Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 06-12-2022 and time 10:31:04 (Italy) in region 5 km N Pietralunga (PG)

A magnitude ML 1.1 earthquake occured in region: 5 km N Pietralunga (PG), on

  • 06-12-2022 09:31:04 (UTC)
  • 06-12-2022 10:31:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4880, 12.4290 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 5 2111 2111
Apecchio PU 8 1882 3993
Piobbico PU 13 2029 6022
Città di Castello PG 16 39913 45935
Montone PG 16 1680 47615
Cantiano PU 16 2245 49860
Cagli PU 19 8731 58591
Gubbio PG 19 32216 90807
Mercatello sul Metauro PU 19 1378 92185
Sant'Angelo in Vado PU 20 4133 96318

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km N of Perugia (166134 inhabitants)
44 Km E of Arezzo (99543 inhabitants)
61 Km SW of Pesaro (94582 inhabitants)
62 Km SW of Fano (60888 inhabitants)
63 Km NW of Foligno (57155 inhabitants)
65 Km S of Rimini (147750 inhabitants)
74 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)
99 Km SE of Faenza (58541 inhabitants)
99 Km E of Firenze (382808 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 1.1 2022-12-06
09:31:04		 43.4875 12.4288 10 2024-03-01
15:28:12		 Bollettino Sismico Italiano INGV 113036051
Reviewed
Rev100 		ML 1.2 2022-12-06
09:31:04		 43.4832 12.4308 10 2022-12-06
09:37:34		 Sala Sismica INGV-Roma 112556831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-06 09:31:04 ± 0.07
Latitude 43.4875 ± 0.0027
Longitude 12.4288 ± 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 113036051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 290
Semi-minor axis of confidence ellipse (meter) 96
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 160
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
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) 0.37142
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
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 112556831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-06 09:37:34

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 113036051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-28 14:08:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2022-12-06T09:31:14.43 0.3 undecidable manual S 101 29.0487 50 -0.21 69
IV.MURB.HHZ. 2022-12-06T09:31:14.02 0.1 undecidable manual S 163 26.0517 110 0.28 91
IV.ATVA.EHZ. 2022-12-06T09:31:13.15 0.3 undecidable manual S 207 25.9518 110 -0.54 64
IV.ATMI.HHZ. 2022-12-06T09:31:12.37 0.6 undecidable manual S 217 21.3675 114 0.14 47
IV.FRON.EHZ. 2022-12-06T09:31:12.99 0.6 undecidable manual S 82 24.1536 112 -0.12 47
IV.ATSC.EHZ. 2022-12-06T09:31:12.18 0.1 undecidable manual S 109 21.867 114 -0.21 93
IV.ATMC.EHZ. 2022-12-06T09:31:11.47 0.6 undecidable manual S 257 19.5693 116 -0.18 47
IV.CAFI.HHZ. 2022-12-06T09:31:11.99 1.0 negative manual P 245 41.2254 50 -0.08 23
IV.MPAG.EHZ. 2022-12-06T09:31:10.36 1.0 positive manual P 59 30.8469 50 -0.11 23
IV.ATFO.HHZ. 2022-12-06T09:31:10.97 0.6 undecidable manual S 139 17.6712 118 -0.1 48
IV.SSFR.HHZ. 2022-12-06T09:31:10.00 0.6 negative manual P 101 29.0487 50 -0.19 46
IV.BADI.EHZ. 2022-12-06T09:31:10.35 0.6 undecidable manual S 279 15.0738 122 0.06 48
IV.FRON.EHZ. 2022-12-06T09:31:09.18 0.3 positive manual P 82 24.1536 112 -0.12 71
IV.MURB.HHZ. 2022-12-06T09:31:09.82 0.1 undecidable manual P 163 26.0517 110 0.15 93
IV.TB02.DHZ.01 2022-12-06T09:31:09.66 0.3 undecidable manual S 187 13.0758 126 -0.07 73
IV.PARC.HHZ. 2022-12-06T09:31:09.40 0.6 undecidable manual P 319 23.5542 112 0.21 46
IV.PIEI.HHZ. 2022-12-06T09:31:09.43 0.6 undecidable manual S 58 10.0788 134 0.51 44
IV.ATVA.EHZ. 2022-12-06T09:31:09.36 0.6 undecidable manual P 207 25.9518 110 -0.28 45
IV.TB01.DHZ.01 2022-12-06T09:31:09.54 0.1 undecidable manual S 177 11.7771 129 0.17 95
IV.ATSC.EHZ. 2022-12-06T09:31:08.99 0.1 undecidable manual P 109 21.867 114 0.1 95
IV.TB03.DHZ.01 2022-12-06T09:31:08.91 0.1 undecidable manual S 189 9.6792 135 0.09 97
IV.APEC.HHZ. 2022-12-06T09:31:08.32 0.6 undecidable manual S 355 7.881 140 -0.09 49
IV.ATMC.EHZ. 2022-12-06T09:31:08.38 0.1 undecidable manual P 257 19.5693 116 -0.08 96
IV.ATFO.HHZ. 2022-12-06T09:31:08.27 0.6 negative manual P 139 17.6712 118 0.14 47
IV.ATMI.HHZ. 2022-12-06T09:31:08.82 0.6 undecidable manual P 217 21.3675 114 0.02 48
IV.PIEI.HHZ. 2022-12-06T09:31:07.00 0.1 positive manual P 58 10.0788 134 0.12 97
IV.ATPI.EHZ. 2022-12-06T09:31:07.33 0.6 undecidable manual S 208 4.5954 154 -0.46 45
IV.TB01.DHZ.01 2022-12-06T09:31:07.25 0.1 undecidable manual P 177 11.7771 129 0.11 96
IV.BADI.EHZ. 2022-12-06T09:31:07.77 0.1 positive manual P 279 15.0738 122 0.09 96
IV.TB02.DHZ.01 2022-12-06T09:31:07.66 0.1 undecidable manual P 187 13.0758 126 0.31 92
IV.ATPC.HNZ. 2022-12-06T09:31:07.15 0.1 undecidable manual S 109 2.3976 166 -0.37 93
IV.ATPC.HNZ. 2022-12-06T09:31:06.07 0.1 undecidable manual P 109 2.3976 166 -0.01 100
IV.ATPI.EHZ. 2022-12-06T09:31:06.18 0.1 undecidable manual P 208 4.5954 154 -0.05 99
IV.TB03.DHZ.01 2022-12-06T09:31:06.88 0.1 undecidable manual P 189 9.6792 135 0.05 98
IV.APEC.HHZ. 2022-12-06T09:31:06.68 0.3 undecidable manual P 355 7.881 140 0.09 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHN. ML:0.8 0.000089 0.3 AML other m 2022-12-06T09:31:07.31
IV.ATPI.HNN. ML:1.4 0.000507 0.36 AML other m 2022-12-06T09:31:07.60
IV.ATPI.EHN. ML:1.4 0.0004975 0.36 AML other m 2022-12-06T09:31:07.60
IV.ATPI.HNE. ML:1.5 0.000612 0.54 AML other m 2022-12-06T09:31:07.43
IV.ATPI.EHE. ML:1.5 0.0005480000000000001 0.24 AML other m 2022-12-06T09:31:07.44
IV.APEC.HHE. ML:1.5 0.0005225 0.14 AML other m 2022-12-06T09:31:08.50
IV.APEC.HHN. ML:1.3 0.0003015 0.38 AML other m 2022-12-06T09:31:08.48
IV.PIEI.HHE. ML:1.1 0.0001805 0.16 AML other m 2022-12-06T09:31:10.29
IV.BADI.EHN. ML:1.3 0.000176 0.32 AML other m 2022-12-06T09:31:10.50
IV.BADI.EHE. ML:1.3 0.00017749999999999998 1.42 AML other m 2022-12-06T09:31:11.02
IV.ATFO.HHN. ML:1.0 0.0000814 0.16 AML other m 2022-12-06T09:31:11.26
IV.ATFO.HHE. ML:0.9 0.00006775000000000001 1.08 AML other m 2022-12-06T09:31:11.33
IV.ATMI.HHE. ML:0.9 0.000053281285 0.2944 AML other m 2022-12-06T09:31:12.27
IV.FRON.EHE. ML:0.9 0.0000516 1.5 AML other m 2022-12-06T09:31:12.24
IV.ATMI.HHN. ML:1.0 0.000071600165 0.256 AML other m 2022-12-06T09:31:13.39
IV.FRON.EHN. ML:1.0 0.0000645 1.04 AML other m 2022-12-06T09:31:13.00
IV.SSFR.HHE. ML:1.3 0.00010635 1.02 AML other m 2022-12-06T09:31:15.01
IV.MPAG.EHN. ML:0.5 0.0000155958535 0.16 AML other m 2022-12-06T09:31:16.04
IV.MPAG.EHE. ML:0.6 0.000017985699 0.1408 AML other m 2022-12-06T09:31:16.50
IV.SSFR.HHN. ML:1.2 0.0000839 1.06 AML other m 2022-12-06T09:31:16.54
IV.CAFI.HHE. ML:0.5 0.0000112626935 0.4416 AML other m 2022-12-06T09:31:21.91
IV.CAFI.HHN. ML:0.6 0.000016932665 2.5792 AML other m 2022-12-06T09:31:22.72
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