Earthquake with magnitude of ML 1.0 on date 17-07-2023 and time 09:51:40 (UTC) in region 9 km E Valfabbrica (PG)

A magnitude ML 1.0 earthquake occured in region: 9 km E Valfabbrica (PG), on

  • 17-07-2023 09:51:40 (UTC)
  • 17-07-2023 11:51:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1850, 12.7020 at 8 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
Valfabbrica PG 9 3389 3389
Gualdo Tadino PG 9 15208 18597
Nocera Umbra PG 11 5839 24436
Fossato di Vico PG 13 2840 27276
Assisi PG 14 28299 55575
Valtopina PG 15 1398 56973
Sigillo PG 17 2404 59377
Bastia Umbra PG 18 21874 81251
Fiuminata MC 19 1402 82653
Costacciaro PG 20 1216 83869

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of Foligno (57155 inhabitants)
27 Km E of Perugia (166134 inhabitants)
69 Km N of Terni (111501 inhabitants)
73 Km E of Arezzo (99543 inhabitants)
78 Km SW of Fano (60888 inhabitants)
82 Km SW of Ancona (100861 inhabitants)
83 Km S of Pesaro (94582 inhabitants)
98 Km S of Rimini (147750 inhabitants)
98 Km NE of Viterbo (67173 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 1.0 2023-07-17
09:51:40
43.1847 12.7018 8 2023-07-17
10:04:59
Sala Sismica INGV-Roma 119339711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-17 09:51:40 ± 0.34
Latitude 43.1847 ± 0.0099
Longitude 12.7018 ± 0.0370
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119339711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2907
Semi-minor axis of confidence ellipse (meter) 643
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 91
Circular confidence region, given by single value of horizontal uncertainty (meter) 2910.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.51
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37142
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 119339711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-17 10:04:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BAG8.EHZ. 2023-07-17T09:53:09.67 3.0 undecidable manual Sg 17.370001 0
7C.SPAOL.HNZ. 2023-07-17T09:53:04.60 3.0 negative manual Pg 18.530001 0
IV.SCIAC.HHZ. 2023-07-17T09:52:57.78 3.0 negative manual Pg 17.120001 0
IV.MAGA.HHZ. 2023-07-17T09:52:56.95 3.0 undecidable manual Sn 6.57 0
IV.GIZZ.HHZ. 2023-07-17T09:52:48.14 3.0 positive manual Pg 12.47 0
SL.KOGS.BHZ. 2023-07-17T09:52:47.07 3.0 undecidable manual Pg 14.27 0
IV.TDS.HHZ. 2023-07-17T09:52:38.38 3.0 negative manual Pn 8.61 0
IV.NDIM.HNZ. 2023-07-17T09:52:30.20 3.0 undecidable manual Sn -0.03 0
IV.SCHR.EHZ. 2023-07-17T09:52:30.13 3.0 positive manual Pn 7.22 0
OT.OT17.EHZ. 2023-07-17T09:52:05.47 3.0 positive manual Pn -0.87 0
GU.GSCL.HHZ. 2023-07-17T09:52:05.60 3.0 negative manual Pg 9.64 0
IV.SSFR.HHZ. 2023-07-17T09:52:04.85 3.0 undecidable manual Sg 0.81 0
IV.PTRJ.HHZ. 2023-07-17T09:52:03.54 3.0 undecidable manual Pn 1.84 0
IV.PIEI.HHZ. 2023-07-17T09:51:53.28 0.6 undecidable manual S 341 41.2254 50 -0.87 38
IV.ATFO.HHZ. 2023-07-17T09:51:48.28 0.6 undecidable manual S 333 22.755 109 -0.08 50
IV.PIEI.HHZ. 2023-07-17T09:51:48.53 0.6 undecidable manual P 341 41.2254 50 0.36 46
IV.ATSC.EHE. 2023-07-17T09:51:48.31 0.6 undecidable manual S 357 26.5512 107 -1.32 32
IV.ATCC.EHZ. 2023-07-17T09:51:47.18 3.0 undecidable manual S 0
IV.TSM1.DHE. 2023-07-17T09:51:46.96 0.6 undecidable manual S 335 19.7691 112 -0.41 47
IV.ATSC.EHE. 2023-07-17T09:51:45.63 0.1 undecidable manual P 357 26.5512 107 0.07 100
IV.ATFO.HHZ. 2023-07-17T09:51:45.51 0.3 undecidable manual P 333 22.755 109 0.68 64
IV.ASSB.HHZ. 2023-07-17T09:51:45.63 0.6 undecidable manual S 192 16.1727 116 -0.61 45
IV.ATCC.EHZ. 2023-07-17T09:51:44.96 3.0 undecidable manual P 0
IV.CING.HHZ. 2023-07-17T09:51:44.95 3.0 undecidable manual P 0
IV.TSM1.DHE. 2023-07-17T09:51:44.84 0.1 undecidable manual P 335 19.7691 112 0.58 90
IV.FOSV.EHZ. 2023-07-17T09:51:44.73 0.6 undecidable manual S 21 13.1757 121 -0.59 45
IV.ASSB.HHZ. 2023-07-17T09:51:43.48 0.3 undecidable manual P 192 16.1727 116 -0.12 76
IV.FOSV.EHZ. 2023-07-17T09:51:43.72 0.3 negative manual P 21 13.1757 121 0.65 66
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.HNN. ML:1.2 0.000176 1.6 AML other m 2023-07-17T09:51:45.82
IV.FOSV.EHN. ML:1.0 0.000131 0.38 AML other m 2023-07-17T09:51:45.03
IV.FOSV.HNE. ML:1.2 0.00016450000000000001 1.58 AML other m 2023-07-17T09:51:45.91
IV.FOSV.EHE. ML:1.1 0.0001525 1.62 AML other m 2023-07-17T09:51:45.93
IV.ASSB.HHE. ML:0.5 0.000031 0.66 AML other m 2023-07-17T09:51:51.74
IV.ASSB.HHN. ML:0.3 0.000021 0.1 AML other m 2023-07-17T09:51:51.79
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