Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 20-07-2024 and time 04:00:11 (Italy) in region 6 km N Spoleto (PG)

A magnitude ML 1.5 earthquake occured in region: 6 km N Spoleto (PG), on

  • 20-07-2024 02:00:11 (UTC)
  • 20-07-2024 04:00:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7850, 12.7230 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 6 38218 38218
Castel Ritaldi PG 6 3278 41496
Campello sul Clitunno PG 6 2442 43938
Trevi PG 11 8469 52407
Sant'Anatolia di Narco PG 11 564 52971
Vallo di Nera PG 12 364 53335
Scheggino PG 12 461 53796
Giano dell'Umbria PG 13 3846 57642
Montefalco PG 13 5679 63321
Massa Martana PG 16 3770 67091
Cerreto di Spoleto PG 16 1075 68166
Acquasparta TR 18 4778 72944
Bevagna PG 19 5081 78025
Ferentillo TR 19 1913 79938
Foligno PG 19 57155 137093
Poggiodomo PG 19 117 137210
Gualdo Cattaneo PG 19 6155 143365

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km S of Foligno (57155 inhabitants)
26 Km N of Terni (111501 inhabitants)
45 Km SE of Perugia (166134 inhabitants)
65 Km NE of Viterbo (67173 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
82 Km W of Teramo (54892 inhabitants)
87 Km N of Guidonia Montecelio (88673 inhabitants)
92 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 2024-07-20
02:00:11		 42.7852 12.7227 10 2024-07-20
02:07:10		 Sala Sismica INGV-Roma 130032361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-07-20 02:00:11 ± 0.03
Latitude 42.7852 ± 0.0027
Longitude 12.7227 ± 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 130032361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 360
Semi-minor axis of confidence ellipse (meter) 216
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 226
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 26
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52700
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 130032361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-07-20 02:07:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2024-07-20T02:00:37.80 3.0 undecidable manual S 0.33 0
IV.FRON.EHZ. 2024-07-20T02:00:36.74 3.0 undecidable manual S -0.82 0
IV.CING.HHZ. 2024-07-20T02:00:35.45 3.0 undecidable manual S -0.46 0
IV.ATMI.HHZ. 2024-07-20T02:00:34.58 3.0 undecidable manual S -0.03 0
IV.FIAM.HHZ. 2024-07-20T02:00:32.57 3.0 undecidable manual S -0.01 0
IV.ARVD.HHZ. 2024-07-20T02:00:26.10 3.0 positive manual P 0.14 0
IV.MML1.EHZ. 2024-07-20T02:00:25.26 0.3 undecidable manual S 29 41.625 50 0.17 70
IV.SSFR.HHZ. 2024-07-20T02:00:24.22 3.0 positive manual P -0.31 0
IV.ATMI.HHZ. 2024-07-20T02:00:24.53 3.0 undecidable manual P 0.18 0
IV.CING.HHZ. 2024-07-20T02:00:24.99 3.0 negative manual P -0.09 0
IV.TERO.HHZ. 2024-07-20T02:00:24.35 3.0 positive manual P -0.32 0
IV.ATFO.HHZ. 2024-07-20T02:00:23.38 3.0 negative manual P -0.04 0
IV.MF5.EHZ. 2024-07-20T02:00:23.27 3.0 positive manual P 0.22 0
IV.GUMA.HHZ. 2024-07-20T02:00:22.08 1.0 negative manual P 58 58.497 50 0.2 22
IV.NRCA.HHZ. 2024-07-20T02:00:22.41 0.1 undecidable manual S 80 32.3454 50 -0.18 94
IV.LNSS.HHZ. 2024-07-20T02:00:22.89 0.1 undecidable manual S 128 32.8449 50 0.15 95
IV.ASSB.HHZ. 2024-07-20T02:00:21.78 0.1 undecidable manual S 350 29.0487 50 0.06 97
IV.FIAM.HHZ. 2024-07-20T02:00:21.38 3.0 positive manual P -1.83 0
IV.MURB.HHZ. 2024-07-20T02:00:21.76 0.6 negative manual P 343 55.4001 50 0.37 43
IV.SMA1.EHZ. 2024-07-20T02:00:21.22 0.6 negative manual P 109 52.8027 50 0.23 45
IV.CESI.HHZ. 2024-07-20T02:00:21.52 0.3 undecidable manual S 31 28.5492 50 -0.06 73
IV.CSP1.EHZ. 2024-07-20T02:00:20.90 0.1 positive manual P 49 51.9036 50 0.05 94
IV.RM33.EHZ. 2024-07-20T02:00:20.62 0.6 undecidable manual P 127 50.5161 50 -0.02 47
IV.ARRO.EHZ. 2024-07-20T02:00:20.49 0.3 undecidable manual S 171 23.0547 114 0.37 69
IV.MMO1.EHZ. 2024-07-20T02:00:20.61 0.3 positive manual P 75 50.7159 50 -0.07 70
IV.ATCC.EHZ. 2024-07-20T02:00:19.81 0.3 undecidable manual P 351 44.9217 50 0.04 71
IV.CESX.HHZ. 2024-07-20T02:00:19.69 0.1 undecidable manual S 210 22.4553 115 -0.24 95
IV.MML1.EHZ. 2024-07-20T02:00:19.27 0.1 undecidable manual P 29 41.625 50 -0.01 96
IV.GAVE.EHZ. 2024-07-20T02:00:18.29 0.1 undecidable manual S 126 17.3715 121 -0.06 99
IV.FDMO.HHZ. 2024-07-20T02:00:18.99 0.3 undecidable manual P 47 40.7259 50 -0.14 70
IV.LNSS.HHZ. 2024-07-20T02:00:17.79 0.1 undecidable manual P 128 32.8449 50 -0.13 95
IV.CESI.HHZ. 2024-07-20T02:00:17.09 0.1 undecidable manual P 31 28.5492 50 -0.16 95
IV.ASSB.HHZ. 2024-07-20T02:00:17.35 0.1 undecidable manual P 350 29.0487 50 0.02 98
IV.NRCA.HHZ. 2024-07-20T02:00:17.69 0.1 undecidable manual P 80 32.3454 50 -0.15 95
IV.ARRO.EHZ. 2024-07-20T02:00:16.50 0.1 undecidable manual P 171 23.0547 114 0.09 98
IV.CESX.HHZ. 2024-07-20T02:00:16.16 0.1 undecidable manual P 210 22.4553 115 -0.14 97
IV.MOMA.HHZ. 2024-07-20T02:00:16.93 0.1 undecidable manual S 280 12.5763 129 -0.06 100
IV.GAVE.EHZ. 2024-07-20T02:00:15.48 0.1 undecidable manual P 126 17.3715 121 0.09 99
IV.MOMA.HHZ. 2024-07-20T02:00:14.73 0.1 undecidable manual P 280 12.5763 129 0.13 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MOMA.HNN. ML:1.7 0.0005589999999999999 0.28 AML other m 2024-07-20T02:00:17.43
IV.MOMA.HHE. ML:2.2 0.00181 0.22 AML other m 2024-07-20T02:00:17.42
IV.MOMA.HNE. ML:2.2 0.0017800000000000001 0.22 AML other m 2024-07-20T02:00:17.43
IV.MOMA.HHN. ML:2.0 0.0010499999999999997 0.22 AML other m 2024-07-20T02:00:17.63
IV.GAVE.EHE. ML:1.6 0.0003415 0.48 AML other m 2024-07-20T02:00:19.66
IV.CESX.HHE. ML:1.6 0.00025550000000000003 0.46 AML other m 2024-07-20T02:00:20.55
IV.ARRO.EHN. ML:1.2 0.0001121 0.64 AML other m 2024-07-20T02:00:20.96
IV.ARRO.EHE. ML:1.3 0.000117 0.22 AML other m 2024-07-20T02:00:21.22
IV.CESX.HHN. ML:1.5 0.0002205 0.42 AML other m 2024-07-20T02:00:21.57
IV.CESI.HHN. ML:1.7 0.0002565 0.94 AML other m 2024-07-20T02:00:22.67
IV.ASSB.HHN. ML:1.6 0.00022250000000000001 1.5 AML other m 2024-07-20T02:00:22.24
IV.GAVE.EHN. ML:1.6 0.000305 1.1 AML other m 2024-07-20T02:00:22.26
IV.ASSB.HHE. ML:1.8 0.00028849999999999997 0.42 AML other m 2024-07-20T02:00:22.21
IV.NRCA.HHN. ML:1.7 0.000236 0.12 AML other m 2024-07-20T02:00:23.13
IV.NRCA.HHE. ML:1.8 0.000311 0.12 AML other m 2024-07-20T02:00:23.40
IV.LNSS.HHN. ML:1.5 0.0001365 0.18 AML other m 2024-07-20T02:00:23.58
IV.CESI.HHE. ML:1.4 0.000123 1.44 AML other m 2024-07-20T02:00:23.00
IV.LNSS.HHE. ML:1.5 0.0001275 0.74 AML other m 2024-07-20T02:00:24.50
IV.FDMO.HHN. ML:1.4 0.00009015000000000001 1.86 AML other m 2024-07-20T02:00:26.97
IV.MML1.EHN. ML:1.3 0.00006759999999999999 0.64 AML other m 2024-07-20T02:00:26.46
IV.FDMO.HHE. ML:1.5 0.00010545 0.12 AML other m 2024-07-20T02:00:26.63
IV.MML1.EHE. ML:1.5 0.00011235000000000001 1.52 AML other m 2024-07-20T02:00:27.12
IV.ATCC.EHN. ML:1.5 0.0001002 0.46 AML other m 2024-07-20T02:00:28.12
IV.CSP1.EHE. ML:1.8 0.00016049999999999997 0.68 AML other m 2024-07-20T02:00:28.52
IV.ATCC.EHE. ML:1.6 0.00010800000000000001 0.6 AML other m 2024-07-20T02:00:28.52
IV.MMO1.EHN. ML:1.5 0.00008054999999999999 1 AML other m 2024-07-20T02:00:29.53
IV.MMO1.EHE. ML:1.4 0.00006695000000000001 1.36 AML other m 2024-07-20T02:00:29.77
IV.CSP1.EHN. ML:1.9 0.0002055 1.1 AML other m 2024-07-20T02:00:29.64
IV.RM33.EHE. ML:1.2 0.00004305 0.74 AML other m 2024-07-20T02:00:29.30
IV.GUMA.HHE. ML:1.6 0.00009070000000000001 1.44 AML other m 2024-07-20T02:00:30.91
IV.SMA1.EHE. ML:1.4 0.0000571 1.28 AML other m 2024-07-20T02:00:30.95
IV.RM33.EHN. ML:1.1 0.0000374 0.64 AML other m 2024-07-20T02:00:31.02
IV.MURB.HHE. ML:1.9 0.0001715 0.22 AML other m 2024-07-20T02:00:31.03
IV.SMA1.EHN. ML:1.3 0.00005085 0.52 AML other m 2024-07-20T02:00:31.69
IV.MURB.HHN. ML:1.9 0.00016450000000000001 0.22 AML other m 2024-07-20T02:00:31.76
IV.GUMA.HHN. ML:1.7 0.00009834999999999999 0.54 AML other m 2024-07-20T02:00:33.64
IV.ATFO.HHN. ML:1.3 0.000036400000000000004 0.62 AML other m 2024-07-20T02:00:34.86
IV.ATFO.HHE. ML:1.4 0.0000475 0.24 AML other m 2024-07-20T02:00:34.73
IV.SSFR.HHN. ML:1.6 0.00006385000000000001 0.3 AML other m 2024-07-20T02:00:35.43
IV.TERO.HHN. ML:1.1 0.000020900000000000003 0.96 AML other m 2024-07-20T02:00:35.14
IV.SSFR.HHE. ML:1.8 0.00009455 0.2 AML other m 2024-07-20T02:00:35.73
IV.CING.HHN. ML:1.4 0.000033600000000000004 1.28 AML other m 2024-07-20T02:00:36.22
IV.ATMI.HHE. ML:1.7 0.0000811 0.32 AML other m 2024-07-20T02:00:36.27
IV.CING.HHE. ML:1.2 0.000027400000000000002 1.22 AML other m 2024-07-20T02:00:36.84
IV.ATMI.HHN. ML:1.5 0.0000493 0.22 AML other m 2024-07-20T02:00:37.83
IV.TERO.HHE. ML:1.1 0.000019450000000000002 1.48 AML other m 2024-07-20T02:00:37.24
IV.FRON.EHE. ML:1.2 0.000020850000000000002 0.84 AML other m 2024-07-20T02:00:38.26
IV.ARVD.HHE. ML:1.0 0.00001735 0.6 AML other m 2024-07-20T02:00:38.67
IV.FRON.EHN. ML:1.2 0.000022 0.34 AML other m 2024-07-20T02:00:38.45
IV.ARVD.HHN. ML:1.0 0.000014000000000000001 0.82 AML other m 2024-07-20T02:00:48.54
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