Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 30-03-2024 and time 12:16:31 (Italy) in region 3 km S Cerreto di Spoleto (PG)

A magnitude ML 1.5 earthquake occured in region: 3 km S Cerreto di Spoleto (PG), on

  • 30-03-2024 11:16:31 (UTC)
  • 30-03-2024 12:16:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7910, 12.9130 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 3 1075 1075
Vallo di Nera PG 5 364 1439
Poggiodomo PG 9 117 1556
Sant'Anatolia di Narco PG 9 564 2120
Scheggino PG 11 461 2581
Sellano PG 11 1079 3660
Cascia PG 12 3217 6877
Campello sul Clitunno PG 12 2442 9319
Preci PG 14 724 10043
Norcia PG 15 4957 15000
Spoleto PG 16 38218 53218
Monteleone di Spoleto PG 16 599 53817
Trevi PG 17 8469 62286
Castel Ritaldi PG 20 3278 65564

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SE of Foligno (57155 inhabitants)
34 Km NE of Terni (111501 inhabitants)
55 Km SE of Perugia (166134 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
66 Km W of Teramo (54892 inhabitants)
78 Km NE of Viterbo (67173 inhabitants)
89 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 2024-03-30
11:16:31		 42.7912 12.9133 11 2024-03-30
11:22:40		 Sala Sismica INGV-Roma 126308191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-30 11:16:31 ± 0.07
Latitude 42.7912 ± 0.0045
Longitude 12.9133 ± 0.0074
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 126308191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 612
Semi-minor axis of confidence ellipse (meter) 288
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 121
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
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 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 0.36872
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 126308191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-30 11:22:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2024-03-30T11:16:45.23 0.6 undecidable manual S 35 40.9257 50 0.39 44
IV.ASSB.HHZ. 2024-03-30T11:16:43.19 0.6 undecidable manual S 324 34.743 50 0 48
IV.MML1.EHZ. 2024-03-30T11:16:43.87 0.6 undecidable manual S 8 36.0417 50 0.32 45
IV.CESX.HHN. 2024-03-30T11:16:43.17 0.6 undecidable manual S 233 33.4443 50 0.32 45
IV.FDMO.HHZ. 2024-03-30T11:16:42.13 0.6 undecidable manual S 27 30.6471 50 0.02 49
IV.MOMA.HHE. 2024-03-30T11:16:42.20 0.6 undecidable manual S 273 27.9498 50 0.81 39
IV.ARRO.EHZ. 2024-03-30T11:16:41.06 0.6 undecidable manual S 207 26.4513 50 0.08 48
IT.MTCL.HGZ. 2024-03-30T11:16:40.11 0.6 undecidable manual S 17 23.5542 50 -0.1 48
IV.MC2.EHZ. 2024-03-30T11:16:40.83 0.6 undecidable manual S 59 26.0517 50 -0.06 49
IV.CESI.HHZ. 2024-03-30T11:16:40.39 0.6 undecidable manual S 358 23.754 50 0.13 48
IV.FEMA.HNZ. 2024-03-30T11:16:39.38 0.6 undecidable manual S 30 21.9669 50 -0.41 45
IV.CSP1.EHZ. 2024-03-30T11:16:39.12 0.6 positive manual P 35 40.9257 50 -0.04 47
IV.LNSS.HHZ. 2024-03-30T11:16:39.93 0.6 undecidable manual S 154 23.2545 50 -0.22 47
IV.NRCA.HHZ. 2024-03-30T11:16:38.05 0.6 undecidable manual S 74 16.9719 122 -0.34 46
IV.MML1.EHZ. 2024-03-30T11:16:38.70 0.6 positive manual P 8 36.0417 50 0.28 46
IV.ASSB.HHZ. 2024-03-30T11:16:37.84 0.1 undecidable manual P 324 34.743 50 -0.37 90
IV.FDMO.HHZ. 2024-03-30T11:16:37.34 0.1 undecidable manual P 27 30.6471 50 -0.25 93
IV.CESX.HHN. 2024-03-30T11:16:37.77 0.1 undecidable manual P 233 33.4443 50 -0.25 92
IV.GAVE.EHZ. 2024-03-30T11:16:36.95 0.6 undecidable manual S 188 11.0778 134 0.18 49
IV.CESI.HHZ. 2024-03-30T11:16:36.62 0.6 negative manual P 358 23.754 50 0.11 48
IV.ARRO.EHZ. 2024-03-30T11:16:36.87 0.1 undecidable manual P 207 26.4513 50 -0.06 97
IV.FEMA.HNZ. 2024-03-30T11:16:36.97 0.1 undecidable manual P 30 21.9669 50 0.72 81
IT.MTCL.HGZ. 2024-03-30T11:16:36.37 0.1 undecidable manual P 17 23.5542 50 -0.12 96
IV.MC2.EHZ. 2024-03-30T11:16:36.99 0.1 undecidable manual P 59 26.0517 50 0.11 96
IV.MOMA.HHE. 2024-03-30T11:16:36.48 0.1 undecidable manual P 273 27.9498 50 -0.69 82
IV.LNSS.HHZ. 2024-03-30T11:16:36.47 0.1 negative manual P 154 23.2545 50 0.02 98
ZO.PDN12.EHZ. 2024-03-30T11:16:35.44 0.6 undecidable manual S 5 3.2967 163 0.13 50
IV.NRCA.HHZ. 2024-03-30T11:16:35.39 1.0 undecidable manual P 74 16.9719 122 -0.05 25
IV.GAVE.EHZ. 2024-03-30T11:16:34.79 0.1 positive manual P 188 11.0778 134 0.29 95
ZO.PDN12.EHZ. 2024-03-30T11:16:33.56 0.1 undecidable manual P 5 3.2967 163 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.5 0.00037050000000000006 0.5 AML other m 2024-03-30T11:16:37.74
IV.GAVE.EHN. ML:1.3 0.0002195 1.38 AML other m 2024-03-30T11:16:37.84
IV.NRCA.HHN. ML:1.3 0.00016900000000000002 1.22 AML other m 2024-03-30T11:16:38.73
IV.NRCA.HHE. ML:1.5 0.00026250000000000004 0.52 AML other m 2024-03-30T11:16:38.39
IV.LNSS.HHE. ML:1.6 0.00022199999999999998 0.1 AML other m 2024-03-30T11:16:40.28
IV.LNSS.HHN. ML:1.4 0.000163 0.12 AML other m 2024-03-30T11:16:40.33
IV.CESI.HHN. ML:1.5 0.00021 0.4 AML other m 2024-03-30T11:16:40.41
IV.CESI.HHE. ML:1.3 0.0001155 0.44 AML other m 2024-03-30T11:16:41.70
IV.FDMO.HHN. ML:1.5 0.00014950000000000003 0.14 AML other m 2024-03-30T11:16:42.16
IV.FDMO.HHE. ML:1.5 0.00014850000000000003 0.36 AML other m 2024-03-30T11:16:42.13
IV.MML1.EHE. ML:1.5 0.00013366187499999998 0.16 AML other m 2024-03-30T11:16:44.23
IV.MML1.EHN. ML:1.2 0.0000582335 0.1 AML other m 2024-03-30T11:16:44.41
IV.CSP1.EHE. ML:1.8 0.00021207120000000002 1.96 AML other m 2024-03-30T11:16:47.59
IV.CSP1.EHN. ML:1.5 0.00010244832000000001 0.94 AML other m 2024-03-30T11:16:42.44
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