Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 05-01-2024 and time 16:54:41 (Italy) in region 5 km N Spoleto (PG)

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

  • 05-01-2024 15:54:41 (UTC)
  • 05-01-2024 16:54:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7820, 12.7380 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 5 38218 38218
Campello sul Clitunno PG 5 2442 40660
Castel Ritaldi PG 7 3278 43938
Sant'Anatolia di Narco PG 10 564 44502
Vallo di Nera PG 10 364 44866
Trevi PG 11 8469 53335
Scheggino PG 11 461 53796
Montefalco PG 14 5679 59475
Giano dell'Umbria PG 14 3846 63321
Cerreto di Spoleto PG 15 1075 64396
Massa Martana PG 18 3770 68166
Poggiodomo PG 18 117 68283
Ferentillo TR 18 1913 70196
Acquasparta TR 19 4778 74974
Sellano PG 20 1079 76053
Foligno PG 20 57155 133208
Bevagna PG 20 5081 138289

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km S of Foligno (57155 inhabitants)
26 Km N of Terni (111501 inhabitants)
46 Km SE of Perugia (166134 inhabitants)
66 Km NE of Viterbo (67173 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
80 Km W of Teramo (54892 inhabitants)
87 Km N of Guidonia Montecelio (88673 inhabitants)
91 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 2024-01-05
15:54:41		 42.782 12.7377 10 2024-01-05
16:10:22		 Sala Sismica INGV-Roma 124501811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-05 15:54:41 ± 0.06
Latitude 42.7820 ± 0.0045
Longitude 12.7377 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124501811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 601
Semi-minor axis of confidence ellipse (meter) 379
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 224
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44786
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 124501811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-05 16:10:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MGR.HHZ. 2024-01-05T15:56:29.16 3.0 undecidable manual Sg 11.41 0
IV.HPAC.HHZ. 2024-01-05T15:56:04.13 3.0 undecidable manual Pn -5.08 0
NI.POLC.HHZ. 2024-01-05T15:56:00.47 3.0 undecidable manual Sn -0.97 0
IV.SPS2.HHZ. 2024-01-05T15:55:53.47 3.0 positive manual Pg 8.07 0
IV.BDI.HHZ. 2024-01-05T15:55:23.93 3.0 undecidable manual S 1.58 0
IV.BRSN.HNZ. 2024-01-05T15:55:16.12 3.0 undecidable manual S -2.3 0
IV.CPGN.HNZ. 2024-01-05T15:55:05.92 3.0 undecidable manual S -0.06 0
IV.MMO1.EHZ. 2024-01-05T15:54:57.85 1.0 undecidable manual S 75 49.7169 50 0.29 30
IV.FDMO.HHZ. 2024-01-05T15:54:54.98 0.6 undecidable manual S 45 40.0266 50 -0.01 66
IV.NRCA.HHZ. 2024-01-05T15:54:52.32 0.6 undecidable manual S 79 31.1466 50 -0.3 63
IV.ASSB.HHZ. 2024-01-05T15:54:52.49 0.6 undecidable manual S 348 29.6481 50 0.28 63
IT.MTCL.HGN. 2024-01-05T15:54:52.42 0.6 undecidable manual S 42 31.746 50 -0.34 62
IV.LNSS.HHZ. 2024-01-05T15:54:52.65 0.6 undecidable manual S 129 31.6461 50 -0.11 65
IV.CESI.HNE. 2024-01-05T15:54:51.60 0.3 undecidable manual S 29 28.2495 50 -0.23 96
IV.MMO1.EHZ. 2024-01-05T15:54:51.24 1.0 undecidable manual P 75 49.7169 50 0.41 30
IV.CESX.HHN. 2024-01-05T15:54:50.09 0.6 undecidable manual S 213 22.8549 114 -0.21 65
IV.FDMO.HHZ. 2024-01-05T15:54:49.47 0.6 undecidable manual P 45 40.0266 50 0.12 64
IT.MTCL.HGN. 2024-01-05T15:54:48.38 0.6 undecidable manual P 42 31.746 50 0.32 63
IV.LNSS.HHZ. 2024-01-05T15:54:48.24 0.6 undecidable manual P 129 31.6461 50 0.18 64
IV.GAVE.EHE. 2024-01-05T15:54:48.29 0.6 undecidable manual S 128 16.1727 122 0.03 68
IV.CING.HHZ. 2024-01-05T15:54:48.59 3.0 undecidable manual P -3.33 0
IV.ASSB.HHZ. 2024-01-05T15:54:48.01 0.6 undecidable manual P 348 29.6481 50 0.28 63
IV.CESI.HNE. 2024-01-05T15:54:47.48 0.3 undecidable manual P 29 28.2495 50 -0.04 100
IT.GNU.HGE. 2024-01-05T15:54:47.35 0.3 undecidable manual S 280 13.875 126 -0.23 99
IV.NRCA.HHZ. 2024-01-05T15:54:47.82 0.3 undecidable manual P 79 31.1466 50 -0.16 97
IV.CESX.HHN. 2024-01-05T15:54:46.88 1.0 undecidable manual P 213 22.8549 114 0.24 32
IV.RIBO.EHZ.01 2024-01-05T15:54:45.14 3.0 undecidable manual Pn -1.32 0
IV.GAVE.EHE. 2024-01-05T15:54:45.68 0.6 undecidable manual P 128 16.1727 122 0.22 66
IT.GNU.HGE. 2024-01-05T15:54:45.18 0.6 undecidable manual P 280 13.875 126 0.11 67
TV.SF11.HHZ. 2024-01-05T15:54:35.63 3.0 undecidable manual P -1.21 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.2 0.00007355 0.38 AML other m 2024-01-05T15:54:53.44
IV.LNSS.HHE. ML:1.2 0.00007635 0.7 AML other m 2024-01-05T15:54:56.04
IV.NRCA.HHE. ML:1.3 0.00008281421 0.128 AML other m 2024-01-05T15:54:54.73
IV.NRCA.HHN. ML:1.1 0.000055808805 0.1024 AML other m 2024-01-05T15:54:53.68
IV.ASSB.HHE. ML:0.8 0.000031909895000000004 0.1024 AML other m 2024-01-05T15:54:53.36
IV.ASSB.HHN. ML:0.9 0.000034053984999999995 0.2048 AML other m 2024-01-05T15:54:53.06
IV.FDMO.HHE. ML:1.0 0.000033255515 0.1152 AML other m 2024-01-05T15:54:55.43
IV.FDMO.HHN. ML:0.8 0.000022238010000000004 0.1408 AML other m 2024-01-05T15:54:56.04
IV.MMO1.EHE. ML:1.3 0.00005095827 0.2816 AML other m 2024-01-05T15:54:58.17
IV.MMO1.EHN. ML:1.3 0.000053446985000000004 0.192 AML other m 2024-01-05T15:54:58.61
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