Earthquake with magnitude of ML 0.4 on date 29-04-2023 and time 05:39:13 (UTC) in region 8 km NW Valfabbrica (PG)

A magnitude ML 0.4 earthquake occured in region: 8 km NW Valfabbrica (PG), on

  • 29-04-2023 05:39:13 (UTC)
  • 29-04-2023 07:39:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.2290, 12.5710 at 10 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 8 3389 3389
Gubbio PG 14 32216 35605
Fossato di Vico PG 17 2840 38445
Gualdo Tadino PG 17 15208 53653
Sigillo PG 18 2404 56057
Assisi PG 18 28299 84356
Bastia Umbra PG 18 21874 106230
Costacciaro PG 19 1216 107446
Perugia PG 20 166134 273580

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Perugia (166134 inhabitants)
32 Km NW of Foligno (57155 inhabitants)
62 Km E of Arezzo (99543 inhabitants)
75 Km N of Terni (111501 inhabitants)
77 Km SW of Fano (60888 inhabitants)
81 Km SW of Pesaro (94582 inhabitants)
88 Km W of Ancona (100861 inhabitants)
93 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 0.4 2023-04-29
05:39:13
43.2292 12.5713 10 2023-04-29
06:04:18
Sala Sismica INGV-Roma 116862751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-29 05:39:13 ± 0.06
Latitude 43.2292 ± 0.0027
Longitude 12.5713 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116862751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 368
Semi-minor axis of confidence ellipse (meter) 139
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) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 145
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33095
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 16
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 116862751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-29 06:04:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHZ. 2023-04-29T05:39:47.06 3.0 undecidable manual S -0.12 0
IV.PP3.EHZ. 2023-04-29T05:39:38.80 3.0 undecidable manual S -0.2 0
IV.ATVO.HHZ. 2023-04-29T05:39:21.57 0.3 undecidable manual S 322 21.5673 114 -0.03 79
IV.ASSB.HHZ. 2023-04-29T05:39:21.67 0.3 undecidable manual S 161 21.867 114 -0.03 78
IV.FOSV.HNZ. 2023-04-29T05:39:20.15 0.3 undecidable manual S 65 16.9719 120 -0.03 79
IV.CESI.HHZ. 2023-04-29T05:39:20.84 0.3 undecidable manual P 133 36.741 50 0.21 74
IV.ATBU.EHZ. 2023-04-29T05:39:19.21 0.3 undecidable manual P 356 27.4503 50 0.01 78
IV.SNTG.HHZ. 2023-04-29T05:39:19.41 0.1 undecidable manual P 84 29.9478 50 -0.18 100
IV.ATFO.HHZ. 2023-04-29T05:39:19.99 0.3 undecidable manual S 0 15.2736 123 0.32 75
IV.ATLO.HNZ. 2023-04-29T05:39:19.98 0.3 undecidable manual S 306 16.3725 121 -0.01 80
IV.ASSB.HHZ. 2023-04-29T05:39:18.12 0.3 undecidable manual P 161 21.867 114 -0.07 78
IV.ATVO.HHZ. 2023-04-29T05:39:18.24 0.3 undecidable manual P 322 21.5673 114 0.11 77
IV.TB02.DHZ.01 2023-04-29T05:39:18.32 0.3 undecidable manual P 320 20.3685 116 0.4 73
IV.TSM3.DHZ.01 2023-04-29T05:39:18.54 0.3 undecidable manual P 314 24.3534 112 -0.11 77
IV.ATSC.EHZ. 2023-04-29T05:39:18.40 0.3 undecidable manual P 23 23.5542 113 -0.09 77
IV.TSM2.DHZ.01 2023-04-29T05:39:17.53 0.3 undecidable manual P 341 19.6692 116 -0.26 75
IV.TB01.DHZ.01 2023-04-29T05:39:17.97 0.3 undecidable manual P 327 20.1687 116 0.1 78
IV.ATLO.HNZ. 2023-04-29T05:39:17.08 0.3 undecidable manual P 306 16.3725 121 -0.12 78
IV.FOSV.HNZ. 2023-04-29T05:39:17.28 0.3 undecidable manual P 65 16.9719 120 -0.03 79
IV.ATCC.EHZ. 2023-04-29T05:39:17.71 0.3 undecidable manual S 131 7.3815 143 0.07 80
IV.ATFO.HHZ. 2023-04-29T05:39:16.96 0.3 undecidable manual P 0 15.2736 123 -0.05 79
IV.ATCC.EHZ. 2023-04-29T05:39:16.03 0.3 undecidable manual P 131 7.3815 143 0.19 78
IV.MURB.HHZ. 2023-04-29T05:39:16.98 0.3 undecidable manual S 315 5.2947 151 -0.27 77
IV.TSM1.DHZ.01 2023-04-29T05:39:16.59 0.3 undecidable manual P 9 13.0758 127 -0.07 79
IV.MURB.HHZ. 2023-04-29T05:39:15.68 0.3 undecidable manual P 315 5.2947 151 0.06 80
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHE. ML:0.6 0.00003555 1.04 AML other m 2023-04-29T05:39:20.40
IV.ATFO.HHN. ML:0.4 0.0000269 0.12 AML other m 2023-04-29T05:39:20.54
IV.ASSB.HHN. ML:0.6 0.000029999999999999997 0.6 AML other m 2023-04-29T05:39:22.05
IV.ASSB.HHE. ML:0.5 0.000021900000000000004 1.32 AML other m 2023-04-29T05:39:22.81
IV.ATVO.HHE. ML:0.3 0.00001425908 0.2624 AML other m 2023-04-29T05:39:21.84
IV.ATVO.HHN. ML:0.2 0.000007716177 0.4224 AML other m 2023-04-29T05:39:25.56
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