Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 17-11-2020 and time 09:30:42 (Italy) in region 5 km E Montone (PG)

A magnitude ML 1.9 earthquake occured in region: 5 km E Montone (PG), on

  • 17-11-2020 08:30:42 (UTC)
  • 17-11-2020 09:30:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3810, 12.3860 at 9 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
Montone PG 5 1680 1680
Pietralunga PG 8 2111 3791
Umbertide PG 9 16681 20472
Città di Castello PG 15 39913 60385
Gubbio PG 16 32216 92601
Monte Santa Maria Tiberina PG 19 1183 93784
Apecchio PU 20 1882 95666

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of Perugia (166134 inhabitants)
42 Km E of Arezzo (99543 inhabitants)
54 Km NW of Foligno (57155 inhabitants)
73 Km SW of Fano (60888 inhabitants)
73 Km SW of Pesaro (94582 inhabitants)
77 Km S of Rimini (147750 inhabitants)
85 Km S of Cesena (96758 inhabitants)
86 Km E of Siena (53903 inhabitants)
94 Km N of Terni (111501 inhabitants)
95 Km W of Ancona (100861 inhabitants)
98 Km S of Forlì (117913 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 2020-11-17
08:30:42		 43.3808 12.3865 9 2021-02-26
14:56:16		 Bollettino Sismico Italiano INGV 86470461
Reviewed
Rev100 		ML 1.9 2020-11-17
08:30:42		 43.3853 12.3872 9 2020-11-17
08:38:15		 Sala Sismica INGV-Roma 84797991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-17 08:30:42 ± 0.05
Latitude 43.3808 ± 0.0027
Longitude 12.3865 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86470461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 319
Semi-minor axis of confidence ellipse (meter) 300
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
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) 0.01439
Epicentral distance of station farthest from the epicenter (degree) 0.66190
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 86470461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-22 20:28:11

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 84797991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-17 08:38:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2020-11-17T08:31:01.17 0.6 undecidable manual S 95 57.9975 50 0.67 39
IV.CSP1.EHZ. 2020-11-17T08:30:55.31 0.3 undecidable manual P 116 73.4709 50 0.16 65
IV.ATCC.EHZ. 2020-11-17T08:30:53.23 0.3 undecidable manual S 137 29.8479 50 0.24 69
IV.FRON.EHZ. 2020-11-17T08:30:53.07 0.3 undecidable manual S 61 31.2465 50 -0.31 68
IV.PARC.HHZ. 2020-11-17T08:30:53.63 0.3 undecidable manual S 338 32.0457 50 0.06 71
IV.CAFI.HHZ. 2020-11-17T08:30:53.95 0.3 undecidable manual S 261 34.3434 50 -0.25 68
IV.EL6.EHZ. 2020-11-17T08:30:52.77 0.3 undecidable manual P 95 57.9975 50 0.01 69
IV.CESI.HHZ. 2020-11-17T08:30:52.75 0.3 undecidable manual P 135 59.0964 50 -0.19 66
IV.NARO.HHZ. 2020-11-17T08:30:52.70 0.3 undecidable manual S 31 29.9478 50 -0.32 68
IV.ASSB.HHZ. 2020-11-17T08:30:50.20 0.3 undecidable manual P 150 43.5231 50 -0.33 66
IV.APEC.HHZ. 2020-11-17T08:30:50.01 0.3 undecidable manual S 8 19.869 115 0.21 71
IV.ARVD.HHZ. 2020-11-17T08:30:50.95 0.3 undecidable manual P 74 46.5201 50 -0.05 70
IV.MURB.HHZ. 2020-11-17T08:30:49.22 0.3 undecidable manual S 139 17.1717 118 0.26 70
IV.BADI.EHZ. 2020-11-17T08:30:49.41 0.3 undecidable manual S 321 18.2706 117 0.1 72
IV.PE3.EHZ. 2020-11-17T08:30:49.99 0.6 undecidable manual P 14 36.0417 50 0.61 41
IV.ATBU.EHZ. 2020-11-17T08:30:49.29 0.6 undecidable manual S 51 16.7721 119 0.46 45
IV.NARO.HHZ. 2020-11-17T08:30:48.10 0.3 undecidable manual P 31 29.9478 50 -0.34 68
IV.CAFI.HHZ. 2020-11-17T08:30:48.97 0.3 undecidable manual P 261 34.3434 50 -0.15 70
IV.CDCA.HNZ. 2020-11-17T08:30:48.80 0.6 undecidable manual S 305 15.0738 122 0.49 45
IV.ATCC.EHZ. 2020-11-17T08:30:48.31 0.1 undecidable manual P 137 29.8479 50 -0.11 94
IV.FRON.EHZ. 2020-11-17T08:30:48.42 0.3 undecidable manual P 61 31.2465 50 -0.22 69
IV.PARC.HHZ. 2020-11-17T08:30:48.65 0.3 undecidable manual P 338 32.0457 50 -0.11 71
IV.ATFO.HHN. 2020-11-17T08:30:48.22 0.6 undecidable manual S 96 14.9739 122 -0.09 49
IV.ATVA.EHE. 2020-11-17T08:30:47.47 0.6 undecidable manual S 216 13.9749 124 -0.53 44
IV.ATPC.HHE. 2020-11-17T08:30:47.75 0.6 undecidable manual S 27 12.4764 127 0.17 48
IT.UMBT.HGZ. 2020-11-17T08:30:47.45 0.3 undecidable manual S 202 9.1797 135 0.73 62
IV.ATPI.EHZ. 2020-11-17T08:30:46.08 0.3 undecidable manual S 9 7.881 140 -0.33 70
IV.ATBU.EHZ. 2020-11-17T08:30:46.29 0.1 undecidable manual P 51 16.7721 119 0.27 93
IV.MURB.HHZ. 2020-11-17T08:30:46.21 0.1 positive manual P 139 17.1717 118 0.12 96
IV.ATMI.HHZ. 2020-11-17T08:30:46.96 0.3 undecidable manual S 242 10.878 131 -0.18 72
IV.BADI.EHZ. 2020-11-17T08:30:46.37 0.1 positive manual P 321 18.2706 117 0.07 97
IV.APEC.HHZ. 2020-11-17T08:30:46.70 0.1 positive manual P 8 19.869 115 0.12 96
IV.ATPC.HHE. 2020-11-17T08:30:45.47 0.1 undecidable manual P 27 12.4764 127 0.17 96
IT.UMBT.HGZ. 2020-11-17T08:30:45.17 0.3 undecidable manual P 202 9.1797 135 0.37 69
IV.TB02.DHZ. 2020-11-17T08:30:45.02 0.6 undecidable manual S 122 2.1978 167 -0.48 46
IV.ATFO.HHN. 2020-11-17T08:30:45.82 0.1 undecidable manual P 96 14.9739 122 0.1 97
IV.TB03.DHZ. 2020-11-17T08:30:45.11 0.6 undecidable manual S 40 2.997 162 -0.46 46
IV.CDCA.HNZ. 2020-11-17T08:30:45.91 0.3 undecidable manual P 305 15.0738 122 0.19 71
IV.TB01.DHZ. 2020-11-17T08:30:45.23 0.6 undecidable manual S 89 3.996 157 -0.46 46
IV.ATVA.EHE. 2020-11-17T08:30:45.62 0.1 undecidable manual P 216 13.9749 124 0.08 98
IV.ATMI.HHZ. 2020-11-17T08:30:45.10 0.3 undecidable manual P 242 10.878 131 0.05 74
IV.ATVO.HHZ. 2020-11-17T08:30:44.88 0.3 undecidable manual S 85 1.5984 170 -0.58 66
IV.TB01.DHZ. 2020-11-17T08:30:44.16 0.1 undecidable manual P 89 3.996 157 -0.05 100
IV.TB02.DHZ. 2020-11-17T08:30:44.03 0.1 undecidable manual P 122 2.1978 167 -0.07 100
IV.ATPI.EHZ. 2020-11-17T08:30:44.66 0.1 undecidable manual P 9 7.881 140 0.04 99
IV.TB03.DHZ. 2020-11-17T08:30:44.08 0.1 undecidable manual P 40 2.997 162 -0.06 100
IV.ATVO.HHZ. 2020-11-17T08:30:43.98 0.1 undecidable manual P 85 1.5984 170 -0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATPI.HNE. ML:2.0 0.00147 0.32 AML other m 2020-11-17T08:30:46.17
IV.ATPI.EHE. ML:2.0 0.0014849999999999998 0.34 AML other m 2020-11-17T08:30:46.17
IV.ATPI.EHN. ML:1.9 0.0011989999999999998 0.4 AML other m 2020-11-17T08:30:46.29
IV.ATPI.HNN. ML:1.9 0.0012350000000000002 0.38 AML other m 2020-11-17T08:30:46.29
IV.ATMI.HHN. ML:1.7 0.000633 0.94 AML other m 2020-11-17T08:30:47.56
IV.ATMI.HHE. ML:1.6 0.0005665000000000001 1.28 AML other m 2020-11-17T08:30:47.06
IV.MURB.HNE. ML:2.1 0.001085 0.34 AML other m 2020-11-17T08:30:49.40
IV.MURB.HHE. ML:2.2 0.00135 0.2 AML other m 2020-11-17T08:30:49.46
IV.BADI.EHE. ML:2.2 0.0012195 0.98 AML other m 2020-11-17T08:30:49.52
IV.BADI.EHN. ML:2.1 0.0010295 0.1 AML other m 2020-11-17T08:30:49.95
IV.APEC.HHN. ML:1.8 0.00047950000000000005 0.2 AML other m 2020-11-17T08:30:50.12
IV.APEC.HHE. ML:1.8 0.000457 0.18 AML other m 2020-11-17T08:30:50.38
IV.MURB.HNN. ML:2.2 0.00156 1.36 AML other m 2020-11-17T08:30:50.07
IV.MURB.HHN. ML:2.2 0.0015149999999999999 1.38 AML other m 2020-11-17T08:30:50.06
IV.FRON.EHN. ML:1.6 0.0001865 0.14 AML other m 2020-11-17T08:30:53.47
IV.FRON.EHE. ML:1.6 0.00017099999999999998 0.1 AML other m 2020-11-17T08:30:53.45
IV.ATCC.EHN. ML:1.7 0.00026649999999999997 0.86 AML other m 2020-11-17T08:30:53.81
IV.ATCC.EHE. ML:1.8 0.000299 1.22 AML other m 2020-11-17T08:30:54.16
IV.CAFI.HHE. ML:1.6 0.0001785 0.28 AML other m 2020-11-17T08:30:54.27
IV.CAFI.HHN. ML:1.7 0.000194 0.42 AML other m 2020-11-17T08:30:54.32
IV.PARC.HHN. ML:1.8 0.00028799999999999995 0.18 AML other m 2020-11-17T08:30:54.49
IV.PARC.HHE. ML:1.8 0.000306 0.2 AML other m 2020-11-17T08:30:54.53
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