Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 15-01-2024 and time 04:22:46 (Italy) in region 4 km E Spoleto (PG)

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

  • 15-01-2024 03:22:46 (UTC)
  • 15-01-2024 04:22:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7410, 12.7830 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
Spoleto PG 4 38218 38218
Sant'Anatolia di Narco PG 5 564 38782
Scheggino PG 5 461 39243
Vallo di Nera PG 7 364 39607
Campello sul Clitunno PG 9 2442 42049
Poggiodomo PG 13 117 42166
Castel Ritaldi PG 13 3278 45444
Ferentillo TR 13 1913 47357
Cerreto di Spoleto PG 14 1075 48432
Trevi PG 16 8469 56901
Montefranco TR 16 1276 58177
Monteleone di Spoleto PG 17 599 58776
Arrone TR 18 2763 61539
Polino TR 18 233 61772
Cascia PG 19 3217 64989
Giano dell'Umbria PG 20 3846 68835

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Terni (111501 inhabitants)
25 Km S of Foligno (57155 inhabitants)
52 Km SE of Perugia (166134 inhabitants)
66 Km NE of Viterbo (67173 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
76 Km W of Teramo (54892 inhabitants)
82 Km N of Guidonia Montecelio (88673 inhabitants)
86 Km N of Tivoli (56533 inhabitants)
97 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 2024-01-15
03:22:46		 42.7408 12.783 10 2024-01-15
03:29:10		 Sala Sismica INGV-Roma 124649391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-15 03:22:46 ± 0.05
Latitude 42.7408 ± 0.0027
Longitude 12.7830 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124649391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 360
Semi-minor axis of confidence ellipse (meter) 285
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 290
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.09533
Epicentral distance of station farthest from the epicenter (degree) 0.46765
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 124649391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-15 03:29:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2024-01-15T03:23:00.43 0.6 undecidable manual S 37 41.1255 50 0.07 48
IV.ASSB.HHZ. 2024-01-15T03:22:58.93 0.6 undecidable manual S 343 34.9428 50 0.2 47
IV.CESI.HHZ. 2024-01-15T03:22:57.32 0.6 undecidable manual S 19 30.9468 50 -0.32 46
IV.NRCA.HHZ. 2024-01-15T03:22:57.05 0.6 undecidable manual S 69 28.8489 50 -0.05 49
IV.CSP1.EHZ. 2024-01-15T03:22:56.28 1.0 positive manual P 41 51.9036 50 0.02 24
IV.LNSS.HHZ. 2024-01-15T03:22:56.47 0.6 undecidable manual S 126 25.9518 50 0.14 48
IV.FDMO.HHZ. 2024-01-15T03:22:54.71 1.0 positive manual P 37 41.1255 50 0.12 24
IV.CESX.HHZ. 2024-01-15T03:22:54.61 0.6 undecidable manual S 228 21.7671 115 -0.42 46
IV.ARRO.EHZ. 2024-01-15T03:22:53.87 0.6 undecidable manual S 185 17.9709 119 -0.01 50
IV.ASSB.HHZ. 2024-01-15T03:22:53.44 1.0 undecidable manual P 343 34.9428 50 -0.21 24
IV.LNSS.HHZ. 2024-01-15T03:22:52.22 0.6 negative manual P 126 25.9518 50 -0.05 49
IV.NRCA.HHZ. 2024-01-15T03:22:52.62 0.6 undecidable manual P 69 28.8489 50 -0.09 49
ZO.PDN12.EHZ. 2024-01-15T03:22:52.40 0.6 undecidable manual S 51 14.0748 126 -0.32 48
IV.CESI.HHZ. 2024-01-15T03:22:52.88 0.6 negative manual P 19 30.9468 50 -0.15 48
IV.GAVE.EHZ. 2024-01-15T03:22:51.75 0.6 undecidable manual S 121 10.5783 134 -0.04 51
IV.CESX.HHZ. 2024-01-15T03:22:51.84 1.0 undecidable manual P 228 21.7671 115 0.32 24
IV.MOMA.HNZ. 2024-01-15T03:22:51.08 0.1 undecidable manual P 292 18.6702 118 0.1 99
IV.ARRO.EHZ. 2024-01-15T03:22:50.91 0.1 undecidable manual P 185 17.9709 119 0.06 100
ZO.PDN12.EHZ. 2024-01-15T03:22:50.46 0.1 undecidable manual P 51 14.0748 126 0.27 96
IV.GAVE.EHZ. 2024-01-15T03:22:49.64 0.3 undecidable manual P 121 10.5783 134 -0.01 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.4 0.0003305 0.14 AML other m 2024-01-15T03:22:52.58
IV.GAVE.EHN. ML:1.3 0.00026549999999999995 0.16 AML other m 2024-01-15T03:22:53.25
IV.CESX.HHN. ML:0.9 0.000047739455 0.2592 AML other m 2024-01-15T03:22:55.62
IV.CESX.HHE. ML:0.7 0.00003414038 0.2784 AML other m 2024-01-15T03:22:57.20
IV.LNSS.HHN. ML:1.1 0.000073789885 0.32 AML other m 2024-01-15T03:22:57.21
IV.LNSS.HHE. ML:1.1 0.0000703031 0.1408 AML other m 2024-01-15T03:22:57.87
IV.NRCA.HHE. ML:1.0 0.0000453 0.14 AML other m 2024-01-15T03:22:58.42
IV.NRCA.HHN. ML:0.8 0.00003389711 0.12 AML other m 2024-01-15T03:22:58.87
IV.GAVE.HNE. ML:1.4 0.0003231265 0.1312 AML other m 2024-01-15T03:22:52.51
IV.GAVE.HNN. ML:1.2 0.00019848385000000002 0.8992 AML other m 2024-01-15T03:22:56.01
IV.LNSS.HNE. ML:1.2 0.00009541805 0.72 AML other m 2024-01-15T03:23:04.16
IV.LNSS.HNN. ML:1.4 0.00014247987500000002 1.28 AML other m 2024-01-15T03:23:05.11
IV.NRCA.HNE. ML:1.4 0.000115337 0.5392 AML other m 2024-01-15T03:22:52.81
IV.NRCA.HNN. ML:1.6 0.00019838339999999997 0.9808 AML other m 2024-01-15T03:22:52.98
IV.CESI.HNE. ML:1.4 0.00012700115 0.92 AML other m 2024-01-15T03:23:06.42
IV.CESI.HNN. ML:1.3 0.00009312748 0.8896 AML other m 2024-01-15T03:22:53.32
IV.CESI.HHE. ML:0.9 0.000032707895 0.24 AML other m 2024-01-15T03:22:57.58
IV.CESI.HHN. ML:1.0 0.000044775210000000005 0.2 AML other m 2024-01-15T03:22:57.50
IV.ASSB.HHE. ML:0.9 0.000028706140000000002 0.28 AML other m 2024-01-15T03:22:59.09
IV.ASSB.HHN. ML:0.9 0.000027920515 0.1184 AML other m 2024-01-15T03:22:59.48
IV.FDMO.HHE. ML:0.6 0.000016945175 0.16 AML other m 2024-01-15T03:23:01.15
IV.FDMO.HHN. ML:0.8 0.000019410034999999998 0.12 AML other m 2024-01-15T03:23:01.07
IV.CSP1.EHE. ML:1.3 0.000049100235 0.88 AML other m 2024-01-15T03:23:17.68
IV.CSP1.EHN. ML:1.5 0.00007670175 1.3808 AML other m 2024-01-15T03:23:11.13
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