Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 28-03-2023 and time 16:25:38 (UTC) in region 10 km W Fossato di Vico (PG)

A magnitude ML 0.7 earthquake occured in region: 10 km W Fossato di Vico (PG), on

  • 28-03-2023 16:25:38 (UTC)
  • 28-03-2023 18:25:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2790, 12.6440 at 15 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
Fossato di Vico PG 10 2840 2840
Gubbio PG 10 32216 35056
Sigillo PG 10 2404 37460
Costacciaro PG 11 1216 38676
Gualdo Tadino PG 13 15208 53884
Valfabbrica PG 14 3389 57273
Scheggia e Pascelupo PG 14 1393 58666

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NE of Perugia (166134 inhabitants)
36 Km N of Foligno (57155 inhabitants)
65 Km E of Arezzo (99543 inhabitants)
70 Km SW of Fano (60888 inhabitants)
74 Km SW of Pesaro (94582 inhabitants)
80 Km N of Terni (111501 inhabitants)
80 Km W of Ancona (100861 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 0.7 2023-03-28
16:25:38		 43.2787 12.6437 15 2023-03-28
16:46:49		 Sala Sismica INGV-Roma 115828861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-28 16:25:38 ± 0.27
Latitude 43.2787 ± 0.0072
Longitude 12.6437 ± 0.0198
Depth (km) 15 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115828861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1204
Semi-minor axis of confidence ellipse (meter) 1124
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 101
Circular confidence region, given by single value of horizontal uncertainty (meter) 1200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54859
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 115828861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-28 16:46:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FNVD.HHZ. 2023-03-28T16:26:27.80 3.0 undecidable manual Sg 0.31 0
IV.CSP1.EHZ. 2023-03-28T16:26:15.05 3.0 undecidable manual S 0
IV.CSP1.EHZ. 2023-03-28T16:26:12.24 3.0 undecidable manual P 0
IV.CAMP.HHZ. 2023-03-28T16:26:03.20 3.0 undecidable manual S -3.18 0
IV.PIEI.HNZ. 2023-03-28T16:25:50.30 0.6 undecidable manual S 343 29.8479 103 0.98 36
IV.GUMA.HHZ. 2023-03-28T16:25:49.77 0.1 undecidable manual P 113 60.8946 95 0.16 91
IV.ASSB.HHZ. 2023-03-28T16:25:48.22 0.6 undecidable manual S 177 26.2515 105 -0.17 48
IV.TSM2.DHN. 2023-03-28T16:25:46.66 0.6 undecidable manual S 317 17.9709 117 0.32 47
IV.SSFR.HHZ. 2023-03-28T16:25:46.73 0.3 undecidable manual S 33 20.7681 112 -0.28 70
IV.NRCA.HHZ. 2023-03-28T16:25:45.84 3.0 undecidable manual P -0.72 0
IV.ATSC.EHZ. 2023-03-28T16:25:45.89 0.3 undecidable manual S 12 16.4724 120 -0.09 74
IV.MURB.HHZ. 2023-03-28T16:25:44.69 0.6 undecidable manual S 260 9.7791 139 0.1 49
IV.PIEI.HNZ. 2023-03-28T16:25:44.71 0.1 undecidable manual P 343 29.8479 103 -0.16 95
IV.ATCC.EHZ. 2023-03-28T16:25:44.44 0.6 undecidable manual S 182 10.3785 137 -0.26 49
IV.ASSB.HHZ. 2023-03-28T16:25:44.50 0.6 negative manual P 177 26.2515 105 0.17 48
IV.SSFR.HHZ. 2023-03-28T16:25:43.63 0.1 undecidable manual P 33 20.7681 112 0.1 99
IV.ATSC.EHZ. 2023-03-28T16:25:43.08 0.1 undecidable manual P 12 16.4724 120 0.14 99
IV.ATCC.EHZ. 2023-03-28T16:25:42.29 0.1 undecidable manual P 182 10.3785 137 0.09 100
IV.MURB.HHZ. 2023-03-28T16:25:42.52 0.6 positive manual P 260 9.7791 139 0.38 47
IV.TSM2.DHN. 2023-03-28T16:25:42.24 0.1 undecidable manual P 317 17.9709 117 -0.91 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHE. ML:0.7 0.000046078 0.128 AML other m 2023-03-28T16:25:44.72
IV.ATCC.EHN. ML:0.7 0.000050375934999999996 0.128 AML other m 2023-03-28T16:25:44.58
IV.MURB.HHE. ML:0.9 0.000071607995 0.2048 AML other m 2023-03-28T16:25:45.30
IV.MURB.HHN. ML:0.8 0.000063515405 0.2176 AML other m 2023-03-28T16:25:45.89
IV.MURB.HNE. ML:1.0 0.000100088 0.2048 AML other m 2023-03-28T16:25:45.50
IV.MURB.HNN. ML:1.0 0.000100607465 0.4736 AML other m 2023-03-28T16:25:43.76
IV.SSFR.HHE. ML:0.6 0.000027093465 0.1792 AML other m 2023-03-28T16:25:47.13
IV.SSFR.HHN. ML:0.5 0.00002075838 0.192 AML other m 2023-03-28T16:25:46.97
IV.ASSB.HHE. ML:0.6 0.00002097198 1.152 AML other m 2023-03-28T16:25:49.09
IV.ASSB.HHN. ML:0.6 0.000019321175 1.8816 AML other m 2023-03-28T16:25:49.27
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