Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 11-05-2020 and time 02:58:02 (Italy) in region 6 km NW Gubbio (PG)

A magnitude ML 1.1 earthquake occured in region: 6 km NW Gubbio (PG), on

  • 11-05-2020 00:58:02 (UTC)
  • 11-05-2020 02:58:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3990, 12.5440 at 9 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 6 32216 32216
Pietralunga PG 10 2111 34327
Scheggia e Pascelupo PG 10 1393 35720
Cantiano PU 11 2245 37965
Costacciaro PG 14 1216 39181
Sigillo PG 18 2404 41585
Montone PG 18 1680 43265
Cagli PU 19 8731 51996

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Perugia (166134 inhabitants)
51 Km N of Foligno (57155 inhabitants)
54 Km E of Arezzo (99543 inhabitants)
63 Km SW of Fano (60888 inhabitants)
64 Km SW of Pesaro (94582 inhabitants)
74 Km S of Rimini (147750 inhabitants)
82 Km W of Ancona (100861 inhabitants)
86 Km S of Cesena (96758 inhabitants)
94 Km N of Terni (111501 inhabitants)
98 Km E of Siena (53903 inhabitants)
100 Km SE 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
Reviewed
Rev100 		ML 1.1 2020-05-11
00:58:02		 43.3992 12.5442 9 2020-05-11
01:03:36		 Sala Sismica INGV-Roma 79032251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-11 00:58:02 ± 0.15
Latitude 43.3992 ± 0.0027
Longitude 12.5442 ± 0.0050
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79032251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 356
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 113
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21314
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 79032251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-11 01:03:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TRI.HHZ. 2020-05-11T00:59:21.93 3.0 undecidable manual Sg 1.12 0
IV.MAON.HHZ. 2020-05-11T00:58:32.08 3.0 undecidable manual Sg 11.54 0
IV.ORZI.HHZ. 2020-05-11T00:58:20.44 3.0 negative manual Pn -9.99 0
IV.CRMI.HHZ. 2020-05-11T00:58:12.75 3.0 positive manual Pg 1.09 0
IV.NARO.HHZ. 2020-05-11T00:58:11.70 0.6 undecidable manual S 7 23.6541 111 0.05 49
IV.FRON.EHZ. 2020-05-11T00:58:10.28 0.6 undecidable manual S 48 19.6692 115 -0.1 49
IV.APEC.HHZ. 2020-05-11T00:58:10.77 0.6 undecidable manual S 331 20.2686 115 0.19 48
IV.PIEI.HHZ. 2020-05-11T00:58:09.15 0.6 undecidable manual S 357 15.1737 121 0.15 49
IV.MURB.HHZ. 2020-05-11T00:58:09.13 0.6 undecidable manual S 186 15.1737 121 0.12 49
IV.ATCC.EHZ. 2020-05-11T00:58:08.17 3.0 negative manual Pn 3.18 0
IV.ATPI.EHZ. 2020-05-11T00:58:08.30 0.6 undecidable manual S 297 12.7761 126 -0.01 50
IV.NARO.HHZ. 2020-05-11T00:58:07.69 0.1 undecidable manual P 7 23.6541 111 -0.23 95
IV.ATVO.HHZ. 2020-05-11T00:58:07.54 0.6 undecidable manual S 260 11.2776 129 -0.35 47
IV.FRON.EHZ. 2020-05-11T00:58:07.16 0.1 undecidable manual P 48 19.6692 115 -0.03 99
IV.APEC.HHZ. 2020-05-11T00:58:07.39 1.0 negative manual P 331 20.2686 115 0.09 25
IV.MURB.HHZ. 2020-05-11T00:58:06.47 0.1 negative manual P 186 15.1737 121 0.07 99
IV.PIEI.HHZ. 2020-05-11T00:58:06.48 0.1 undecidable manual P 357 15.1737 121 0.09 99
IV.ATPI.EHZ. 2020-05-11T00:58:06.05 0.1 undecidable manual P 297 12.7761 126 0.05 100
IV.RIBO.EHZ.01 2020-05-11T00:58:05.16 3.0 positive manual P 0.69 0
IV.ATVO.HHZ. 2020-05-11T00:58:05.73 0.3 undecidable manual P 260 11.2776 129 -0.02 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHE. ML:1.1 0.0001115 1.34 AML other m 2020-05-11T00:58:09.69
IV.PIEI.HHN. ML:0.7 0.00004845 0.24 AML other m 2020-05-11T00:58:09.92
IV.MURB.HHN. ML:1.2 0.00014500000000000003 0.22 AML other m 2020-05-11T00:58:09.92
IV.PIEI.HHE. ML:0.9 0.00006955 1.76 AML other m 2020-05-11T00:58:10.90
IV.CRMI.HHN. ML:1.5 0.000019105 0.92 AML other m 2020-05-11T00:58:13.26
IV.CRMI.HHE. ML:1.5 0.000020900000000000003 0.66 AML other m 2020-05-11T00:58:14.37
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