Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 18-02-2023 and time 05:01:29 (Italy) in region 8 km W Fossato di Vico (PG)

A magnitude ML 1.6 earthquake occured in region: 8 km W Fossato di Vico (PG), on

  • 18-02-2023 04:01:29 (UTC)
  • 18-02-2023 05:01:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2660, 12.6660 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
Fossato di Vico PG 8 2840 2840
Sigillo PG 10 2404 5244
Gualdo Tadino PG 10 15208 20452
Costacciaro PG 11 1216 21668
Gubbio PG 12 32216 53884
Valfabbrica PG 13 3389 57273
Scheggia e Pascelupo PG 15 1393 58666
Nocera Umbra PG 20 5839 64505

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Perugia (166134 inhabitants)
35 Km N of Foligno (57155 inhabitants)
67 Km E of Arezzo (99543 inhabitants)
70 Km SW of Fano (60888 inhabitants)
74 Km S of Pesaro (94582 inhabitants)
78 Km N of Terni (111501 inhabitants)
79 Km W of Ancona (100861 inhabitants)
89 Km S of Rimini (147750 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 2023-02-18
04:01:29		 43.2663 12.6662 10 2024-03-01
17:18:15		 Bollettino Sismico Italiano INGV 120581361
Reviewed
Rev100 		ML 1.6 2023-02-18
04:01:29		 43.2663 12.6667 10 2023-02-18
04:08:10		 Sala Sismica INGV-Roma 114533361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-18 04:01:29 ± 0.04
Latitude 43.2663 ± 0.0018
Longitude 12.6662 ± 0.0025
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 120581361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 278
Semi-minor axis of confidence ellipse (meter) 122
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 58
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.07464
Epicentral distance of station farthest from the epicenter (degree) 0.80220
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 120581361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-11-03 11:11:25

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 114533361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-18 04:08:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2023-02-18T04:01:50.89 0.6 undecidable manual S 127 67.2771 50 0.58 40
IV.NRCA.HHZ. 2023-02-18T04:01:48.76 0.6 undecidable manual S 143 60.1953 50 0.33 43
IV.MOMA.HHZ. 2023-02-18T04:01:46.25 0.6 undecidable manual S 189 51.9036 50 0.04 47
IV.SMA1.EHZ. 2023-02-18T04:01:45.36 0.3 undecidable manual P 142 89.0442 50 0.45 60
IV.CSP1.EHZ. 2023-02-18T04:01:45.48 0.6 undecidable manual S 114 47.7189 50 0.4 44
IV.BADI.EHZ. 2023-02-18T04:01:44.46 0.6 undecidable manual S 309 43.4232 50 0.51 43
IV.CING.HHZ. 2023-02-18T04:01:44.62 0.3 undecidable manual S 74 44.4222 50 0.41 66
IV.FDMO.HHZ. 2023-02-18T04:01:43.94 0.6 undecidable manual S 127 42.5241 50 0.22 46
IV.MPAG.EHZ. 2023-02-18T04:01:43.66 0.6 undecidable manual S 11 40.9257 50 0.37 45
IV.NARO.HHZ. 2023-02-18T04:01:42.68 0.6 undecidable manual S 350 38.8278 50 -0.04 48
IV.ATMI.HHZ. 2023-02-18T04:01:41.25 0.6 undecidable manual S 283 33.0447 50 0.08 48
IV.MMO1.EHZ. 2023-02-18T04:01:41.44 0.1 negative manual P 127 67.2771 50 -0.11 90
IV.CESI.HHZ. 2023-02-18T04:01:41.41 0.6 undecidable manual S 146 34.8429 50 -0.25 46
IV.EL6.EHZ. 2023-02-18T04:01:41.91 0.3 undecidable manual S 79 35.8419 50 -0.01 73
IV.ARVD.HHZ. 2023-02-18T04:01:41.48 0.6 undecidable manual S 41 33.9438 50 0.06 48
IV.ATPI.EHZ. 2023-02-18T04:01:40.06 0.6 undecidable manual S 314 29.5482 50 -0.18 47
IV.GUMA.HHZ. 2023-02-18T04:01:40.60 0.3 undecidable manual P 112 58.6968 50 0.37 65
IV.PIEI.HHZ. 2023-02-18T04:01:40.69 0.6 undecidable manual S 341 31.6461 50 -0.13 48
IV.MC2.EHZ. 2023-02-18T04:01:40.02 1.0 undecidable manual P 133 57.7977 50 -0.08 23
IV.ATPC.HHE. 2023-02-18T04:01:40.48 0.6 undecidable manual S 325 29.1486 50 0.34 46
IV.MML1.EHZ. 2023-02-18T04:01:40.40 0.3 undecidable manual S 124 29.9478 50 0.05 73
IV.NRCA.HHZ. 2023-02-18T04:01:40.26 0.3 undecidable manual P 143 60.1953 50 -0.2 67
IV.FRON.EHZ. 2023-02-18T04:01:39.55 0.6 undecidable manual S 10 28.2495 50 -0.36 46
IV.ATBU.EHZ. 2023-02-18T04:01:39.43 0.6 undecidable manual S 338 25.0527 111 0.51 44
IV.PARC.HHZ. 2023-02-18T04:01:39.87 0.1 positive manual P 321 54.6009 50 0.27 89
IV.CSP1.EHZ. 2023-02-18T04:01:38.45 0.1 negative manual P 114 47.7189 50 -0.08 94
IV.MOMA.HHZ. 2023-02-18T04:01:38.97 0.1 positive manual P 189 51.9036 50 -0.21 90
IV.BADI.EHZ. 2023-02-18T04:01:38.01 0.1 positive manual P 309 43.4232 50 0.13 93
IV.CING.HHZ. 2023-02-18T04:01:38.25 0.3 undecidable manual P 74 44.4222 50 0.22 69
IV.SSFR.HHZ. 2023-02-18T04:01:37.62 0.6 undecidable manual S 26 21.0678 115 0 50
IV.MPAG.EHZ. 2023-02-18T04:01:37.43 0.1 positive manual P 11 40.9257 50 -0.07 95
IV.SNTG.HHZ. 2023-02-18T04:01:37.87 0.6 undecidable manual S 93 22.1556 114 -0.12 49
IV.FDMO.HHZ. 2023-02-18T04:01:37.50 0.1 negative manual P 127 42.5241 50 -0.25 91
IV.TSM2.DHN. 2023-02-18T04:01:37.16 0.6 undecidable manual S 315 20.2686 116 -0.21 48
IV.ATSC.EHE. 2023-02-18T04:01:36.55 0.6 undecidable manual S 5 17.5713 119 0.01 50
IV.ARVD.HHZ. 2023-02-18T04:01:36.30 0.1 positive manual P 41 33.9438 50 -0.12 95
IV.ATMI.HHZ. 2023-02-18T04:01:36.34 0.3 undecidable manual P 283 33.0447 50 0.06 72
IV.NARO.HHZ. 2023-02-18T04:01:36.55 0.3 undecidable manual P 350 38.8278 50 -0.62 62
IV.CESI.HHZ. 2023-02-18T04:01:36.20 0.1 negative manual P 146 34.8429 50 -0.35 91
IV.EL6.EHZ. 2023-02-18T04:01:36.60 0.3 undecidable manual P 79 35.8419 50 -0.11 71
IV.MML1.EHZ. 2023-02-18T04:01:35.50 0.1 negative manual P 124 29.9478 50 -0.31 92
IV.ATPI.EHZ. 2023-02-18T04:01:35.59 0.1 negative manual P 314 29.5482 50 -0.15 96
IV.PIEI.HHZ. 2023-02-18T04:01:35.87 0.6 undecidable manual P 341 31.6461 50 -0.2 47
IV.ATPC.HHE. 2023-02-18T04:01:35.53 0.1 undecidable manual P 325 29.1486 50 -0.15 96
IV.ATFO.HHZ. 2023-02-18T04:01:35.40 0.6 undecidable manual S 326 13.4754 126 0.05 50
IV.FRON.EHZ. 2023-02-18T04:01:35.27 0.1 positive manual P 10 28.2495 50 -0.28 93
IV.ATBU.EHZ. 2023-02-18T04:01:35.02 0.1 undecidable manual P 338 25.0527 111 0.05 98
IV.ATCC.EHZ. 2023-02-18T04:01:34.20 0.6 undecidable manual S 193 9.2796 136 -0.03 51
IV.SSFR.HHZ. 2023-02-18T04:01:34.18 0.1 positive manual P 26 21.0678 115 -0.05 99
IV.MURB.HHZ. 2023-02-18T04:01:34.82 0.6 undecidable manual S 268 11.4774 130 0.03 50
IV.SNTG.HHZ. 2023-02-18T04:01:34.42 0.1 negative manual P 93 22.1556 114 -0.02 99
IV.FOSV.EHZ. 2023-02-18T04:01:33.88 0.6 undecidable manual S 68 8.2806 139 -0.13 50
IV.ATFO.HHZ. 2023-02-18T04:01:33.05 0.1 negative manual P 326 13.4754 126 0.14 98
IV.TSM2.DHN. 2023-02-18T04:01:33.93 0.1 undecidable manual P 315 20.2686 116 -0.15 97
IV.ATSC.EHE. 2023-02-18T04:01:33.64 0.1 undecidable manual P 5 17.5713 119 0.04 100
IV.FOSV.EHZ. 2023-02-18T04:01:32.24 0.1 positive manual P 68 8.2806 139 0.1 100
IV.ATCC.EHZ. 2023-02-18T04:01:32.38 0.1 positive manual P 193 9.2796 136 0.11 100
IV.MURB.HHZ. 2023-02-18T04:01:32.77 0.1 negative manual P 268 11.4774 130 0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:1.8 0.0008719999999999999 0.28 AML other m 2023-02-18T04:01:34.20
IV.FOSV.HNN. ML:1.8 0.0008855 0.4 AML other m 2023-02-18T04:01:34.20
IV.ATCC.EHE. ML:2.0 0.0012050000000000001 0.2 AML other m 2023-02-18T04:01:34.33
IV.ATCC.HNE. ML:1.8 0.0009119999999999999 0.32 AML other m 2023-02-18T04:01:34.33
IV.FOSV.HNE. ML:1.7 0.000653 0.32 AML other m 2023-02-18T04:01:34.24
IV.FOSV.EHE. ML:1.7 0.0006599999999999999 0.32 AML other m 2023-02-18T04:01:34.25
IV.ATCC.HNN. ML:2.0 0.001295 0.18 AML other m 2023-02-18T04:01:34.33
IV.ATCC.EHN. ML:1.9 0.001023 0.2 AML other m 2023-02-18T04:01:34.42
IV.MURB.HHN. ML:2.1 0.00146 0.82 AML other m 2023-02-18T04:01:35.44
IV.MURB.HHE. ML:2.4 0.0030150000000000003 0.2 AML other m 2023-02-18T04:01:35.34
IV.MURB.HNE. ML:2.4 0.002935 0.22 AML other m 2023-02-18T04:01:35.34
IV.MURB.HNN. ML:2.0 0.001135 0.96 AML other m 2023-02-18T04:01:35.16
IV.ATFO.HHE. ML:1.5 0.000324 0.48 AML other m 2023-02-18T04:01:35.62
IV.ATFO.HHN. ML:1.5 0.000311 0.28 AML other m 2023-02-18T04:01:36.20
IV.SSFR.HHN. ML:1.7 0.00034550000000000005 0.16 AML other m 2023-02-18T04:01:38.09
IV.SSFR.HNN. ML:1.8 0.000533 0.14 AML other m 2023-02-18T04:01:38.09
IV.SNTG.HHN. ML:1.8 0.000425 0.22 AML other m 2023-02-18T04:01:38.12
IV.SNTG.HNN. ML:1.8 0.000443 1.06 AML other m 2023-02-18T04:01:38.12
IV.SSFR.HNE. ML:1.8 0.00044050000000000003 1.06 AML other m 2023-02-18T04:01:38.76
IV.SSFR.HHE. ML:1.7 0.00035499999999999996 1.06 AML other m 2023-02-18T04:01:38.23
IV.SNTG.HHE. ML:1.4 0.0001815 1.18 AML other m 2023-02-18T04:01:38.99
IV.SNTG.HNE. ML:1.5 0.0002185 1.44 AML other m 2023-02-18T04:01:38.99
IV.FRON.EHN. ML:1.7 0.0002495 0.08 AML other m 2023-02-18T04:01:40.30
IV.ATPI.EHE. ML:1.5 0.00015450000000000001 0.2 AML other m 2023-02-18T04:01:40.41
IV.ATPI.EHN. ML:1.4 0.0001394 0.3 AML other m 2023-02-18T04:01:40.42
IV.FRON.EHE. ML:1.5 0.0001615 0.32 AML other m 2023-02-18T04:01:40.73
IV.MML1.EHE. ML:1.2 0.0000776 0.84 AML other m 2023-02-18T04:01:41.58
IV.PIEI.HHN. ML:1.3 0.00009975 0.4 AML other m 2023-02-18T04:01:41.67
IV.PIEI.HHE. ML:1.6 0.00017649999999999998 0.92 AML other m 2023-02-18T04:01:41.17
IV.ARVD.HHE. ML:1.4 0.00010614999999999999 1.08 AML other m 2023-02-18T04:01:42.14
IV.ARVD.HHN. ML:1.3 0.00008365 1.56 AML other m 2023-02-18T04:01:42.98
IV.CESI.HHE. ML:1.5 0.000129 0.1 AML other m 2023-02-18T04:01:42.28
IV.EL6.EHE. ML:1.9 0.0002845 0.92 AML other m 2023-02-18T04:01:42.31
IV.EL6.EHN. ML:1.8 0.00028000000000000003 1.56 AML other m 2023-02-18T04:01:43.05
IV.NARO.HHE. ML:1.4 0.00009545 0.16 AML other m 2023-02-18T04:01:43.29
IV.CESI.HHN. ML:1.4 0.00009455 0.46 AML other m 2023-02-18T04:01:43.77
IV.ATMI.HHE. ML:1.3 0.0000802 0.56 AML other m 2023-02-18T04:01:44.09
IV.NARO.HHN. ML:1.3 0.00007225000000000001 0.58 AML other m 2023-02-18T04:01:44.11
IV.MML1.EHN. ML:1.2 0.0000778 0.22 AML other m 2023-02-18T04:01:44.13
IV.ATMI.HHN. ML:1.3 0.00009709999999999999 0.46 AML other m 2023-02-18T04:01:44.36
IV.FDMO.HHN. ML:1.0 0.00003545 0.5 AML other m 2023-02-18T04:01:45.34
IV.FDMO.HHE. ML:1.2 0.0000513 0.12 AML other m 2023-02-18T04:01:45.11
IV.CING.HHE. ML:1.6 0.00011499999999999999 0.72 AML other m 2023-02-18T04:01:45.11
IV.BADI.EHN. ML:1.4 0.0000829 0.26 AML other m 2023-02-18T04:01:45.03
IV.CING.HHN. ML:1.6 0.000132 0.12 AML other m 2023-02-18T04:01:45.29
IV.MPAG.EHN. ML:1.0 0.00002855 0.28 AML other m 2023-02-18T04:01:45.46
IV.BADI.EHE. ML:1.5 0.000103 1.08 AML other m 2023-02-18T04:01:45.37
IV.MPAG.EHE. ML:1.0 0.00003645 1.02 AML other m 2023-02-18T04:01:47.09
IV.MOMA.HHN. ML:1.3 0.00004565 0.36 AML other m 2023-02-18T04:01:47.24
IV.MOMA.HHE. ML:1.3 0.00005605 0.2 AML other m 2023-02-18T04:01:47.50
IV.NRCA.HHN. ML:1.6 0.0000871 0.3 AML other m 2023-02-18T04:01:49.60
IV.PARC.HHN. ML:1.1 0.000029999999999999997 0.18 AML other m 2023-02-18T04:01:49.78
IV.NRCA.HHE. ML:1.6 0.00007489999999999999 1.86 AML other m 2023-02-18T04:01:49.06
IV.PARC.HHE. ML:1.1 0.0000303 0.6 AML other m 2023-02-18T04:01:50.83
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