Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 24-09-2019 and time 11:32:29 (Italy) in region 3 km NE Norcia (PG)

A magnitude ML 1.9 earthquake occured in region: 3 km NE Norcia (PG), on

  • 24-09-2019 09:32:29 (UTC)
  • 24-09-2019 11:32:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8100, 13.1160 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
Preci PG 10 724 5681
Castelsantangelo sul Nera MC 10 281 5962
Cascia PG 13 3217 9179
Visso MC 14 1107 10286
Ussita MC 15 444 10730
Arquata del Tronto AP 15 1178 11908
Cerreto di Spoleto PG 16 1075 12983
Accumoli RI 17 667 13650
Sellano PG 18 1079 14729
Montegallo AP 18 523 15252
Poggiodomo PG 18 117 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
98 Km N of Tivoli (56533 inhabitants)
98 Km W of Pescara (121014 inhabitants)
100 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 1.9 2019-09-24
09:32:29		 42.8103 13.1157 10 2020-02-28
16:42:10		 Bollettino Sismico Italiano INGV 74167221
Reviewed
Rev100 		ML 1.8 2019-09-24
09:32:29		 42.8072 13.1148 9 2019-09-24
09:42:09		 Sala Sismica INGV-Roma 72721331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-24 09:32:29 ± 0.04
Latitude 42.8103 ± 0.0018
Longitude 13.1157 ± 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 74167221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 312
Semi-minor axis of confidence ellipse (meter) 145
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67629
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 72721331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-24 09:42:09

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 49
Type of magnitude ML
Reference to an origin 74167221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-30 01:06:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PESA.HHZ. 2019-09-24T09:33:07.17 3.0 undecidable manual S -0.48 0
IV.ARVD.HHZ. 2019-09-24T09:32:54.24 3.0 undecidable manual S -0.32 0
IV.FIAM.HHZ. 2019-09-24T09:32:48.39 3.0 undecidable manual S -0.62 0
IV.VCEL.EHZ. 2019-09-24T09:32:42.79 0.6 undecidable manual P 128 75.0693 50 0.26 43
IV.RM33.EHZ. 2019-09-24T09:32:41.20 0.3 undecidable manual S 166 34.3434 50 -0.09 72
IT.MMP1.HGE. 2019-09-24T09:32:41.80 1.0 undecidable manual P 206 69.0753 50 0.19 22
IV.CSP1.EHZ. 2019-09-24T09:32:40.56 0.3 undecidable manual S 13 32.0457 50 -0.11 72
IV.EL6.EHZ. 2019-09-24T09:32:39.81 0.3 undecidable manual P 359 57.5979 50 -0.03 70
IV.MNTT.EHZ. 2019-09-24T09:32:39.05 0.6 undecidable manual P 54 47.9187 50 0.7 40
IV.SMA1.EHZ. 2019-09-24T09:32:39.45 0.3 undecidable manual S 138 26.751 50 0.18 72
IV.MURB.HHZ. 2019-09-24T09:32:39.75 3.0 undecidable manual P 69.375 -1.91 0
IV.CESI.HHZ. 2019-09-24T09:32:39.31 0.3 undecidable manual S 322 27.5502 50 -0.16 72
IV.ATCC.EHZ. 2019-09-24T09:32:39.97 0.3 undecidable manual P 317 56.6988 50 0.26 67
IV.OFFI.HHZ. 2019-09-24T09:32:39.18 0.3 undecidable manual P 73 48.3183 50 0.76 58
IV.FDMO.HHZ. 2019-09-24T09:32:38.52 0.3 undecidable manual S 355 25.1526 111 -0.26 71
IV.MOMA.HHZ. 2019-09-24T09:32:38.07 0.3 undecidable manual P 269 44.4222 50 0.26 68
IV.GIGS.HHZ. 2019-09-24T09:32:38.97 0.1 undecidable manual P 137 54.4011 50 -0.38 87
IV.T1299.HNZ. 2019-09-24T09:32:38.48 0.6 undecidable manual S 145 23.754 113 0.15 48
IV.SNTG.HHZ. 2019-09-24T09:32:38.69 0.1 undecidable manual P 344 51.3153 50 -0.18 92
IV.SAP2.EHZ. 2019-09-24T09:32:37.33 0.1 undecidable manual P 36 39.2274 50 0.32 91
IT.MTCL.HGZ. 2019-09-24T09:32:37.68 0.3 undecidable manual S 335 22.4553 114 -0.22 72
IV.SEF1.HNN. 2019-09-24T09:32:37.08 0.3 undecidable manual P 340 39.7269 50 -0.01 73
IV.MTRA.EHZ. 2019-09-24T09:32:37.95 0.3 undecidable manual S 104 23.6541 113 -0.33 70
IV.GAVE.EHZ. 2019-09-24T09:32:37.91 0.3 undecidable manual S 234 22.2555 114 0.06 74
IV.TERO.HHZ. 2019-09-24T09:32:37.66 0.1 undecidable manual P 117 44.9217 50 -0.22 92
IV.CAMP.HHE. 2019-09-24T09:32:37.05 0.6 undecidable manual P 142 38.7279 50 0.12 47
IV.MMO1.EHZ. 2019-09-24T09:32:37.00 0.3 undecidable manual S 60 19.7691 117 -0.07 74
IV.GUMA.HNN. 2019-09-24T09:32:36.16 0.3 undecidable manual P 32 33.2445 50 0.08 72
IV.ARRO.EHZ. 2019-09-24T09:32:36.86 0.1 undecidable manual P 228 38.3283 50 -0.02 97
IV.PF6.EHN. 2019-09-24T09:32:36.43 0.3 undecidable manual P 10 36.9297 50 -0.22 70
IV.RM33.EHZ. 2019-09-24T09:32:36.04 0.1 undecidable manual P 166 34.3434 50 -0.22 94
IV.MML1.HNE. 2019-09-24T09:32:36.31 0.3 undecidable manual P 341 35.6421 50 -0.14 71
IV.FEMA.HNZ. 2019-09-24T09:32:36.10 0.6 undecidable manual S 342 17.6712 119 -0.31 47
IV.MF5.EHZ. 2019-09-24T09:32:36.37 0.1 undecidable manual P 55 34.2435 50 0.14 95
IV.CESI.HHZ. 2019-09-24T09:32:35.21 0.1 undecidable manual P 322 27.5502 50 0 99
IV.CSP1.EHZ. 2019-09-24T09:32:35.80 0.1 undecidable manual P 13 32.0457 50 -0.1 96
IV.MC2.EHZ. 2019-09-24T09:32:35.38 0.3 undecidable manual S 28 12.6762 128 0.4 70
IV.GAVE.EHZ. 2019-09-24T09:32:34.41 0.1 undecidable manual P 234 22.2555 114 0.13 97
IV.T1299.HNZ. 2019-09-24T09:32:34.59 0.1 undecidable manual P 145 23.754 113 0.04 99
IV.FDMO.HHZ. 2019-09-24T09:32:34.72 0.1 undecidable manual P 355 25.1526 111 -0.09 98
IT.MTCL.HGZ. 2019-09-24T09:32:34.31 0.1 undecidable manual P 335 22.4553 114 0 100
IV.SMA1.EHZ. 2019-09-24T09:32:34.91 0.1 undecidable manual P 138 26.751 50 -0.18 96
IV.MTRA.EHZ. 2019-09-24T09:32:34.27 0.1 undecidable manual P 104 23.6541 113 -0.25 95
IV.FEMA.HNZ. 2019-09-24T09:32:33.63 0.1 undecidable manual P 342 17.6712 119 0.18 97
IV.MMO1.EHZ. 2019-09-24T09:32:33.69 0.3 undecidable manual P 60 19.7691 117 -0.13 73
IV.NRCA.HHZ. 2019-09-24T09:32:32.88 0.3 undecidable manual S 357 2.5974 165 -0.05 77
IV.MC2.EHZ. 2019-09-24T09:32:32.88 0.1 undecidable manual P 28 12.6762 128 0.26 96
IV.NRCA.HHZ. 2019-09-24T09:32:31.61 0.3 undecidable manual P 357 2.5974 165 0.17 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.5 0.006822267 0.1152 AML other m 2019-09-24T09:32:33.52
IV.NRCA.HNN. ML:2.8 0.01212764 0.1472 AML other m 2019-09-24T09:32:33.03
IV.NRCA.HHN. ML:2.8 0.01306464 0.16 AML other m 2019-09-24T09:32:33.03
IV.NRCA.HHE. ML:2.6 0.007285504 0.1152 AML other m 2019-09-24T09:32:33.52
IV.MTRA.EHE. ML:1.8 0.00044505895 0.1408 AML other m 2019-09-24T09:32:39.21
IV.MTRA.EHN. ML:1.9 0.00050374635 0.16 AML other m 2019-09-24T09:32:38.85
IV.MTRA.HNE. ML:1.9 0.00046579735 0.1536 AML other m 2019-09-24T09:32:39.20
IV.MTRA.HNN. ML:1.9 0.0005199501 0.1728 AML other m 2019-09-24T09:32:38.93
IV.GAVE.EHN. ML:2.0 0.0006457974 0.2432 AML other m 2019-09-24T09:32:39.64
IV.GAVE.EHE. ML:2.2 0.001138871 0.256 AML other m 2019-09-24T09:32:39.78
IV.GAVE.HNN. ML:1.5 0.0002250624 0.1728 AML other m 2019-09-24T09:32:40.04
IV.GAVE.HNE. ML:2.2 0.0010293874999999998 0.2688 AML other m 2019-09-24T09:32:39.78
IV.FDMO.HHE. ML:1.8 0.00032973739999999995 0.1408 AML other m 2019-09-24T09:32:41.07
IV.FDMO.HHN. ML:1.8 0.0003872683 0.1024 AML other m 2019-09-24T09:32:39.52
IV.SMA1.EHE. ML:1.8 0.0003856102 0.3456 AML other m 2019-09-24T09:32:41.71
IV.SMA1.EHN. ML:1.8 0.00034748835 0.3008 AML other m 2019-09-24T09:32:43.49
IV.CESI.HHE. ML:1.6 0.00022075435 0.1024 AML other m 2019-09-24T09:32:39.57
IV.CESI.HHN. ML:1.7 0.00027519965 0.32 AML other m 2019-09-24T09:32:42.64
IV.CESI.HNE. ML:1.6 0.00021083045 0.1152 AML other m 2019-09-24T09:32:39.58
IV.CSP1.EHE. ML:1.8 0.0003136235 0.1216 AML other m 2019-09-24T09:32:41.21
IV.CSP1.EHN. ML:2.0 0.00041653065 0.1024 AML other m 2019-09-24T09:32:41.47
IV.RM33.EHE. ML:1.6 0.0001534711 0.2048 AML other m 2019-09-24T09:32:44.50
IV.MF5.EHE. ML:1.7 0.0001974936 0.2624 AML other m 2019-09-24T09:32:42.52
IV.ARRO.EHE. ML:1.6 0.00015453899999999998 0.16 AML other m 2019-09-24T09:32:45.05
IV.ARRO.EHN. ML:1.5 0.00012128539999999999 0.16 AML other m 2019-09-24T09:32:45.15
IV.SAP2.EHE. ML:2.1 0.00048554874999999996 0.1408 AML other m 2019-09-24T09:32:44.68
IV.SAP2.EHN. ML:2.8 0.0023468365000000003 0.1344 AML other m 2019-09-24T09:32:44.23
IV.TERO.HHN. ML:1.5 0.00008955656 0.1216 AML other m 2019-09-24T09:32:46.29
IV.TERO.HNE. ML:2.1 0.0003506459 0.8256 AML other m 2019-09-24T09:32:44.46
IV.TERO.HHE. ML:1.5 0.00008925641500000001 0.1024 AML other m 2019-09-24T09:32:45.09
IV.MOMA.HHN. ML:1.9 0.00022051415000000002 0.3968 AML other m 2019-09-24T09:32:45.41
IV.MOMA.HHE. ML:2.0 0.00028160225 0.1216 AML other m 2019-09-24T09:32:45.67
IV.MOMA.HNE. ML:2.0 0.00027641495 0.128 AML other m 2019-09-24T09:32:45.67
IV.SNTG.HHE. ML:1.7 0.00011250616 0.1216 AML other m 2019-09-24T09:32:46.86
IV.SNTG.HHN. ML:1.4 0.00007042595 0.1216 AML other m 2019-09-24T09:32:47.23
IV.SNTG.HNE. ML:1.7 0.00013384699999999998 0.128 AML other m 2019-09-24T09:32:46.86
IV.GIGS.HHN. ML:0.8 0.00001730162 0.2624 AML other m 2019-09-24T09:32:51.02
IV.MNTT.EHE. ML:2.2 0.0004958821500000001 0.2368 AML other m 2019-09-24T09:32:48.93
IV.MNTT.EHN. ML:2.4 0.0006742359 0.3008 AML other m 2019-09-24T09:32:48.75
IV.OFFI.HHN. ML:2.1 0.0003263115 0.4032 AML other m 2019-09-24T09:32:48.87
IV.OFFI.HHE. ML:1.8 0.00018366550000000002 0.4608 AML other m 2019-09-24T09:32:56.98
IV.MURB.HHE. ML:2.0 0.0001904662 0.3584 AML other m 2019-09-24T09:32:56.77
IV.MURB.HNN. ML:1.9 0.00014341405 0.288 AML other m 2019-09-24T09:32:57.22
IV.MURB.HNE. ML:2.0 0.0001877016 0.352 AML other m 2019-09-24T09:32:56.95
IV.MURB.HHN. ML:1.9 0.00014179955 0.3776 AML other m 2019-09-24T09:32:57.35
IV.EL6.EHE. ML:1.9 0.00019058419999999998 0.1408 AML other m 2019-09-24T09:32:49.97
IV.EL6.EHN. ML:2.1 0.00029584524999999996 0.1984 AML other m 2019-09-24T09:32:49.33
IV.ATCC.EHE. ML:1.6 0.000077979694 0.1408 AML other m 2019-09-24T09:32:50.00
IV.ATCC.EHN. ML:1.6 0.00008283746 0.3584 AML other m 2019-09-24T09:32:54.28
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