Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 06-12-2022 and time 11:06:31 (UTC) in region 4 km N Pietralunga (PG)

A magnitude ML 1.2 earthquake occured in region: 4 km N Pietralunga (PG), on

  • 06-12-2022 11:06:31 (UTC)
  • 06-12-2022 12:06:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4770, 12.4270 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Pietralunga PG 4 2111 2111
Apecchio PU 9 1882 3993
Piobbico PU 14 2029 6022
Montone PG 15 1680 7702
Città di Castello PG 15 39913 47615
Cantiano PU 16 2245 49860
Gubbio PG 18 32216 82076
Cagli PU 20 8731 90807

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km N of Perugia (166134 inhabitants)
44 Km E of Arezzo (99543 inhabitants)
62 Km NW of Foligno (57155 inhabitants)
62 Km SW of Pesaro (94582 inhabitants)
63 Km SW of Fano (60888 inhabitants)
66 Km S of Rimini (147750 inhabitants)
75 Km S of Cesena (96758 inhabitants)
89 Km SE of Forlì (117913 inhabitants)
89 Km W of Ancona (100861 inhabitants)
90 Km E of Siena (53903 inhabitants)
100 Km SE of Faenza (58541 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
Bulletin
Rev1000 		ML 1.2 2022-12-06
11:06:31		 43.4768 12.4272 10 2024-03-01
15:28:12		 Bollettino Sismico Italiano INGV 113036601
Reviewed
Rev100 		ML 1.4 2022-12-06
11:06:31		 43.4847 12.4303 10 2022-12-06
11:19:33		 Sala Sismica INGV-Roma 112559591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-06 11:06:31 ± 0.05
Latitude 43.4768 ± 0.0018
Longitude 12.4272 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113036601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 246
Semi-minor axis of confidence ellipse (meter) 146
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 125
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 40
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.02158
Epicentral distance of station farthest from the epicenter (degree) 0.37232
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 113036601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-12-23 10:12:46

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 23
Type of magnitude ML
Reference to an origin 112559591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-06 11:19:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRE.HHZ. 2022-12-06T11:06:44.92 0.6 undecidable manual S 293 41.3253 50 -0.09 47
IV.MPAG.EHZ. 2022-12-06T11:06:42.11 0.6 undecidable manual S 58 31.6461 50 -0.3 45
IV.MURB.HHZ. 2022-12-06T11:06:41.00 0.6 undecidable manual S 162 24.9528 112 0.43 45
IV.PE3.EHZ. 2022-12-06T11:06:41.01 0.3 undecidable manual S 13 24.9528 112 0.46 66
IV.SSFR.HHZ. 2022-12-06T11:06:41.40 0.6 undecidable manual S 99 28.9488 50 -0.3 46
IV.PARC.HHZ. 2022-12-06T11:06:40.53 0.6 undecidable manual S 322 24.3534 112 0.17 47
IV.FRON.EHZ. 2022-12-06T11:06:40.07 0.6 undecidable manual S 79 24.4533 112 -0.32 46
IV.ATVA.EHZ. 2022-12-06T11:06:40.22 0.1 undecidable manual S 208 24.753 112 -0.29 92
IV.CRE.HHZ. 2022-12-06T11:06:39.30 0.6 positive manual P 293 41.3253 50 0.11 46
IV.CAFI.HHZ. 2022-12-06T11:06:39.19 1.0 undecidable manual P 246 40.626 50 0.12 23
IV.ATSC.EHN. 2022-12-06T11:06:39.58 0.6 undecidable manual S 106 21.6672 114 0.06 48
IV.ATMC.EHE. 2022-12-06T11:06:38.62 0.6 undecidable manual S 260 19.1697 117 -0.11 48
IV.ATMI.HHZ. 2022-12-06T11:06:38.95 0.6 undecidable manual S 219 20.3685 116 -0.15 48
IV.ATCC.EHZ. 2022-12-06T11:06:38.59 0.1 undecidable manual P 152 36.6411 50 0.12 93
IV.SSFR.HHZ. 2022-12-06T11:06:37.18 0.6 undecidable manual P 99 28.9488 50 -0.1 47
IV.BADI.EHZ. 2022-12-06T11:06:37.36 0.6 undecidable manual S 284 15.1737 123 -0.17 48
IV.MPAG.EHZ. 2022-12-06T11:06:37.56 0.6 positive manual P 58 31.6461 50 -0.13 47
IV.TB02.DHE.01 2022-12-06T11:06:36.96 0.6 undecidable manual S 187 11.877 130 0.35 46
IV.ATSC.EHN. 2022-12-06T11:06:36.08 0.3 undecidable manual P 106 21.6672 114 0.06 73
IV.FRON.EHZ. 2022-12-06T11:06:36.38 0.1 positive manual P 79 24.4533 112 -0.15 95
IV.ATVA.EHZ. 2022-12-06T11:06:36.15 0.1 undecidable manual P 208 24.753 112 -0.44 89
IV.MURB.HHZ. 2022-12-06T11:06:36.94 0.3 positive manual P 162 24.9528 112 0.31 69
IV.PE3.EHZ. 2022-12-06T11:06:36.78 0.1 undecidable manual P 13 24.9528 112 0.16 94
IV.TB01.DHE.01 2022-12-06T11:06:36.43 0.6 undecidable manual S 176 10.5783 133 0.16 48
IV.PARC.HHZ. 2022-12-06T11:06:36.72 0.1 undecidable manual P 322 24.3534 112 0.21 94
IV.ATMC.EHE. 2022-12-06T11:06:35.50 0.3 undecidable manual P 260 19.1697 117 -0.07 73
IV.APEC.HNZ. 2022-12-06T11:06:35.68 0.1 undecidable manual S 356 9.0798 137 -0.22 96
IV.ATMI.HHZ. 2022-12-06T11:06:35.95 1.0 undecidable manual P 219 20.3685 116 0.17 24
IV.TB03.DH2.01 2022-12-06T11:06:35.88 0.6 undecidable manual S 189 8.4804 139 0.11 49
IV.ATFO.HHZ. 2022-12-06T11:06:35.15 1.0 positive manual P 136 16.872 120 -0.01 25
IV.TB01.DHE.01 2022-12-06T11:06:34.39 0.3 undecidable manual P 176 10.5783 133 0.24 71
IV.TB03.DH2.01 2022-12-06T11:06:34.03 0.3 undecidable manual P 189 8.4804 139 0.18 73
IV.ATPC.HHE. 2022-12-06T11:06:34.38 0.6 undecidable manual S 80 2.3976 166 -0.4 47
IV.TB02.DHE.01 2022-12-06T11:06:34.58 0.3 undecidable manual P 187 11.877 130 0.23 71
IV.PIEI.HHZ. 2022-12-06T11:06:34.20 0.1 positive manual P 53 10.878 132 0.01 100
IV.ATPI.HNE. 2022-12-06T11:06:34.45 0.6 undecidable manual S 215 3.4965 160 -0.44 46
IV.BADI.EHZ. 2022-12-06T11:06:34.94 0.1 positive manual P 284 15.1737 123 0.07 98
IV.ATPI.HNE. 2022-12-06T11:06:33.36 0.3 undecidable manual P 215 3.4965 160 0.01 76
IV.APEC.HNZ. 2022-12-06T11:06:33.92 0.1 undecidable manual P 356 9.0798 137 -0.01 100
IV.ATPC.HHE. 2022-12-06T11:06:33.20 0.3 undecidable manual P 80 2.3976 166 -0.09 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHE. ML:1.2 0.00016949999999999997 0.12 AML other m 2022-12-06T11:06:34.73
IV.PIEI.HHN. ML:1.0 0.0001095 0.06 AML other m 2022-12-06T11:06:37.97
IV.BADI.EHE. ML:1.4 0.000257 1.02 AML other m 2022-12-06T11:06:38.74
IV.ATFO.HHN. ML:1.0 0.0000922 0.6 AML other m 2022-12-06T11:06:38.47
IV.BADI.EHN. ML:1.4 0.000258 0.4 AML other m 2022-12-06T11:06:38.36
IV.ATMI.HHE. ML:1.1 0.0000988 0.54 AML other m 2022-12-06T11:06:39.55
IV.ATFO.HHE. ML:1.0 0.00008499999999999999 0.68 AML other m 2022-12-06T11:06:40.89
IV.FRON.EHE. ML:1.2 0.00008795 0.7 AML other m 2022-12-06T11:06:40.27
IV.FRON.EHN. ML:1.2 0.0001028 0.16 AML other m 2022-12-06T11:06:40.72
IV.ATMI.HHN. ML:1.1 0.00009565 0.6 AML other m 2022-12-06T11:06:40.93
IV.MURB.HHE. ML:1.5 0.0002055 0.24 AML other m 2022-12-06T11:06:41.69
IV.MURB.HHN. ML:1.5 0.00017999999999999998 1.74 AML other m 2022-12-06T11:06:42.87
IV.ATCC.EHN. ML:1.2 0.00006205 0.92 AML other m 2022-12-06T11:06:45.25
IV.ATCC.EHE. ML:1.4 0.0000993 0.88 AML other m 2022-12-06T11:06:45.15
IV.CRE.HHE. ML:1.0 0.0000329 1.3 AML other m 2022-12-06T11:06:45.93
IV.CRE.HHN. ML:1.3 0.00006120000000000001 0.2 AML other m 2022-12-06T11:06:46.36
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