Earthquake with magnitude of ML 0.7 on date 21-05-2023 and time 20:56:20 (Italy) 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

  • 21-05-2023 18:56:20 (UTC)
  • 21-05-2023 20:56:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2670, 12.6440 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 10 2840 2840
Sigillo PG 11 2404 5244
Gubbio PG 11 32216 37460
Costacciaro PG 12 1216 38676
Gualdo Tadino PG 12 15208 53884
Valfabbrica PG 12 3389 57273
Scheggia e Pascelupo PG 16 1393 58666

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NE of Perugia (166134 inhabitants)
35 Km N of Foligno (57155 inhabitants)
65 Km E of Arezzo (99543 inhabitants)
71 Km SW of Fano (60888 inhabitants)
75 Km SW of Pesaro (94582 inhabitants)
78 Km N of Terni (111501 inhabitants)
81 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
Reviewed
Rev100
ML 0.7 2023-05-21
18:56:20
43.2668 12.6437 12 2023-05-21
19:01:18
Sala Sismica INGV-Roma 117563671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-21 18:56:20 ± 0.07
Latitude 43.2668 ± 0.0036
Longitude 12.6437 ± 0.0049
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 117563671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 420
Semi-minor axis of confidence ellipse (meter) 211
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 194
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.08633
Epicentral distance of station farthest from the epicenter (degree) 0.44516
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:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 117563671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-21 19:01:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2023-05-21T18:56:31.26 0.6 undecidable manual S 123 31.5462 93 0.24 52
IV.ATPI.EHZ. 2023-05-21T18:56:30.10 0.6 undecidable manual S 316 28.1496 93 -0.03 54
IV.FRON.EHZ. 2023-05-21T18:56:30.16 0.6 undecidable manual S 13 28.6491 93 -0.09 54
IV.ASSB.HHZ. 2023-05-21T18:56:29.47 0.6 undecidable manual S 177 24.9528 94 0.22 53
IV.SSFR.HHZ. 2023-05-21T18:56:28.44 0.6 undecidable manual S 31 21.867 96 -0.01 55
IV.CSP1.EHZ. 2023-05-21T18:56:28.97 0.1 undecidable manual P 113 49.4172 91 -0.2 100
IV.ATVO.HHZ. 2023-05-21T18:56:28.53 0.6 undecidable manual S 304 22.9548 95 -0.22 53
IV.MML1.EHZ. 2023-05-21T18:56:26.75 1.0 undecidable manual P 123 31.5462 93 0.33 25
IV.ATFO.HHZ. 2023-05-21T18:56:26.52 0.6 undecidable manual S 332 12.4764 115 0.5 50
IV.ATPI.EHZ. 2023-05-21T18:56:25.87 0.6 positive manual P 316 28.1496 93 -0.04 54
IV.MURB.HHZ. 2023-05-21T18:56:25.23 0.6 undecidable manual S 267 9.5793 128 -0.14 55
IV.ATVO.HHZ. 2023-05-21T18:56:25.02 1.0 positive manual P 304 22.9548 95 -0.09 27
IV.FRON.EHZ. 2023-05-21T18:56:25.91 1.0 undecidable manual P 13 28.6491 93 -0.07 27
IV.FOSV.EHZ. 2023-05-21T18:56:25.22 0.6 undecidable manual S 72 9.9789 126 -0.22 54
IV.SSFR.HHZ. 2023-05-21T18:56:25.04 0.6 negative manual P 31 21.867 96 0.1 54
IV.ASSB.HHZ. 2023-05-21T18:56:25.33 0.6 undecidable manual P 177 24.9528 94 -0.07 54
IV.ATFO.HHZ. 2023-05-21T18:56:23.55 0.3 negative manual P 332 12.4764 115 0.01 84
IV.MURB.HHZ. 2023-05-21T18:56:23.18 0.3 negative manual P 267 9.5793 128 0.02 84
IV.FOSV.EHZ. 2023-05-21T18:56:23.28 1.0 positive manual P 72 9.9789 126 0.08 28
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHE. ML:1.2 0.00020600000000000002 0.44 AML other m 2023-05-21T18:56:25.33
IV.MURB.HHN. ML:1.0 0.000122 0.28 AML other m 2023-05-21T18:56:25.57
IV.FOSV.EHN. ML:0.4 0.000031599999999999996 0.52 AML other m 2023-05-21T18:56:25.67
IV.FOSV.EHE. ML:0.5 0.0000344 0.38 AML other m 2023-05-21T18:56:25.71
IV.ATFO.HHE. ML:0.7 0.00004835 0.42 AML other m 2023-05-21T18:56:26.64
IV.ATFO.HHN. ML:0.6 0.0000445 1.42 AML other m 2023-05-21T18:56:26.95
IV.ATVO.HHE. ML:0.8 0.000036150000000000005 0.28 AML other m 2023-05-21T18:56:28.62
IV.ATVO.HHN. ML:0.8 0.0000332 0.26 AML other m 2023-05-21T18:56:28.61
IV.ASSB.HHN. ML:0.6 0.000024399999999999997 0.64 AML other m 2023-05-21T18:56:29.39
IV.ASSB.HHE. ML:0.6 0.00002715 0.74 AML other m 2023-05-21T18:56:29.81
IV.FRON.EHN. ML:0.6 0.000021 0.44 AML other m 2023-05-21T18:56:30.64
IV.FRON.EHE. ML:0.8 0.000028650000000000002 0.46 AML other m 2023-05-21T18:56:31.80
IV.MML1.EHN. ML:0.8 0.00003095 0.64 AML other m 2023-05-21T18:56:31.57
IV.MML1.EHE. ML:0.9 0.0000366 1.28 AML other m 2023-05-21T18:56:31.17
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