Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 11-03-2023 and time 16:54:26 (UTC) in region 5 km SE Umbertide (PG)

A magnitude ML 1.7 earthquake occured in region: 5 km SE Umbertide (PG), on

  • 11-03-2023 16:54:26 (UTC)
  • 11-03-2023 17:54:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2840, 12.3780 at 8 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
Umbertide PG 5 16681 16681
Montone PG 10 1680 18361
Gubbio PG 18 32216 50577
Pietralunga PG 18 2111 52688
Corciano PG 19 21332 74020
Lisciano Niccone PG 19 613 74633
Perugia PG 20 166134 240767

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km N of Perugia (166134 inhabitants)
45 Km E of Arezzo (99543 inhabitants)
45 Km NW of Foligno (57155 inhabitants)
81 Km SW of Fano (60888 inhabitants)
82 Km SW of Pesaro (94582 inhabitants)
83 Km N of Terni (111501 inhabitants)
85 Km E of Siena (53903 inhabitants)
88 Km S of Rimini (147750 inhabitants)
96 Km S of Cesena (96758 inhabitants)
99 Km N of Viterbo (67173 inhabitants)
99 Km W of Ancona (100861 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 1.7 2023-03-11
16:54:26		 43.2835 12.378 9 2024-03-01
17:18:04		 Bollettino Sismico Italiano INGV 116553241
Reviewed
Rev100 		ML 1.7 2023-03-11
16:54:26		 43.2872 12.3807 10 2023-03-11
17:21:52		 Sala Sismica INGV-Roma 115259081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-11 16:54:26 ± 0.04
Latitude 43.2835 ± 0.0027
Longitude 12.3780 ± 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 116553241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 276
Semi-minor axis of confidence ellipse (meter) 249
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
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 68
Number of defining phases 68
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) 0.03238
Epicentral distance of station farthest from the epicenter (degree) 0.70057
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 35
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 116553241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-20 15:02:55

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 48
Type of magnitude ML
Reference to an origin 115259081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-11 17:21:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-03-11T16:54:51.25 0.6 undecidable manual S 130 77.7666 50 0.91 34
IV.FDMO.HHZ. 2023-03-11T16:54:46.66 0.6 undecidable manual S 115 63.5919 50 0.11 44
IV.SACS.HHZ. 2023-03-11T16:54:46.92 0.6 undecidable manual S 218 61.3941 50 0.97 34
IV.CESI.HHZ. 2023-03-11T16:54:44.21 0.6 undecidable manual S 126 52.6029 50 0.58 40
IV.MML1.EHZ. 2023-03-11T16:54:43.92 0.6 undecidable manual S 111 51.6039 50 0.58 41
IV.MGAB.HHZ. 2023-03-11T16:54:42.21 0.6 undecidable manual S 208 46.4202 50 0.24 45
IV.MPAG.EHZ. 2023-03-11T16:54:42.98 0.6 undecidable manual S 39 49.1175 50 0.29 44
IV.PARC.HHZ. 2023-03-11T16:54:40.86 0.6 undecidable manual S 345 42.0246 50 0.07 47
IV.NRCA.HHZ. 2023-03-11T16:54:40.00 0.1 undecidable manual P 130 77.7666 50 -0.28 84
IV.NARO.HHZ. 2023-03-11T16:54:39.94 0.6 undecidable manual S 24 39.8268 50 -0.26 45
IV.FRON.EHZ. 2023-03-11T16:54:39.54 0.6 undecidable manual S 47 38.2284 50 -0.24 45
IV.ASSB.HHZ. 2023-03-11T16:54:38.66 0.6 undecidable manual S 140 35.0427 50 -0.28 45
IV.CAFI.HHZ. 2023-03-11T16:54:38.00 0.6 undecidable manual S 279 33.6441 50 -0.55 42
IV.PIEI.HHZ. 2023-03-11T16:54:37.74 0.6 undecidable manual S 24 30.747 105 0.15 47
IV.FDMO.HHZ. 2023-03-11T16:54:37.84 0.1 undecidable manual P 115 63.5919 50 -0.25 86
IV.ATSC.EHZ. 2023-03-11T16:54:37.17 0.6 undecidable manual S 58 29.3484 106 0.03 48
IV.FOSV.EHZ. 2023-03-11T16:54:37.73 0.6 undecidable manual S 88 30.9468 105 0.05 48
IV.SACS.HHZ. 2023-03-11T16:54:37.97 0.1 undecidable manual P 218 61.3941 50 0.22 87
IV.APEC.HNN. 2023-03-11T16:54:37.75 0.6 undecidable manual S 6 30.6471 105 0.16 47
IV.ATMC.EHZ. 2023-03-11T16:54:36.16 0.6 undecidable manual S 321 23.4543 110 0.96 36
IV.BADI.EHZ. 2023-03-11T16:54:36.08 0.6 undecidable manual S 337 27.3504 107 -0.38 45
IV.CESI.HHZ. 2023-03-11T16:54:36.11 0.1 undecidable manual P 126 52.6029 50 -0.3 87
IV.MOMA.HHZ. 2023-03-11T16:54:36.58 0.1 undecidable manual P 164 55.4001 50 -0.26 88
IV.ATBU.EHZ. 2023-03-11T16:54:36.39 0.6 undecidable manual S 33 25.3524 108 0.57 43
IV.MPAG.EHZ. 2023-03-11T16:54:35.62 0.1 undecidable manual P 39 49.1175 50 -0.24 89
IV.ATCC.EHZ. 2023-03-11T16:54:35.73 0.3 undecidable manual S 117 23.8539 110 0.42 67
IV.MML1.EHZ. 2023-03-11T16:54:35.94 0.1 undecidable manual P 111 51.6039 50 -0.3 87
IV.PE3.EHE. 2023-03-11T16:54:35.72 0.1 undecidable manual P 12 46.7199 50 0.22 90
IV.ATPC.HNZ. 2023-03-11T16:54:35.28 0.6 undecidable manual S 16 22.755 110 0.31 46
IV.MGAB.HHZ. 2023-03-11T16:54:35.53 0.1 undecidable manual P 208 46.4202 50 0.08 92
IV.PARC.HHZ. 2023-03-11T16:54:34.92 0.1 undecidable manual P 345 42.0246 50 0.15 92
IV.NARO.HHZ. 2023-03-11T16:54:34.04 0.1 undecidable manual P 24 39.8268 50 -0.39 88
IV.ATPI.EHZ. 2023-03-11T16:54:33.59 0.3 undecidable manual S 6 18.6702 114 -0.06 73
IV.FRON.EHZ. 2023-03-11T16:54:33.79 0.1 undecidable manual P 47 38.2284 50 -0.39 88
IV.ASSB.HHZ. 2023-03-11T16:54:33.27 0.3 undecidable manual P 140 35.0427 50 -0.43 66
IV.ATFO.HHZ. 2023-03-11T16:54:33.58 0.1 undecidable manual S 59 18.1707 115 0.09 97
IV.CAFI.HHZ. 2023-03-11T16:54:33.48 0.3 undecidable manual P 279 33.6441 50 0.01 72
IV.ATSC.EHZ. 2023-03-11T16:54:32.45 0.1 undecidable manual P 58 29.3484 106 -0.21 93
IV.FOSV.EHZ. 2023-03-11T16:54:32.70 0.1 undecidable manual P 88 30.9468 105 -0.27 91
IV.TB03.DHZ. 2023-03-11T16:54:32.13 0.6 undecidable manual S 11 13.3755 122 0.11 49
IV.ATBU.EHZ. 2023-03-11T16:54:32.00 0.1 undecidable manual P 33 25.3524 108 0.1 95
IV.APEC.HNN. 2023-03-11T16:54:32.84 0.1 undecidable manual P 6 30.6471 105 -0.08 95
IV.PIEI.HHZ. 2023-03-11T16:54:32.77 0.1 undecidable manual P 24 30.747 105 -0.15 94
IV.TSM2.DHZ. 2023-03-11T16:54:32.67 0.6 undecidable manual S 36 15.4734 119 0.03 49
IV.BADI.EHZ. 2023-03-11T16:54:32.30 0.3 undecidable manual P 337 27.3504 107 0.03 72
IV.ATPC.HNZ. 2023-03-11T16:54:31.52 0.1 undecidable manual P 16 22.755 110 0.11 96
IV.ATMI.HHZ. 2023-03-11T16:54:31.40 0.6 undecidable manual S 302 10.4784 129 0.18 48
IV.ATVO.HHZ. 2023-03-11T16:54:31.53 0.6 undecidable manual S 12 11.1777 127 0.13 49
IV.ATMC.EHZ. 2023-03-11T16:54:31.61 0.1 undecidable manual P 321 23.4543 110 0.07 96
IV.MURB.HHZ. 2023-03-11T16:54:31.79 0.3 undecidable manual S 101 12.0768 125 0.14 73
IV.ATCC.EHZ. 2023-03-11T16:54:31.66 0.1 undecidable manual P 117 23.8539 110 0.06 97
IV.TB01.DHZ. 2023-03-11T16:54:31.77 0.6 undecidable manual S 23 11.877 126 0.18 48
IV.TB02.DHZ.01 2023-03-11T16:54:30.77 0.3 undecidable manual S 15 9.9789 130 -0.31 70
IV.ATFO.HHZ. 2023-03-11T16:54:30.64 0.1 undecidable manual P 59 18.1707 115 0.09 97
IV.ATPI.EHZ. 2023-03-11T16:54:30.74 0.1 undecidable manual P 6 18.6702 114 0.1 97
IV.TSM2.DHZ. 2023-03-11T16:54:30.11 0.1 undecidable manual P 36 15.4734 119 0.04 98
IV.TB01.DHZ. 2023-03-11T16:54:29.52 0.1 undecidable manual P 23 11.877 126 0.07 98
IV.ATLO.HNZ. 2023-03-11T16:54:29.13 0.3 undecidable manual S 34 4.1958 153 -0.69 63
IV.TB02.DHZ.01 2023-03-11T16:54:29.26 0.3 undecidable manual P 15 9.9789 130 0.1 73
IV.TB03.DHZ. 2023-03-11T16:54:29.80 0.1 undecidable manual P 11 13.3755 122 0.1 98
IT.UMBT.HGZ. 2023-03-11T16:54:29.28 0.3 undecidable manual S 309 3.5964 157 -0.45 69
IV.ATMI.HHZ. 2023-03-11T16:54:29.51 0.1 undecidable manual P 302 10.4784 129 0.27 95
IV.ATVO.HHZ. 2023-03-11T16:54:29.45 0.1 undecidable manual P 12 11.1777 127 0.1 98
IV.ATVA.EHZ. 2023-03-11T16:54:29.98 0.6 undecidable manual S 266 7.4814 138 -0.49 45
IV.MURB.HHZ. 2023-03-11T16:54:29.69 0.1 undecidable manual P 101 12.0768 125 0.2 96
IV.ATVA.EHZ. 2023-03-11T16:54:28.83 0.1 undecidable manual P 266 7.4814 138 0.02 100
IV.ATLO.HNZ. 2023-03-11T16:54:28.28 0.1 undecidable manual P 34 4.1958 153 -0.15 98
IT.UMBT.HGZ. 2023-03-11T16:54:28.47 0.1 undecidable manual P 309 3.5964 157 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHN. ML:3.0 0.011980593500000001 0.3328 AML other m 2023-03-11T16:54:32.42
IV.ATMI.HHE. ML:2.3 0.00287 0.32 AML other m 2023-03-11T16:54:32.43
IV.MURB.HHE. ML:2.7 0.006995 0.36 AML other m 2023-03-11T16:54:33.52
IV.ATPI.EHN. ML:1.9 0.000638 1.7 AML other m 2023-03-11T16:54:33.12
IV.ATFO.HHN. ML:2.0 0.00078776625 0.32 AML other m 2023-03-11T16:54:33.99
IV.ATMI.HHN. ML:2.2 0.002244622 0.4096 AML other m 2023-03-11T16:54:35.34
IV.ATFO.HHE. ML:1.9 0.0006881852 0.4352 AML other m 2023-03-11T16:54:35.40
IV.ATCC.EHE. ML:2.1 0.000883 0.3 AML other m 2023-03-11T16:54:36.66
IV.ATPI.EHE. ML:2.0 0.0007945 0.66 AML other m 2023-03-11T16:54:36.52
IV.BADI.EHE. ML:1.6 0.00022099999999999998 0.2 AML other m 2023-03-11T16:54:37.78
IV.PIEI.HHN. ML:1.7 0.0002259661 0.2816 AML other m 2023-03-11T16:54:38.43
IV.CAFI.HHN. ML:1.6 0.0001635 0.28 AML other m 2023-03-11T16:54:38.53
IV.PIEI.HHE. ML:1.7 0.00022100000000000003 0.26 AML other m 2023-03-11T16:54:38.53
IV.BADI.EHN. ML:1.7 0.00027100000000000003 0.24 AML other m 2023-03-11T16:54:38.74
IV.ATCC.EHN. ML:2.1 0.000767 0.44 AML other m 2023-03-11T16:54:38.68
IV.CAFI.HHE. ML:1.7 0.000206 0.36 AML other m 2023-03-11T16:54:39.24
IV.FOSV.EHN. ML:1.7 0.00022000000000000003 0.2 AML other m 2023-03-11T16:54:39.46
IV.ASSB.HHN. ML:1.8 0.00028349999999999995 0.28 AML other m 2023-03-11T16:54:39.85
IV.ASSB.HHE. ML:1.8 0.00023999999999999998 0.32 AML other m 2023-03-11T16:54:40.14
IV.FRON.EHN. ML:1.7 0.0001915 1.36 AML other m 2023-03-11T16:54:40.17
IV.FRON.EHE. ML:1.6 0.0001296 0.86 AML other m 2023-03-11T16:54:41.83
IV.PARC.HHE. ML:1.6 0.00013800000000000002 0.8 AML other m 2023-03-11T16:54:42.71
IV.FOSV.EHE. ML:1.5 0.00014981535 0.64 AML other m 2023-03-11T16:54:43.78
IV.NARO.HHE. ML:1.5 0.00009920000000000001 0.42 AML other m 2023-03-11T16:54:43.58
IV.NARO.HHN. ML:1.4 0.0000805 0.3 AML other m 2023-03-11T16:54:43.55
IV.PARC.HHN. ML:1.6 0.0001245 0.3 AML other m 2023-03-11T16:54:44.63
IV.MML1.EHN. ML:1.7 0.00011268425499999999 0.192 AML other m 2023-03-11T16:54:45.22
IV.MGAB.HHE. ML:1.9 0.00024351600000000002 0.3072 AML other m 2023-03-11T16:54:44.11
IV.CESI.HHN. ML:1.5 0.000084886245 0.2944 AML other m 2023-03-11T16:54:45.99
IV.MGAB.HHN. ML:2.2 0.000491 0.24 AML other m 2023-03-11T16:54:45.31
IV.MML1.EHE. ML:1.6 0.00009019099999999999 0.3968 AML other m 2023-03-11T16:54:46.75
IV.CESI.HHE. ML:1.4 0.000069706865 0.2432 AML other m 2023-03-11T16:54:44.89
IV.MPAG.EHN. ML:1.5 0.000078483055 1.68 AML other m 2023-03-11T16:54:46.93
IV.MPAG.EHE. ML:1.4 0.00006154142 0.3584 AML other m 2023-03-11T16:54:47.03
IV.MOMA.HHN. ML:1.0 0.000026767895 0.2176 AML other m 2023-03-11T16:54:47.16
IV.SACS.HHN. ML:1.8 0.00011696129999999999 0.2944 AML other m 2023-03-11T16:54:47.22
IV.SACS.HHE. ML:1.5 0.00007168408 0.3072 AML other m 2023-03-11T16:54:48.45
IV.FDMO.HHN. ML:1.4 0.000050859050000000006 0.192 AML other m 2023-03-11T16:54:48.56
IV.FDMO.HHE. ML:1.5 0.0000635 1.22 AML other m 2023-03-11T16:54:48.69
IV.MOMA.HHE. ML:1.6 0.00009425994999999999 1.7568 AML other m 2023-03-11T16:54:51.93
IV.NRCA.HHE. ML:1.5 0.00004321677 0.2048 AML other m 2023-03-11T16:54:53.79
IV.NRCA.HHN. ML:1.5 0.00004770000000000001 0.4 AML other m 2023-03-11T16:54:54.69
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