Earthquake with magnitude of ML 1.1 on date 27-04-2023 and time 17:24:23 (Italy) in region 5 km NE Gubbio (PG)

A magnitude ML 1.1 earthquake occured in region: 5 km NE Gubbio (PG), on

  • 27-04-2023 15:24:23 (UTC)
  • 27-04-2023 17:24:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3790, 12.6240 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Gubbio PG 5 32216 32216
Scheggia e Pascelupo PG 5 1393 33609
Costacciaro PG 8 1216 34825
Cantiano PU 11 2245 37070
Sigillo PG 11 2404 39474
Fossato di Vico PG 15 2840 42314
Pietralunga PG 17 2111 44425
Serra Sant'Abbondio PU 17 1027 45452
Frontone PU 18 1300 46752
Cagli PU 19 8731 55483

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NE of Perugia (166134 inhabitants)
47 Km N of Foligno (57155 inhabitants)
61 Km E of Arezzo (99543 inhabitants)
61 Km SW of Fano (60888 inhabitants)
64 Km SW of Pesaro (94582 inhabitants)
76 Km S of Rimini (147750 inhabitants)
77 Km W of Ancona (100861 inhabitants)
90 Km SE of Cesena (96758 inhabitants)
91 Km N of Terni (111501 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
Bulletin
Rev1000
ML 1.1 2023-04-27
15:24:23
43.3788 12.6243 11 2024-03-01
17:18:20
Bollettino Sismico Italiano INGV 124929021
Reviewed
Rev100
ML 1.1 2023-04-27
15:24:24
43.372 12.5878 8 2023-04-27
15:35:32
Sala Sismica INGV-Roma 116805141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-27 15:24:23 ± 0.05
Latitude 43.3788 ± 0.0027
Longitude 12.6243 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124929021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 252
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 118
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.03867
Epicentral distance of station farthest from the epicenter (degree) 0.26620
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 124929021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-29 15:38:30

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 116805141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-27 15:35:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2023-04-27T15:24:30.70 0.6 undecidable manual S 28 17.4714 122 -0.2 48
IV.TSM6.DHZ.11 2023-04-27T15:24:29.31 0.3 undecidable manual P 294 25.6521 50 0.15 70
IV.ATBU.EHZ. 2023-04-27T15:24:29.53 0.6 undecidable manual S 330 12.3765 131 0.05 50
IV.TSM5.DHZ.01 2023-04-27T15:24:29.20 0.6 undecidable manual S 351 11.3775 134 -0.02 49
IV.ATVA.EHZ. 2023-04-27T15:24:29.61 0.1 undecidable manual P 248 29.5482 50 -0.15 95
IV.SSFR.HHZ. 2023-04-27T15:24:29.90 0.6 undecidable manual S 63 14.2746 127 -0.08 49
IV.ATSC.EHZ. 2023-04-27T15:24:28.30 0.6 undecidable manual S 45 7.0929 147 0.03 50
IV.ATFO.HHZ. 2023-04-27T15:24:27.80 0.3 undecidable manual S 252 4.4955 158 -0.05 74
IV.FRON.EHZ. 2023-04-27T15:24:27.78 0.1 undecidable manual P 28 17.4714 122 -0.1 97
IV.SSFR.HHZ. 2023-04-27T15:24:27.39 0.1 undecidable manual P 63 14.2746 127 0.04 98
IV.ATPC.HNE. 2023-04-27T15:24:27.87 0.3 undecidable manual P 310 17.5713 122 -0.04 74
IV.ATBU.EHZ. 2023-04-27T15:24:27.34 0.3 undecidable manual P 330 12.3765 131 0.28 70
IV.MURB.HHZ. 2023-04-27T15:24:27.54 0.1 positive manual P 212 15.1737 126 0.04 97
IV.PIEI.HHZ. 2023-04-27T15:24:27.91 0.3 undecidable manual P 338 18.87 50 -0.2 71
IV.TSM1.DHZ.01 2023-04-27T15:24:27.70 0.3 undecidable manual S 210 4.2957 159 -0.12 73
IV.TSM2.DHN.01 2023-04-27T15:24:26.76 0.1 undecidable manual P 280 10.9779 135 -0.1 97
IV.ATFO.HHZ. 2023-04-27T15:24:26.24 0.1 undecidable manual P 252 4.4955 158 0.12 98
IV.ATSC.EHZ. 2023-04-27T15:24:26.53 0.1 undecidable manual P 45 7.0929 147 0.17 97
IV.TSM1.DHZ.01 2023-04-27T15:24:26.14 0.1 undecidable manual P 210 4.2957 159 0.03 100
IV.TSM5.DHZ.01 2023-04-27T15:24:26.93 0.1 undecidable manual P 351 11.3775 134 0.02 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHE. ML:1.3 0.00032450000000000003 1.84 AML other m 2023-04-27T15:24:27.01
IV.ATFO.HHN. ML:1.2 0.000252 0.12 AML other m 2023-04-27T15:24:27.94
IV.SSFR.HHN. ML:1.0 0.00010395 1.18 AML other m 2023-04-27T15:24:30.21
IV.MURB.HHE. ML:1.4 0.0002215 0.38 AML other m 2023-04-27T15:24:30.97
IV.SSFR.HHE. ML:1.1 0.00010955 1.84 AML other m 2023-04-27T15:24:30.06
IV.MURB.HHN. ML:1.5 0.000312 0.24 AML other m 2023-04-27T15:24:31.11
IV.FRON.EHN. ML:0.9 0.0000627 0.84 AML other m 2023-04-27T15:24:31.29
IV.PIEI.HHN. ML:0.8 0.00004825 0.16 AML other m 2023-04-27T15:24:33.58
IV.PIEI.HHE. ML:0.9 0.00006425 0.28 AML other m 2023-04-27T15:24:33.63
IV.FRON.EHE. ML:0.6 0.00003265 0.5 AML other m 2023-04-27T15:24:34.59
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