Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 20-09-2019 and time 05:38:56 (Italy) in region 7 km NW Valfabbrica (PG)

A magnitude ML 1.6 earthquake occured in region: 7 km NW Valfabbrica (PG), on

  • 20-09-2019 03:38:56 (UTC)
  • 20-09-2019 05:38:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2230, 12.5710 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
Valfabbrica PG 7 3389 3389
Gubbio PG 15 32216 35605
Assisi PG 17 28299 63904
Bastia Umbra PG 17 21874 85778
Gualdo Tadino PG 18 15208 100986
Fossato di Vico PG 18 2840 103826
Sigillo PG 18 2404 106230
Costacciaro PG 19 1216 107446
Perugia PG 20 166134 273580

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Perugia (166134 inhabitants)
32 Km NW of Foligno (57155 inhabitants)
62 Km E of Arezzo (99543 inhabitants)
74 Km N of Terni (111501 inhabitants)
78 Km SW of Fano (60888 inhabitants)
81 Km SW of Pesaro (94582 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
93 Km S of Rimini (147750 inhabitants)
97 Km NE 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 1.6 2019-09-20
03:38:56		 43.2227 12.5707 10 2020-02-28
16:42:00		 Bollettino Sismico Italiano INGV 73549701
Reviewed
Rev100 		ML 1.7 2019-09-20
03:38:56		 43.2212 12.5673 10 2019-09-20
03:43:50		 Sala Sismica INGV-Roma 72576491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-20 03:38:56 ± 0.03
Latitude 43.2227 ± 0.0018
Longitude 12.5707 ± 0.0025
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 73549701

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 230
Semi-minor axis of confidence ellipse (meter) 151
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 47
Number of associated phases, regardless of their use for origin computation 81
Number of defining phases 81
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) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.68978
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 42
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 54
Type of magnitude ML
Reference to an origin 73549701
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-31 09:51:37

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 72576491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-20 03:43:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2019-09-20T03:39:17.01 0.3 undecidable manual S 156 64.3911 50 0.26 66
IV.NRCA.HHZ. 2019-09-20T03:39:16.36 0.3 undecidable manual S 134 61.6938 50 0.34 65
IV.PE3.EHZ. 2019-09-20T03:39:14.85 1.0 undecidable manual S 354 52.8027 50 1.19 16
IV.PARC.HHZ. 2019-09-20T03:39:14.52 0.6 undecidable manual S 331 54.3012 50 0.47 43
IV.CSP1.EHZ. 2019-09-20T03:39:14.11 0.3 undecidable manual S 106 53.3022 50 0.32 66
IV.MGAB.HHZ. 2019-09-20T03:39:13.50 0.3 undecidable manual S 227 50.616 50 0.43 65
IV.FDMO.HHZ. 2019-09-20T03:39:12.30 0.3 undecidable manual S 116 46.62 50 0.29 67
IV.MOMA.HHZ. 2019-09-20T03:39:12.15 0.6 undecidable manual S 180 46.4202 50 0.2 46
IV.MPAG.EHZ. 2019-09-20T03:39:12.30 0.3 undecidable manual S 19 47.619 50 0.04 71
IV.ARVD.HHZ. 2019-09-20T03:39:11.12 0.3 undecidable manual S 44 42.7239 50 0.15 70
IT.MTCL.HGZ. 2019-09-20T03:39:11.18 0.6 undecidable manual S 126 43.0236 50 0.15 47
IV.EL6.EHZ. 2019-09-20T03:39:11.50 0.3 undecidable manual S 74 44.5221 50 0.07 71
IV.ATMC.EHE. 2019-09-20T03:39:10.03 0.3 undecidable manual S 309 39.3273 50 -0.03 72
IV.BADI.EHE. 2019-09-20T03:39:10.85 0.3 undecidable manual S 321 41.3253 50 0.27 68
IV.MF5.EHZ. 2019-09-20T03:39:10.72 0.6 undecidable manual P 110 76.5678 50 0.55 40
IV.MMUR.HNE. 2019-09-20T03:39:10.92 0.3 undecidable manual S 55 42.1245 50 0.11 70
IV.CESI.HHE. 2019-09-20T03:39:09.26 0.3 undecidable manual S 132 36.2415 50 0.03 72
IV.PIEI.HHZ. 2019-09-20T03:39:08.86 0.3 undecidable manual S 355 34.8429 50 0 73
IV.MML1.HNE. 2019-09-20T03:39:08.65 0.3 undecidable manual S 110 34.6431 50 -0.15 71
IV.FRON.EHZ. 2019-09-20T03:39:08.54 0.6 undecidable manual S 21 35.0427 50 -0.37 45
IV.ATBU.EHZ. 2019-09-20T03:39:07.28 0.3 undecidable manual S 356 28.1496 50 0.22 71
IV.SSFR.HHZ. 2019-09-20T03:39:07.11 0.3 undecidable manual S 36 29.2485 50 -0.24 70
IV.GAVE.EHZ. 2019-09-20T03:39:07.98 0.6 undecidable manual P 156 64.3911 50 -0.32 43
IV.SEF1.HNN. 2019-09-20T03:39:07.91 0.6 undecidable manual S 105 31.6461 50 -0.09 48
IV.PE3.EHZ. 2019-09-20T03:39:07.06 0.3 undecidable manual P 354 52.8027 50 0.54 63
IV.COR1.HNN. 2019-09-20T03:39:07.91 0.6 undecidable manual P 37 57.0984 50 0.74 38
IV.SNTG.HHZ. 2019-09-20T03:39:07.40 0.3 undecidable manual S 83 30.1476 50 -0.19 71
IV.MC2.EHZ. 2019-09-20T03:39:07.82 0.6 undecidable manual P 124 60.8946 50 0.07 46
IV.PARC.HHZ. 2019-09-20T03:39:07.15 0.3 undecidable manual P 331 54.3012 50 0.41 65
IV.NRCA.HHZ. 2019-09-20T03:39:07.62 0.3 undecidable manual P 134 61.6938 50 -0.26 66
IV.ATPC.HHE. 2019-09-20T03:39:07.60 0.3 undecidable manual S 342 30.0477 50 0.02 73
IV.CSP1.EHZ. 2019-09-20T03:39:06.42 0.3 undecidable manual P 106 53.3022 50 -0.17 68
IV.ATPI.EHZ. 2019-09-20T03:39:06.86 0.3 undecidable manual S 332 28.749 50 -0.36 68
IV.ATMI.HHZ. 2019-09-20T03:39:06.84 0.3 undecidable manual S 297 27.3504 109 0.01 74
IV.MGAB.HHZ. 2019-09-20T03:39:06.20 0.3 undecidable manual P 227 50.616 50 0.02 71
IV.TB03.DHZ.01 2019-09-20T03:39:05.54 0.3 undecidable manual S 327 23.6541 112 -0.08 73
IV.EL6.EHZ. 2019-09-20T03:39:05.13 0.3 undecidable manual P 74 44.5221 50 -0.1 70
IV.ATVA.EHZ. 2019-09-20T03:39:05.51 0.3 undecidable manual S 285 23.8539 112 -0.18 72
IV.FDMO.HHZ. 2019-09-20T03:39:05.28 0.1 positive manual P 116 46.62 50 -0.28 90
IV.ATSC.EHZ. 2019-09-20T03:39:05.68 0.3 undecidable manual S 23 24.2535 112 -0.12 73
IV.MOMA.HHZ. 2019-09-20T03:39:05.50 0.3 undecidable manual P 180 46.4202 50 -0.03 71
IV.MPAG.EHZ. 2019-09-20T03:39:05.47 0.6 undecidable manual P 19 47.619 50 -0.24 45
IV.BADI.EHE. 2019-09-20T03:39:04.67 0.6 undecidable manual P 321 41.3253 50 -0.07 47
IT.MTCL.HGZ. 2019-09-20T03:39:04.78 0.6 undecidable manual P 126 43.0236 50 -0.22 46
IV.MMUR.HNE. 2019-09-20T03:39:04.83 0.6 undecidable manual P 55 42.1245 50 -0.04 48
IV.ASSB.HHZ. 2019-09-20T03:39:04.39 0.3 undecidable manual S 160 21.1677 114 -0.44 68
IV.TB01.DHZ.01 2019-09-20T03:39:04.58 0.3 undecidable manual S 328 20.7681 115 -0.1 73
IV.ATVO.HHZ. 2019-09-20T03:39:04.92 0.3 undecidable manual S 323 22.0668 113 -0.2 72
IV.TB02.DHZ.01 2019-09-20T03:39:04.65 0.3 undecidable manual S 322 20.9679 115 -0.1 73
IV.ATMC.EHE. 2019-09-20T03:39:04.35 0.6 undecidable manual P 309 39.3273 50 -0.09 47
IV.ARVD.HHZ. 2019-09-20T03:39:04.81 0.3 undecidable manual P 44 42.7239 50 -0.16 70
IV.ATTE.HHZ. 2019-09-20T03:39:03.52 0.3 undecidable manual S 261 17.7711 118 -0.24 72
IV.FRON.EHZ. 2019-09-20T03:39:03.49 0.3 undecidable manual P 21 35.0427 50 -0.29 69
IV.ATLO.HNZ. 2019-09-20T03:39:03.46 0.6 undecidable manual S 308 16.7721 120 0.01 50
IV.CESI.HHE. 2019-09-20T03:39:03.58 0.3 undecidable manual P 132 36.2415 50 -0.38 67
IV.PIEI.HHZ. 2019-09-20T03:39:03.61 0.3 undecidable manual P 355 34.8429 50 -0.14 71
IV.MML1.HNE. 2019-09-20T03:39:03.41 0.3 undecidable manual P 110 34.6431 50 -0.3 69
IV.ATFO.HHZ. 2019-09-20T03:39:03.48 0.3 undecidable manual S 0 15.9729 121 0.26 72
IV.FOSV.EHZ. 2019-09-20T03:39:03.69 0.3 undecidable manual S 62 17.3715 119 0.05 74
IV.ATPC.HHE. 2019-09-20T03:39:02.97 0.1 positive manual P 342 30.0477 50 -0.04 97
IV.ATMI.HHZ. 2019-09-20T03:39:02.57 0.3 undecidable manual P 297 27.3504 109 0 74
IV.ATBU.EHZ. 2019-09-20T03:39:02.69 0.3 undecidable manual P 356 28.1496 50 -0.02 74
IV.SSFR.HHZ. 2019-09-20T03:39:02.66 0.1 positive manual P 36 29.2485 50 -0.22 94
IV.ATPI.EHZ. 2019-09-20T03:39:02.59 0.3 undecidable manual P 332 28.749 50 -0.21 71
IV.SNTG.HHZ. 2019-09-20T03:39:02.98 0.3 undecidable manual P 83 30.1476 50 -0.03 73
IV.TB02.DHZ.01 2019-09-20T03:39:01.33 0.1 positive manual P 322 20.9679 115 -0.04 99
IV.ATCC.EHZ. 2019-09-20T03:39:01.16 0.3 undecidable manual S 127 6.993 144 0.29 72
IV.TB03.DHZ.01 2019-09-20T03:39:01.75 0.1 positive manual P 327 23.6541 112 -0.13 97
IV.ATTE.HHZ. 2019-09-20T03:39:01.04 0.3 undecidable manual P 261 17.7711 118 0.24 72
IV.SEF1.HNN. 2019-09-20T03:39:01.65 1.0 undecidable manual P 105 31.6461 50 -1.6 13
IV.ATVA.EHZ. 2019-09-20T03:39:01.76 0.3 undecidable manual P 285 23.8539 112 -0.16 72
IV.ASSB.HHZ. 2019-09-20T03:39:01.24 0.3 undecidable manual P 160 21.1677 114 -0.18 72
IV.TB01.DHZ.01 2019-09-20T03:39:01.31 0.1 positive manual P 328 20.7681 115 -0.03 99
IV.ATSC.EHZ. 2019-09-20T03:39:01.93 0.3 undecidable manual P 23 24.2535 112 -0.05 74
IV.ATVO.HHZ. 2019-09-20T03:39:01.45 0.1 positive manual P 323 22.0668 113 -0.14 97
IV.MURB.HHZ. 2019-09-20T03:39:00.99 0.3 undecidable manual S 320 5.7942 149 0.34 71
IV.FOSV.EHZ. 2019-09-20T03:39:00.82 0.3 undecidable manual P 62 17.3715 119 0.09 74
IV.ATLO.HNZ. 2019-09-20T03:39:00.64 0.1 positive manual P 308 16.7721 120 0.02 100
IV.ATFO.HHZ. 2019-09-20T03:39:00.68 0.3 undecidable manual P 0 15.9729 121 0.19 73
IV.MURB.HHZ. 2019-09-20T03:38:59.34 0.1 undecidable manual P 320 5.7942 149 0.33 95
IV.ATCC.EHZ. 2019-09-20T03:38:59.46 0.1 positive manual P 127 6.993 144 0.33 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:2.0 0.0015265385 0.1008 AML other m 2019-09-20T03:39:01.27
IV.ATCC.EHE. ML:1.9 0.001168319 0.1392 AML other m 2019-09-20T03:39:01.41
IV.ATFO.HHN. ML:1.6 0.0003832139 0.2016 AML other m 2019-09-20T03:39:03.73
IV.FOSV.EHN. ML:1.4 0.0002181456 0.0992 AML other m 2019-09-20T03:39:03.91
IV.FOSV.EHE. ML:1.4 0.00019959723999999997 0.24 AML other m 2019-09-20T03:39:04.04
IV.ATTE.HHE. ML:1.3 0.0001596611 0.1008 AML other m 2019-09-20T03:39:04.19
IV.ATFO.HHE. ML:1.6 0.00033772859999999996 0.16 AML other m 2019-09-20T03:39:04.54
IV.ATTE.HHN. ML:1.2 0.00013013163999999998 0.12 AML other m 2019-09-20T03:39:04.62
IV.ASSB.HHN. ML:2.2 0.0012172895 0.1008 AML other m 2019-09-20T03:39:04.71
IV.ATVO.HHE. ML:1.5 0.00020474765 0.3392 AML other m 2019-09-20T03:39:05.18
IV.ATVO.HHN. ML:1.4 0.00015601494999999997 0.24 AML other m 2019-09-20T03:39:05.03
IV.ASSB.HHE. ML:2.1 0.00087948615 0.1408 AML other m 2019-09-20T03:39:05.22
IV.ATPI.HNE. ML:1.4 0.00011602352724999999 0.2 AML other m 2019-09-20T03:39:06.98
IV.ATPI.HNN. ML:1.5 0.00017066547999999997 0.2704 AML other m 2019-09-20T03:39:07.12
IV.ATPI.EHN. ML:1.5 0.00015693717499999998 0.28 AML other m 2019-09-20T03:39:07.13
IV.SSFR.HHN. ML:1.9 0.00039038815 0.2592 AML other m 2019-09-20T03:39:07.63
IV.SSFR.HNN. ML:1.9 0.00040545284999999996 0.1696 AML other m 2019-09-20T03:39:07.64
IV.SNTG.HNE. ML:1.6 0.00018630713000000003 0.2688 AML other m 2019-09-20T03:39:07.81
IV.SNTG.HNN. ML:1.9 0.00037495205 0.2992 AML other m 2019-09-20T03:39:07.66
IV.SNTG.HHN. ML:1.8 0.000335143 0.2208 AML other m 2019-09-20T03:39:07.81
IV.SNTG.HHE. ML:1.6 0.00020902379999999997 0.2592 AML other m 2019-09-20T03:39:07.80
IV.SSFR.HNE. ML:1.7 0.00024305445000000003 0.1408 AML other m 2019-09-20T03:39:07.90
IV.ATPI.EHE. ML:1.3 0.000109590935 0.24 AML other m 2019-09-20T03:39:08.19
IV.ATMI.HHE. ML:1.4 0.00012041559999999999 0.2192 AML other m 2019-09-20T03:39:08.13
IV.SSFR.HHE. ML:1.7 0.00025621840000000003 0.1392 AML other m 2019-09-20T03:39:08.47
IV.FRON.EHE. ML:1.2 0.000064792875 0.12 AML other m 2019-09-20T03:39:08.91
IV.ATMI.HHN. ML:1.3 0.00010882297 0.2192 AML other m 2019-09-20T03:39:09.51
IV.PIEI.HHE. ML:1.7 0.00020165664999999999 0.32 AML other m 2019-09-20T03:39:09.69
IV.PIEI.HHN. ML:1.6 0.00015369605 0.24 AML other m 2019-09-20T03:39:09.76
IV.FRON.EHN. ML:1.4 0.00009060086 0.12 AML other m 2019-09-20T03:39:10.26
IV.ARVD.HHN. ML:1.2 0.000045611360000000006 0.1392 AML other m 2019-09-20T03:39:11.37
IV.ARVD.HHE. ML:1.3 0.00006710621 0.16 AML other m 2019-09-20T03:39:11.42
IV.EL6.EHE. ML:1.7 0.00014727605 0.2992 AML other m 2019-09-20T03:39:11.88
IV.EL6.EHN. ML:1.6 0.00013715855 0.2816 AML other m 2019-09-20T03:39:13.07
IV.FDMO.HHE. ML:1.2 0.000040033205 0.1792 AML other m 2019-09-20T03:39:13.24
IV.MOMA.HHN. ML:1.4 0.00006321538 0.2416 AML other m 2019-09-20T03:39:13.62
IV.MOMA.HHE. ML:1.5 0.00009176579 0.1792 AML other m 2019-09-20T03:39:13.83
IV.MOMA.HNE. ML:1.5 0.00009518052 0.2 AML other m 2019-09-20T03:39:13.73
IV.MGAB.HNE. ML:1.7 0.000121171585 0.28 AML other m 2019-09-20T03:39:14.18
IV.MGAB.HHE. ML:1.7 0.00013979849999999999 0.28 AML other m 2019-09-20T03:39:14.18
IV.FDMO.HHN. ML:1.1 0.000036444395 0.1792 AML other m 2019-09-20T03:39:14.28
IV.MGAB.HHN. ML:1.7 0.0001213127 0.2 AML other m 2019-09-20T03:39:14.63
IV.CSP1.EHE. ML:1.1 0.0000298069075 0.12 AML other m 2019-09-20T03:39:15.52
IV.MGAB.HNN. ML:1.6 0.0001109982 0.1792 AML other m 2019-09-20T03:39:15.94
IV.CSP1.EHN. ML:1.4 0.000062968519 0.1808 AML other m 2019-09-20T03:39:16.02
IV.NRCA.HHN. ML:1.5 0.00006450907000000001 0.16 AML other m 2019-09-20T03:39:16.95
IV.NRCA.HNE. ML:1.5 0.000059687297 0.1088 AML other m 2019-09-20T03:39:17.27
IV.NRCA.HHE. ML:1.5 0.000060902275 0.1184 AML other m 2019-09-20T03:39:17.28
IV.GAVE.EHN. ML:1.9 0.00013445735 0.3808 AML other m 2019-09-20T03:39:18.04
IV.GAVE.HNE. ML:1.9 0.00014890679000000001 0.4112 AML other m 2019-09-20T03:39:17.65
IV.GAVE.EHE. ML:1.8 0.00011744961000000001 0.2208 AML other m 2019-09-20T03:39:18.18
IV.NRCA.HNN. ML:1.6 0.0000711320545 0.1792 AML other m 2019-09-20T03:39:18.49
IV.PE3.EHE. ML:1.7 0.00011955371000000001 0.3408 AML other m 2019-09-20T03:39:18.83
IV.PE3.EHN. ML:1.8 0.00014094240000000002 0.4592 AML other m 2019-09-20T03:39:21.20
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