Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 19-09-2024 and time 17:31:29 (Italy) in region 5 km NW Cerreto di Spoleto (PG)

A magnitude ML 1.1 earthquake occured in region: 5 km NW Cerreto di Spoleto (PG), on

  • 19-09-2024 15:31:29 (UTC)
  • 19-09-2024 17:31:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8580, 12.8830 at 11 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 5 1075 1075
Sellano PG 5 1079 2154
Campello sul Clitunno PG 10 2442 4596
Vallo di Nera PG 10 364 4960
Trevi PG 11 8469 13429
Preci PG 13 724 14153
Sant'Anatolia di Narco PG 14 564 14717
Scheggino PG 17 461 15178
Poggiodomo PG 17 117 15295
Castel Ritaldi PG 18 3278 18573
Spoleto PG 18 38218 56791
Monte Cavallo MC 18 145 56936
Foligno PG 18 57155 114091
Norcia PG 19 4957 119048
Visso MC 19 1107 120155
Cascia PG 19 3217 123372
Montefalco PG 19 5679 129051

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km SE of Foligno (57155 inhabitants)
38 Km NE of Terni (111501 inhabitants)
49 Km SE of Perugia (166134 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
71 Km W of Teramo (54892 inhabitants)
80 Km NE of Viterbo (67173 inhabitants)
96 Km N of Guidonia Montecelio (88673 inhabitants)
99 Km SW of Ancona (100861 inhabitants)
100 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 2024-09-19
15:31:29		 42.858 12.883 11 2024-09-19
15:44:06		 Sala Sismica INGV-Roma 131565001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-09-19 15:31:29 ± 0.04
Latitude 42.8580 ± 0.0018
Longitude 12.8830 ± 0.0049
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 131565001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 423
Semi-minor axis of confidence ellipse (meter) 110
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 105
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 22
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) 0.39930
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 131565001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-09-19 15:44:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VVLD.HHZ. 2024-09-19T15:31:51.57 3.0 negative manual P 0.24 0
IV.MF5.EHZ. 2024-09-19T15:31:46.37 3.0 undecidable manual S 0.06 0
IV.LNSS.HHZ. 2024-09-19T15:31:40.37 0.3 undecidable manual S 156 31.0467 50 -0.06 73
IV.MOMA.HHZ. 2024-09-19T15:31:39.53 0.6 undecidable manual S 257 26.1516 50 0.41 45
IV.MML1.EHZ. 2024-09-19T15:31:39.82 0.3 undecidable manual S 14 29.2485 50 -0.12 72
IV.FDMO.HHZ. 2024-09-19T15:31:38.99 0.6 undecidable manual S 40 25.8519 50 -0.05 49
IV.SNTG.HHZ. 2024-09-19T15:31:38.30 0.6 undecidable manual P 6 44.3223 50 0.4 44
IV.CSP1.EHZ. 2024-09-19T15:31:36.80 0.1 positive manual P 45 36.8298 50 0.06 96
IT.MTCL.HGZ. 2024-09-19T15:31:36.65 0.3 undecidable manual S 32 17.7711 121 -0.18 73
IV.FEMA.HNZ. 2024-09-19T15:31:36.96 0.6 undecidable manual S 50 17.7711 121 0.13 49
IV.CESX.HHN. 2024-09-19T15:31:36.87 0.6 undecidable manual P 221 36.741 50 0.14 47
IV.CESI.HHZ. 2024-09-19T15:31:36.37 0.6 undecidable manual S 6 16.3725 123 -0.05 50
IV.GAVE.EHZ. 2024-09-19T15:31:36.93 0.3 undecidable manual S 177 18.3705 120 -0.09 74
IV.MML1.EHZ. 2024-09-19T15:31:35.49 0.1 undecidable manual P 14 29.2485 50 -0.09 97
IV.FDMO.HHZ. 2024-09-19T15:31:35.01 0.6 positive manual P 40 25.8519 50 -0.04 49
IV.ARRO.EHZ. 2024-09-19T15:31:35.92 0.1 undecidable manual P 197 32.3454 50 -0.14 95
IV.LNSS.HHZ. 2024-09-19T15:31:35.76 0.3 undecidable manual P 156 31.0467 50 -0.1 72
IV.MC2.EHZ. 2024-09-19T15:31:35.18 0.1 undecidable manual P 76 25.5522 50 0.17 96
IV.ASSB.HHZ. 2024-09-19T15:31:34.92 0.6 undecidable manual P 318 27.4503 50 -0.37 46
IV.MOMA.HHZ. 2024-09-19T15:31:34.92 0.6 positive manual P 257 26.1516 50 -0.18 48
IV.CESI.HHZ. 2024-09-19T15:31:33.58 0.1 undecidable manual P 6 16.3725 123 0.04 100
IV.GAVE.EHZ. 2024-09-19T15:31:33.95 0.1 undecidable manual P 177 18.3705 120 0.06 99
IT.MTCL.HGZ. 2024-09-19T15:31:33.74 0.1 undecidable manual P 32 17.7711 121 -0.04 100
IV.FEMA.HNZ. 2024-09-19T15:31:33.94 0.1 undecidable manual P 50 17.7711 121 0.16 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.4 0.00022 0.6 AML other m 2024-09-19T15:31:36.65
IV.CESI.HHE. ML:1.3 0.0001895 0.34 AML other m 2024-09-19T15:31:36.77
IV.GAVE.EHE. ML:1.6 0.000298 0.26 AML other m 2024-09-19T15:31:37.14
IV.GAVE.EHN. ML:1.4 0.000203 0.52 AML other m 2024-09-19T15:31:37.10
IV.MOMA.HHN. ML:1.0 0.00005234999999999999 0.72 AML other m 2024-09-19T15:31:39.84
IV.MOMA.HHE. ML:0.9 0.0000471 1 AML other m 2024-09-19T15:31:40.11
IV.FDMO.HHE. ML:0.8 0.000035926825000000005 0.12 AML other m 2024-09-19T15:31:39.35
IV.FDMO.HHN. ML:0.8 0.000039686315 0.16 AML other m 2024-09-19T15:31:39.37
IV.MML1.EHE. ML:1.0 0.0000534532655 0.16 AML other m 2024-09-19T15:31:40.28
IV.MML1.EHN. ML:1.0 0.000042902705 0.16 AML other m 2024-09-19T15:31:40.12
IV.LNSS.HHE. ML:0.9 0.000038827054999999996 0.18 AML other m 2024-09-19T15:31:41.96
IV.LNSS.HHN. ML:1.0 0.00004547834 0.28 AML other m 2024-09-19T15:31:41.38
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