Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 11-02-2024 and time 18:34:28 (Italy) in region 2 km E Spoleto (PG)

A magnitude ML 2.3 earthquake occured in region: 2 km E Spoleto (PG), on

  • 11-02-2024 17:34:28 (UTC)
  • 11-02-2024 18:34:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7360, 12.7680 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
Spoleto PG 2 38218 38218
Sant'Anatolia di Narco PG 6 564 38782
Scheggino PG 6 461 39243
Vallo di Nera PG 9 364 39607
Campello sul Clitunno PG 10 2442 42049
Castel Ritaldi PG 13 3278 45327
Ferentillo TR 13 1913 47240
Poggiodomo PG 14 117 47357
Montefranco TR 15 1276 48633
Cerreto di Spoleto PG 15 1075 49708
Trevi PG 16 8469 58177
Arrone TR 17 2763 60940
Monteleone di Spoleto PG 18 599 61539
Polino TR 18 233 61772
Acquasparta TR 19 4778 66550
Giano dell'Umbria PG 19 3846 70396
Montefalco PG 20 5679 76075

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Terni (111501 inhabitants)
25 Km S of Foligno (57155 inhabitants)
52 Km SE of Perugia (166134 inhabitants)
65 Km NE of Viterbo (67173 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
77 Km W of Teramo (54892 inhabitants)
82 Km N of Guidonia Montecelio (88673 inhabitants)
86 Km N of Tivoli (56533 inhabitants)
97 Km N of Roma (2864731 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 2.3 2024-02-11
17:34:28		 42.736 12.7682 10 2024-02-11
17:39:45		 Sala Sismica INGV-Roma 125223741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-11 17:34:28 ± 0.05
Latitude 42.7360 ± 0.0036
Longitude 12.7682 ± 0.0049
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125223741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 461
Semi-minor axis of confidence ellipse (meter) 320
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 217
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47844
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 12
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 88
Type of magnitude ML
Reference to an origin 125223741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-11 17:39:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PAOL.HNZ. 2024-02-11T17:35:36.48 3.0 undecidable manual Sg 2.84 0
IV.SSFR.HHZ. 2024-02-11T17:34:55.10 3.0 undecidable manual S 1.19 0
IV.SACS.HHZ. 2024-02-11T17:34:53.48 3.0 undecidable manual S 0.92 0
IV.CING.HHZ. 2024-02-11T17:34:53.92 3.0 undecidable manual S -0.39 0
IV.ATFO.HHZ. 2024-02-11T17:34:52.26 3.0 undecidable manual S 0.07 0
IV.GUMA.HHZ. 2024-02-11T17:34:48.98 3.0 undecidable manual S 0.57 0
IV.NARO.HHZ. 2024-02-11T17:34:46.61 3.0 negative manual P 0.2 0
IV.ATCC.EHZ. 2024-02-11T17:34:46.28 3.0 undecidable manual S 0.29 0
IV.MPAG.EHZ. 2024-02-11T17:34:46.53 3.0 positive manual P -0.01 0
IV.CSP1.EHZ. 2024-02-11T17:34:46.27 0.6 undecidable manual S 42 53.1024 50 0.43 43
IV.VCEL.EHZ. 2024-02-11T17:34:46.20 3.0 negative manual P -0.16 0
IV.PIEI.HHZ. 2024-02-11T17:34:44.71 3.0 positive manual P -0.45 0
IV.CERT.HHZ. 2024-02-11T17:34:44.97 3.0 positive manual P -0.49 0
IV.ARVD.HHZ. 2024-02-11T17:34:44.70 3.0 positive manual P 0.4 0
IV.CAFI.HHZ. 2024-02-11T17:34:44.80 3.0 undecidable manual P -0.8 0
IV.ATVO.HHZ. 2024-02-11T17:34:44.22 3.0 positive manual P 1.24 0
IV.FDMO.HHZ. 2024-02-11T17:34:43.15 0.3 undecidable manual S 38 42.2244 50 0.2 69
IV.MML1.EHZ. 2024-02-11T17:34:43.98 0.3 undecidable manual S 21 45.0216 50 0.29 67
IV.SSFR.HHZ. 2024-02-11T17:34:43.27 3.0 undecidable manual P 0.3 0
IV.CING.HHZ. 2024-02-11T17:34:42.77 3.0 undecidable manual P -0.42 0
IV.TERO.HHZ. 2024-02-11T17:34:42.39 3.0 positive manual P 0.47 0
IV.ASSB.HHZ. 2024-02-11T17:34:41.42 0.3 undecidable manual S 345 35.1426 50 0.36 67
IV.FOSV.EHZ. 2024-02-11T17:34:40.46 3.0 undecidable manual P 0.11 0
IV.MURB.HHZ. 2024-02-11T17:34:40.24 3.0 positive manual P -0.1 0
IV.FIAM.HHZ. 2024-02-11T17:34:40.10 3.0 undecidable manual P -0.35 0
IV.GUMA.HHZ. 2024-02-11T17:34:40.30 3.0 positive manual P 0.42 0
IV.NRCA.HHZ. 2024-02-11T17:34:39.76 0.3 undecidable manual S 69 30.1476 50 0.03 73
IV.CAMP.HHZ. 2024-02-11T17:34:39.48 3.0 positive manual P -0.41 0
IV.CESI.HHZ. 2024-02-11T17:34:39.96 0.3 undecidable manual S 20 31.8459 50 -0.21 70
IV.SNTG.HHZ. 2024-02-11T17:34:39.49 3.0 positive manual P -0.4 0
IV.LNSS.HHZ. 2024-02-11T17:34:38.82 0.6 undecidable manual S 124 26.6511 50 0.03 49
IV.CSP1.EHZ. 2024-02-11T17:34:38.78 0.1 positive manual P 42 53.1024 50 0.06 92
IV.SMA1.EHZ. 2024-02-11T17:34:38.18 3.0 negative manual P -0.14 0
IV.MMO1.EHZ. 2024-02-11T17:34:38.06 3.0 negative manual P -0.28 0
IV.ATCC.EHZ. 2024-02-11T17:34:37.98 3.0 negative manual P -0.54 0
IV.MML1.EHZ. 2024-02-11T17:34:37.17 0.3 positive manual P 21 45.0216 50 -0.31 67
IV.RM33.EHZ. 2024-02-11T17:34:37.39 0.6 negative manual P 124 44.3223 50 0.03 47
IV.FDMO.HHZ. 2024-02-11T17:34:36.87 0.1 undecidable manual P 38 42.2244 50 -0.18 92
IV.CESX.HHZ. 2024-02-11T17:34:36.99 0.6 undecidable manual S 226 20.4684 116 0.09 49
IV.MOMA.HHZ. 2024-02-11T17:34:36.28 0.3 undecidable manual S 295 17.7711 119 0.21 72
IV.ASSB.HHZ. 2024-02-11T17:34:35.77 0.1 positive manual P 345 35.1426 50 -0.19 93
IV.NRCA.HHZ. 2024-02-11T17:34:35.08 0.1 negative manual P 69 30.1476 50 -0.11 95
IV.CESI.HHZ. 2024-02-11T17:34:35.20 0.1 undecidable manual P 20 31.8459 50 -0.24 92
IV.LNSS.HHZ. 2024-02-11T17:34:34.63 0.1 negative manual P 124 26.6511 50 -0.02 98
IV.GAVE.EHZ. 2024-02-11T17:34:34.25 0.3 undecidable manual S 115 11.3775 131 0.01 75
IV.CESX.HHZ. 2024-02-11T17:34:33.45 0.1 positive manual P 226 20.4684 116 -0.1 97
IV.ARRO.EHZ. 2024-02-11T17:34:33.24 0.1 positive manual P 181 17.3715 120 0.23 95
IV.GAVE.EHZ. 2024-02-11T17:34:32.05 0.1 undecidable manual P 115 11.3775 131 0.03 100
IV.MOMA.HHZ. 2024-02-11T17:34:32.92 0.1 negative manual P 295 17.7711 119 -0.16 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.HNN. ML:2.1 0.0013900000000000002 0.38 AML other m 2024-02-11T17:34:36.26
IV.GAVE.EHN. ML:2.6 0.004995 0.38 AML other m 2024-02-11T17:34:36.26
IV.GAVE.HNE. ML:2.7 0.006220000000000001 0.34 AML other m 2024-02-11T17:34:36.54
IV.GAVE.EHE. ML:2.7 0.00597 0.36 AML other m 2024-02-11T17:34:36.54
IV.ARRO.EHE. ML:2.2 0.0014750000000000002 0.64 AML other m 2024-02-11T17:34:37.77
IV.MOMA.HHE. ML:2.5 0.0028650000000000004 0.74 AML other m 2024-02-11T17:34:37.47
IV.MOMA.HNE. ML:2.6 0.0029100000000000003 0.14 AML other m 2024-02-11T17:34:37.41
IV.MOMA.HNN. ML:2.4 0.0022949999999999997 0.3 AML other m 2024-02-11T17:34:37.61
IV.MOMA.HHN. ML:2.6 0.0029100000000000003 0.4 AML other m 2024-02-11T17:34:37.41
IV.ARRO.EHN. ML:2.2 0.0012255 1.04 AML other m 2024-02-11T17:34:38.05
IV.CESX.HHN. ML:2.6 0.0025800000000000003 0.5 AML other m 2024-02-11T17:34:38.50
IV.LNSS.HHN. ML:2.6 0.0021349999999999997 0.42 AML other m 2024-02-11T17:34:39.42
IV.LNSS.HNN. ML:2.6 0.00198 0.4 AML other m 2024-02-11T17:34:39.42
IV.LNSS.HHE. ML:2.5 0.001765 0.64 AML other m 2024-02-11T17:34:39.32
IV.LNSS.HNE. ML:2.5 0.0016699999999999998 0.42 AML other m 2024-02-11T17:34:39.43
IV.CESI.HNE. ML:2.4 0.0011864999999999998 0.32 AML other m 2024-02-11T17:34:40.41
IV.CESI.HHE. ML:2.4 0.0012549999999999998 0.3 AML other m 2024-02-11T17:34:40.41
IV.CESX.HHE. ML:2.5 0.002455 0.38 AML other m 2024-02-11T17:34:40.49
IV.ASSB.HHE. ML:2.5 0.0014449999999999999 0.28 AML other m 2024-02-11T17:34:41.70
IV.ASSB.HHN. ML:2.5 0.00135 0.3 AML other m 2024-02-11T17:34:41.69
IV.NRCA.HNE. ML:2.4 0.001144 1.3 AML other m 2024-02-11T17:34:43.09
IV.NRCA.HHE. ML:2.4 0.001199 0.74 AML other m 2024-02-11T17:34:43.09
IV.CESI.HHN. ML:2.6 0.0017150000000000002 0.28 AML other m 2024-02-11T17:34:43.45
IV.CESI.HNN. ML:2.6 0.00168 0.28 AML other m 2024-02-11T17:34:43.45
IV.FDMO.HHN. ML:2.2 0.0005809999999999999 0.2 AML other m 2024-02-11T17:34:43.84
IV.NRCA.HHN. ML:2.3 0.0009165000000000001 0.22 AML other m 2024-02-11T17:34:43.88
IV.NRCA.HNN. ML:2.3 0.0009875 0.8 AML other m 2024-02-11T17:34:43.88
IV.FDMO.HHE. ML:2.4 0.000818 0.4 AML other m 2024-02-11T17:34:43.68
IV.MML1.HNE. ML:2.5 0.0009225 0.66 AML other m 2024-02-11T17:34:44.56
IV.MML1.EHE. ML:2.5 0.0009459999999999999 1.44 AML other m 2024-02-11T17:34:45.89
IV.MMO1.EHE. ML:2.5 0.0008145 1.72 AML other m 2024-02-11T17:34:46.00
IV.MML1.HNN. ML:2.3 0.0005854999999999999 0.6 AML other m 2024-02-11T17:34:46.87
IV.MML1.EHN. ML:2.2 0.0005415 0.58 AML other m 2024-02-11T17:34:46.87
IV.CSP1.EHE. ML:2.9 0.001905 1.3 AML other m 2024-02-11T17:34:47.66
IV.CSP1.EHN. ML:2.8 0.0016699999999999998 1.6 AML other m 2024-02-11T17:34:47.89
IV.SMA1.EHN. ML:2.3 0.000503 0.48 AML other m 2024-02-11T17:34:47.55
IV.RM33.HNN. ML:2.3 0.000601 0.46 AML other m 2024-02-11T17:34:47.74
IV.RM33.EHN. ML:2.2 0.0005455000000000001 0.46 AML other m 2024-02-11T17:34:47.74
IV.SMA1.EHE. ML:2.4 0.0006535 0.44 AML other m 2024-02-11T17:34:47.59
IV.MMO1.EHN. ML:2.5 0.0008155 1.16 AML other m 2024-02-11T17:34:48.88
IV.ATCC.EHN. ML:2.5 0.0007875000000000001 0.24 AML other m 2024-02-11T17:34:48.56
IV.ATCC.HNN. ML:2.5 0.0007844999999999999 0.22 AML other m 2024-02-11T17:34:48.55
IV.RM33.HNE. ML:2.3 0.0005505 1.3 AML other m 2024-02-11T17:34:48.72
IV.RM33.EHE. ML:2.2 0.0004445 0.24 AML other m 2024-02-11T17:34:48.73
IV.GUMA.HNN. ML:2.6 0.0008665000000000001 1.34 AML other m 2024-02-11T17:34:48.87
IV.GUMA.HHN. ML:2.6 0.0009299999999999999 1.74 AML other m 2024-02-11T17:34:48.88
IV.FOSV.EHE. ML:2.1 0.00024349999999999998 0.68 AML other m 2024-02-11T17:34:50.03
IV.FOSV.HNE. ML:2.1 0.0002725 0.7 AML other m 2024-02-11T17:34:50.03
IV.ATCC.EHE. ML:2.4 0.0007235000000000001 0.88 AML other m 2024-02-11T17:34:50.15
IV.ATCC.HNE. ML:2.5 0.0008305 0.88 AML other m 2024-02-11T17:34:50.15
IV.CAMP.HHE. ML:2.0 0.000195 0.52 AML other m 2024-02-11T17:34:50.61
IV.GUMA.HHE. ML:2.8 0.001285 0.96 AML other m 2024-02-11T17:34:51.55
IV.GUMA.HNE. ML:2.7 0.0010394999999999998 0.98 AML other m 2024-02-11T17:34:51.57
IV.MURB.HHE. ML:2.7 0.0010609999999999999 1.58 AML other m 2024-02-11T17:34:51.92
IV.SNTG.HHN. ML:2.0 0.00022549999999999998 0.94 AML other m 2024-02-11T17:34:52.41
IV.MURB.HNN. ML:2.7 0.001053 0.32 AML other m 2024-02-11T17:34:52.78
IV.MURB.HHN. ML:2.8 0.0011335 0.26 AML other m 2024-02-11T17:34:52.78
IV.FOSV.HNN. ML:2.2 0.00029049999999999996 0.58 AML other m 2024-02-11T17:34:53.09
IV.ATFO.HHE. ML:2.3 0.000356 0.3 AML other m 2024-02-11T17:34:53.53
IV.FIAM.HHE. ML:2.2 0.00031800000000000003 0.76 AML other m 2024-02-11T17:34:53.61
IV.FIAM.HNE. ML:2.2 0.000344 0.48 AML other m 2024-02-11T17:34:53.62
IV.CING.HHN. ML:2.2 0.0002415 0.82 AML other m 2024-02-11T17:34:54.19
IV.SNTG.HHE. ML:2.0 0.00020150000000000002 1.44 AML other m 2024-02-11T17:34:55.78
IV.SSFR.HNE. ML:2.5 0.00043700000000000005 0.7 AML other m 2024-02-11T17:34:55.50
IV.ATFO.HHN. ML:2.2 0.000247 0.64 AML other m 2024-02-11T17:34:55.45
IV.MURB.HNE. ML:2.7 0.000992 0.28 AML other m 2024-02-11T17:34:56.16
IV.FOSV.EHN. ML:2.1 0.0002515 1.38 AML other m 2024-02-11T17:34:56.74
IV.FIAM.HNN. ML:2.2 0.000303 0.58 AML other m 2024-02-11T17:34:57.52
IV.FIAM.HHN. ML:2.1 0.000261 0.54 AML other m 2024-02-11T17:34:57.24
IV.CING.HHE. ML:2.1 0.0001855 0.3 AML other m 2024-02-11T17:34:58.96
IV.PIEI.HHN. ML:2.1 0.000134 0.46 AML other m 2024-02-11T17:34:59.33
IV.SSFR.HNN. ML:2.4 0.00035999999999999997 0.7 AML other m 2024-02-11T17:34:59.59
IV.CAMP.HHN. ML:1.8 0.0001525 0.6 AML other m 2024-02-11T17:34:59.91
IV.CAFI.HHE. ML:2.2 0.0001785 0.66 AML other m 2024-02-11T17:35:00.16
IV.TERO.HHE. ML:1.9 0.00012645 1.22 AML other m 2024-02-11T17:35:00.21
IV.TERO.HHN. ML:1.9 0.000128 0.62 AML other m 2024-02-11T17:35:00.52
IV.ARVD.HHE. ML:2.0 0.0001255 0.92 AML other m 2024-02-11T17:35:01.04
IV.CERT.HHN. ML:2.0 0.00011774999999999999 0.42 AML other m 2024-02-11T17:35:02.65
IV.NARO.HHE. ML:2.0 0.00010345 0.58 AML other m 2024-02-11T17:35:02.50
IV.PIEI.HHE. ML:2.2 0.000179 1 AML other m 2024-02-11T17:35:02.76
IV.VCEL.EHE. ML:2.4 0.00027 0.48 AML other m 2024-02-11T17:35:02.93
IV.CERT.HHE. ML:2.2 0.000186 1.36 AML other m 2024-02-11T17:35:03.13
IV.CAFI.HHN. ML:2.2 0.000164 0.7 AML other m 2024-02-11T17:35:03.90
IV.MPAG.EHE. ML:2.1 0.0001248 0.42 AML other m 2024-02-11T17:35:05.22
IV.NARO.HHN. ML:1.8 0.00006809999999999999 1.08 AML other m 2024-02-11T17:35:05.55
IV.ARVD.HHN. ML:2.0 0.00011499999999999999 0.48 AML other m 2024-02-11T17:35:06.95
IV.MPAG.EHN. ML:2.0 0.00011005 1 AML other m 2024-02-11T17:35:13.55
IV.VCEL.EHN. ML:2.4 0.00024349999999999998 0.42 AML other m 2024-02-11T17:35:15.38
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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