML:2.2 0.000414 0.62 AML other m 2019-09-19T08:30:43.31
IV.MNTT.EHE. ML:2.1 0.000332 0.26 AML other m 2019-09-19T08:30:43.77
IV.EL6.EHN. ML:2.0 0.00020350535 0.1984 AML other m 2019-09-19T08:30:44.17
IV.CESX.HHN. ML:1.4 0.00006915268499999999 0.2624 AML other m 2019-09-19T08:30:44.71
IV.EL6.EHE. ML:1.9 0.00016519634999999998 0.1792 AML other m 2019-09-19T08:30:44.74
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