Earthquake with magnitude of ML 0.8 on date 23-05-2023 and time 11:13:43 (UTC) in region 5 km W Gualdo Tadino (PG)

A magnitude ML 0.8 earthquake occured in region: 5 km W Gualdo Tadino (PG), on

  • 23-05-2023 11:13:43 (UTC)
  • 23-05-2023 13:13:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2140, 12.7280 at 11 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
Gualdo Tadino PG 5 15208 15208
Fossato di Vico PG 10 2840 18048
Valfabbrica PG 12 3389 21437
Nocera Umbra PG 12 5839 27276
Sigillo PG 13 2404 29680
Costacciaro PG 16 1216 30896
Fiuminata MC 17 1402 32298
Valtopina PG 17 1398 33696
Assisi PG 18 28299 61995
Esanatoglia MC 18 2034 64029
Sefro MC 20 422 64451
Gubbio PG 20 32216 96667
Fabriano AN 20 31480 128147

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km N of Foligno (57155 inhabitants)
30 Km E of Perugia (166134 inhabitants)
73 Km N of Terni (111501 inhabitants)
74 Km E of Arezzo (99543 inhabitants)
74 Km SW of Fano (60888 inhabitants)
78 Km SW of Ancona (100861 inhabitants)
79 Km S of Pesaro (94582 inhabitants)
95 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 0.8 2023-05-23
11:13:43
43.2135 12.7278 11 2023-05-23
11:23:15
Sala Sismica INGV-Roma 117627061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-23 11:13:43 ± 0.05
Latitude 43.2135 ± 0.0027
Longitude 12.7278 ± 0.0049
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117627061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 367
Semi-minor axis of confidence ellipse (meter) 101
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.07015
Epicentral distance of station farthest from the epicenter (degree) 0.25181
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 117627061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-23 11:23:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATSC.EHZ. 2023-05-23T11:13:52.32 0.6 undecidable manual S 352 23.5542 50 -0.28 48
IV.SSFR.HHZ. 2023-05-23T11:13:52.91 0.6 undecidable manual S 10 25.0527 50 -0.09 49
IV.MML1.HNZ. 2023-05-23T11:13:52.24 0.3 undecidable manual S 119 22.6551 50 -0.1 74
IV.MURB.HHZ. 2023-05-23T11:13:51.07 0.6 undecidable manual S 289 17.2716 122 0.19 48
IV.ASSB.HHZ. 2023-05-23T11:13:51.30 0.6 undecidable manual S 196 19.7691 50 -0.28 48
IV.SSFR.HHZ. 2023-05-23T11:13:49.08 1.0 positive manual P 10 25.0527 50 -0.03 25
IV.TSM2.DHZ.01 2023-05-23T11:13:49.46 0.6 undecidable manual P 317 27.9498 50 -0.08 49
IV.CESI.HHZ. 2023-05-23T11:13:49.48 0.6 undecidable manual P 148 27.2505 50 0.05 49
IV.ATCC.EHZ. 2023-05-23T11:13:48.42 0.3 undecidable manual S 246 7.7811 144 0 76
IV.ASSB.HHZ. 2023-05-23T11:13:48.16 0.1 positive manual P 196 19.7691 50 -0.13 99
IV.SNTG.HHZ. 2023-05-23T11:13:48.38 0.6 undecidable manual P 75 17.7711 121 0.41 46
IV.FOSV.EHZ. 2023-05-23T11:13:48.73 0.3 undecidable manual S 17 9.3795 139 -0.05 75
IV.ATSC.EHZ. 2023-05-23T11:13:48.76 0.1 undecidable manual P 352 23.5542 50 -0.11 98
IV.MML1.HNZ. 2023-05-23T11:13:48.71 0.1 undecidable manual P 119 22.6551 50 -0.02 100
IV.MURB.HHZ. 2023-05-23T11:13:47.97 0.3 undecidable manual P 289 17.2716 122 0.08 74
IV.TSM1.DHZ.01 2023-05-23T11:13:47.94 1.0 undecidable manual P 324 17.9709 121 -0.06 25
IV.ATCC.EHZ. 2023-05-23T11:13:46.64 0.6 undecidable manual P 246 7.7811 144 0.17 50
IV.FOSV.EHZ. 2023-05-23T11:13:46.82 0.3 positive manual P 17 9.3795 139 0.15 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHN. ML:1.1 0.00017649999999999998 0.4 AML other m 2023-05-23T11:13:48.75
IV.ATCC.EHE. ML:1.1 0.0001685 0.32 AML other m 2023-05-23T11:13:48.65
IV.FOSV.EHN. ML:0.4 0.0000356 0.18 AML other m 2023-05-23T11:13:48.88
IV.FOSV.EHE. ML:0.6 0.00004355000000000001 1.7 AML other m 2023-05-23T11:13:49.88
IV.MURB.HHE. ML:1.2 0.000141 0.22 AML other m 2023-05-23T11:13:51.44
IV.ASSB.HHE. ML:0.7 0.000042300000000000005 0.3 AML other m 2023-05-23T11:13:51.60
IV.MURB.HHN. ML:0.9 0.000060700000000000005 0.7 AML other m 2023-05-23T11:13:51.34
IV.ASSB.HHN. ML:0.6 0.0000323 0.06 AML other m 2023-05-23T11:13:51.71
IV.SSFR.HHN. ML:0.9 0.000043899999999999996 0.1 AML other m 2023-05-23T11:13:53.89
IV.SSFR.HHE. ML:0.8 0.00003795 0.7 AML other m 2023-05-23T11:13:54.74
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download