Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 11-05-2023 and time 12:50:17 (Italy) in region 5 km SE Pietralunga (PG)

A magnitude ML 1.6 earthquake occured in region: 5 km SE Pietralunga (PG), on

  • 11-05-2023 10:50:17 (UTC)
  • 11-05-2023 12:50:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4180, 12.4870 at 7 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
Pietralunga PG 5 2111 2111
Gubbio PG 10 32216 34327
Cantiano PU 13 2245 36572
Montone PG 14 1680 38252
Scheggia e Pascelupo PG 15 1393 39645
Apecchio PU 17 1882 41527
Umbertide PG 18 16681 58208
Piobbico PU 19 2029 60237
Costacciaro PG 19 1216 61453
Cagli PU 20 8731 70184

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km N of Perugia (166134 inhabitants)
49 Km E of Arezzo (99543 inhabitants)
54 Km NW of Foligno (57155 inhabitants)
64 Km SW of Fano (60888 inhabitants)
65 Km SW of Pesaro (94582 inhabitants)
72 Km S of Rimini (147750 inhabitants)
82 Km S of Cesena (96758 inhabitants)
86 Km W of Ancona (100861 inhabitants)
94 Km E of Siena (53903 inhabitants)
96 Km N of Terni (111501 inhabitants)
97 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 1.6 2023-05-11
10:50:17		 43.4177 12.487 7 2023-05-11
11:04:28		 Sala Sismica INGV-Roma 117244661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-11 10:50:17 ± 0.05
Latitude 43.4177 ± 0.0018
Longitude 12.4870 ± 0.0025
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117244661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 201
Semi-minor axis of confidence ellipse (meter) 164
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 151
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 63
Number of defining phases 61
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.61604
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 33
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 38
Type of magnitude ML
Reference to an origin 117244661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-11 11:04:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2023-05-11T10:50:47.28 0.6 undecidable manual S 0.07 0.93
IV.RIBO.EHZ.01 2023-05-11T10:50:41.52 3.0 positive manual P 1.39 0
IV.IMOL.HNZ. 2023-05-11T10:50:39.66 3.0 positive manual P 0.42 0
IV.CSP1.EHZ. 2023-05-11T10:50:39.88 0.6 undecidable manual S 122 68.376 50 0.51 40
IV.MOMA.HHZ. 2023-05-11T10:50:39.98 1.0 undecidable manual S 174 68.376 50 0.58 20
IV.EL6.EHZ. 2023-05-11T10:50:34.75 0.6 undecidable manual S 101 50.5161 50 0.13 45
IV.ASSB.HHZ. 2023-05-11T10:50:32.46 0.6 undecidable manual S 161 43.8228 50 -0.38 43
IV.SNTG.HHZ. 2023-05-11T10:50:31.71 0.6 undecidable manual S 116 40.8258 50 -0.31 44
IV.CSP1.EHZ. 2023-05-11T10:50:30.02 1.0 undecidable manual P 122 68.376 50 -0.26 21
IV.MOMA.HHZ. 2023-05-11T10:50:30.41 1.0 undecidable manual P 174 68.376 50 0.12 22
IV.MPAG.EHZ. 2023-05-11T10:50:29.11 0.6 undecidable manual S 43 32.1456 103 -0.17 46
IV.FDMO.HHZ. 2023-05-11T10:50:29.24 1.0 positive manual P 131 64.3911 50 -0.43 21
IV.EL6.EHZ. 2023-05-11T10:50:28.05 1.0 undecidable manual P 101 50.5161 50 0.52 21
IV.ATCC.EHZ. 2023-05-11T10:50:28.66 0.1 undecidable manual S 154 28.5492 104 0.56 85
IV.FOSV.EHZ. 2023-05-11T10:50:27.09 0.6 undecidable manual S 122 25.9518 106 -0.13 47
IV.FRON.EHZ. 2023-05-11T10:50:26.00 0.6 undecidable manual S 60 22.1556 108 0.03 49
IV.ASSB.HHZ. 2023-05-11T10:50:26.03 1.0 undecidable manual P 161 43.8228 50 -0.47 21
IV.SSFR.HHZ. 2023-05-11T10:50:26.63 0.6 undecidable manual S 85 23.8539 107 0.11 48
IV.SNTG.HHZ. 2023-05-11T10:50:25.63 0.6 undecidable manual P 116 40.8258 50 -0.41 43
IV.NARO.HHZ. 2023-05-11T10:50:25.86 0.6 undecidable manual S 19 22.6551 108 -0.28 46
IV.ARVD.HHZ. 2023-05-11T10:50:25.35 0.6 positive manual P 76 37.629 101 -0.19 46
IV.ATMI.HHZ. 2023-05-11T10:50:25.25 0.6 undecidable manual S 242 19.9689 110 0.02 49
IV.ATSC.EHE. 2023-05-11T10:50:24.24 0.6 undecidable manual S 87 16.0728 115 0.25 47
IV.APEC.HHZ. 2023-05-11T10:50:24.33 0.6 undecidable manual S 341 16.5723 114 0.2 47
IV.MURB.HHZ. 2023-05-11T10:50:24.87 0.6 undecidable manual S 170 17.4714 113 0.46 45
IV.MPAG.EHZ. 2023-05-11T10:50:24.05 0.1 undecidable manual P 43 32.1456 103 -0.4 88
IV.PARC.HHZ. 2023-05-11T10:50:24.57 0.6 negative manual P 322 32.4453 103 0.05 48
IV.PIEI.HHZ. 2023-05-11T10:50:23.56 0.6 undecidable manual S 16 13.6752 118 0.33 46
IV.ATCC.EHZ. 2023-05-11T10:50:23.67 0.1 undecidable manual P 154 28.5492 104 -0.1 95
IV.FOSV.EHZ. 2023-05-11T10:50:23.10 0.6 undecidable manual P 122 25.9518 106 -0.16 47
IV.ATLO.HNE. 2023-05-11T10:50:23.14 0.3 undecidable manual S 210 13.0758 119 0.08 73
IV.ATMI.HHZ. 2023-05-11T10:50:22.09 0.1 positive manual P 242 19.9689 110 -0.02 98
IV.TSM5.DHE.01 2023-05-11T10:50:22.83 0.6 undecidable manual S 53 11.5773 122 0.22 48
IV.FRON.EHZ. 2023-05-11T10:50:22.40 0.1 positive manual P 60 22.1556 108 -0.14 95
IV.ATBU.HNN. 2023-05-11T10:50:22.07 0.6 undecidable manual S 37 8.0808 132 0.42 46
IV.TSM3.DHE.01 2023-05-11T10:50:22.65 0.6 undecidable manual S 250 11.2776 123 0.12 49
IV.NARO.HHZ. 2023-05-11T10:50:22.42 0.1 positive manual P 19 22.6551 108 -0.21 93
IV.TSM1.DHE.01 2023-05-11T10:50:22.75 0.6 undecidable manual S 132 11.9769 122 0.01 50
IV.SSFR.HHZ. 2023-05-11T10:50:22.68 0.1 positive manual P 85 23.8539 107 -0.18 94
IV.ATVO.HHZ. 2023-05-11T10:50:21.44 0.6 undecidable manual S 239 7.5813 134 -0.08 49
IV.PIEI.HHZ. 2023-05-11T10:50:21.06 0.3 positive manual P 16 13.6752 118 0.1 73
IV.ATSC.EHE. 2023-05-11T10:50:21.50 0.1 undecidable manual P 87 16.0728 115 0.1 97
IV.TSM4.DHZ.09 2023-05-11T10:50:21.74 0.1 undecidable manual P 231 19.0698 111 -0.2 94
IV.ATPI.EHZ. 2023-05-11T10:50:21.44 0.6 undecidable manual S 298 7.7811 134 -0.12 49
IV.APEC.HHZ. 2023-05-11T10:50:21.59 0.1 undecidable manual P 341 16.5723 114 0.11 96
IV.ATPC.HHN. 2023-05-11T10:50:21.63 0.6 undecidable manual S 341 7.3815 135 0.16 49
IV.ATFO.HHZ. 2023-05-11T10:50:21.73 0.6 undecidable manual S 130 8.88 130 -0.12 49
IV.TB01.DHZ.01 2023-05-11T10:50:21.00 0.3 undecidable manual S 226 5.7942 142 -0.1 74
IV.MURB.HHZ. 2023-05-11T10:50:21.68 0.6 positive manual P 170 17.4714 113 0.04 49
IV.TB02.DHN.01 2023-05-11T10:50:21.74 0.6 undecidable manual S 230 8.1807 132 0.07 49
IV.ATPC.HHN. 2023-05-11T10:50:20.06 0.1 undecidable manual P 341 7.3815 135 0.12 98
IV.ATFO.HHZ. 2023-05-11T10:50:20.12 0.1 positive manual P 130 8.88 130 -0.04 99
IV.TSM1.DHE.01 2023-05-11T10:50:20.64 0.1 undecidable manual P 132 11.9769 122 -0.03 99
IV.TB02.DHN.01 2023-05-11T10:50:20.12 0.1 undecidable manual P 230 8.1807 132 0.07 99
IV.TSM5.DHE.01 2023-05-11T10:50:20.83 0.1 undecidable manual P 53 11.5773 122 0.23 95
IV.ATBU.HNN. 2023-05-11T10:50:20.29 0.1 undecidable manual P 37 8.0808 132 0.24 95
IV.ATPI.EHZ. 2023-05-11T10:50:20.01 1.0 undecidable manual P 298 7.7811 134 0.02 25
IV.ATLO.HNE. 2023-05-11T10:50:20.98 0.1 undecidable manual P 210 13.0758 119 0.12 97
IV.TSM3.DHE.01 2023-05-11T10:50:20.67 0.1 undecidable manual P 250 11.2776 123 0.12 97
IV.TB01.DHZ.01 2023-05-11T10:50:19.75 0.1 undecidable manual P 226 5.7942 142 0.03 100
IV.TSM2.DHE.01 2023-05-11T10:50:19.81 0.1 undecidable manual S 174 2.3976 162 -0.73 83
IV.ATVO.HHZ. 2023-05-11T10:50:19.99 0.1 positive manual P 239 7.5813 134 0.02 100
IV.TSM2.DHE.01 2023-05-11T10:50:19.16 0.1 undecidable manual P 174 2.3976 162 -0.24 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATVO.HHE. ML:1.8 0.00117 0.66 AML other m 2023-05-11T10:50:21.86
IV.ATVO.HHN. ML:1.8 0.0011315 0.12 AML other m 2023-05-11T10:50:21.56
IV.ATPI.EHN. ML:1.8 0.0011979999999999998 0.16 AML other m 2023-05-11T10:50:21.67
IV.ATFO.HHN. ML:1.8 0.00103 0.38 AML other m 2023-05-11T10:50:22.23
IV.ATPI.EHE. ML:1.7 0.000977 1.46 AML other m 2023-05-11T10:50:22.91
IV.ATFO.HHE. ML:1.8 0.0010739999999999999 0.1 AML other m 2023-05-11T10:50:22.53
IV.PIEI.HNN. ML:1.6 0.00047750000000000006 1.36 AML other m 2023-05-11T10:50:24.07
IV.PIEI.HHE. ML:1.9 0.000854 0.26 AML other m 2023-05-11T10:50:24.14
IV.PIEI.HNE. ML:1.9 0.0009235 0.26 AML other m 2023-05-11T10:50:24.15
IV.PIEI.HHN. ML:1.6 0.0005015000000000001 0.26 AML other m 2023-05-11T10:50:24.28
IV.APEC.HHN. ML:1.5 0.00027400000000000005 0.14 AML other m 2023-05-11T10:50:24.54
IV.APEC.HHE. ML:1.4 0.0002525 0.14 AML other m 2023-05-11T10:50:24.77
IV.MURB.HHN. ML:1.9 0.0006639999999999999 0.18 AML other m 2023-05-11T10:50:25.61
IV.MURB.HNN. ML:1.8 0.0006039999999999999 0.18 AML other m 2023-05-11T10:50:25.70
IV.ATMI.HHN. ML:1.4 0.0001785 0.32 AML other m 2023-05-11T10:50:25.83
IV.NARO.HHE. ML:1.3 0.00012735 1.02 AML other m 2023-05-11T10:50:26.95
IV.MURB.HHE. ML:1.8 0.0006385000000000001 0.48 AML other m 2023-05-11T10:50:26.75
IV.MURB.HNE. ML:1.8 0.0006100000000000001 1.52 AML other m 2023-05-11T10:50:26.00
IV.SSFR.HHE. ML:2.0 0.0006525000000000001 1.36 AML other m 2023-05-11T10:50:26.93
IV.SSFR.HNE. ML:2.0 0.000732 1.34 AML other m 2023-05-11T10:50:26.93
IV.FRON.EHE. ML:1.3 0.00013700000000000002 0.1 AML other m 2023-05-11T10:50:26.93
IV.NARO.HHN. ML:1.2 0.00010625 0.9 AML other m 2023-05-11T10:50:26.52
IV.FRON.EHN. ML:1.7 0.000319 0.98 AML other m 2023-05-11T10:50:26.97
IV.ATMI.HHE. ML:1.5 0.0002415 0.98 AML other m 2023-05-11T10:50:27.01
IV.SSFR.HNN. ML:2.0 0.0006094999999999999 1.82 AML other m 2023-05-11T10:50:28.94
IV.SSFR.HHN. ML:1.9 0.0005475000000000001 1.8 AML other m 2023-05-11T10:50:28.93
IV.ATCC.EHN. ML:1.8 0.00032950000000000004 0.42 AML other m 2023-05-11T10:50:28.77
IV.ATCC.EHE. ML:1.7 0.0002895 0.8 AML other m 2023-05-11T10:50:29.60
IV.FOSV.EHN. ML:1.2 0.00009075 0.44 AML other m 2023-05-11T10:50:29.74
IV.PARC.HHE. ML:1.4 0.00009784999999999999 1.4 AML other m 2023-05-11T10:50:30.12
IV.FOSV.EHE. ML:1.1 0.00007980000000000002 0.58 AML other m 2023-05-11T10:50:30.66
IV.PARC.HHN. ML:1.5 0.0001505 0.16 AML other m 2023-05-11T10:50:30.80
IV.ARVD.HHE. ML:1.5 0.000129 1.22 AML other m 2023-05-11T10:50:30.29
IV.ARVD.HHN. ML:1.4 0.00009520000000000001 0.78 AML other m 2023-05-11T10:50:30.99
IV.SNTG.HHE. ML:1.4 0.00009049999999999999 1.52 AML other m 2023-05-11T10:50:32.07
IV.SNTG.HHN. ML:1.6 0.00011899999999999999 0.42 AML other m 2023-05-11T10:50:32.36
IV.ASSB.HHN. ML:1.5 0.00008955 0.96 AML other m 2023-05-11T10:50:34.69
IV.ASSB.HHE. ML:1.4 0.00006950000000000001 1.58 AML other m 2023-05-11T10:50:36.11
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