Earthquake with magnitude of ML 0.9 on date 31-01-2023 and time 19:51:40 (UTC) in region 2 km E Fossato di Vico (PG)

A magnitude ML 0.9 earthquake occured in region: 2 km E Fossato di Vico (PG), on

  • 31-01-2023 19:51:40 (UTC)
  • 31-01-2023 20:51:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2980, 12.7860 at 12 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.

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 2 2840 2840
Sigillo PG 5 2404 5244
Gualdo Tadino PG 7 15208 20452
Costacciaro PG 9 1216 21668
Fabriano AN 11 31480 53148
Esanatoglia MC 14 2034 55182
Scheggia e Pascelupo PG 15 1393 56575
Cerreto d'Esi AN 16 3817 60392
Sassoferrato AN 17 7285 67677
Fiuminata MC 17 1402 69079
Gubbio PG 18 32216 101295
Matelica MC 19 9981 111276
Genga AN 19 1797 113073

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NE of Perugia (166134 inhabitants)
39 Km N of Foligno (57155 inhabitants)
64 Km SW of Fano (60888 inhabitants)
69 Km S of Pesaro (94582 inhabitants)
69 Km SW of Ancona (100861 inhabitants)
75 Km E of Arezzo (99543 inhabitants)
83 Km N of Terni (111501 inhabitants)
87 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
Reviewed
Rev100
ML 0.9 2023-01-31
19:51:40
43.2985 12.7865 12 2023-01-31
20:24:02
Sala Sismica INGV-Roma 113943461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-31 19:51:40 ± 0.09
Latitude 43.2985 ± 0.0045
Longitude 12.7865 ± 0.0099
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 113943461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 643
Semi-minor axis of confidence ellipse (meter) 535
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.34624
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 113943461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-31 20:24:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2023-01-31T19:51:54.02 0.6 undecidable manual S 335 38.4282 91 0.86 37
IV.CESI.HHZ. 2023-01-31T19:51:52.12 0.6 undecidable manual S 164 33.9438 91 0.15 46
IV.PIEI.HHZ. 2023-01-31T19:51:51.64 0.6 undecidable manual S 322 33.2445 91 -0.14 46
IV.FRON.EHZ. 2023-01-31T19:51:49.07 0.6 undecidable manual S 349 24.8529 92 -0.47 44
IV.ARVD.HHZ. 2023-01-31T19:51:49.52 0.6 undecidable manual S 29 25.4523 92 -0.18 47
IV.NARO.HHZ. 2023-01-31T19:51:48.47 0.1 positive manual P 335 38.4282 91 0.68 80
IV.ATFO.HHZ. 2023-01-31T19:51:47.89 0.6 undecidable manual S 294 18.9699 95 -0.08 47
IV.SSFR.HHZ. 2023-01-31T19:51:47.00 0.6 undecidable manual S 359 15.2736 101 0 49
IV.ATCC.EHZ. 2023-01-31T19:51:47.64 0.6 undecidable manual S 223 17.2716 96 0.11 48
IV.PIEI.HHZ. 2023-01-31T19:51:46.59 0.1 undecidable manual P 322 33.2445 91 -0.4 87
IV.SNTG.HHZ. 2023-01-31T19:51:46.51 0.3 undecidable manual S 111 13.3755 108 0.01 73
IV.CESI.HHZ. 2023-01-31T19:51:46.87 0.6 undecidable manual P 164 33.9438 91 -0.24 46
IV.ARVD.HHZ. 2023-01-31T19:51:45.73 0.6 undecidable manual P 29 25.4523 92 -0.06 48
IV.FRON.EHZ. 2023-01-31T19:51:45.43 0.6 undecidable manual P 349 24.8529 92 -0.27 46
IV.SSFR.HHZ. 2023-01-31T19:51:44.11 1.0 undecidable manual P 359 15.2736 101 -0.13 24
IV.FOSV.EHZ. 2023-01-31T19:51:44.41 0.6 undecidable manual S 259 2.0979 167 -0.08 49
IV.ATCC.EHZ. 2023-01-31T19:51:44.56 0.1 positive manual P 223 17.2716 96 0.03 98
IV.ATFO.HHZ. 2023-01-31T19:51:44.70 1.0 positive manual P 294 18.9699 95 -0.09 24
IV.SNTG.HHZ. 2023-01-31T19:51:43.97 0.3 undecidable manual P 111 13.3755 108 0.02 73
IV.FOSV.EHZ. 2023-01-31T19:51:42.83 0.1 negative manual P 259 2.0979 167 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:0.8 0.00009054999999999999 0.26 AML other m 2023-01-31T19:51:44.56
IV.FOSV.EHN. ML:1.0 0.0001452 0.16 AML other m 2023-01-31T19:51:44.54
IV.SNTG.HHN. ML:0.9 0.00006795000000000001 0.24 AML other m 2023-01-31T19:51:46.68
IV.SNTG.HHE. ML:0.6 0.0000337 1.68 AML other m 2023-01-31T19:51:46.95
IV.SSFR.HHN. ML:1.0 0.00009495 0.86 AML other m 2023-01-31T19:51:47.70
IV.SSFR.HHE. ML:1.0 0.00008885 0.78 AML other m 2023-01-31T19:51:48.03
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