Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 10-01-2024 and time 03:35:10 (Italy) in region 4 km NE Spoleto (PG)

A magnitude ML 1.1 earthquake occured in region: 4 km NE Spoleto (PG), on

  • 10-01-2024 02:35:10 (UTC)
  • 10-01-2024 03:35:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7680, 12.7580 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
Spoleto PG 4 38218 38218
Campello sul Clitunno PG 6 2442 40660
Sant'Anatolia di Narco PG 7 564 41224
Scheggino PG 9 461 41685
Vallo di Nera PG 9 364 42049
Castel Ritaldi PG 9 3278 45327
Trevi PG 12 8469 53796
Cerreto di Spoleto PG 14 1075 54871
Poggiodomo PG 16 117 54988
Giano dell'Umbria PG 17 3846 58834
Montefalco PG 17 5679 64513
Ferentillo TR 17 1913 66426
Montefranco TR 19 1276 67702
Massa Martana PG 19 3770 71472
Acquasparta TR 19 4778 76250
Sellano PG 19 1079 77329

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km S of Foligno (57155 inhabitants)
25 Km NE of Terni (111501 inhabitants)
48 Km SE of Perugia (166134 inhabitants)
66 Km NE of Viterbo (67173 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
78 Km W of Teramo (54892 inhabitants)
85 Km N of Guidonia Montecelio (88673 inhabitants)
89 Km N of Tivoli (56533 inhabitants)
100 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 1.1 2024-01-10
02:35:10		 42.7677 12.7583 11 2024-01-10
02:42:12		 Sala Sismica INGV-Roma 124565751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-10 02:35:10 ± 0.04
Latitude 42.7677 ± 0.0018
Longitude 12.7583 ± 0.0037
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 124565751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 229
Semi-minor axis of confidence ellipse (meter) 219
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 157
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.12501
Epicentral distance of station farthest from the epicenter (degree) 0.36063
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 124565751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-10 02:42:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2024-01-10T02:35:23.83 0.6 undecidable manual S 42 40.0266 50 0.17 46
IV.ASSB.HHZ. 2024-01-10T02:35:21.43 0.6 undecidable manual S 345 31.5462 50 0.03 48
IV.CESI.HHZ. 2024-01-10T02:35:20.56 0.6 undecidable manual S 24 28.8489 50 -0.12 48
IV.LNSS.HHZ. 2024-01-10T02:35:20.75 0.6 undecidable manual S 128 29.3484 50 -0.07 48
IV.NRCA.HHZ. 2024-01-10T02:35:20.92 0.6 undecidable manual S 76 29.8479 50 -0.03 49
IV.ARRO.EHZ. 2024-01-10T02:35:18.39 0.6 undecidable manual S 178 20.9679 50 -0.17 48
IV.CESX.HHZ. 2024-01-10T02:35:18.83 0.6 undecidable manual S 218 22.5552 50 -0.16 48
IT.GNU.HGZ. 2024-01-10T02:35:17.02 0.6 undecidable manual S 285 15.873 124 -0.06 49
IV.FDMO.HHZ. 2024-01-10T02:35:17.92 1.0 undecidable manual P 42 40.0266 50 -0.16 23
IV.LNSS.HHZ. 2024-01-10T02:35:16.43 0.6 positive manual P 128 29.3484 50 0 49
IV.NRCA.HHZ. 2024-01-10T02:35:16.47 0.6 positive manual P 76 29.8479 50 -0.04 48
IV.ASSB.HHZ. 2024-01-10T02:35:16.82 1.0 undecidable manual P 345 31.5462 50 0.05 24
IV.GAVE.EHZ. 2024-01-10T02:35:16.36 0.6 undecidable manual S 127 13.875 128 -0.17 48
IV.CESI.HHZ. 2024-01-10T02:35:16.30 0.3 negative manual P 24 28.8489 50 -0.05 73
IV.ARRO.EHZ. 2024-01-10T02:35:15.43 0.1 undecidable manual P 178 20.9679 50 0.3 93
IV.CESX.HHZ. 2024-01-10T02:35:15.38 1.0 negative manual P 218 22.5552 50 0 25
IV.GAVE.EHZ. 2024-01-10T02:35:14.08 0.3 positive manual P 127 13.875 128 0.12 74
IT.GNU.HGZ. 2024-01-10T02:35:14.28 0.1 undecidable manual P 285 15.873 124 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHN. ML:1.2 0.00014067288 0.1392 AML other m 2024-01-10T02:35:17.21
IV.GAVE.EHE. ML:1.2 0.00014934505000000002 0.1408 AML other m 2024-01-10T02:35:17.34
IV.CESX.HHE. ML:0.8 0.0000473 0.64 AML other m 2024-01-10T02:35:20.92
IV.CESX.HHN. ML:1.0 0.00006105 0.32 AML other m 2024-01-10T02:35:20.87
IV.LNSS.HHN. ML:1.0 0.000048381725 0.16 AML other m 2024-01-10T02:35:22.53
IV.LNSS.HHE. ML:1.2 0.0000685389 0.1392 AML other m 2024-01-10T02:35:20.94
IV.GAVE.HNE. ML:1.2 0.00017570186999999997 0.2896 AML other m 2024-01-10T02:35:17.88
IV.GAVE.HNN. ML:1.2 0.00015891034 0.9712 AML other m 2024-01-10T02:35:16.52
IV.CESI.HNE. ML:1.2 0.00006882156000000001 0.6496 AML other m 2024-01-10T02:35:21.50
IV.CESI.HNN. ML:1.3 0.000099653095 0.4112 AML other m 2024-01-10T02:35:21.50
IV.CESI.HHE. ML:0.9 0.00003789757 0.92 AML other m 2024-01-10T02:35:26.03
IV.CESI.HHN. ML:0.8 0.00003355158 0.1392 AML other m 2024-01-10T02:35:20.93
IV.LNSS.HNE. ML:1.4 0.00011865354 0.2496 AML other m 2024-01-10T02:35:21.62
IV.LNSS.HNN. ML:1.6 0.00020708945 0.8288 AML other m 2024-01-10T02:35:23.97
IV.NRCA.HHE. ML:1.1 0.00006220235000000001 0.16 AML other m 2024-01-10T02:35:22.04
IV.NRCA.HHN. ML:0.9 0.00004039749 0.0992 AML other m 2024-01-10T02:35:21.31
IV.NRCA.HNE. ML:1.4 0.000113741195 1.2896 AML other m 2024-01-10T02:35:21.14
IV.NRCA.HNN. ML:1.6 0.0002077 1 AML other m 2024-01-10T02:35:28.08
IV.ASSB.HHE. ML:0.8 0.000029370569999999998 0.1808 AML other m 2024-01-10T02:35:24.02
IV.ASSB.HHN. ML:0.8 0.000029753345 0.12 AML other m 2024-01-10T02:35:21.88
IV.FDMO.HHE. ML:0.6 0.000013228833500000001 0.7808 AML other m 2024-01-10T02:35:24.29
IV.FDMO.HHN. ML:0.5 0.000011442924 0.4 AML other m 2024-01-10T02:35:24.34
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