Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 11-07-2024 and time 01:38:24 (UTC) in region 2 km E Cerreto di Spoleto (PG)

A magnitude ML 1.0 earthquake occured in region: 2 km E Cerreto di Spoleto (PG), on

  • 11-07-2024 01:38:24 (UTC)
  • 11-07-2024 03:38:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8220, 12.9430 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 2 1075 1075
Sellano PG 8 1079 2154
Vallo di Nera PG 9 364 2518
Preci PG 10 724 3242
Poggiodomo PG 12 117 3359
Norcia PG 13 4957 8316
Cascia PG 13 3217 11533
Sant'Anatolia di Narco PG 13 564 12097
Campello sul Clitunno PG 14 2442 14539
Scheggino PG 15 461 15000
Visso MC 17 1107 16107
Trevi PG 17 8469 24576
Monteleone di Spoleto PG 19 599 25175
Castelsantangelo sul Nera MC 19 281 25456
Spoleto PG 19 38218 63674
Monte Cavallo MC 20 145 63819

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km SE of Foligno (57155 inhabitants)
38 Km NE of Terni (111501 inhabitants)
55 Km SE of Perugia (166134 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
65 Km W of Teramo (54892 inhabitants)
82 Km NE of Viterbo (67173 inhabitants)
93 Km N of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
100 Km SW of Ancona (100861 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 1.0 2024-07-11
01:38:24		 42.8222 12.943 11 2024-07-11
01:43:31		 Sala Sismica INGV-Roma 129705971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-07-11 01:38:24 ± 0.03
Latitude 42.8222 ± 0.0009
Longitude 12.9430 ± 0.0025
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 129705971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 212
Semi-minor axis of confidence ellipse (meter) 118
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) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37142
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 129705971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-07-11 01:43:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2024-07-11T01:38:36.36 3.0 undecidable manual P -0.14 0
IV.MURB.HHZ. 2024-07-11T01:38:35.61 3.0 undecidable manual P 0.02 0
IV.TERO.HHZ. 2024-07-11T01:38:35.43 3.0 negative manual P -0.03 0
IV.FDMO.HHZ. 2024-07-11T01:38:34.37 0.3 undecidable manual S 26 26.5512 50 -0.01 74
IV.LNSS.HHZ. 2024-07-11T01:38:34.12 0.3 undecidable manual S 162 25.5522 50 -0.01 74
IV.SNTG.HHZ. 2024-07-11T01:38:33.79 3.0 undecidable manual P 0.06 0
IV.ATCC.EHZ. 2024-07-11T01:38:33.57 3.0 positive manual P 0.01 0
IV.CSP1.EHZ. 2024-07-11T01:38:32.02 0.1 undecidable manual P 35 36.741 50 0.11 95
IV.CESI.HHZ. 2024-07-11T01:38:32.76 0.3 undecidable manual S 351 20.5683 50 -0.02 74
IV.RM33.EHZ. 2024-07-11T01:38:32.62 0.1 undecidable manual P 147 41.2254 50 0.02 96
IV.MML1.EHZ. 2024-07-11T01:38:31.27 3.0 positive manual P 0.04 0
IV.GAVE.EHZ. 2024-07-11T01:38:31.18 0.3 undecidable manual S 195 14.9739 126 -0.06 74
IV.MMO1.EHZ. 2024-07-11T01:38:31.25 0.1 undecidable manual P 75 32.3454 50 0.01 97
IV.ASSB.HHZ. 2024-07-11T01:38:31.31 0.1 undecidable manual P 317 33.6441 50 -0.13 95
IV.ARRO.EHZ. 2024-07-11T01:38:31.02 0.1 undecidable manual P 208 30.5472 50 0.05 97
IV.NRCA.HHZ. 2024-07-11T01:38:30.89 0.3 undecidable manual S 85 13.9749 128 -0.09 74
IV.LNSS.HHZ. 2024-07-11T01:38:30.10 0.1 undecidable manual P 162 25.5522 50 -0.09 97
IV.FDMO.HHZ. 2024-07-11T01:38:30.32 0.1 undecidable manual P 26 26.5512 50 -0.02 98
IV.CESI.HHZ. 2024-07-11T01:38:29.47 0.1 undecidable manual P 351 20.5683 50 0.05 99
IV.NRCA.HHZ. 2024-07-11T01:38:28.41 0.1 undecidable manual P 85 13.9749 128 0.04 100
IV.GAVE.EHZ. 2024-07-11T01:38:28.63 0.1 positive manual P 195 14.9739 126 0.1 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.3 0.0001995 0.92 AML other m 2024-07-11T01:38:31.00
IV.GAVE.EHE. ML:1.5 0.00027850000000000005 0.1 AML other m 2024-07-11T01:38:31.61
IV.GAVE.EHN. ML:1.5 0.00027400000000000005 0.2 AML other m 2024-07-11T01:38:31.61
IV.NRCA.HHN. ML:1.2 0.00015500000000000003 1.16 AML other m 2024-07-11T01:38:31.25
IV.CESI.HHN. ML:1.1 0.00009095 1.42 AML other m 2024-07-11T01:38:32.93
IV.LNSS.HHE. ML:1.0 0.00006175 0.2 AML other m 2024-07-11T01:38:34.67
IV.FDMO.HHE. ML:1.3 0.000112 0.34 AML other m 2024-07-11T01:38:34.50
IV.FDMO.HHN. ML:1.1 0.0000759 0.16 AML other m 2024-07-11T01:38:34.70
IV.LNSS.HHN. ML:1.0 0.000055599999999999996 0.86 AML other m 2024-07-11T01:38:34.71
IV.CESI.HHE. ML:0.8 0.00004615 1.06 AML other m 2024-07-11T01:38:34.35
IV.ARRO.EHN. ML:0.7 0.0000242 0.4 AML other m 2024-07-11T01:38:35.88
IV.ARRO.EHE. ML:0.9 0.00003645 0.14 AML other m 2024-07-11T01:38:35.94
IV.ASSB.HHN. ML:1.1 0.00005275000000000001 0.44 AML other m 2024-07-11T01:38:36.56
IV.ASSB.HHE. ML:1.0 0.00003955 0.5 AML other m 2024-07-11T01:38:36.58
IV.MML1.EHE. ML:1.0 0.0000466 0.16 AML other m 2024-07-11T01:38:36.54
IV.MML1.EHN. ML:0.8 0.0000297 0.4 AML other m 2024-07-11T01:38:36.64
IV.RM33.EHE. ML:0.8 0.00001855 0.48 AML other m 2024-07-11T01:38:39.65
IV.SNTG.HHE. ML:0.6 0.00001055 0.28 AML other m 2024-07-11T01:38:41.64
IV.RM33.EHN. ML:0.7 0.00001565 0.46 AML other m 2024-07-11T01:38:41.59
IV.SNTG.HHN. ML:0.7 0.0000147 1.42 AML other m 2024-07-11T01:38:41.06
IV.MURB.HHE. ML:1.2 0.00003335 1.08 AML other m 2024-07-11T01:38:46.95
IV.MURB.HHN. ML:1.2 0.00002835 0.26 AML other m 2024-07-11T01:38:50.65
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