Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 21-04-2024 and time 15:42:11 (UTC) in region 2 km NE Norcia (PG)

A magnitude ML 1.5 earthquake occured in region: 2 km NE Norcia (PG), on

  • 21-04-2024 15:42:11 (UTC)
  • 21-04-2024 17:42:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8050, 13.1160 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 2 4957 4957
Preci PG 10 724 5681
Castelsantangelo sul Nera MC 11 281 5962
Cascia PG 13 3217 9179
Visso MC 14 1107 10286
Arquata del Tronto AP 15 1178 11464
Ussita MC 16 444 11908
Cerreto di Spoleto PG 16 1075 12983
Accumoli RI 16 667 13650
Poggiodomo PG 18 117 13767
Sellano PG 18 1079 14846
Montegallo AP 18 523 15369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
47 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
68 Km SE of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
98 Km W of Pescara (121014 inhabitants)
100 Km NW 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 1.5 2024-04-21
15:42:11		 42.8048 13.1157 10 2024-04-21
15:51:21		 Sala Sismica INGV-Roma 126940521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-21 15:42:11 ± 0.04
Latitude 42.8048 ± 0.0018
Longitude 13.1157 ± 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 126940521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 265
Semi-minor axis of confidence ellipse (meter) 240
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 79
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 44
Number of associated phases, regardless of their use for origin computation 68
Number of defining phases 54
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.62953
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 29
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 126940521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-21 15:51:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ORI.HHZ. 2024-04-21T15:43:52.24 3.0 undecidable manual Sn 0.41 0
IV.CMPR.HHZ. 2024-04-21T15:43:36.70 3.0 undecidable manual Sn 3.03 0
GU.GSCL.HHZ. 2024-04-21T15:43:31.60 3.0 undecidable manual Sg 11.35 0
IV.MPPT.EHZ. 2024-04-21T15:43:09.44 3.0 undecidable manual Sn 2.06 0
IV.ACER.HHZ. 2024-04-21T15:42:59.42 3.0 positive manual Pn 2.57 0
IV.SLCN.HHZ. 2024-04-21T15:42:58.80 3.0 undecidable manual Pn -0.02 0
IV.CDRU.HHZ. 2024-04-21T15:42:58.74 0.6 positive manual P 3.03 0
IV.MRLC.HHZ. 2024-04-21T15:42:57.26 1.0 undecidable manual P 3.31 0
IX.STN3.EHZ.02 2024-04-21T15:42:56.97 3.0 negative manual Pn -0.46 0
IX.SCL3.EHZ.02 2024-04-21T15:42:56.72 3.0 positive manual Pn 1.97 0
IV.PTRJ.HHZ. 2024-04-21T15:42:46.31 3.0 undecidable manual Pg 5.06 0
IV.CIGN.HHZ. 2024-04-21T15:42:44.83 3.0 undecidable manual Pg 3.96 0
IV.MOCO.HNZ. 2024-04-21T15:42:44.74 3.0 undecidable manual Pn -0.69 0
IV.PIEI.HHZ. 2024-04-21T15:42:41.59 3.0 undecidable manual S -0.18 0
IV.SSFR.HHZ. 2024-04-21T15:42:36.45 3.0 undecidable manual S 0.31 0
IV.ATCC.EHZ. 2024-04-21T15:42:30.43 0.6 undecidable manual S 318 57.1983 50 0.62 40
IV.SNTG.HHZ. 2024-04-21T15:42:29.04 0.6 undecidable manual S 344 51.9036 50 0.64 40
IV.GIGS.HHZ. 2024-04-21T15:42:28.66 0.6 undecidable manual S 136 54.0015 50 -0.29 44
IV.ASSB.HHZ. 2024-04-21T15:42:26.48 0.6 undecidable manual S 306 45.5211 50 -0.22 46
IV.MOMA.HHZ. 2024-04-21T15:42:26.85 0.6 undecidable manual S 270 44.4222 50 0.46 44
IV.MURB.HHZ. 2024-04-21T15:42:24.26 0.3 undecidable manual P 317 69.8745 50 0.1 67
IV.MF5.EHZ. 2024-04-21T15:42:24.56 0.6 undecidable manual S 54 34.5432 50 0.8 39
IV.CAMP.HHZ. 2024-04-21T15:42:24.54 0.6 undecidable manual S 141 38.2284 50 -0.21 46
IV.ARRO.EHZ. 2024-04-21T15:42:24.70 0.6 undecidable manual S 229 37.9287 50 0.02 48
IV.GUMA.HHZ. 2024-04-21T15:42:23.96 0.6 undecidable manual S 32 33.744 50 0.42 45
IV.MML1.EHZ. 2024-04-21T15:42:23.99 0.6 undecidable manual S 341 36.1416 50 -0.21 47
IV.CING.HHZ. 2024-04-21T15:42:23.35 3.0 positive manual P 0.06 0
IV.RM33.EHZ. 2024-04-21T15:42:23.62 0.6 undecidable manual S 166 33.8439 50 0.06 48
IV.ATCC.EHZ. 2024-04-21T15:42:22.15 0.3 undecidable manual P 318 57.1983 50 -0.06 69
IV.SMA1.EHE. 2024-04-21T15:42:21.43 0.6 undecidable manual S 137 26.3514 50 -0.14 48
IV.GIGS.HHZ. 2024-04-21T15:42:21.54 0.3 undecidable manual P 136 54.0015 50 -0.18 68
IV.CESI.HHZ. 2024-04-21T15:42:21.68 0.3 undecidable manual S 322 28.0497 50 -0.35 69
IV.FDMO.HHZ. 2024-04-21T15:42:21.01 0.3 undecidable manual S 355 25.752 50 -0.42 68
IV.SNTG.HHZ. 2024-04-21T15:42:21.14 0.3 undecidable manual P 344 51.9036 50 -0.26 67
IV.FIAM.HHZ. 2024-04-21T15:42:21.92 0.3 undecidable manual P 180 59.5959 50 -0.65 59
IV.MTRA.EHZ. 2024-04-21T15:42:20.50 0.6 undecidable manual S 103 23.4543 113 -0.19 48
IT.MTCL.HGN. 2024-04-21T15:42:20.19 0.6 undecidable manual S 336 22.9548 113 -0.34 46
IV.ASSB.HHZ. 2024-04-21T15:42:20.27 0.3 undecidable manual P 306 45.5211 50 -0.15 70
IV.LNSS.HNN. 2024-04-21T15:42:20.62 0.6 undecidable manual S 195 23.2545 113 0.01 50
IV.MOMA.HHZ. 2024-04-21T15:42:20.30 0.3 undecidable manual P 270 44.4222 50 0.06 71
IV.GAVE.EHZ. 2024-04-21T15:42:20.22 0.6 undecidable manual S 235 21.9669 114 0.02 50
IV.ARRO.EHZ. 2024-04-21T15:42:19.75 0.3 undecidable manual P 229 37.9287 50 0.5 66
IV.FEMA.HNN. 2024-04-21T15:42:19.05 0.3 undecidable manual S 343 18.2706 119 0 75
IV.MMO1.HNZ. 2024-04-21T15:42:19.54 0.3 undecidable manual S 59 20.1687 116 -0.09 74
IV.CAMP.HHZ. 2024-04-21T15:42:19.19 0.3 undecidable manual P 141 38.2284 50 -0.1 71
IV.RM33.EHZ. 2024-04-21T15:42:18.54 0.3 undecidable manual P 166 33.8439 50 -0.07 72
IV.GUMA.HHZ. 2024-04-21T15:42:18.73 0.3 undecidable manual P 32 33.744 50 0.14 71
IV.SMA1.EHE. 2024-04-21T15:42:18.02 0.3 undecidable manual P 137 26.3514 50 0.56 65
7F.SIB2.EHN. 2024-04-21T15:42:18.76 0.6 undecidable manual S 58 18.0708 119 -0.23 48
IV.MML1.EHZ. 2024-04-21T15:42:18.78 0.3 undecidable manual P 341 36.1416 50 -0.19 70
IV.MF5.EHZ. 2024-04-21T15:42:18.94 0.3 undecidable manual P 54 34.5432 50 0.22 70
7F.SIB3.EHN. 2024-04-21T15:42:17.82 0.3 undecidable manual S 58 14.7741 124 -0.2 73
IV.MTRA.EHZ. 2024-04-21T15:42:17.02 0.3 undecidable manual P 103 23.4543 113 0.07 74
IV.CESI.HHZ. 2024-04-21T15:42:17.59 0.1 undecidable manual P 322 28.0497 50 -0.13 96
IV.MC2.EHE. 2024-04-21T15:42:17.88 0.6 undecidable manual S 27 13.2756 127 0.29 48
IV.FDMO.HHZ. 2024-04-21T15:42:17.14 0.3 undecidable manual P 355 25.752 50 -0.23 71
IV.GAVE.EHZ. 2024-04-21T15:42:16.72 0.1 undecidable manual P 235 21.9669 114 0.05 99
IV.FEMA.HNN. 2024-04-21T15:42:16.09 0.1 undecidable manual P 343 18.2706 119 0.09 99
IV.MMO1.HNZ. 2024-04-21T15:42:16.45 0.1 undecidable manual P 59 20.1687 116 0.12 98
IT.MTCL.HGN. 2024-04-21T15:42:16.71 0.3 undecidable manual P 336 22.9548 113 -0.15 73
IV.LNSS.HNN. 2024-04-21T15:42:16.84 0.1 undecidable manual P 195 23.2545 113 -0.06 98
IV.MC2.EHE. 2024-04-21T15:42:15.42 0.3 undecidable manual P 27 13.2756 127 0.27 72
ZO.PDN11.EHN. 2024-04-21T15:42:15.41 0.3 undecidable manual S 171 2.3976 167 0.02 77
IV.NRCA.HHZ. 2024-04-21T15:42:15.32 0.3 undecidable manual S 358 3.1968 162 -0.14 75
7F.SIB3.EHN. 2024-04-21T15:42:15.46 0.1 undecidable manual P 58 14.7741 124 0.06 100
7F.SIB2.EHN. 2024-04-21T15:42:15.87 0.1 undecidable manual P 58 18.0708 119 -0.09 99
ZO.PDN11.EHN. 2024-04-21T15:42:14.06 0.1 undecidable manual P 171 2.3976 167 0.17 100
IV.NRCA.HHZ. 2024-04-21T15:42:14.09 0.1 undecidable manual P 358 3.1968 162 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:1.3 0.00011075 0.86 AML other m 2024-04-21T15:42:21.52
IV.GAVE.EHN. ML:1.6 0.0002895 1.02 AML other m 2024-04-21T15:42:21.20
IV.MTRA.HNN. ML:1.8 0.0003675 0.72 AML other m 2024-04-21T15:42:21.03
IV.MTRA.EHN. ML:1.8 0.000348 0.72 AML other m 2024-04-21T15:42:21.03
IV.MTRA.EHE. ML:1.7 0.000294 1.12 AML other m 2024-04-21T15:42:21.10
IV.MTRA.HNE. ML:1.7 0.000324 1.12 AML other m 2024-04-21T15:42:21.10
IV.CESI.HHE. ML:1.6 0.000189 0.1 AML other m 2024-04-21T15:42:21.82
IV.CESI.HHN. ML:1.7 0.00027850000000000005 1.48 AML other m 2024-04-21T15:42:22.91
IV.FDMO.HHE. ML:1.3 0.0001205 0.26 AML other m 2024-04-21T15:42:22.39
IV.GAVE.EHE. ML:1.6 0.000262 0.48 AML other m 2024-04-21T15:42:23.61
IV.MML1.EHN. ML:1.4 0.00010705 1.06 AML other m 2024-04-21T15:42:24.70
IV.RM33.EHE. ML:1.4 0.0000981 0.62 AML other m 2024-04-21T15:42:24.47
IV.MML1.EHE. ML:1.4 0.00010899999999999999 0.12 AML other m 2024-04-21T15:42:24.61
IV.RM33.EHN. ML:1.3 0.00008745 0.24 AML other m 2024-04-21T15:42:24.51
IV.ARRO.EHE. ML:1.2 0.0000596 1.02 AML other m 2024-04-21T15:42:25.89
IV.ARRO.EHN. ML:1.2 0.00006745 1.7 AML other m 2024-04-21T15:42:26.96
IV.MOMA.HHE. ML:1.6 0.00011949999999999999 0.22 AML other m 2024-04-21T15:42:27.67
IV.MOMA.HHN. ML:1.5 0.0000878 0.24 AML other m 2024-04-21T15:42:28.09
IV.ASSB.HHE. ML:1.5 0.00009659999999999999 0.28 AML other m 2024-04-21T15:42:28.65
IV.ASSB.HHN. ML:1.4 0.00007705 1.24 AML other m 2024-04-21T15:42:28.64
IV.CING.HHN. ML:1.4 0.00004775 0.72 AML other m 2024-04-21T15:42:32.45
IV.MURB.HHE. ML:1.6 0.00007115 0.22 AML other m 2024-04-21T15:42:36.46
IV.SSFR.HHE. ML:1.6 0.00006120000000000001 0.9 AML other m 2024-04-21T15:42:38.64
IV.MURB.HHN. ML:1.7 0.0000838 0.86 AML other m 2024-04-21T15:42:41.70
IV.SSFR.HHN. ML:1.4 0.00003925 0.72 AML other m 2024-04-21T15:42:42.85
IV.CING.HHE. ML:1.5 0.00005685 1.58 AML other m 2024-04-21T15:42:46.79
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