Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 01-06-2023 and time 11:23:04 (UTC) in region 5 km SE Norcia (PG)

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

  • 01-06-2023 11:23:04 (UTC)
  • 01-06-2023 13:23:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7530, 13.1200 at 11 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
Norcia PG 5 4957 4957
Cascia PG 9 3217 8174
Accumoli RI 12 667 8841
Arquata del Tronto AP 15 1178 10019
Cittareale RI 15 482 10501
Preci PG 16 724 11225
Poggiodomo PG 16 117 11342
Castelsantangelo sul Nera MC 16 281 11623
Monteleone di Spoleto PG 18 599 12222
Cerreto di Spoleto PG 18 1075 13297
Amatrice RI 19 2657 15954
Visso MC 20 1107 17061

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km SE of Foligno (57155 inhabitants)
44 Km E of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
71 Km SE of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
92 Km N of Tivoli (56533 inhabitants)
95 Km W of Pescara (121014 inhabitants)
97 Km W of Chieti (51815 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 2023-06-01
11:23:04		 42.7528 13.1198 11 2023-06-01
11:31:01		 Sala Sismica INGV-Roma 117948441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-01 11:23:04 ± 0.08
Latitude 42.7528 ± 0.0027
Longitude 13.1198 ± 0.0049
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117948441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 420
Semi-minor axis of confidence ellipse (meter) 122
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 89
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 32
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) 0.48473
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 117948441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-01 11:31:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHE. 2023-06-01T11:23:26.92 3.0 undecidable manual S -4.62 0
IV.CING.HHZ. 2023-06-01T11:23:26.40 3.0 undecidable manual S -0.88 0
IV.EL6.EHE. 2023-06-01T11:23:26.13 3.0 undecidable manual S 0.47 0
IV.LATE.HHN. 2023-06-01T11:23:25.76 3.0 negative manual P 2.07 0
IV.SAP2.EHN. 2023-06-01T11:23:20.18 0.6 undecidable manual S 31 44.4222 50 0.93 36
IV.ASSB.HHZ. 2023-06-01T11:23:20.83 0.6 undecidable manual S 311 49.4172 50 0.25 45
IV.TERO.HHZ. 2023-06-01T11:23:18.40 0.3 undecidable manual S 110 42.0246 50 -0.22 70
IV.T0110.HHZ. 2023-06-01T11:23:18.75 3.0 negative manual P -0.34 0
IV.MML1.EHZ. 2023-06-01T11:23:18.46 0.3 undecidable manual S 343 41.8248 50 -0.09 72
IV.EL6.EHZ. 2023-06-01T11:23:17.23 3.0 negative manual P 0.77 0
IV.CSP1.EHZ. 2023-06-01T11:23:17.60 0.3 undecidable manual S 10 38.2284 50 0 73
IV.CAMP.HHZ. 2023-06-01T11:23:16.33 0.3 undecidable manual S 135 33.744 50 -0.07 73
IV.CESI.HHE. 2023-06-01T11:23:16.23 0.6 undecidable manual S 328 32.9448 50 0.02 49
IV.ARRO.EHZ. 2023-06-01T11:23:16.53 0.6 undecidable manual S 236 34.743 50 -0.14 48
IV.FDMO.HHZ. 2023-06-01T11:23:15.66 0.3 undecidable manual S 355 31.5462 50 -0.17 72
IV.RM33.EHZ. 2023-06-01T11:23:15.04 0.3 undecidable manual S 164 28.1496 50 0.13 72
IV.FIAM.HHZ. 2023-06-01T11:23:14.93 0.3 negative manual P 180 53.8017 50 0.31 67
IV.OFFI.HHZ. 2023-06-01T11:23:14.86 0.3 positive manual P 66 50.2164 50 0.78 58
IV.CESX.HHZ. 2023-06-01T11:23:13.66 3.0 undecidable manual P 0.23 0
IV.MMO1.EHZ. 2023-06-01T11:23:13.47 0.3 undecidable manual S 46 23.3544 50 -0.18 73
IV.ASSB.HHZ. 2023-06-01T11:23:13.98 0.6 negative manual P 311 49.4172 50 0.04 47
IV.MOMA.HHZ. 2023-06-01T11:23:13.47 3.0 positive manual P 0.24 0
IV.GIGS.HHZ. 2023-06-01T11:23:13.85 1.0 positive manual P 132 49.7169 50 -0.14 23
IV.CSP1.EHZ. 2023-06-01T11:23:12.09 0.1 positive manual P 10 38.2284 50 -0.13 95
IV.GAVE.EHZ. 2023-06-01T11:23:12.79 0.3 undecidable manual S 250 19.5693 119 0.17 73
IV.MML1.EHZ. 2023-06-01T11:23:12.73 1.0 negative manual P 343 41.8248 50 -0.04 24
IV.GUMA.HHZ. 2023-06-01T11:23:12.47 0.6 positive manual P 27 38.5281 50 0.19 47
IV.SAP2.EHN. 2023-06-01T11:23:12.77 0.6 positive manual P 31 44.4222 50 -0.4 45
IV.LNSS.HHE. 2023-06-01T11:23:12.40 0.3 undecidable manual S 201 17.871 121 0.3 72
IV.TERO.HHZ. 2023-06-01T11:23:12.57 0.3 positive manual P 110 42.0246 50 -0.24 69
IV.CESI.HHE. 2023-06-01T11:23:11.29 0.1 undecidable manual P 328 32.9448 50 -0.12 97
IV.FDMO.HHZ. 2023-06-01T11:23:11.06 1.0 negative manual P 355 31.5462 50 -0.14 24
IV.CAMP.HHZ. 2023-06-01T11:23:11.55 0.3 positive manual P 135 33.744 50 0.03 74
IV.RM33.EHZ. 2023-06-01T11:23:10.71 0.6 positive manual P 164 28.1496 50 0.05 49
IV.ARRO.EHZ. 2023-06-01T11:23:10.89 0.6 negative manual P 236 34.743 50 -0.79 40
IV.GAVE.EHZ. 2023-06-01T11:23:09.50 0.1 negative manual P 250 19.5693 119 0.16 98
IV.NRCA.HNZ. 2023-06-01T11:23:09.60 0.3 undecidable manual S 357 8.9799 140 -0.12 74
IV.MMO1.EHZ. 2023-06-01T11:23:09.89 0.1 undecidable manual P 46 23.3544 50 -0.05 100
IV.LNSS.HHE. 2023-06-01T11:23:08.76 0.1 undecidable manual P 201 17.871 121 -0.28 95
IV.NRCA.HNZ. 2023-06-01T11:23:07.87 0.1 undecidable manual P 357 8.9799 140 0.2 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:2.5 0.00424 0.1 AML other m 2023-06-01T11:23:09.75
IV.NRCA.HHE. ML:2.6 0.00468 0.08 AML other m 2023-06-01T11:23:09.89
IV.NRCA.HHN. ML:2.1 0.001665 1.02 AML other m 2023-06-01T11:23:10.29
IV.NRCA.HNN. ML:2.1 0.0015 1.2 AML other m 2023-06-01T11:23:10.29
IV.LNSS.HHN. ML:1.7 0.0003855 1.04 AML other m 2023-06-01T11:23:12.98
IV.LNSS.HHE. ML:1.7 0.000413 1.52 AML other m 2023-06-01T11:23:13.09
IV.GAVE.EHN. ML:1.9 0.00063 0.14 AML other m 2023-06-01T11:23:13.21
IV.MMO1.EHE. ML:1.7 0.00034199999999999996 0.08 AML other m 2023-06-01T11:23:13.64
IV.MMO1.EHN. ML:1.7 0.0003085 0.6 AML other m 2023-06-01T11:23:14.63
IV.GAVE.EHE. ML:1.8 0.0004825 0.14 AML other m 2023-06-01T11:23:14.80
IV.RM33.EHE. ML:1.5 0.000157 0.12 AML other m 2023-06-01T11:23:15.77
IV.FDMO.HHE. ML:1.3 0.0000858 0.84 AML other m 2023-06-01T11:23:15.40
IV.RM33.EHN. ML:1.4 0.00011754999999999998 0.28 AML other m 2023-06-01T11:23:15.83
IV.FDMO.HHN. ML:1.3 0.0000929 1.02 AML other m 2023-06-01T11:23:16.44
IV.CAMP.HHE. ML:1.1 0.000054149999999999995 0.96 AML other m 2023-06-01T11:23:16.97
IV.CESI.HHN. ML:1.5 0.0001515 0.72 AML other m 2023-06-01T11:23:16.19
IV.CAMP.HHN. ML:1.3 0.00008945 0.28 AML other m 2023-06-01T11:23:16.63
IV.CESI.HHE. ML:1.4 0.00011225 0.28 AML other m 2023-06-01T11:23:16.63
IV.ARRO.EHE. ML:1.5 0.000126 0.18 AML other m 2023-06-01T11:23:17.82
IV.CSP1.EHE. ML:1.7 0.00016849999999999998 1.24 AML other m 2023-06-01T11:23:18.01
IV.TERO.HHN. ML:1.6 0.0001157 1.16 AML other m 2023-06-01T11:23:19.76
IV.CSP1.EHN. ML:1.6 0.000142 0.54 AML other m 2023-06-01T11:23:19.33
IV.MML1.EHN. ML:1.2 0.000051250000000000006 0.9 AML other m 2023-06-01T11:23:19.25
IV.GUMA.HHN. ML:1.8 0.00023150000000000002 0.62 AML other m 2023-06-01T11:23:20.51
IV.MML1.EHE. ML:1.3 0.00006025 0.16 AML other m 2023-06-01T11:23:20.53
IV.ARRO.EHN. ML:1.5 0.0001185 0.2 AML other m 2023-06-01T11:23:20.55
IV.TERO.HHE. ML:1.4 0.0000876 0.66 AML other m 2023-06-01T11:23:20.56
IV.GIGS.HHE. ML:1.1 0.000034 0.14 AML other m 2023-06-01T11:23:21.14
IV.CESX.HHE. ML:1.5 0.0000842 1.36 AML other m 2023-06-01T11:23:21.12
IV.GIGS.HHN. ML:1.0 0.0000235 0.1 AML other m 2023-06-01T11:23:21.10
IV.SAP2.EHN. ML:2.3 0.0005985000000000001 0.14 AML other m 2023-06-01T11:23:21.28
IV.MOMA.HHE. ML:2.0 0.000282 0.22 AML other m 2023-06-01T11:23:21.26
IV.SAP2.EHE. ML:1.5 0.00009835 0.54 AML other m 2023-06-01T11:23:21.32
IV.MOMA.HHN. ML:1.4 0.0000779 0.2 AML other m 2023-06-01T11:23:21.43
IV.GUMA.HHE. ML:1.8 0.000217 0.5 AML other m 2023-06-01T11:23:21.34
IV.CESX.HHN. ML:1.5 0.00008669999999999999 1.36 AML other m 2023-06-01T11:23:21.79
IV.ASSB.HHN. ML:1.6 0.000105 0.56 AML other m 2023-06-01T11:23:22.65
IV.ASSB.HHE. ML:1.6 0.0000994 0.18 AML other m 2023-06-01T11:23:23.17
IV.ATCC.EHN. ML:1.3 0.0000422 0.2 AML other m 2023-06-01T11:23:25.89
IV.ATCC.EHE. ML:1.4 0.0000471 0.54 AML other m 2023-06-01T11:23:26.70
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