Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 17-09-2024 and time 14:56:07 (Italy) in region 1 km W Cerreto di Spoleto (PG)

A magnitude ML 1.1 earthquake occured in region: 1 km W Cerreto di Spoleto (PG), on

  • 17-09-2024 12:56:07 (UTC)
  • 17-09-2024 14:56:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8240, 12.9040 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
Cerreto di Spoleto PG 1 1075 1075
Vallo di Nera PG 7 364 1439
Sellano PG 8 1079 2518
Campello sul Clitunno PG 10 2442 4960
Sant'Anatolia di Narco PG 11 564 5524
Poggiodomo PG 13 117 5641
Preci PG 13 724 6365
Scheggino PG 14 461 6826
Trevi PG 14 8469 15295
Cascia PG 15 3217 18512
Norcia PG 16 4957 23469
Spoleto PG 17 38218 61687
Castel Ritaldi PG 19 3278 64965
Visso MC 19 1107 66072
Monteleone di Spoleto PG 20 599 66671

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SE of Foligno (57155 inhabitants)
36 Km NE of Terni (111501 inhabitants)
53 Km SE of Perugia (166134 inhabitants)
66 Km NW of L'Aquila (69753 inhabitants)
68 Km W of Teramo (54892 inhabitants)
79 Km NE of Viterbo (67173 inhabitants)
93 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 1.1 2024-09-17
12:56:07		 42.8235 12.9043 11 2024-09-17
13:05:53		 Sala Sismica INGV-Roma 131516571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-09-17 12:56:07 ± 0.07
Latitude 42.8235 ± 0.0036
Longitude 12.9043 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 131516571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 510
Semi-minor axis of confidence ellipse (meter) 264
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 109
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34624
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 131516571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-09-17 13:05:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SL.KOGS.BHZ. 2024-09-17T12:57:51.52 3.0 undecidable manual Sg 4.52 0
IX.COL3.HHZ.02 2024-09-17T12:57:47.60 3.0 undecidable manual Sg 19.950001 0
CR.STON.BHZ. 2024-09-17T12:57:39.46 3.0 undecidable manual Sn -4.21 0
GU.GBOS.HHZ. 2024-09-17T12:57:32.81 3.0 undecidable manual Sg 21.780001 0
GU.RRL.HHZ. 2024-09-17T12:57:29.36 3.0 undecidable manual Sn -3.53 0
IV.PIPA.HHZ. 2024-09-17T12:57:27.27 3.0 undecidable manual Pg 22.030001 0
GU.CIRO.HHZ. 2024-09-17T12:57:22.59 3.0 undecidable manual Sn -7.11 0
IV.ECTS.HHZ. 2024-09-17T12:57:14.15 3.0 undecidable manual Pn 1.04 0
3Q.T1813.EHZ.00 2024-09-17T12:57:11.78 3.0 positive manual Pn 5.32 0
IT.VALS.HNZ. 2024-09-17T12:57:11.92 3.0 undecidable manual Sg -1.33 0
IV.VITU.HHZ. 2024-09-17T12:57:09.45 3.0 undecidable manual Sn -1.45 0
IV.LPEL.HHZ. 2024-09-17T12:57:07.79 3.0 undecidable manual Sg 14.88 0
IV.TDS.HHZ. 2024-09-17T12:57:06.63 3.0 undecidable manual Pn 6.5 0
IV.NOCI.HHZ. 2024-09-17T12:57:00.36 3.0 undecidable manual Pn 4.39 0
MN.SENA.HHZ. 2024-09-17T12:56:58.82 3.0 undecidable manual Pg 21.23 0
CR.STON.BHZ. 2024-09-17T12:56:52.24 3.0 undecidable manual Pn 0.04 0
IV.MSAG.HHZ. 2024-09-17T12:56:46.62 3.0 negative manual Pg 6.78 0
GU.CIRO.HHZ. 2024-09-17T12:56:42.22 3.0 undecidable manual Pn -2.13 0
IV.MMO1.EHZ. 2024-09-17T12:56:34.35 3.0 undecidable manual Sn 0.19 0
IV.VTRZ.HNZ. 2024-09-17T12:56:32.79 3.0 undecidable manual Pn -3.57 0
IV.ARRO.EHZ. 2024-09-17T12:56:32.99 3.0 undecidable manual Sn 2.21 0
IV.ARVD.HHZ. 2024-09-17T12:56:26.73 3.0 undecidable manual Sn -2.59 0
IV.CSP1.EHZ. 2024-09-17T12:56:20.14 0.6 undecidable manual S 39 38.4282 50 0.2 46
IV.LRP.EHZ. 2024-09-17T12:56:18.31 3.0 negative manual Pn -4.62 0
IV.MML1.EHZ. 2024-09-17T12:56:18.46 0.6 undecidable manual S 10 32.6451 50 0.08 48
IV.MOMA.HHZ. 2024-09-17T12:56:16.83 0.6 undecidable manual S 266 27.2505 50 -0.13 48
IV.LNSS.HHZ. 2024-09-17T12:56:16.72 0.6 undecidable manual S 156 26.8509 50 -0.12 48
IV.FDMO.HHZ. 2024-09-17T12:56:16.98 0.6 undecidable manual S 32 27.9498 50 -0.14 48
IV.CSP1.EHZ. 2024-09-17T12:56:15.06 0.1 undecidable manual P 39 38.4282 50 0.55 85
IV.NRCA.HHZ. 2024-09-17T12:56:14.01 0.6 undecidable manual S 86 17.0718 122 -0.05 50
IV.CESI.HHZ. 2024-09-17T12:56:14.84 0.6 undecidable manual S 0 20.1687 118 -0.13 49
IV.MML1.EHZ. 2024-09-17T12:56:13.40 0.1 undecidable manual P 10 32.6451 50 -0.21 94
IV.GAVE.EHZ. 2024-09-17T12:56:13.37 0.6 undecidable manual S 183 14.5743 126 0.04 50
IV.LNSS.HHZ. 2024-09-17T12:56:12.51 0.1 undecidable manual P 156 26.8509 50 -0.21 95
IV.FDMO.HHZ. 2024-09-17T12:56:12.70 0.1 undecidable manual P 32 27.9498 50 -0.18 95
IV.MOMA.HHZ. 2024-09-17T12:56:12.97 0.1 undecidable manual P 266 27.2505 50 0.18 95
IV.NRCA.HHZ. 2024-09-17T12:56:11.13 0.1 undecidable manual P 86 17.0718 122 0.02 100
IV.CESI.HHZ. 2024-09-17T12:56:11.55 0.1 undecidable manual P 0 20.1687 118 -0.09 98
IV.ARRO.EHZ. 2024-09-17T12:56:10.52 3.0 undecidable manual P 0
IV.GAVE.EHZ. 2024-09-17T12:56:10.81 0.1 undecidable manual P 183 14.5743 126 0.12 98
IV.RIBO.EHZ.01 2024-09-17T12:56:08.78 3.0 negative manual P 0.67 0
IV.MURB.HHZ. 2024-09-17T12:56:06.19 3.0 undecidable manual P -1.88 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.3 0.0001795 0.28 AML other m 2024-09-17T12:56:13.66
IV.GAVE.EHN. ML:1.2 0.00014000000000000001 0.8 AML other m 2024-09-17T12:56:14.63
IV.NRCA.HHN. ML:0.9 0.00006920000000000002 0.14 AML other m 2024-09-17T12:56:14.37
IV.NRCA.HHE. ML:1.1 0.0001029 0.78 AML other m 2024-09-17T12:56:15.13
IV.FDMO.HHN. ML:1.1 0.0000586 0.84 AML other m 2024-09-17T12:56:17.32
IV.FDMO.HHE. ML:1.1 0.0000616 0.6 AML other m 2024-09-17T12:56:17.66
IV.MOMA.HHN. ML:0.7 0.00002595 0.7 AML other m 2024-09-17T12:56:18.02
IV.MOMA.HHE. ML:0.8 0.000027950000000000002 0.72 AML other m 2024-09-17T12:56:18.09
IV.ARVD.HHE. ML:1.7 0.0000809 0.42 AML other m 2024-09-17T12:56:39.93
IV.ARVD.HHN. ML:1.8 0.00009329999999999999 0.42 AML other m 2024-09-17T12:56:42.52
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