Earthquake with magnitude of ML 1.5 on date 07-12-2023 and time 13:14:16 (UTC) in region 4 km NE Spoleto (PG)

A magnitude ML 1.5 earthquake occured in region: 4 km NE Spoleto (PG), on

  • 07-12-2023 13:14:16 (UTC)
  • 07-12-2023 14:14:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7580, 12.7720 at 8 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.

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 6 564 38782
Campello sul Clitunno PG 7 2442 41224
Scheggino PG 7 461 41685
Vallo di Nera PG 8 364 42049
Castel Ritaldi PG 11 3278 45327
Trevi PG 14 8469 53796
Cerreto di Spoleto PG 14 1075 54871
Poggiodomo PG 14 117 54988
Ferentillo TR 15 1913 56901
Montefranco TR 18 1276 58177
Giano dell'Umbria PG 18 3846 62023
Montefalco PG 18 5679 67702
Monteleone di Spoleto PG 19 599 68301
Sellano PG 19 1079 69380
Arrone TR 19 2763 72143
Acquasparta TR 20 4778 76921
Polino TR 20 233 77154

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km S of Foligno (57155 inhabitants)
24 Km NE of Terni (111501 inhabitants)
50 Km SE of Perugia (166134 inhabitants)
66 Km NE of Viterbo (67173 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
77 Km W of Teramo (54892 inhabitants)
84 Km N of Guidonia Montecelio (88673 inhabitants)
88 Km N of Tivoli (56533 inhabitants)
99 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 1.5 2023-12-07
13:14:16
42.7582 12.7717 8 2023-12-07
13:44:48
Sala Sismica INGV-Roma 123876311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-07 13:14:16 ± 0.07
Latitude 42.7582 ± 0.0027
Longitude 12.7717 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123876311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 340
Semi-minor axis of confidence ellipse (meter) 250
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 13
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55398
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 13
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 123876311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-07 13:44:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.AGOR.HHZ. 2023-12-07T13:15:56.76 3.0 undecidable manual Sn 2.79 0
IT.DLNV.HNZ. 2023-12-07T13:15:49.75 3.0 undecidable manual Pg 18.780001 0
IV.GMB1.HHZ. 2023-12-07T13:15:44.73 3.0 positive manual Pg 13.45 0
CR.STON.BHZ. 2023-12-07T13:15:26.40 3.0 positive manual Pg 15.33 0
OX.AGOR.HHZ. 2023-12-07T13:15:17.10 3.0 undecidable manual Pg 5.81 0
IV.BSSO.HHZ. 2023-12-07T13:15:14.32 3.0 undecidable manual Sg 5.77 0
IV.RIBO.EHZ.01 2023-12-07T13:15:00.60 3.0 undecidable manual S 2.75 0
IV.BSSO.HHZ. 2023-12-07T13:14:46.52 3.0 positive manual Pn 0.75 0
IV.NARO.HHZ. 2023-12-07T13:14:46.79 3.0 undecidable manual S -1.3 0
IT.CSO1.HGZ. 2023-12-07T13:14:38.70 3.0 undecidable manual S -1.03 0
IV.GIUL.HHZ. 2023-12-07T13:14:37.17 3.0 positive manual P -0.8 0
IV.CSP1.EHZ. 2023-12-07T13:14:33.81 0.6 undecidable manual S 43 51.1155 50 0.06 48
IV.MMO1.EHZ. 2023-12-07T13:14:33.12 0.3 undecidable manual S 71 47.8188 50 0.24 70
IV.SMA1.EHZ. 2023-12-07T13:14:33.25 0.6 undecidable manual S 107 48.1185 50 0.29 46
IV.RM33.EHZ. 2023-12-07T13:14:32.26 0.6 undecidable manual S 127 45.5211 50 0 49
IV.ASSB.HHZ. 2023-12-07T13:14:28.60 0.3 undecidable manual S 344 32.8449 103 -0.05 74
IV.FEMA.HNE. 2023-12-07T13:14:28.81 0.6 undecidable manual S 45 31.9458 104 0.44 46
IV.MF5.EHZ. 2023-12-07T13:14:28.59 1.0 negative manual P 65 61.494 50 0.34 22
IV.CESI.HNN. 2023-12-07T13:14:27.39 0.6 undecidable manual S 22 29.4483 105 -0.11 49
IV.NRCA.HHZ. 2023-12-07T13:14:27.61 0.6 undecidable manual S 73 29.1486 105 0.21 48
IV.SMA1.EHZ. 2023-12-07T13:14:26.21 0.6 negative manual P 107 48.1185 50 0.03 48
IV.CSP1.EHZ. 2023-12-07T13:14:26.43 0.3 negative manual P 43 51.1155 50 -0.21 70
IV.LNSS.HHZ. 2023-12-07T13:14:26.60 0.6 undecidable manual S 128 27.8499 106 -0.38 47
IV.MMO1.EHZ. 2023-12-07T13:14:25.80 0.3 negative manual P 71 47.8188 50 -0.34 68
IV.RM33.EHZ. 2023-12-07T13:14:25.66 1.0 undecidable manual P 127 45.5211 50 -0.13 24
IV.CESX.HHZ. 2023-12-07T13:14:24.71 0.6 undecidable manual S 222 22.4553 109 -0.47 46
IV.ASSB.HHZ. 2023-12-07T13:14:23.35 1.0 undecidable manual P 344 32.8449 103 -0.35 23
IV.FEMA.HNE. 2023-12-07T13:14:23.30 0.1 undecidable manual P 45 31.9458 104 -0.23 96
IT.GNU.HGZ. 2023-12-07T13:14:23.80 0.6 undecidable manual S 287 17.1717 115 0.32 48
IV.LNSS.HHZ. 2023-12-07T13:14:22.69 0.1 undecidable manual P 128 27.8499 106 -0.05 100
IV.GAVE.EHZ. 2023-12-07T13:14:22.12 0.6 undecidable manual S 126 12.3765 122 0.1 51
IV.NRCA.HHZ. 2023-12-07T13:14:22.80 0.1 negative manual P 73 29.1486 105 -0.18 97
IV.CESI.HNN. 2023-12-07T13:14:22.95 0.1 undecidable manual P 22 29.4483 105 -0.09 99
IV.CESX.HHZ. 2023-12-07T13:14:22.09 0.6 undecidable manual P 222 22.4553 109 0.39 47
IT.GNU.HGZ. 2023-12-07T13:14:20.86 0.1 undecidable manual P 287 17.1717 115 0.14 100
IV.GAVE.EHZ. 2023-12-07T13:14:20.16 0.1 undecidable manual P 126 12.3765 122 0.29 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.8 0.0007295 0.64 AML other m 2023-12-07T13:14:23.44
IV.GAVE.EHN. ML:2.0 0.0011799999999999998 0.22 AML other m 2023-12-07T13:14:23.45
IV.CESX.HHN. ML:1.4 0.00018449999999999999 0.68 AML other m 2023-12-07T13:14:26.11
IV.CESX.HHE. ML:1.5 0.00020600000000000002 0.4 AML other m 2023-12-07T13:14:27.30
IV.LNSS.HHE. ML:1.6 0.000242 0.22 AML other m 2023-12-07T13:14:28.23
IV.LNSS.HHN. ML:1.7 0.00027600000000000004 0.54 AML other m 2023-12-07T13:14:28.35
IV.NRCA.HHE. ML:1.3 0.00010745 0.42 AML other m 2023-12-07T13:14:28.75
IV.ASSB.HHE. ML:1.3 0.00009615 0.4 AML other m 2023-12-07T13:14:29.28
IV.ASSB.HHN. ML:1.3 0.000079 0.54 AML other m 2023-12-07T13:14:30.25
IV.NRCA.HHN. ML:1.3 0.00010300000000000001 1.2 AML other m 2023-12-07T13:14:30.17
IV.RM33.EHE. ML:1.5 0.00008269999999999999 1.18 AML other m 2023-12-07T13:14:33.82
IV.SMA1.EHE. ML:1.6 0.00011899999999999999 0.42 AML other m 2023-12-07T13:14:34.33
IV.RM33.EHN. ML:1.4 0.00007664999999999999 1.36 AML other m 2023-12-07T13:14:34.90
IV.SMA1.EHN. ML:1.5 0.00008679999999999998 1.36 AML other m 2023-12-07T13:14:35.10
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