Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 18-03-2024 and time 15:32:06 (UTC) in region 1 km NE Norcia (PG)

A magnitude ML 1.6 earthquake occured in region: 1 km NE Norcia (PG), on

  • 18-03-2024 15:32:06 (UTC)
  • 18-03-2024 16:32:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8020, 13.1010 at 10 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 1 4957 4957
Preci PG 10 724 5681
Castelsantangelo sul Nera MC 11 281 5962
Cascia PG 12 3217 9179
Visso MC 15 1107 10286
Cerreto di Spoleto PG 15 1075 11361
Ussita MC 16 444 11805
Arquata del Tronto AP 16 1178 12983
Poggiodomo PG 17 117 13100
Accumoli RI 17 667 13767
Sellano PG 17 1079 14846
Montegallo AP 20 523 15369
Vallo di Nera PG 20 364 15733

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
52 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
67 Km SE of Perugia (166134 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
98 Km W of Pescara (121014 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 2024-03-18
15:32:06		 42.8017 13.1012 10 2024-03-18
15:52:03		 Sala Sismica INGV-Roma 125967511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-18 15:32:06 ± 0.06
Latitude 42.8017 ± 0.0027
Longitude 13.1012 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125967511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 257
Semi-minor axis of confidence ellipse (meter) 234
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 32
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) 0.84177
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 125967511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-18 15:52:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CQUE.HHZ. 2024-03-18T15:32:43.61 3.0 positive manual Pg 3.76 0
IV.ARVD.HHZ. 2024-03-18T15:32:32.63 3.0 undecidable manual S 0.27 0
TV.SF11.HHZ. 2024-03-18T15:32:29.90 3.0 undecidable manual P 4 0
IV.PIEI.HHZ. 2024-03-18T15:32:23.18 0.1 undecidable manual P 331 93.4398 50 0.29 83
IV.CESX.HHZ. 2024-03-18T15:32:22.34 0.3 undecidable manual S 243 47.1195 50 0.15 70
IV.T0110.HHZ. 2024-03-18T15:32:21.66 1.0 positive manual P 139 84.1491 50 0.2 22
IV.ASSB.HHZ. 2024-03-18T15:32:21.54 0.6 undecidable manual S 307 44.8218 50 -0.03 48
IV.MF5.EHZ. 2024-03-18T15:32:20.03 0.6 undecidable manual S 55 35.742 50 0.89 38
IV.MML1.EHZ. 2024-03-18T15:32:19.08 0.3 undecidable manual S 343 36.1416 50 -0.19 71
IV.CAMP.HHZ. 2024-03-18T15:32:19.79 0.3 undecidable manual S 139 38.7279 50 -0.17 71
IV.RM33.EHZ. 2024-03-18T15:32:18.62 0.3 undecidable manual S 164 33.744 50 -0.01 74
IV.CSP1.EHZ. 2024-03-18T15:32:18.50 0.6 undecidable manual S 15 33.2445 50 0.01 49
IV.CESI.HHZ. 2024-03-18T15:32:16.83 0.3 undecidable manual S 325 27.6501 50 -0.16 73
IV.FDMO.HHZ. 2024-03-18T15:32:16.23 0.3 undecidable manual S 358 26.0517 50 -0.34 70
IV.GIGS.HHZ. 2024-03-18T15:32:16.56 0.1 undecidable manual P 135 54.6009 50 -0.34 89
IV.CESX.HHZ. 2024-03-18T15:32:16.15 0.1 undecidable manual P 243 47.1195 50 0.4 89
IV.MTRA.EHZ. 2024-03-18T15:32:16.30 0.1 undecidable manual S 102 24.5532 50 0.13 98
IV.LNSS.HHZ. 2024-03-18T15:32:15.51 0.6 undecidable manual S 193 22.6551 114 -0.05 50
IV.ASSB.HHZ. 2024-03-18T15:32:15.27 0.1 positive manual P 307 44.8218 50 -0.12 95
IV.TERO.HHZ. 2024-03-18T15:32:15.29 0.3 positive manual P 116 45.5211 50 -0.22 69
IV.MF5.EHZ. 2024-03-18T15:32:14.40 0.1 undecidable manual P 55 35.742 50 0.4 91
IV.CAMP.HHZ. 2024-03-18T15:32:14.35 0.1 undecidable manual P 139 38.7279 50 -0.11 96
IV.GUMA.HHZ. 2024-03-18T15:32:14.17 1.0 negative manual P 33 34.6431 50 0.34 23
IV.MMO1.EHZ. 2024-03-18T15:32:14.93 0.3 undecidable manual S 59 21.2676 116 -0.22 72
IV.MML1.EHZ. 2024-03-18T15:32:13.96 0.6 positive manual P 343 36.1416 50 -0.1 48
IV.RM33.EHZ. 2024-03-18T15:32:13.56 0.1 undecidable manual P 164 33.744 50 -0.14 96
IV.CSP1.EHZ. 2024-03-18T15:32:13.58 1.0 positive manual P 15 33.2445 50 -0.04 25
IV.MTRA.EHZ. 2024-03-18T15:32:12.25 0.1 undecidable manual P 102 24.5532 50 -0.03 100
IV.CESI.HHZ. 2024-03-18T15:32:12.72 0.1 positive manual P 325 27.6501 50 -0.03 99
IV.FDMO.HHZ. 2024-03-18T15:32:12.41 0.1 positive manual P 358 26.0517 50 -0.1 98
IV.LNSS.HHZ. 2024-03-18T15:32:12.00 0.6 undecidable manual P 193 22.6551 114 0.08 50
IV.SMA1.EHZ. 2024-03-18T15:32:12.66 0.1 positive manual P 135 26.9508 50 0.02 100
IV.MMO1.EHZ. 2024-03-18T15:32:11.75 0.1 undecidable manual P 59 21.2676 116 0.06 100
IV.NRCA.HHZ. 2024-03-18T15:32:10.73 0.6 undecidable manual S 17 3.6963 160 0.02 52
IV.NRCA.HHZ. 2024-03-18T15:32:09.39 1.0 undecidable manual P 17 3.6963 160 0.26 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.3 0.0033399999999999997 0.82 AML other m 2024-03-18T15:32:10.81
IV.NRCA.HNE. ML:2.3 0.003395 0.06 AML other m 2024-03-18T15:32:10.81
IV.NRCA.HNN. ML:2.5 0.006455 0.12 AML other m 2024-03-18T15:32:10.80
IV.NRCA.HHN. ML:2.6 0.0069299999999999995 0.14 AML other m 2024-03-18T15:32:10.80
IV.MMO1.EHE. ML:1.8 0.00039549999999999996 0.7 AML other m 2024-03-18T15:32:15.33
IV.MMO1.EHN. ML:1.6 0.0002845 0.34 AML other m 2024-03-18T15:32:15.44
IV.LNSS.HHE. ML:1.8 0.0004515 0.42 AML other m 2024-03-18T15:32:16.06
IV.LNSS.HNE. ML:1.8 0.00042249999999999997 0.42 AML other m 2024-03-18T15:32:16.07
IV.MTRA.EHN. ML:1.6 0.0002635 0.6 AML other m 2024-03-18T15:32:16.84
IV.CESI.HHE. ML:1.6 0.00020649999999999998 0.4 AML other m 2024-03-18T15:32:17.08
IV.CESI.HHN. ML:1.8 0.000374 0.3 AML other m 2024-03-18T15:32:17.09
IV.LNSS.HHN. ML:1.8 0.000429 0.18 AML other m 2024-03-18T15:32:17.14
IV.LNSS.HNN. ML:1.8 0.0004095 0.16 AML other m 2024-03-18T15:32:17.15
IV.FDMO.HHN. ML:1.4 0.00013800000000000002 0.5 AML other m 2024-03-18T15:32:17.22
IV.FDMO.HHE. ML:1.4 0.00013350000000000002 0.74 AML other m 2024-03-18T15:32:17.71
IV.MTRA.EHE. ML:1.7 0.0002965 0.48 AML other m 2024-03-18T15:32:17.72
IV.CSP1.EHN. ML:1.7 0.00023299999999999997 0.6 AML other m 2024-03-18T15:32:18.67
IV.SMA1.EHN. ML:1.7 0.000244 0.14 AML other m 2024-03-18T15:32:18.63
IV.CSP1.EHE. ML:1.8 0.00027800000000000004 0.88 AML other m 2024-03-18T15:32:19.49
IV.RM33.EHE. ML:1.6 0.000153 0.14 AML other m 2024-03-18T15:32:19.72
IV.MML1.EHE. ML:1.5 0.000116 0.16 AML other m 2024-03-18T15:32:20.21
IV.RM33.EHN. ML:1.5 0.0001336 1.3 AML other m 2024-03-18T15:32:20.99
IV.CAMP.HHE. ML:1.2 0.00005535 0.86 AML other m 2024-03-18T15:32:20.44
IV.MML1.EHN. ML:1.6 0.0001595 0.76 AML other m 2024-03-18T15:32:20.45
IV.MF5.EHN. ML:1.4 0.00010065000000000001 0.3 AML other m 2024-03-18T15:32:20.32
IV.SMA1.EHE. ML:1.7 0.0002615 0.54 AML other m 2024-03-18T15:32:20.53
IV.GUMA.HHN. ML:1.7 0.00019700000000000002 0.46 AML other m 2024-03-18T15:32:20.99
IV.CESX.HHN. ML:1.4 0.0000811 0.42 AML other m 2024-03-18T15:32:22.84
IV.TERO.HHN. ML:1.4 0.00008075 0.52 AML other m 2024-03-18T15:32:23.36
IV.ASSB.HHE. ML:1.5 0.00008790000000000001 0.12 AML other m 2024-03-18T15:32:23.30
IV.TERO.HHE. ML:1.5 0.00009384999999999999 1 AML other m 2024-03-18T15:32:23.57
IV.CESX.HHE. ML:1.4 0.0000791 0.34 AML other m 2024-03-18T15:32:23.81
IV.MF5.EHE. ML:1.4 0.00009334999999999999 0.46 AML other m 2024-03-18T15:32:23.48
IV.GIGS.HHN. ML:0.8 0.00001455 0.52 AML other m 2024-03-18T15:32:24.42
IV.ASSB.HHN. ML:1.4 0.0000815 1.84 AML other m 2024-03-18T15:32:25.92
IV.GUMA.HHE. ML:1.6 0.00014399999999999998 0.46 AML other m 2024-03-18T15:32:26.53
IV.GIGS.HHE. ML:0.8 0.000014089999999999999 0.46 AML other m 2024-03-18T15:32:27.37
IV.CING.HHN. ML:1.1 0.00002335 1.22 AML other m 2024-03-18T15:32:29.75
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