Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.6 on date 18-01-2022 and time 13:20:41 (Italy) in region 6 km W Pietralunga (PG)

A magnitude ML 0.6 earthquake occured in region: 6 km W Pietralunga (PG), on

  • 18-01-2022 12:20:41 (UTC)
  • 18-01-2022 13:20:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4570, 12.3660 at 4 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.

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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 6 2111 2111
Città di Castello PG 10 39913 42024
Montone PG 11 1680 43704
Apecchio PU 12 1882 45586
Monte Santa Maria Tiberina PG 17 1183 46769
Umbertide PG 17 16681 63450
San Giustino PG 18 11297 74747
Piobbico PU 19 2029 76776

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Perugia (166134 inhabitants)
39 Km E of Arezzo (99543 inhabitants)
62 Km NW of Foligno (57155 inhabitants)
67 Km SW of Pesaro (94582 inhabitants)
68 Km SW of Fano (60888 inhabitants)
69 Km S of Rimini (147750 inhabitants)
76 Km S of Cesena (96758 inhabitants)
85 Km E of Siena (53903 inhabitants)
89 Km SE of Forlì (117913 inhabitants)
95 Km W of Ancona (100861 inhabitants)
96 Km E of Firenze (382808 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
Reviewed
Rev100 		ML 0.6 2022-01-18
12:20:41		 43.4572 12.3663 5 2022-01-18
13:15:36		 Sala Sismica INGV-Roma 99904511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-18 12:20:41 ± 0.13
Latitude 43.4572 ± 0.0036
Longitude 12.3663 ± 0.0050
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 99904511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 400
Semi-minor axis of confidence ellipse (meter) 174
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 56
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 142
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26800
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 99904511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-18 13:15:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.ZAG.BHZ. 2022-01-18T12:22:18.46 3.0 undecidable manual Sn 2.09 0
OX.MPRI.HHZ. 2022-01-18T12:22:08.70 3.0 undecidable manual Sg 6.33 0
IV.ERC.EHZ. 2022-01-18T12:22:03.67 3.0 undecidable manual Pg 11.8 0
IX.SSB3.HHZ.02 2022-01-18T12:21:59.23 3.0 undecidable manual Sn 1.28 0
IV.PTRJ.HHZ. 2022-01-18T12:21:49.78 3.0 undecidable manual Sg 5.68 0
IV.CMPR.HHZ. 2022-01-18T12:21:41.37 3.0 undecidable manual Pg 10.91 0
RD.PGF.BHZ. 2022-01-18T12:21:25.36 3.0 positive manual Pg 7.9 0
IV.PTRJ.HHZ. 2022-01-18T12:21:14.60 3.0 undecidable manual Pn 0.41 0
IV.FIR.HHZ. 2022-01-18T12:21:11.91 3.0 undecidable manual S -0.44 0
IV.PESA.HHZ. 2022-01-18T12:20:54.37 3.0 undecidable manual P 1.84 0
IV.ARVD.HHZ. 2022-01-18T12:20:53.39 3.0 undecidable manual S -1 0
IV.FRON.EHZ. 2022-01-18T12:20:51.56 0.6 undecidable manual S 77 29.748 99 -0.61 42
IV.PARC.HHZ. 2022-01-18T12:20:50.04 0.3 undecidable manual S 334 23.5542 101 -0.04 73
IV.FRON.EHZ. 2022-01-18T12:20:48.20 0.3 undecidable manual P 77 29.748 99 0.44 66
IV.PIEI.HHZ. 2022-01-18T12:20:47.76 0.1 undecidable manual S 57 16.1727 106 0.21 95
IV.PARC.HHZ. 2022-01-18T12:20:46.30 0.3 undecidable manual P 334 23.5542 101 -0.25 70
IV.APEC.HHZ. 2022-01-18T12:20:46.33 0.3 undecidable manual S 21 12.0768 111 0.13 73
IV.GAVE.EHZ. 2022-01-18T12:20:46.39 3.0 positive manual P -1.07 0
IV.BADI.EHZ. 2022-01-18T12:20:46.21 0.1 undecidable manual S 301 11.3775 112 0.21 96
IV.TB02.DHZ.01 2022-01-18T12:20:45.00 3.0 undecidable manual S 0
IV.ATVO.HNN. 2022-01-18T12:20:45.46 0.1 undecidable manual S 159 8.9799 117 0.24 95
IV.ATPC.HHE. 2022-01-18T12:20:45.07 0.1 undecidable manual S 70 7.7811 120 0.22 96
IV.BADI.EHZ. 2022-01-18T12:20:44.17 0.1 undecidable manual P 301 11.3775 112 -0.03 99
IV.TB03.DH2.01 2022-01-18T12:20:44.56 0.1 undecidable manual S 150 7.1928 122 -0.11 98
IV.PIEI.HHZ. 2022-01-18T12:20:44.99 0.1 undecidable manual P 57 16.1727 106 -0.11 97
IV.TB03.DH2.01 2022-01-18T12:20:43.41 0.1 undecidable manual P 150 7.1928 122 -0.02 100
IV.ATPC.HHE. 2022-01-18T12:20:43.59 0.1 undecidable manual P 70 7.7811 120 0.05 99
IV.APEC.HHZ. 2022-01-18T12:20:43.97 0.3 undecidable manual P 21 12.0768 111 -0.35 70
IV.ATPI.EHZ. 2022-01-18T12:20:43.44 0.1 undecidable manual S 104 2.997 146 -0.18 98
IV.ATVO.HNN. 2022-01-18T12:20:43.73 0.1 undecidable manual P 159 8.9799 117 -0.02 100
IV.ATPI.EHZ. 2022-01-18T12:20:42.68 0.1 undecidable manual P 104 2.997 146 -0.14 98
IV.TB02.DHZ.01 2022-01-18T12:20:40.99 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BADI.EHN. ML:0.9 0.0001075 0.64 AML other m 2022-01-18T12:20:46.43
IV.BADI.EHE. ML:0.8 0.00009905 0.44 AML other m 2022-01-18T12:20:46.70
IV.PIEI.HHE. ML:0.5 0.000028700000000000003 0.12 AML other m 2022-01-18T12:20:48.24
IV.PIEI.HHN. ML:0.4 0.00002575 0.8 AML other m 2022-01-18T12:20:48.54
IV.GAVE.EHN. ML:1.4 0.0000312 0.52 AML other m 2022-01-18T12:20:49.98
IV.GAVE.EHE. ML:1.6 0.0000468 0.06 AML other m 2022-01-18T12:20:50.93
IV.ATPI.HNE. ML:0.0 0.0003610394 0.096 AML other m 2022-01-18T12:20:43.51
IV.ATPI.HNN. ML:0.0 0.0002401737 0.0896 AML other m 2022-01-18T12:20:43.60
IV.APEC.HHE. ML:0.4 0.000037189955 0.2176 AML other m 2022-01-18T12:20:48.57
IV.APEC.HHN. ML:0.4 0.000041048585 0.3008 AML other m 2022-01-18T12:20:48.91
IV.PARC.HHE. ML:0.6 0.000023230899999999998 0.5824 AML other m 2022-01-18T12:20:51.03
IV.PARC.HHN. ML:0.5 0.000022178984999999998 0.16 AML other m 2022-01-18T12:20:51.04
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