Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 22-03-2024 and time 20:57:52 (Italy) in region 4 km E Spoleto (PG)

A magnitude ML 1.7 earthquake occured in region: 4 km E Spoleto (PG), on

  • 22-03-2024 19:57:52 (UTC)
  • 22-03-2024 20:57:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7510, 12.7840 at 8 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 4 38218 38218
Sant'Anatolia di Narco PG 5 564 38782
Scheggino PG 6 461 39243
Vallo di Nera PG 7 364 39607
Campello sul Clitunno PG 8 2442 42049
Castel Ritaldi PG 12 3278 45327
Poggiodomo PG 13 117 45444
Cerreto di Spoleto PG 13 1075 46519
Ferentillo TR 14 1913 48432
Trevi PG 15 8469 56901
Montefranco TR 17 1276 58177
Monteleone di Spoleto PG 18 599 58776
Arrone TR 19 2763 61539
Polino TR 19 233 61772
Cascia PG 19 3217 64989
Giano dell'Umbria PG 19 3846 68835
Montefalco PG 19 5679 74514
Sellano PG 19 1079 75593

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km S of Foligno (57155 inhabitants)
24 Km NE of Terni (111501 inhabitants)
51 Km SE of Perugia (166134 inhabitants)
67 Km NE of Viterbo (67173 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
76 Km W of Teramo (54892 inhabitants)
84 Km N of Guidonia Montecelio (88673 inhabitants)
87 Km N of Tivoli (56533 inhabitants)
98 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 1.7 2024-03-22
19:57:52		 42.7507 12.7843 8 2024-03-22
20:09:54		 Sala Sismica INGV-Roma 126065331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-22 19:57:52 ± 0.06
Latitude 42.7507 ± 0.0027
Longitude 12.7843 ± 0.0049
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126065331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 332
Semi-minor axis of confidence ellipse (meter) 282
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 63
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.83097
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 28
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 52
Type of magnitude ML
Reference to an origin 126065331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-22 20:09:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CTI.HHZ. 2024-03-22T19:59:26.95 3.0 undecidable manual Sn 1.43 0
MN.TRI.HHZ. 2024-03-22T19:59:16.65 3.0 undecidable manual Sn -0.2 0
IV.GATE.HHZ. 2024-03-22T19:58:51.21 3.0 undecidable manual Sn -0.15 0
IT.MOG.HNZ. 2024-03-22T19:58:41.72 3.0 undecidable manual S 0.06 0
MN.TRI.HHZ. 2024-03-22T19:58:38.60 3.0 positive manual Pn -1.2 0
IV.PIEI.HHZ. 2024-03-22T19:58:21.76 3.0 undecidable manual S 347 89.3439 50 2.23 0
IV.CERT.HHZ. 2024-03-22T19:58:20.61 0.6 undecidable manual S 170 90.4428 50 0.81 35
IV.BRSN.HNZ. 2024-03-22T19:58:20.66 3.0 undecidable manual P 0.41 0
IV.CAFI.HHZ. 2024-03-22T19:58:20.59 0.3 undecidable manual S 314 92.241 50 0.29 63
IV.ARVD.HHZ. 2024-03-22T19:58:19.56 3.0 undecidable manual S 9 83.8494 50 1.5 0
IV.ATMI.HHZ. 2024-03-22T19:58:18.22 3.0 undecidable manual S 77.0673 1.97 0
IV.CING.HHZ. 2024-03-22T19:58:16.93 0.6 undecidable manual S 26 76.8675 50 0.73 37
IV.SSFR.HHZ. 2024-03-22T19:58:16.49 0.3 undecidable manual S 360 76.0683 50 0.52 61
IV.TERO.HHZ. 2024-03-22T19:58:14.12 0.6 undecidable manual S 102 68.2761 50 0.21 44
IV.ATFO.HHZ. 2024-03-22T19:58:14.83 0.3 undecidable manual S 346 70.4739 50 0.35 64
IV.LRP.EHZ. 2024-03-22T19:58:14.82 3.0 undecidable manual P -0.28 0
IV.GIGS.HHZ. 2024-03-22T19:58:14.85 0.6 undecidable manual S 117 72.372 50 -0.13 45
IV.MF5.EHZ. 2024-03-22T19:58:13.15 3.0 undecidable manual S 64 60.8946 50 1.23 0
IV.MURB.HHZ. 2024-03-22T19:58:12.66 0.6 undecidable manual S 340 60.5949 50 0.81 37
IV.FIAM.HHZ. 2024-03-22T19:58:11.78 0.3 undecidable manual S 153 60.0954 50 0.08 70
IV.GUMA.HHZ. 2024-03-22T19:58:11.80 3.0 undecidable manual S 0.49 0
IV.SMA1.EHZ. 2024-03-22T19:58:08.53 0.6 undecidable manual S 106 46.8198 50 0.35 45
IV.CAFI.HHZ. 2024-03-22T19:58:08.47 0.1 undecidable manual P 314 92.241 50 -0.08 87
IV.ATMI.HHZ. 2024-03-22T19:58:08.31 3.0 undecidable manual P 77.0673 2.11 0
IV.PIEI.HHZ. 2024-03-22T19:58:08.19 0.1 undecidable manual P 347 89.3439 50 0.09 88
IV.MMO1.EHZ. 2024-03-22T19:58:08.26 0.6 undecidable manual S 69 47.1195 50 0.01 48
IV.MML1.EHZ. 2024-03-22T19:58:07.04 0.6 undecidable manual S 21 43.0236 50 -0.12 47
IV.CERT.HHZ. 2024-03-22T19:58:07.54 0.1 undecidable manual P 170 90.4428 50 -0.72 74
IV.RM33.EHZ. 2024-03-22T19:58:07.01 0.6 undecidable manual S 127 44.2224 50 -0.46 44
IV.ARVD.HHZ. 2024-03-22T19:58:06.32 0.1 undecidable manual P 9 83.8494 50 -0.93 68
IV.CING.HHZ. 2024-03-22T19:58:06.21 0.6 positive manual P 26 76.8675 50 0.03 45
IV.SSFR.HHZ. 2024-03-22T19:58:06.25 0.6 undecidable manual P 360 76.0683 50 0.21 44
IV.SACS.HHZ. 2024-03-22T19:58:05.96 1.0 undecidable manual P 279 71.9724 50 0.54 20
IV.ATFO.HHZ. 2024-03-22T19:58:05.09 0.1 undecidable manual P 346 70.4739 50 -0.09 91
IV.FDMO.HHZ. 2024-03-22T19:58:05.90 0.6 undecidable manual S 38 40.1265 50 -0.49 44
IV.GIGS.HHZ. 2024-03-22T19:58:04.77 1.0 undecidable manual P 117 72.372 50 -0.7 19
IV.MF5.EHZ. 2024-03-22T19:58:04.15 0.1 undecidable manual P 64 60.8946 50 0.44 86
IV.TERO.HHZ. 2024-03-22T19:58:04.93 1.0 undecidable manual P 102 68.2761 50 0.08 23
IV.ASSB.HHZ. 2024-03-22T19:58:04.28 0.6 undecidable manual S 343 33.9438 103 -0.29 47
IV.FIAM.HHZ. 2024-03-22T19:58:03.94 0.6 negative manual P 153 60.0954 50 0.36 44
IV.CESI.HHZ. 2024-03-22T19:58:03.13 0.6 undecidable manual S 19 29.8479 105 -0.05 49
IV.MURB.HHZ. 2024-03-22T19:58:03.63 0.3 negative manual P 340 60.5949 50 -0.03 70
IV.NRCA.HHZ. 2024-03-22T19:58:02.89 0.6 undecidable manual S 71 28.3494 105 0.19 48
IV.MGAB.HHZ. 2024-03-22T19:58:02.99 0.1 undecidable manual P 288 57.5979 50 -0.2 91
IV.CAMP.HHZ. 2024-03-22T19:58:02.34 0.6 undecidable manual P 115 56.2992 50 -0.65 40
IV.LNSS.HHZ. 2024-03-22T19:58:02.23 0.6 undecidable manual S 128 26.5512 106 0.14 49
IV.MMO1.EHZ. 2024-03-22T19:58:01.38 0.1 undecidable manual P 69 47.1195 50 -0.2 93
IV.SMA1.EHZ. 2024-03-22T19:58:01.43 0.1 undecidable manual P 106 46.8198 50 -0.12 94
IV.RM33.EHZ. 2024-03-22T19:58:00.78 0.6 positive manual P 127 44.2224 50 -0.35 45
IV.FDMO.HHZ. 2024-03-22T19:58:00.20 0.6 positive manual P 38 40.1265 50 -0.31 46
IV.MML1.EHZ. 2024-03-22T19:58:00.54 1.0 undecidable manual P 21 43.0236 50 -0.42 22
IV.CESX.HHZ. 2024-03-22T19:58:00.59 0.6 undecidable manual S 226 22.5552 109 -0.17 49
IV.ASSB.HHZ. 2024-03-22T19:57:59.06 0.1 positive manual P 343 33.9438 103 -0.4 91
IV.MOMA.HHZ. 2024-03-22T19:57:59.79 0.6 undecidable manual S 289 18.3705 113 0.37 47
IV.ARRO.EHZ. 2024-03-22T19:57:59.73 0.6 undecidable manual S 185 19.0698 112 0.09 50
IV.LNSS.HHZ. 2024-03-22T19:57:58.02 0.1 undecidable manual P 128 26.5512 106 0 100
IV.NRCA.HHZ. 2024-03-22T19:57:58.45 0.1 positive manual P 71 28.3494 105 0.07 98
IV.CESI.HHZ. 2024-03-22T19:57:58.54 0.1 positive manual P 19 29.8479 105 -0.12 97
IV.CESX.HHZ. 2024-03-22T19:57:57.05 1.0 negative manual P 226 22.5552 109 -0.22 24
IV.GAVE.EHZ. 2024-03-22T19:57:57.56 0.6 undecidable manual S 126 11.0778 125 0.38 47
IV.MOMA.HHZ. 2024-03-22T19:57:56.58 0.6 undecidable manual P 289 18.3705 113 0.09 50
IV.ARRO.EHZ. 2024-03-22T19:57:56.75 0.3 positive manual P 185 19.0698 112 0.14 74
IV.GAVE.EHZ. 2024-03-22T19:57:55.54 0.1 positive manual P 126 11.0778 125 0.34 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.HNN. ML:1.6 0.000614 0.84 AML other m 2024-03-22T19:57:58.48
IV.GAVE.EHN. ML:2.1 0.001815 0.84 AML other m 2024-03-22T19:57:58.06
IV.GAVE.EHE. ML:2.3 0.0028250000000000003 0.16 AML other m 2024-03-22T19:57:58.46
IV.GAVE.HNE. ML:2.3 0.0027350000000000005 0.16 AML other m 2024-03-22T19:57:58.54
IV.MOMA.HNE. ML:2.0 0.0009585 0.78 AML other m 2024-03-22T19:58:00.13
IV.MOMA.HHN. ML:1.8 0.0006245000000000001 0.78 AML other m 2024-03-22T19:58:00.13
IV.MOMA.HHE. ML:1.9 0.000719 0.78 AML other m 2024-03-22T19:58:00.13
IV.ARRO.EHE. ML:1.6 0.0003435 0.18 AML other m 2024-03-22T19:58:00.79
IV.MOMA.HNN. ML:1.7 0.0004555 0.44 AML other m 2024-03-22T19:58:01.21
IV.CESX.HHE. ML:1.6 0.000299 1.38 AML other m 2024-03-22T19:58:01.92
IV.ARRO.EHN. ML:1.7 0.0004215 1.78 AML other m 2024-03-22T19:58:02.92
IV.CESX.HHN. ML:1.8 0.00041749999999999996 0.64 AML other m 2024-03-22T19:58:02.74
IV.LNSS.HHN. ML:2.2 0.0008534999999999999 1.02 AML other m 2024-03-22T19:58:02.43
IV.LNSS.HHE. ML:2.1 0.000733 0.4 AML other m 2024-03-22T19:58:03.63
IV.NRCA.HHE. ML:1.8 0.0003275 0.74 AML other m 2024-03-22T19:58:03.20
IV.CESI.HHE. ML:1.7 0.00023099999999999998 0.72 AML other m 2024-03-22T19:58:03.50
IV.CESI.HHN. ML:1.8 0.00033150000000000003 0.52 AML other m 2024-03-22T19:58:04.79
IV.NRCA.HHN. ML:1.8 0.0003525 0.12 AML other m 2024-03-22T19:58:04.62
IV.ASSB.HHN. ML:1.7 0.000235 0.2 AML other m 2024-03-22T19:58:04.73
IV.ASSB.HHE. ML:1.9 0.0003215 0.32 AML other m 2024-03-22T19:58:04.99
IV.FDMO.HHN. ML:1.6 0.000147 0.72 AML other m 2024-03-22T19:58:06.94
IV.FDMO.HHE. ML:1.8 0.000225 1.54 AML other m 2024-03-22T19:58:07.77
IV.MML1.EHE. ML:1.7 0.0001485 0.42 AML other m 2024-03-22T19:58:08.05
IV.RM33.EHE. ML:1.7 0.0001565 0.28 AML other m 2024-03-22T19:58:08.99
IV.MMO1.EHE. ML:1.7 0.0001565 0.78 AML other m 2024-03-22T19:58:08.94
IV.MML1.EHN. ML:1.6 0.000127 0.18 AML other m 2024-03-22T19:58:09.08
IV.SMA1.EHE. ML:1.9 0.000243 0.36 AML other m 2024-03-22T19:58:09.89
IV.RM33.EHN. ML:1.8 0.000195 0.42 AML other m 2024-03-22T19:58:10.59
IV.MMO1.EHN. ML:1.6 0.0001235 1.72 AML other m 2024-03-22T19:58:11.98
IV.SMA1.EHN. ML:1.8 0.00017199999999999998 0.58 AML other m 2024-03-22T19:58:11.49
IV.GUMA.HHN. ML:1.9 0.0001805 1.34 AML other m 2024-03-22T19:58:11.98
IV.GUMA.HHE. ML:2.0 0.0002135 0.22 AML other m 2024-03-22T19:58:13.71
IV.MURB.HHN. ML:2.0 0.00022950000000000002 0.22 AML other m 2024-03-22T19:58:14.12
IV.MGAB.HHE. ML:1.6 0.0000831 0.44 AML other m 2024-03-22T19:58:14.30
IV.MURB.HHE. ML:2.1 0.0002615 0.22 AML other m 2024-03-22T19:58:14.99
IV.ATFO.HHE. ML:1.5 0.00005135 0.82 AML other m 2024-03-22T19:58:16.28
IV.MGAB.HHN. ML:1.6 0.00008579999999999998 0.32 AML other m 2024-03-22T19:58:16.95
IV.CING.HHN. ML:1.6 0.0000567 1.44 AML other m 2024-03-22T19:58:17.27
IV.CING.HHE. ML:1.4 0.000033549999999999996 0.22 AML other m 2024-03-22T19:58:18.31
IV.SACS.HHE. ML:1.2 0.0000235 0.46 AML other m 2024-03-22T19:58:19.26
IV.SSFR.HHE. ML:1.8 0.00008385 0.16 AML other m 2024-03-22T19:58:19.46
IV.ATFO.HHN. ML:1.4 0.00004285 0.96 AML other m 2024-03-22T19:58:19.86
IV.SACS.HHN. ML:1.3 0.0000335 0.44 AML other m 2024-03-22T19:58:20.25
IV.ATMI.HHN. ML:1.9 0.0001255 0.42 AML other m 2024-03-22T19:58:20.47
IV.ATMI.HHE. ML:2.2 0.00020750000000000003 0.34 AML other m 2024-03-22T19:58:21.19
IV.PIEI.HHN. ML:1.4 0.00002995 0.42 AML other m 2024-03-22T19:58:23.49
IV.CAFI.HHE. ML:1.5 0.00003295 0.64 AML other m 2024-03-22T19:58:23.76
IV.CAFI.HHN. ML:1.4 0.00002785 0.56 AML other m 2024-03-22T19:58:24.64
IV.CERT.HHE. ML:1.5 0.00003465 0.92 AML other m 2024-03-22T19:58:24.79
IV.PIEI.HHE. ML:1.4 0.000030050000000000002 1.02 AML other m 2024-03-22T19:58:24.41
IV.CERT.HHN. ML:1.4 0.00002835 1.56 AML other m 2024-03-22T19:58:24.15
IV.SSFR.HHN. ML:1.6 0.0000588 0.24 AML other m 2024-03-22T19:58:25.85
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