Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 23-04-2024 and time 10:50:12 (UTC) in region 2 km E Campello sul Clitunno (PG)

A magnitude ML 1.5 earthquake occured in region: 2 km E Campello sul Clitunno (PG), on

  • 23-04-2024 10:50:12 (UTC)
  • 23-04-2024 12:50:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8240, 12.8030 at 12 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
Campello sul Clitunno PG 2 2442 2442
Trevi PG 8 8469 10911
Vallo di Nera PG 8 364 11275
Cerreto di Spoleto PG 9 1075 12350
Sant'Anatolia di Narco PG 10 564 12914
Castel Ritaldi PG 11 3278 16192
Spoleto PG 11 38218 54410
Scheggino PG 13 461 54871
Sellano PG 13 1079 55950
Montefalco PG 15 5679 61629
Poggiodomo PG 16 117 61746
Foligno PG 17 57155 118901
Giano dell'Umbria PG 18 3846 122747

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km SE of Foligno (57155 inhabitants)
32 Km NE of Terni (111501 inhabitants)
46 Km SE of Perugia (166134 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
73 Km NE of Viterbo (67173 inhabitants)
76 Km W of Teramo (54892 inhabitants)
92 Km N of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 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 2024-04-23
10:50:12		 42.824 12.8033 12 2024-04-23
10:58:24		 Sala Sismica INGV-Roma 127000161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-23 10:50:12 ± 0.05
Latitude 42.8240 ± 0.0027
Longitude 12.8033 ± 0.0037
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 127000161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 320
Semi-minor axis of confidence ellipse (meter) 262
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 293
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.14749
Epicentral distance of station farthest from the epicenter (degree) 0.48384
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 127000161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-23 10:58:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2024-04-23T10:50:23.72 0.6 undecidable manual S 44 32.9448 93 -0.01 48
IV.CESX.HHZ. 2024-04-23T10:50:22.84 0.6 undecidable manual S 217 29.748 94 -0.02 49
IV.MURB.HHZ. 2024-04-23T10:50:22.49 0.6 negative manual P 335 53.7018 91 0.33 45
IV.SNTG.HHZ. 2024-04-23T10:50:21.28 0.6 undecidable manual P 13 49.1175 92 -0.17 45
IV.FOSV.EHZ. 2024-04-23T10:50:21.93 0.3 undecidable manual P 356 52.3032 92 -0.02 69
IV.FEMA.HNZ. 2024-04-23T10:50:21.88 0.6 undecidable manual S 52 25.2525 95 0.22 48
IV.ASSB.HHZ. 2024-04-23T10:50:21.90 0.6 undecidable manual S 334 26.9508 94 -0.22 46
IV.RM33.EHZ. 2024-04-23T10:50:21.33 1.0 undecidable manual P 136 48.4182 92 -0.02 24
IT.MTCL.HGZ. 2024-04-23T10:50:21.48 0.6 undecidable manual S 40 24.6531 95 -0.04 49
IV.ATCC.EHZ. 2024-04-23T10:50:20.45 0.6 undecidable manual P 342 42.2244 92 0.06 48
IV.CSP1.EHZ. 2024-04-23T10:50:20.68 1.0 positive manual P 48 44.1225 92 0 24
IV.CESI.HHZ. 2024-04-23T10:50:20.64 0.6 undecidable manual S 22 21.6672 97 -0.08 48
IV.NRCA.HHZ. 2024-04-23T10:50:20.87 0.6 undecidable manual S 87 25.3524 95 -0.82 39
IV.MML1.EHZ. 2024-04-23T10:50:19.21 1.0 undecidable manual P 23 34.9428 93 -0.05 24
IT.GNU.HGZ. 2024-04-23T10:50:19.91 0.6 undecidable manual S 263 19.0698 99 -0.13 48
IV.GAVE.EHZ. 2024-04-23T10:50:19.27 0.6 undecidable manual S 153 16.3725 104 -0.06 50
IV.FDMO.HHZ. 2024-04-23T10:50:18.87 0.3 undecidable manual P 44 32.9448 93 -0.09 71
IV.CESX.HHZ. 2024-04-23T10:50:18.40 0.6 positive manual P 217 29.748 94 -0.07 48
IV.ARRO.EHZ. 2024-04-23T10:50:18.14 0.6 undecidable manual P 186 27.3504 94 0.04 50
IV.LNSS.HHZ. 2024-04-23T10:50:18.73 1.0 undecidable manual P 142 31.2465 93 0.04 25
IV.NRCA.HHZ. 2024-04-23T10:50:17.85 0.3 negative manual P 87 25.3524 95 0.06 75
IV.FEMA.HNZ. 2024-04-23T10:50:17.92 0.1 undecidable manual P 52 25.2525 95 0.15 98
IV.ASSB.HHZ. 2024-04-23T10:50:17.91 0.1 positive manual P 334 26.9508 94 -0.13 94
IT.MTCL.HGZ. 2024-04-23T10:50:17.73 0.1 undecidable manual P 40 24.6531 95 0.04 99
IV.CESI.HHZ. 2024-04-23T10:50:17.31 0.1 positive manual P 22 21.6672 97 0.08 100
IV.GAVE.EHZ. 2024-04-23T10:50:16.55 0.3 undecidable manual P 153 16.3725 104 0.12 74
IT.GNU.HGZ. 2024-04-23T10:50:16.94 0.3 undecidable manual P 263 19.0698 99 0.1 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:2.0 0.0008279190999999999 0.28 AML other m 2024-04-23T10:50:19.69
IV.GAVE.HNE. ML:2.0 0.00090975425 0.19 AML other m 2024-04-23T10:50:19.69
IV.GAVE.EHN. ML:2.1 0.001045 0.38 AML other m 2024-04-23T10:50:19.76
IV.GAVE.HNN. ML:1.7 0.00040147014999999996 0.39 AML other m 2024-04-23T10:50:19.57
IV.CESI.HHN. ML:2.0 0.0006217512000000001 0.12 AML other m 2024-04-23T10:50:20.97
IV.CESI.HHE. ML:1.4 0.00017241275 0.08 AML other m 2024-04-23T10:50:20.98
IV.NRCA.HHE. ML:1.6 0.0002085 0.18 AML other m 2024-04-23T10:50:21.95
IV.NRCA.HHN. ML:1.4 0.0001493925 0.16 AML other m 2024-04-23T10:50:22.56
IV.ASSB.HHE. ML:1.4 0.00014450377 0.18 AML other m 2024-04-23T10:50:22.64
IV.ASSB.HHN. ML:1.3 0.00011191670000000001 0.14 AML other m 2024-04-23T10:50:22.82
IV.LNSS.HHE. ML:1.5 0.00013265844 0.24 AML other m 2024-04-23T10:50:24.38
IV.MML1.EHN. ML:1.2 0.000057791265 0.2 AML other m 2024-04-23T10:50:24.68
IV.LNSS.HHN. ML:1.4 0.00010058905 0.16 AML other m 2024-04-23T10:50:23.80
IV.MML1.EHE. ML:1.0 0.00004475233 0.16 AML other m 2024-04-23T10:50:25.62
IV.CSP1.EHN. ML:1.6 0.0001169945 0.16 AML other m 2024-04-23T10:50:28.68
IV.CSP1.EHE. ML:1.8 0.00020129295 0.32 AML other m 2024-04-23T10:50:27.73
IV.ATCC.EHE. ML:1.4 0.00007664553 0.18 AML other m 2024-04-23T10:50:27.51
IV.ATCC.EHN. ML:1.2 0.00005209363 0.22 AML other m 2024-04-23T10:50:28.26
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