Earthquake with magnitude of ML 0.6 on date 31-12-2022 and time 07:06:56 (UTC) in region 4 km NW Cerreto di Spoleto (PG)

A magnitude ML 0.6 earthquake occured in region: 4 km NW Cerreto di Spoleto (PG), on

  • 31-12-2022 07:06:56 (UTC)
  • 31-12-2022 08:06:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8430, 12.8800 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
Cerreto di Spoleto PG 4 1075 1075
Sellano PG 7 1079 2154
Vallo di Nera PG 8 364 2518
Campello sul Clitunno PG 9 2442 4960
Trevi PG 11 8469 13429
Sant'Anatolia di Narco PG 13 564 13993
Preci PG 14 724 14717
Scheggino PG 15 461 15178
Poggiodomo PG 15 117 15295
Spoleto PG 17 38218 53513
Castel Ritaldi PG 17 3278 56791
Cascia PG 18 3217 60008
Norcia PG 18 4957 64965
Foligno PG 19 57155 122120
Montefalco PG 19 5679 127799
Monte Cavallo MC 20 145 127944
Visso MC 20 1107 129051

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SE of Foligno (57155 inhabitants)
37 Km NE of Terni (111501 inhabitants)
50 Km SE of Perugia (166134 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
70 Km W of Teramo (54892 inhabitants)
79 Km NE of Viterbo (67173 inhabitants)
95 Km N of Guidonia Montecelio (88673 inhabitants)
98 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 0.6 2022-12-31
07:06:56
42.843 12.88 8 2022-12-31
07:25:06
Sala Sismica INGV-Roma 113207391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-31 07:06:56 ± 0.09
Latitude 42.8430 ± 0.0027
Longitude 12.8800 ± 0.0061
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 113207391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 549
Semi-minor axis of confidence ellipse (meter) 52
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.41459
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 113207391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-31 07:25:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GALF.HHZ. 2022-12-31T07:08:29.65 3.0 negative manual Pg 23.5 0
IV.TDS.HHZ. 2022-12-31T07:08:03.82 3.0 undecidable manual Pg 13.11 0
IV.MGR.HHZ. 2022-12-31T07:07:41.43 3.0 positive manual Pn 0.9 0
IT.PLTA.HNZ. 2022-12-31T07:07:41.81 3.0 undecidable manual Sg 0.44 0
CR.STON.BHZ. 2022-12-31T07:07:39.56 3.0 negative manual Pn -4.21 0
IV.CERA.HNZ. 2022-12-31T07:07:34.92 3.0 undecidable manual S -1.04 0
IV.GUAR.HHZ. 2022-12-31T07:07:18.63 3.0 positive manual Pg 8.43 0
IT.PLTA.HNZ. 2022-12-31T07:07:18.70 3.0 undecidable manual P 0.02 0
IV.ASSB.HHZ. 2022-12-31T07:07:07.11 0.3 undecidable manual S 321 28.5492 106 -0.12 78
IV.LNSS.HHZ. 2022-12-31T07:07:07.45 0.3 undecidable manual S 154 29.6481 106 -0.17 78
IV.MML1.EHZ. 2022-12-31T07:07:07.75 0.3 undecidable manual S 14 30.9468 105 -0.28 76
IV.RM33.HNN. 2022-12-31T07:07:06.28 0.3 undecidable manual P 144 46.0206 50 0.48 70
IV.FDMO.HHZ. 2022-12-31T07:07:06.41 0.6 undecidable manual S 38 27.2505 107 -0.41 49
IV.CESI.HHZ. 2022-12-31T07:07:04.26 0.3 undecidable manual S 6 18.0708 115 0.43 75
7F.SIB2.EHE. 2022-12-31T07:07:04.03 0.3 undecidable manual P 81 34.8429 50 -0.05 79
IV.NRCA.HHZ. 2022-12-31T07:07:04.22 0.3 undecidable manual S 93 19.0698 113 0.07 81
IT.MTCL.HGZ. 2022-12-31T07:07:04.29 0.3 undecidable manual S 30 19.3695 113 0.06 81
IV.CSP1.EHZ. 2022-12-31T07:07:04.34 0.3 undecidable manual P 44 38.1285 50 -0.25 75
IV.LNSS.HHZ. 2022-12-31T07:07:03.17 0.3 undecidable manual P 154 29.6481 106 0.07 79
IV.GAVE.EHZ. 2022-12-31T07:07:03.56 0.3 undecidable manual S 176 16.7721 116 0.14 80
7F.SIB1.EHE. 2022-12-31T07:07:03.90 0.1 undecidable manual P 80 32.2455 104 0.31 100
IV.MML1.EHZ. 2022-12-31T07:07:03.21 0.3 undecidable manual P 14 30.9468 105 -0.13 78
7F.SIB3.EHE. 2022-12-31T07:07:03.51 0.3 undecidable manual P 83 31.9458 105 -0.02 80
IV.FDMO.HHZ. 2022-12-31T07:07:02.55 0.3 undecidable manual P 38 27.2505 107 -0.09 79
IV.MC2.EHZ. 2022-12-31T07:07:02.09 0.3 undecidable manual P 73 26.2515 108 -0.35 75
IV.ASSB.HHZ. 2022-12-31T07:07:02.82 0.3 undecidable manual P 321 28.5492 106 -0.06 80
IV.NRCA.HHZ. 2022-12-31T07:07:01.03 0.3 undecidable manual P 93 19.0698 113 -0.07 81
IT.MTCL.HGZ. 2022-12-31T07:07:01.39 0.3 undecidable manual P 30 19.3695 113 0.25 78
IV.CESI.HHZ. 2022-12-31T07:07:01.32 0.3 undecidable manual P 6 18.0708 115 0.41 75
IV.GAVE.EHZ. 2022-12-31T07:07:00.26 0.3 undecidable manual P 176 16.7721 116 -0.42 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.0 0.00009365367 0.3008 AML other m 2022-12-31T07:07:04.47
IV.GAVE.EHN. ML:1.0 0.00009510000000000001 0.12 AML other m 2022-12-31T07:07:04.71
IV.NRCA.HHE. ML:0.6 0.00002907138 0.16 AML other m 2022-12-31T07:07:04.36
IV.NRCA.HHN. ML:0.5 0.00002251992 0.1216 AML other m 2022-12-31T07:07:05.83
IV.CESI.HHE. ML:0.5 0.000023139055 0.16 AML other m 2022-12-31T07:07:04.64
IV.CESI.HHN. ML:0.4 0.000021483055 0.0992 AML other m 2022-12-31T07:07:04.75
IV.FDMO.HHN. ML:0.4 0.000015617565999999998 0.1792 AML other m 2022-12-31T07:07:07.71
IV.ASSB.HHE. ML:0.5 0.000014311498 0.16 AML other m 2022-12-31T07:07:07.57
IV.ASSB.HHN. ML:0.5 0.000017446504500000002 0.0992 AML other m 2022-12-31T07:07:07.40
IV.LNSS.HHE. ML:0.6 0.000021539832 0.1184 AML other m 2022-12-31T07:07:08.05
IV.LNSS.HHN. ML:0.6 0.00001988819 0.6816 AML other m 2022-12-31T07:07:11.27
IV.MML1.EHN. ML:0.5 0.000013462292500000001 0.1984 AML other m 2022-12-31T07:07:07.92
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