Earthquake with magnitude of ML 2.1 on date 06-12-2023 and time 13:42:45 (UTC) in region 4 km NE Spoleto (PG)

A magnitude ML 2.1 earthquake occured in region: 4 km NE Spoleto (PG), on

  • 06-12-2023 13:42:45 (UTC)
  • 06-12-2023 14:42:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7560, 12.7770 at 7 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
Scheggino PG 7 461 39243
Vallo di Nera PG 7 364 39607
Campello sul Clitunno PG 7 2442 42049
Castel Ritaldi PG 11 3278 45327
Cerreto di Spoleto PG 14 1075 46402
Poggiodomo PG 14 117 46519
Trevi PG 14 8469 54988
Ferentillo TR 15 1913 56901
Montefranco TR 18 1276 58177
Monteleone di Spoleto PG 18 599 58776
Montefalco PG 18 5679 64455
Giano dell'Umbria PG 19 3846 68301
Arrone TR 19 2763 71064
Sellano PG 19 1079 72143
Polino TR 20 233 72376
Cascia PG 20 3217 75593

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)
67 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 2.1 2023-12-06
13:42:45
42.756 12.7772 7 2023-12-06
13:57:22
Sala Sismica INGV-Roma 123854361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-06 13:42:45 ± 0.1
Latitude 42.7560 ± 0.0045
Longitude 12.7772 ± 0.0073
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123854361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 567
Semi-minor axis of confidence ellipse (meter) 248
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
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 39
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.82378
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 20
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 34
Type of magnitude ML
Reference to an origin 123854361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-06 13:57:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIGN.HHZ. 2023-12-06T13:43:20.22 3.0 negative manual Pg 3.13 0
IV.SFI.EHZ. 2023-12-06T13:43:10.51 3.0 undecidable manual P 1.09 0
IV.CING.HHZ. 2023-12-06T13:43:09.83 0.3 undecidable manual S 26 76.6677 50 0.92 52
IV.FIAM.HHZ. 2023-12-06T13:43:05.01 0.3 undecidable manual S 153 60.8946 50 0.31 67
IV.MGAB.HHZ. 2023-12-06T13:43:04.05 0.3 undecidable manual S 288 56.7987 50 0.43 65
IV.GUMA.HHZ. 2023-12-06T13:43:04.48 0.3 undecidable manual S 53 56.6988 50 0.89 55
IV.SNTG.HHZ. 2023-12-06T13:43:03.81 0.3 undecidable manual S 13 56.8986 50 0.16 69
IV.CSP1.EHZ. 2023-12-06T13:43:02.13 0.1 undecidable manual S 43 50.9157 50 0.08 95
IV.ATCC.EHZ. 2023-12-06T13:43:01.91 0.3 undecidable manual S 347 48.9177 50 0.4 67
IV.CAFI.HHZ. 2023-12-06T13:43:01.21 1.0 negative manual P 314 91.4418 50 0.06 22
IV.ATMI.HHZ. 2023-12-06T13:43:00.63 3.0 undecidable manual P 0
IV.PIEI.HHZ. 2023-12-06T13:43:00.64 0.3 undecidable manual P 347 88.6446 50 -0.09 66
IV.RM33.EHZ. 2023-12-06T13:43:00.22 0.1 undecidable manual S 127 45.0216 50 -0.25 93
IV.MML1.EHZ. 2023-12-06T13:42:59.78 0.1 undecidable manual S 22 42.7239 50 -0.07 97
IV.CING.HHZ. 2023-12-06T13:42:58.65 0.3 undecidable manual P 26 76.6677 50 -0.22 66
IV.TERO.HHZ. 2023-12-06T13:42:57.32 1.0 positive manual P 102 68.9754 50 -0.38 22
IV.ASSB.HHZ. 2023-12-06T13:42:57.22 0.3 undecidable manual S 343 33.2445 102 0.27 71
IV.FIAM.HHZ. 2023-12-06T13:42:56.22 0.6 positive manual P 153 60.8946 50 -0.22 45
IV.MF5.EHZ. 2023-12-06T13:42:56.51 0.6 negative manual P 65 61.1943 50 0.03 47
IV.NRCA.HHZ. 2023-12-06T13:42:55.67 0.1 undecidable manual S 72 28.749 104 0.23 96
IV.CESI.HHZ. 2023-12-06T13:42:55.85 0.1 undecidable manual S 21 29.4483 104 0.16 97
IV.MGAB.HHZ. 2023-12-06T13:42:55.62 0.6 positive manual P 288 56.7987 50 -0.19 46
IV.GUMA.HHZ. 2023-12-06T13:42:54.99 0.3 undecidable manual P 53 56.6988 50 -0.81 57
IV.ATCC.EHZ. 2023-12-06T13:42:54.84 0.3 undecidable manual P 347 48.9177 50 0.25 69
IV.CESX.HHZ. 2023-12-06T13:42:54.10 0.6 undecidable manual S 224 22.5552 108 0.73 42
IV.SNTG.HHZ. 2023-12-06T13:42:54.45 0.3 undecidable manual P 13 56.8986 50 -1.38 43
IV.LNSS.HHZ. 2023-12-06T13:42:54.94 0.1 undecidable manual S 128 27.3504 105 -0.04 100
IV.CSP1.EHZ. 2023-12-06T13:42:54.52 0.6 negative manual P 43 50.9157 50 -0.39 44
IV.RM33.EHZ. 2023-12-06T13:42:53.46 1.0 positive manual P 127 45.0216 50 -0.53 22
IV.MML1.EHZ. 2023-12-06T13:42:53.21 0.3 negative manual P 22 42.7239 50 -0.43 67
IV.SMA1.EHZ. 2023-12-06T13:42:52.17 3.0 negative manual P -2.16 0
IV.ASSB.HHZ. 2023-12-06T13:42:51.46 0.1 positive manual P 343 33.2445 102 -0.5 89
IV.CESI.HHZ. 2023-12-06T13:42:51.05 0.1 negative manual P 21 29.4483 104 -0.19 96
IV.LNSS.HHZ. 2023-12-06T13:42:50.59 0.6 positive manual P 128 27.3504 105 -0.24 48
IV.NRCA.HHZ. 2023-12-06T13:42:50.87 0.1 negative manual P 72 28.749 104 -0.22 96
IV.GAVE.EHZ. 2023-12-06T13:42:50.67 0.3 undecidable manual S 127 11.877 121 0.69 65
IV.CESX.HHZ. 2023-12-06T13:42:49.55 0.6 undecidable manual P 224 22.5552 108 -0.35 47
IV.ARRO.EHZ. 2023-12-06T13:42:49.44 0.1 undecidable manual P 183 19.6692 110 0.09 100
IV.GAVE.EHZ. 2023-12-06T13:42:48.02 0.3 negative manual P 127 11.877 121 0.08 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:2.4 0.00303 0.2 AML other m 2023-12-06T13:42:51.10
IV.GAVE.HNE. ML:2.4 0.0030499999999999998 0.2 AML other m 2023-12-06T13:42:51.10
IV.GAVE.EHN. ML:2.3 0.0028200000000000005 0.2 AML other m 2023-12-06T13:42:51.66
IV.GAVE.HNN. ML:1.8 0.000865 0.22 AML other m 2023-12-06T13:42:51.55
IV.ARRO.EHN. ML:1.9 0.000625 0.24 AML other m 2023-12-06T13:42:54.12
IV.CESX.HHE. ML:2.0 0.0007465 0.46 AML other m 2023-12-06T13:42:54.74
IV.ARRO.EHE. ML:1.9 0.000623 0.18 AML other m 2023-12-06T13:42:54.90
IV.CESX.HHN. ML:2.0 0.0006519999999999999 0.22 AML other m 2023-12-06T13:42:55.74
IV.CESI.HHN. ML:2.2 0.000833 1.76 AML other m 2023-12-06T13:42:55.01
IV.CESI.HNN. ML:2.2 0.0008280000000000001 1.76 AML other m 2023-12-06T13:42:55.01
IV.LNSS.HHE. ML:2.3 0.0010500000000000002 0.3 AML other m 2023-12-06T13:42:56.28
IV.CESI.HHE. ML:2.0 0.0005434999999999999 0.86 AML other m 2023-12-06T13:42:56.00
IV.CESI.HNE. ML:2.0 0.0005105 1.1 AML other m 2023-12-06T13:42:56.44
IV.LNSS.HNN. ML:2.3 0.0011385 1.64 AML other m 2023-12-06T13:42:56.14
IV.LNSS.HHN. ML:2.4 0.00126 1.66 AML other m 2023-12-06T13:42:56.14
IV.LNSS.HNE. ML:2.3 0.001024 0.54 AML other m 2023-12-06T13:42:57.28
IV.ASSB.HHE. ML:2.0 0.000472 0.3 AML other m 2023-12-06T13:42:57.34
IV.NRCA.HNE. ML:2.0 0.0005200000000000001 0.74 AML other m 2023-12-06T13:42:57.75
IV.ASSB.HHN. ML:1.9 0.000383 0.38 AML other m 2023-12-06T13:42:57.35
IV.NRCA.HHE. ML:2.0 0.000539 0.16 AML other m 2023-12-06T13:42:57.75
IV.NRCA.HNN. ML:2.0 0.00048450000000000007 0.7 AML other m 2023-12-06T13:42:57.99
IV.NRCA.HHN. ML:1.9 0.0004555 1.9 AML other m 2023-12-06T13:42:57.04
IV.MML1.EHE. ML:2.0 0.00036350000000000005 0.24 AML other m 2023-12-06T13:43:00.80
IV.MML1.EHN. ML:1.8 0.0001975 0.54 AML other m 2023-12-06T13:43:01.36
IV.RM33.EHE. ML:1.9 0.0002475 0.22 AML other m 2023-12-06T13:43:01.74
IV.CSP1.EHE. ML:2.4 0.000699 0.24 AML other m 2023-12-06T13:43:02.65
IV.RM33.EHN. ML:2.0 0.0002795 1.38 AML other m 2023-12-06T13:43:02.28
IV.ATCC.EHN. ML:2.0 0.00029099999999999997 0.2 AML other m 2023-12-06T13:43:03.13
IV.CSP1.EHN. ML:2.3 0.000518 0.74 AML other m 2023-12-06T13:43:03.46
IV.ATCC.EHE. ML:1.9 0.00022849999999999997 1.54 AML other m 2023-12-06T13:43:04.16
IV.GUMA.HHN. ML:2.2 0.000377 0.18 AML other m 2023-12-06T13:43:04.89
IV.GUMA.HHE. ML:2.4 0.0005780000000000001 0.3 AML other m 2023-12-06T13:43:07.03
IV.MGAB.HHE. ML:1.9 0.00016949999999999997 0.38 AML other m 2023-12-06T13:43:08.89
IV.MGAB.HHN. ML:1.8 0.0001455 0.22 AML other m 2023-12-06T13:43:09.11
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
Waveforms Seismic signals in miniseed + resp format Download