Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 20-09-2019 and time 04:00:16 (Italy) in region 5 km W Gubbio (PG)

A magnitude ML 0.9 earthquake occured in region: 5 km W Gubbio (PG), on

  • 20-09-2019 02:00:16 (UTC)
  • 20-09-2019 04:00:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3620, 12.5180 at 5 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Gubbio PG 5 32216 32216
Pietralunga PG 11 2111 34327
Scheggia e Pascelupo PG 13 1393 35720
Montone PG 15 1680 37400
Cantiano PU 15 2245 39645
Costacciaro PG 16 1216 40861
Umbertide PG 17 16681 57542
Sigillo PG 18 2404 59946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Perugia (166134 inhabitants)
48 Km NW of Foligno (57155 inhabitants)
53 Km E of Arezzo (99543 inhabitants)
67 Km SW of Fano (60888 inhabitants)
69 Km SW of Pesaro (94582 inhabitants)
78 Km S of Rimini (147750 inhabitants)
86 Km W of Ancona (100861 inhabitants)
89 Km S of Cesena (96758 inhabitants)
90 Km N of Terni (111501 inhabitants)
96 Km E of Siena (53903 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
Reviewed
Rev100 		ML 0.9 2019-09-20
02:00:16		 43.3623 12.5175 5 2019-09-20
02:12:57		 Sala Sismica INGV-Roma 72575591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-20 02:00:16 ± 0.12
Latitude 43.3623 ± 0.0027
Longitude 12.5175 ± 0.0037
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 72575591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 299
Semi-minor axis of confidence ellipse (meter) 68
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) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33365
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 15
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 72575591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-20 02:12:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2019-09-20T02:00:26.36 3.0 positive manual P -0.11 0
IV.ATCC.EHE. 2019-09-20T02:00:24.84 0.1 undecidable manual S 153 21.9669 102 0.87 76
IV.SSFR.HHZ. 2019-09-20T02:00:24.05 1.0 undecidable manual S 69 22.8549 102 -0.21 24
IV.PIEI.HHZ. 2019-09-20T02:00:23.10 0.1 undecidable manual S 4 19.2696 104 0.05 98
IV.PE3.EHZ. 2019-09-20T02:00:23.13 1.0 undecidable manual P 357 37.0296 97 -0.5 22
IV.ATPC.HHE. 2019-09-20T02:00:21.66 0.1 undecidable manual S 340 13.9749 109 0.37 92
IV.ATPI.EHZ. 2019-09-20T02:00:21.26 0.1 undecidable manual S 317 13.4754 110 0.13 97
IV.ATBU.EHE. 2019-09-20T02:00:21.29 0.1 undecidable manual S 11 12.7761 111 0.38 92
IV.ATLO.EHE. 2019-09-20T02:00:20.20 0.1 undecidable manual S 240 10.2786 115 0.09 98
IV.PIEI.HHZ. 2019-09-20T02:00:20.03 1.0 undecidable manual P 4 19.2696 104 -0.1 24
IV.ATCC.EHE. 2019-09-20T02:00:20.61 0.1 undecidable manual P 153 21.9669 102 -0.05 97
IV.MURB.HHZ. 2019-09-20T02:00:20.27 0.1 undecidable manual S 177 11.0778 114 -0.06 99
IV.SSFR.HHZ. 2019-09-20T02:00:20.48 0.3 positive manual P 69 22.8549 102 -0.35 68
IV.ATSC.EHE. 2019-09-20T02:00:19.19 0.3 undecidable manual P 63 15.2736 108 -0.16 72
IV.ATVO.HHZ. 2019-09-20T02:00:19.85 0.3 undecidable manual S 284 9.1797 118 0.09 74
IV.TB01.DHE.01 2019-09-20T02:00:19.04 0.1 undecidable manual S 288 6.8931 125 -0.05 100
IV.TB02.DHE.01 2019-09-20T02:00:19.58 0.1 undecidable manual S 276 8.7801 119 -0.05 100
IV.ATPC.HHE. 2019-09-20T02:00:19.08 0.1 undecidable manual P 340 13.9749 109 -0.04 99
IV.TB02.DHE.01 2019-09-20T02:00:18.02 0.1 undecidable manual P 276 8.7801 119 -0.14 98
IV.ATFO.HHZ. 2019-09-20T02:00:18.28 0.1 undecidable manual S 84 4.3956 138 -0.14 99
IV.ATPI.EHZ. 2019-09-20T02:00:18.93 1.0 positive manual P 317 13.4754 110 -0.09 24
IV.ATBU.EHE. 2019-09-20T02:00:18.95 0.1 undecidable manual P 11 12.7761 111 0.05 99
IV.TB03.DH1.01 2019-09-20T02:00:18.17 0.1 undecidable manual P 297 9.6792 117 -0.14 98
IV.ATVO.HHZ. 2019-09-20T02:00:18.08 0.3 undecidable manual P 284 9.1797 118 -0.15 73
IV.ATLO.EHE. 2019-09-20T02:00:18.34 0.1 undecidable manual P 240 10.2786 115 -0.09 98
IV.MURB.HHZ. 2019-09-20T02:00:18.54 0.1 undecidable manual P 177 11.0778 114 -0.02 100
IV.ATFO.HHZ. 2019-09-20T02:00:17.26 0.1 positive manual P 84 4.3956 138 -0.2 97
IV.TB01.DHE.01 2019-09-20T02:00:17.73 0.1 undecidable manual P 288 6.8931 125 -0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHE. ML:0.0 0.0003372213 0.3392 AML other m 2019-09-20T02:00:18.74
IV.ATFO.HHN. ML:0.0 0.0002967935 0.2 AML other m 2019-09-20T02:00:18.59
IV.ATVO.HHE. ML:0.6 0.000066987725 0.4 AML other m 2019-09-20T02:00:22.25
IV.ATVO.HHN. ML:0.4 0.00005103373 0.0992 AML other m 2019-09-20T02:00:19.95
IV.MURB.HHE. ML:1.1 0.0001832309 0.3792 AML other m 2019-09-20T02:00:21.58
IV.MURB.HHN. ML:0.9 0.00012046985000000002 0.16 AML other m 2019-09-20T02:00:21.55
IV.MURB.HNE. ML:1.1 0.00018054941 0.24 AML other m 2019-09-20T02:00:23.60
IV.MURB.HNN. ML:0.9 0.000130890145 0.4 AML other m 2019-09-20T02:00:20.85
IV.ATPI.HNE. ML:1.0 0.000107905185 0.8704 AML other m 2019-09-20T02:00:27.61
IV.PIEI.HHE. ML:1.0 0.00008656389 0.2992 AML other m 2019-09-20T02:00:24.01
IV.PIEI.HHN. ML:0.9 0.00006788710500000001 0.1808 AML other m 2019-09-20T02:00:23.79
IV.SSFR.HHE. ML:0.8 0.000043315325000000004 0.2992 AML other m 2019-09-20T02:00:26.22
IV.SSFR.HHN. ML:0.6 0.0000309035975 0.1408 AML other m 2019-09-20T02:00:26.42
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