Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 07-12-2022 and time 03:31:13 (UTC) in region 4 km N Pietralunga (PG)

A magnitude ML 1.6 earthquake occured in region: 4 km N Pietralunga (PG), on

  • 07-12-2022 03:31:13 (UTC)
  • 07-12-2022 04:31:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4810, 12.4320 at 9 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 16 39913 47615
Cantiano PU 16 2245 49860
Gubbio PG 18 32216 82076
Cagli PU 19 8731 90807

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km N of Perugia (166134 inhabitants)
44 Km E of Arezzo (99543 inhabitants)
62 Km SW of Pesaro (94582 inhabitants)
62 Km SW of Fano (60888 inhabitants)
62 Km NW of Foligno (57155 inhabitants)
66 Km S of Rimini (147750 inhabitants)
75 Km S of Cesena (96758 inhabitants)
88 Km SE of Forlì (117913 inhabitants)
89 Km W of Ancona (100861 inhabitants)
91 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 1.6 2022-12-07
03:31:13		 43.4808 12.4318 9 2024-03-01
15:28:24		 Bollettino Sismico Italiano INGV 117425131
Reviewed
Rev100 		ML 1.6 2022-12-07
03:31:13		 43.48 12.429 8 2022-12-07
03:39:43		 Sala Sismica INGV-Roma 112575791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-07 03:31:13 ± 0.03
Latitude 43.4808 ± 0.0018
Longitude 12.4318 ± 0.0025
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117425131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 172
Semi-minor axis of confidence ellipse (meter) 103
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 353
Circular confidence region, given by single value of horizontal uncertainty (meter) 170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 36
Number of associated phases, regardless of their use for origin computation 60
Number of defining phases 60
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.01799
Epicentral distance of station farthest from the epicenter (degree) 0.89572
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 117425131
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-17 13:25:50

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 112575791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-07 03:39:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2022-12-07T03:31:31.39 0.3 undecidable manual P 123 99.4227 50 0.75 52
IV.CRE.HHZ. 2022-12-07T03:31:27.60 0.3 undecidable manual S 292 41.5251 50 -0.07 70
IV.CAFI.HNN. 2022-12-07T03:31:27.62 0.3 undecidable manual S 246 41.1255 50 0.06 71
IV.CSP1.EHZ. 2022-12-07T03:31:27.16 0.3 undecidable manual P 124 75.8685 50 0.15 65
IV.ARVD.HHZ. 2022-12-07T03:31:27.50 0.3 undecidable manual S 87 41.0256 50 -0.05 71
IV.FDMO.HHZ. 2022-12-07T03:31:26.43 0.3 undecidable manual P 133 72.372 50 -0.04 67
IV.ATCC.EHZ. 2022-12-07T03:31:26.50 0.6 undecidable manual S 153 36.8298 50 0.08 47
IV.MGAB.HHZ. 2022-12-07T03:31:25.74 0.3 undecidable manual P 202 68.0763 50 -0.07 67
IV.CING.HHZ. 2022-12-07T03:31:25.10 0.3 undecidable manual P 100 62.5929 50 0.13 67
IV.CESI.HHZ. 2022-12-07T03:31:25.38 0.3 undecidable manual P 144 65.1903 50 0.02 68
IV.FOSV.EHZ. 2022-12-07T03:31:25.60 0.3 undecidable manual S 128 33.6441 50 0.04 72
IV.EL6.EHZ. 2022-12-07T03:31:24.06 0.6 undecidable manual P 107 56.499 50 0.03 46
IV.MML1.EHZ. 2022-12-07T03:31:24.43 0.3 undecidable manual P 133 59.6958 50 -0.08 68
IV.MPAG.EHZ. 2022-12-07T03:31:24.60 0.3 undecidable manual S 58 31.0467 105 -0.16 70
IV.ATVA.EHZ. 2022-12-07T03:31:23.10 0.3 undecidable manual S 208 25.3524 109 0.24 70
IV.ASSB.HHZ. 2022-12-07T03:31:23.06 0.6 undecidable manual P 159 51.9036 50 -0.26 44
IV.SSFR.HHZ. 2022-12-07T03:31:23.60 0.3 undecidable manual S 100 28.6491 107 -0.36 68
IV.MURB.HHZ. 2022-12-07T03:31:23.00 0.3 undecidable manual S 163 25.2525 109 0.16 71
IV.CRTC.HHZ. 2022-12-07T03:31:22.90 0.3 undecidable manual P 48 48.3183 50 0.14 68
IV.SSP9.EHZ. 2022-12-07T03:31:22.70 0.3 undecidable manual S 293 26.2515 108 -0.47 66
IV.PARC.HHZ. 2022-12-07T03:31:22.80 0.3 undecidable manual S 320 24.2535 109 0.3 69
IV.FRON.EHZ. 2022-12-07T03:31:22.30 0.3 undecidable manual S 80 23.9538 110 -0.12 72
IV.ARVD.HHZ. 2022-12-07T03:31:21.47 0.3 undecidable manual P 87 41.0256 50 -0.17 69
IV.CPGN.EHZ. 2022-12-07T03:31:21.43 0.6 undecidable manual P 346 36.6411 50 0.47 44
IV.ATSC.EHZ. 2022-12-07T03:31:21.60 0.3 undecidable manual S 107 21.4674 112 0 74
IV.ATMI.HHZ. 2022-12-07T03:31:21.50 0.3 undecidable manual S 219 20.9679 112 0.07 73
IV.CAFI.HNN. 2022-12-07T03:31:21.38 0.1 undecidable manual P 246 41.1255 50 -0.27 90
IV.CRE.HHZ. 2022-12-07T03:31:21.50 0.6 undecidable manual P 292 41.5251 50 -0.22 46
IV.FOSV.EHZ. 2022-12-07T03:31:20.27 0.3 undecidable manual P 128 33.6441 50 -0.23 69
IV.ATFO.HHZ. 2022-12-07T03:31:20.10 0.3 undecidable manual S 138 16.9719 117 -0.07 73
IV.ATCC.EHZ. 2022-12-07T03:31:20.95 0.3 undecidable manual P 153 36.8298 50 -0.04 71
IV.ATMC.EHZ. 2022-12-07T03:31:20.70 0.3 undecidable manual S 259 19.5693 114 -0.3 70
IV.TB02.DHZ.01 2022-12-07T03:31:19.00 0.3 undecidable manual S 188 12.3765 125 0.2 72
IV.SSP9.EHZ. 2022-12-07T03:31:19.08 0.3 undecidable manual P 293 26.2515 108 -0.04 73
IV.MPAG.EHZ. 2022-12-07T03:31:19.80 0.1 undecidable manual P 58 31.0467 105 -0.23 92
IV.BADI.EHZ. 2022-12-07T03:31:19.70 0.3 undecidable manual S 282 15.3735 119 0 75
IV.SSFR.HHZ. 2022-12-07T03:31:19.30 0.3 undecidable manual P 100 28.6491 107 -0.27 69
IV.MURB.HHZ. 2022-12-07T03:31:18.91 0.3 undecidable manual P 163 25.2525 109 -0.02 73
IV.TB01.DHZ.01 2022-12-07T03:31:18.50 0.3 undecidable manual S 178 10.9779 128 0.08 74
IV.PARC.HHZ. 2022-12-07T03:31:18.75 0.3 undecidable manual P 320 24.2535 109 0.02 73
IV.ATMI.HHZ. 2022-12-07T03:31:18.02 0.3 undecidable manual P 219 20.9679 112 -0.09 73
IV.PE3.EHZ. 2022-12-07T03:31:18.89 0.3 undecidable manual P 12 24.4533 109 0.12 72
IV.PIEI.HHZ. 2022-12-07T03:31:18.40 0.3 undecidable manual S 54 10.2786 130 0.17 73
IV.FRON.EHZ. 2022-12-07T03:31:18.57 0.1 undecidable manual P 80 23.9538 110 -0.12 96
IV.ATVA.EHZ. 2022-12-07T03:31:18.70 0.6 undecidable manual P 208 25.3524 109 -0.24 47
IV.ATSC.EHZ. 2022-12-07T03:31:18.23 0.3 undecidable manual P 107 21.4674 112 0.02 74
IV.ATFO.HHZ. 2022-12-07T03:31:17.41 0.3 undecidable manual P 138 16.9719 117 0.03 74
IV.TB03.DHZ.01 2022-12-07T03:31:17.70 0.3 undecidable manual S 191 8.9799 134 -0.19 73
IV.BADI.EHZ. 2022-12-07T03:31:17.27 0.1 undecidable manual P 282 15.3735 119 0.16 97
IV.ATMC.EHZ. 2022-12-07T03:31:17.76 0.3 undecidable manual P 259 19.5693 114 -0.1 73
IV.APEC.HNZ. 2022-12-07T03:31:17.90 0.3 undecidable manual S 354 8.6802 135 0.09 74
IV.APEC.HNZ. 2022-12-07T03:31:16.22 0.1 undecidable manual P 354 8.6802 135 0.2 97
IV.TB01.DHZ.01 2022-12-07T03:31:16.54 0.1 undecidable manual P 178 10.9779 128 0.17 97
IV.ATPI.EHZ. 2022-12-07T03:31:16.60 0.3 undecidable manual S 215 4.0959 154 -0.28 72
IV.TB03.DHZ.01 2022-12-07T03:31:16.20 0.1 undecidable manual P 191 8.9799 134 0.14 98
IV.TB02.DHZ.01 2022-12-07T03:31:16.76 0.1 undecidable manual P 188 12.3765 125 0.17 97
IV.PIEI.HHZ. 2022-12-07T03:31:16.49 0.1 undecidable manual P 54 10.2786 130 0.23 96
IV.ATPC.HNZ. 2022-12-07T03:31:16.40 0.3 undecidable manual S 90 1.998 167 -0.24 73
IV.ATPI.EHZ. 2022-12-07T03:31:15.56 0.1 undecidable manual P 215 4.0959 154 0.08 100
IV.ATPC.HNZ. 2022-12-07T03:31:15.50 0.1 undecidable manual P 90 1.998 167 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.APEC.HHE. ML:2.2 0.0022199999999999998 0.16 AML other m 2022-12-07T03:31:18.31
IV.APEC.HHN. ML:1.8 0.0010845 0.22 AML other m 2022-12-07T03:31:18.35
IV.PIEI.HNN. ML:1.6 0.0005520000000000001 0.2 AML other m 2022-12-07T03:31:18.80
IV.PIEI.HHN. ML:1.5 0.0004615 0.22 AML other m 2022-12-07T03:31:18.70
IV.PIEI.HNE. ML:1.7 0.0007044999999999999 1.46 AML other m 2022-12-07T03:31:19.90
IV.PIEI.HHE. ML:1.7 0.0007605 1.44 AML other m 2022-12-07T03:31:19.90
IV.BADI.EHE. ML:1.8 0.0007315 0.14 AML other m 2022-12-07T03:31:20.40
IV.ATFO.HHN. ML:1.5 0.0002755 0.22 AML other m 2022-12-07T03:31:20.49
IV.BADI.EHN. ML:2.0 0.000911 0.94 AML other m 2022-12-07T03:31:20.55
IV.ATFO.HHE. ML:1.5 0.0003005 0.18 AML other m 2022-12-07T03:31:20.67
IV.FRON.EHE. ML:1.7 0.00033850000000000004 0.1 AML other m 2022-12-07T03:31:22.43
IV.FRON.EHN. ML:1.7 0.000313 0.14 AML other m 2022-12-07T03:31:22.44
IV.MURB.HHN. ML:2.1 0.0008185 0.34 AML other m 2022-12-07T03:31:23.43
IV.MURB.HNN. ML:2.1 0.000755 0.3 AML other m 2022-12-07T03:31:23.41
IV.ATMI.HHN. ML:1.4 0.00017999999999999998 0.22 AML other m 2022-12-07T03:31:23.62
IV.PARC.HHE. ML:1.5 0.00020150000000000002 1.08 AML other m 2022-12-07T03:31:23.11
IV.PARC.HHN. ML:1.5 0.00020999999999999998 0.1 AML other m 2022-12-07T03:31:23.78
IV.MURB.HHE. ML:2.1 0.0007935 1.06 AML other m 2022-12-07T03:31:23.84
IV.MURB.HNE. ML:2.0 0.0006605 0.6 AML other m 2022-12-07T03:31:23.55
IV.SSFR.HNE. ML:2.0 0.000503 1.32 AML other m 2022-12-07T03:31:24.87
IV.SSFR.HHE. ML:1.9 0.000443 0.18 AML other m 2022-12-07T03:31:24.78
IV.SSFR.HHN. ML:1.8 0.0003665 0.16 AML other m 2022-12-07T03:31:24.87
IV.SSFR.HNN. ML:1.9 0.000373 1.08 AML other m 2022-12-07T03:31:24.34
IV.MPAG.EHN. ML:1.3 0.0000973 0.42 AML other m 2022-12-07T03:31:25.95
IV.FOSV.EHN. ML:1.2 0.00006534999999999999 1.28 AML other m 2022-12-07T03:31:26.22
IV.FOSV.EHE. ML:1.2 0.0000691 1.3 AML other m 2022-12-07T03:31:26.91
IV.MPAG.EHE. ML:1.3 0.00008299999999999998 0.6 AML other m 2022-12-07T03:31:26.70
IV.PE3.EHN. ML:1.4 0.000177 0.28 AML other m 2022-12-07T03:31:26.39
IV.PE3.EHE. ML:1.7 0.00028900000000000003 0.42 AML other m 2022-12-07T03:31:26.59
IV.ATCC.HNN. ML:1.9 0.0003165 0.96 AML other m 2022-12-07T03:31:27.00
IV.ATCC.EHN. ML:1.9 0.000324 0.94 AML other m 2022-12-07T03:31:27.01
IV.ATCC.EHE. ML:1.8 0.0002505 0.96 AML other m 2022-12-07T03:31:27.04
IV.ATCC.HNE. ML:1.9 0.0003105 0.98 AML other m 2022-12-07T03:31:27.03
IV.ARVD.HHN. ML:1.3 0.000071 0.54 AML other m 2022-12-07T03:31:27.60
IV.ARVD.HHE. ML:1.2 0.0000558 0.74 AML other m 2022-12-07T03:31:28.05
IV.CRE.HHN. ML:1.5 0.0000936 0.64 AML other m 2022-12-07T03:31:28.82
IV.CRE.HHE. ML:1.3 0.000060400000000000004 0.66 AML other m 2022-12-07T03:31:28.84
IV.ATMI.HHE. ML:1.4 0.00020050000000000002 0.4 AML other m 2022-12-07T03:31:29.57
IV.ASSB.HHN. ML:1.4 0.00005755 0.36 AML other m 2022-12-07T03:31:31.05
IV.CRTC.HHE. ML:1.6 0.00011094999999999999 0.86 AML other m 2022-12-07T03:31:31.33
IV.ASSB.HHE. ML:1.3 0.0000498 1.14 AML other m 2022-12-07T03:31:32.66
IV.MML1.EHN. ML:1.5 0.00007205 0.34 AML other m 2022-12-07T03:31:33.74
IV.MML1.EHE. ML:1.6 0.0000775 0.5 AML other m 2022-12-07T03:31:33.51
IV.CESI.HHN. ML:1.2 0.000028049999999999997 0.92 AML other m 2022-12-07T03:31:36.46
IV.CESI.HHE. ML:1.2 0.000027999999999999996 0.44 AML other m 2022-12-07T03:31:36.04
IV.CRTC.HHN. ML:1.6 0.00010250000000000001 1.02 AML other m 2022-12-07T03:31:36.30
IV.MGAB.HHN. ML:1.7 0.00008705 0.24 AML other m 2022-12-07T03:31:36.83
IV.FDMO.HHN. ML:1.3 0.000037099999999999994 0.7 AML other m 2022-12-07T03:31:37.39
IV.FDMO.HHE. ML:1.3 0.000028 0.42 AML other m 2022-12-07T03:31:37.40
IV.MGAB.HHE. ML:1.6 0.00007195 0.36 AML other m 2022-12-07T03:31:38.13
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