Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 07-04-2020 and time 11:47:15 (UTC) in region 4 km W Gubbio (PG)

A magnitude ML 0.4 earthquake occured in region: 4 km W Gubbio (PG), on

  • 07-04-2020 11:47:15 (UTC)
  • 07-04-2020 13:47:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3740, 12.5310 at 6 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 12 1393 35720
Cantiano PU 14 2245 37965
Costacciaro PG 15 1216 39181
Montone PG 16 1680 40861
Sigillo PG 18 2404 43265
Umbertide PG 18 16681 59946

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NE of Perugia (166134 inhabitants)
49 Km NW of Foligno (57155 inhabitants)
53 Km E of Arezzo (99543 inhabitants)
66 Km SW of Fano (60888 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
77 Km S of Rimini (147750 inhabitants)
84 Km W of Ancona (100861 inhabitants)
88 Km S of Cesena (96758 inhabitants)
91 Km N of Terni (111501 inhabitants)
97 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 0.4 2020-04-07
11:47:15		 43.3737 12.5308 6 2020-04-07
12:42:44		 Sala Sismica INGV-Roma 77984021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-07 11:47:15 ± 0.14
Latitude 43.3737 ± 0.0036
Longitude 12.5308 ± 0.0049
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77984021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 379
Semi-minor axis of confidence ellipse (meter) 80
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 326
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.03058
Epicentral distance of station farthest from the epicenter (degree) 0.19335
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 77984021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-07 12:42:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATPC.HNN. 2020-04-07T11:47:21.48 0.3 undecidable manual S 333 13.2756 115 0.45 69
IV.MURB.HHZ. 2020-04-07T11:47:21.26 0.3 undecidable manual S 182 12.2766 117 0.54 67
IV.TB03.DHZ.01 2020-04-07T11:47:20.02 0.3 undecidable manual S 288 10.1787 122 -0.07 75
IV.ATBU.HNN. 2020-04-07T11:47:20.81 0.3 undecidable manual S 7 11.3775 119 0.35 71
IV.ATLO.HNE. 2020-04-07T11:47:20.70 0.3 undecidable manual S 237 11.877 118 0.1 74
IV.SSFR.HNE. 2020-04-07T11:47:20.19 0.3 undecidable manual P 71 21.4674 106 -0.22 71
IV.PIEI.HHZ. 2020-04-07T11:47:19.69 0.3 undecidable manual P 1 17.9709 109 -0.06 74
IV.ATVO.HHZ. 2020-04-07T11:47:19.86 0.1 undecidable manual S 275 10.0788 122 -0.19 98
IV.MURB.HHZ. 2020-04-07T11:47:18.83 0.3 undecidable manual P 182 12.2766 117 0.13 74
IV.TB02.DHN.01 2020-04-07T11:47:18.24 0.3 undecidable manual P 268 9.7791 123 -0.03 76
IV.ATSC.EHE. 2020-04-07T11:47:18.95 0.3 undecidable manual P 66 13.6752 115 -0.01 76
IV.ATFO.HHZ. 2020-04-07T11:47:18.24 0.1 undecidable manual S 103 3.3966 152 -0.17 99
IV.ATPC.HNN. 2020-04-07T11:47:18.84 0.3 undecidable manual P 333 13.2756 115 -0.04 75
IV.TB03.DHZ.01 2020-04-07T11:47:18.17 0.6 undecidable manual P 288 10.1787 122 -0.16 49
IV.ATVO.HHZ. 2020-04-07T11:47:18.16 0.1 undecidable manual P 275 10.0788 122 -0.15 98
IV.ATBU.HNN. 2020-04-07T11:47:18.57 0.3 undecidable manual P 7 11.3775 119 0.03 76
IV.ATLO.HNE. 2020-04-07T11:47:18.53 0.3 undecidable manual P 237 11.877 118 -0.1 74
IV.ATFO.HHZ. 2020-04-07T11:47:17.23 0.1 undecidable manual P 103 3.3966 152 -0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHE. ML:0.0 0.00034007184999999997 0.2176 AML other m 2020-04-07T11:47:18.84
IV.ATFO.HHN. ML:0.0 0.00021354135000000002 0.1984 AML other m 2020-04-07T11:47:18.75
IV.ATVO.HHE. ML:0.4 0.00003773579 0.2176 AML other m 2020-04-07T11:47:20.20
IV.ATVO.HHN. ML:0.2 0.000023664916 0.1792 AML other m 2020-04-07T11:47:19.94
IV.MURB.HHN. ML:0.7 0.00006367597 0.2432 AML other m 2020-04-07T11:47:21.60
IV.MURB.HHE. ML:0.6 0.00005101881 0.2624 AML other m 2020-04-07T11:47:23.78
IV.PIEI.HHE. ML:0.4 0.00002043679 0.2176 AML other m 2020-04-07T11:47:23.20
IV.PIEI.HHN. ML:0.0 0.0000105082175 0.1152 AML other m 2020-04-07T11:47:23.09
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