Earthquake with magnitude of ML 2.1 on date 07-12-2023 and time 00:56:08 (UTC) in region 3 km E Spoleto (PG)

A magnitude ML 2.1 earthquake occured in region: 3 km E Spoleto (PG), on

  • 07-12-2023 00:56:08 (UTC)
  • 07-12-2023 01:56:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7430, 12.7680 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.

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 3 38218 38218
Sant'Anatolia di Narco PG 6 564 38782
Scheggino PG 6 461 39243
Vallo di Nera PG 8 364 39607
Campello sul Clitunno PG 9 2442 42049
Castel Ritaldi PG 12 3278 45327
Ferentillo TR 14 1913 47240
Poggiodomo PG 14 117 47357
Cerreto di Spoleto PG 15 1075 48432
Trevi PG 15 8469 56901
Montefranco TR 16 1276 58177
Arrone TR 18 2763 60940
Monteleone di Spoleto PG 18 599 61539
Polino TR 19 233 61772
Giano dell'Umbria PG 19 3846 65618
Acquasparta TR 19 4778 70396
Montefalco PG 19 5679 76075

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NE of Terni (111501 inhabitants)
24 Km S of Foligno (57155 inhabitants)
51 Km SE of Perugia (166134 inhabitants)
65 Km NE of Viterbo (67173 inhabitants)
68 Km NW of L'Aquila (69753 inhabitants)
77 Km W of Teramo (54892 inhabitants)
83 Km N of Guidonia Montecelio (88673 inhabitants)
87 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 2.1 2023-12-07
00:56:08
42.7427 12.7683 10 2023-12-07
02:07:21
Sala Sismica INGV-Roma 123863141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-07 00:56:08 ± 0.07
Latitude 42.7427 ± 0.0054
Longitude 12.7683 ± 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 123863141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 626
Semi-minor axis of confidence ellipse (meter) 418
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 215
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.31027
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 8
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 123863141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-07 02:07:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERT.HHZ. 2023-12-07T00:56:36.20 3.0 undecidable manual S -0.46 0
IV.ATMI.HHZ. 2023-12-07T00:56:34.57 3.0 undecidable manual S 0.85 0
IV.MF5.EHZ. 2023-12-07T00:56:29.57 3.0 undecidable manual S 0.81 0
IV.GIUL.HHZ. 2023-12-07T00:56:29.28 3.0 positive manual P -1.78 0
IV.GUMA.HHZ. 2023-12-07T00:56:28.04 3.0 undecidable manual S 0.49 0
IV.MURB.HHZ. 2023-12-07T00:56:28.63 3.0 undecidable manual S -0.23 0
IV.FIAM.HHZ. 2023-12-07T00:56:27.77 3.0 undecidable manual S 0.08 0
IV.ASSB.HHZ. 2023-12-07T00:56:20.33 0.6 undecidable manual S 345 34.4433 50 0.28 48
IV.CESI.HHZ. 2023-12-07T00:56:18.91 0.6 undecidable manual S 21 31.1466 50 -0.26 49
IV.NRCA.HHZ. 2023-12-07T00:56:18.93 0.6 undecidable manual S 70 29.9478 50 0.09 51
IV.LNSS.HHZ. 2023-12-07T00:56:17.88 0.6 undecidable manual S 125 27.0507 50 -0.2 50
IV.ASSB.HHZ. 2023-12-07T00:56:15.26 0.3 undecidable manual P 345 34.4433 50 0.24 73
IV.CESX.HHZ. 2023-12-07T00:56:15.92 0.6 undecidable manual S 225 20.9679 115 -0.27 50
IV.MOMA.HHZ. 2023-12-07T00:56:14.89 0.6 undecidable manual S 293 17.4714 120 -0.23 50
IV.NRCA.HHZ. 2023-12-07T00:56:14.28 1.0 undecidable manual P 70 29.9478 50 -0.04 26
IV.CESI.HHZ. 2023-12-07T00:56:14.27 0.1 undecidable manual P 21 31.1466 50 -0.23 98
IV.LNSS.HHZ. 2023-12-07T00:56:13.88 0.3 undecidable manual P 125 27.0507 50 0 78
IV.GAVE.EHZ. 2023-12-07T00:56:13.14 0.6 undecidable manual S 119 11.6772 130 -0.31 50
IV.CESX.HHZ. 2023-12-07T00:56:12.92 0.3 undecidable manual P 225 20.9679 115 0.13 76
IV.MOMA.HHZ. 2023-12-07T00:56:12.18 0.3 undecidable manual P 293 17.4714 120 0.01 79
IV.ARRO.EHZ. 2023-12-07T00:56:12.67 1.0 undecidable manual P 181 18.1707 119 0.39 24
IV.GAVE.EHZ. 2023-12-07T00:56:11.51 0.1 undecidable manual P 119 11.6772 130 0.3 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHE. ML:1.9 0.0007370000000000001 0.18 AML other m 2023-12-07T00:56:16.76
IV.ARRO.EHN. ML:2.0 0.0007865 0.26 AML other m 2023-12-07T00:56:17.30
IV.CESX.HHN. ML:2.2 0.001165 0.3 AML other m 2023-12-07T00:56:17.77
IV.CESX.HHE. ML:2.1 0.000915 0.58 AML other m 2023-12-07T00:56:17.91
IV.FIAM.HHN. ML:1.8 0.00013474999999999997 0.68 AML other m 2023-12-07T00:56:31.35
IV.MURB.HHN. ML:2.2 0.00035999999999999997 0.26 AML other m 2023-12-07T00:56:31.91
IV.FIAM.HHE. ML:1.8 0.00013800000000000002 0.4 AML other m 2023-12-07T00:56:32.78
IV.MURB.HHE. ML:2.4 0.0005389999999999999 1.68 AML other m 2023-12-07T00:56:33.09
IV.ATMI.HHE. ML:2.4 0.000363 1.52 AML other m 2023-12-07T00:56:36.98
IV.CERT.HHN. ML:1.6 0.0000504 1.42 AML other m 2023-12-07T00:56:37.97
IV.ATMI.HHN. ML:2.2 0.0002565 0.4 AML other m 2023-12-07T00:56:38.33
IV.CERT.HHE. ML:1.8 0.00007375 0.62 AML other m 2023-12-07T00:56:38.54
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