Earthquake with magnitude of ML 0.3 on date 20-08-2023 and time 08:20:55 (Italy) in region 7 km E Fossato di Vico (PG)

A magnitude ML 0.3 earthquake occured in region: 7 km E Fossato di Vico (PG), on

  • 20-08-2023 06:20:55 (UTC)
  • 20-08-2023 08:20:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2880, 12.8490 at 13 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 7 2840 2840
Fabriano AN 7 31480 34320
Gualdo Tadino PG 8 15208 49528
Esanatoglia MC 9 2034 51562
Sigillo PG 10 2404 53966
Cerreto d'Esi AN 12 3817 57783
Fiuminata MC 13 1402 59185
Matelica MC 14 9981 69166
Costacciaro PG 14 1216 70382
Pioraco MC 16 1134 71516
Sassoferrato AN 17 7285 78801
Genga AN 17 1797 80598
Sefro MC 18 422 81020
Gagliole MC 19 620 81640
Castelraimondo MC 19 4587 86227
Scheggia e Pascelupo PG 20 1393 87620

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NE of Foligno (57155 inhabitants)
42 Km E of Perugia (166134 inhabitants)
63 Km S of Fano (60888 inhabitants)
65 Km SW of Ancona (100861 inhabitants)
70 Km S of Pesaro (94582 inhabitants)
81 Km E of Arezzo (99543 inhabitants)
82 Km N of Terni (111501 inhabitants)
89 Km S of Rimini (147750 inhabitants)
99 Km NW of Teramo (54892 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 0.3 2023-08-20
06:20:55
43.2878 12.8493 13 2023-08-20
06:53:39
Sala Sismica INGV-Roma 120313161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-20 06:20:55 ± 0.03
Latitude 43.2878 ± 0.0027
Longitude 12.8493 ± 0.0037
Depth (km) 13 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120313161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 376
Semi-minor axis of confidence ellipse (meter) 124
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.06
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30577
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 120313161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-20 06:53:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EPOZ.HHZ. 2023-08-20T06:22:23.95 3.0 positive manual Pg 19.620001 0
7C.SPAOL.HNZ. 2023-08-20T06:22:08.20 3.0 negative manual Pn 2.31 0
IV.SELL.HHZ. 2023-08-20T06:22:00.16 3.0 positive manual Pg 10.2 0
IV.EPZF.HHZ. 2023-08-20T06:21:56.52 3.0 positive manual Pn -5.46 0
IV.MRVN.HHZ. 2023-08-20T06:21:55.29 3.0 undecidable manual Sn -0.54 0
GU.PCP.HHZ. 2023-08-20T06:21:50.09 3.0 negative manual Pn 8.59 0
GU.CANO.HHZ. 2023-08-20T06:21:43.75 3.0 negative manual Pn -0.17 0
IV.LRP.EHZ. 2023-08-20T06:21:41.28 3.0 undecidable manual Sg 5.31 0
IV.RCAV.EHZ. 2023-08-20T06:21:39.04 3.0 undecidable manual Sg 2.84 0
ST.PANI.EHZ. 2023-08-20T06:21:23.84 3.0 undecidable manual Pn -3.03 0
IV.MMO1.EHZ. 2023-08-20T06:21:10.23 3.0 undecidable manual Sn -1.33 0
IV.FDMO.HHZ. 2023-08-20T06:21:07.32 0.6 undecidable manual S 145 33.9438 95 -0.05 48
IV.FRON.EHZ. 2023-08-20T06:21:05.59 0.3 undecidable manual S 339 27.3504 97 -0.05 73
IV.MML1.EHZ. 2023-08-20T06:21:04.08 0.3 undecidable manual S 153 21.7671 101 -0.07 73
IV.FDMO.HHZ. 2023-08-20T06:21:02.57 0.3 undecidable manual P 145 33.9438 95 0.07 72
IV.FRON.EHZ. 2023-08-20T06:21:01.50 0.1 undecidable manual P 339 27.3504 97 0 98
IV.MOMA.HHZ. 2023-08-20T06:21:01.95 3.0 undecidable manual Pn -1.94 0
IV.MML1.EHZ. 2023-08-20T06:21:00.65 0.3 undecidable manual P 153 21.7671 101 0.01 74
IV.ATCC.EHZ. 2023-08-20T06:21:00.67 3.0 negative manual P -0.26 0
IV.FOSV.EHZ. 2023-08-20T06:21:00.72 0.3 undecidable manual S 276 7.1928 143 -0.06 75
IV.SNTG.HHZ. 2023-08-20T06:21:00.96 0.3 undecidable manual S 116 8.1807 138 0 76
IV.TERO.HHZ. 2023-08-20T06:20:59.99 3.0 undecidable manual S 0
IV.FOSV.EHZ. 2023-08-20T06:20:58.78 0.1 undecidable manual P 276 7.1928 143 0.08 100
IV.SNTG.HHZ. 2023-08-20T06:20:58.84 0.3 undecidable manual P 116 8.1807 138 0.04 75
IV.TERO.HHZ. 2023-08-20T06:20:57.43 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:0.2 0.000017852035 0.0608 AML other m 2023-08-20T06:21:00.85
IV.FOSV.EHN. ML:0.5 0.00003254221 0.08 AML other m 2023-08-20T06:21:00.94
IV.SNTG.HHE. ML:0.1 0.000017087039999999997 0.0992 AML other m 2023-08-20T06:21:01.27
IV.SNTG.HHN. ML:0.1 0.00001582747 0.1216 AML other m 2023-08-20T06:21:01.73
IV.MML1.EHE. ML:0.5 0.000018848509999999998 0.3008 AML other m 2023-08-20T06:21:04.37
IV.MML1.EHN. ML:0.2 0.0000094070985 0.1984 AML other m 2023-08-20T06:21:04.34
IV.FRON.EHE. ML:0.6 0.000019491153499999997 0.16 AML other m 2023-08-20T06:21:05.78
IV.FRON.EHN. ML:0.5 0.000013291161999999998 0.1024 AML other m 2023-08-20T06:21:05.80
IV.FDMO.HHE. ML:0.4 0.000008279423 0.0992 AML other m 2023-08-20T06:21:08.19
IV.FDMO.HHN. ML:0.1 0.000007236892 0.16 AML other m 2023-08-20T06:21:07.99
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