Earthquake with magnitude of ML 0.8 on date 28-04-2023 and time 21:25:53 (Italy) in region 4 km SW Costacciaro (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km SW Costacciaro (PG), on

  • 28-04-2023 19:25:53 (UTC)
  • 28-04-2023 21:25:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3320, 12.6770 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
Costacciaro PG 4 1216 1216
Sigillo PG 5 2404 3620
Fossato di Vico PG 8 2840 6460
Scheggia e Pascelupo PG 8 1393 7853
Gubbio PG 8 32216 40069
Gualdo Tadino PG 14 15208 55277
Cantiano PU 16 2245 57522
Fabriano AN 19 31480 89002
Sassoferrato AN 19 7285 96287
Serra Sant'Abbondio PU 19 1027 97314
Valfabbrica PG 20 3389 100703

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NE of Perugia (166134 inhabitants)
42 Km N of Foligno (57155 inhabitants)
63 Km SW of Fano (60888 inhabitants)
66 Km E of Arezzo (99543 inhabitants)
67 Km S of Pesaro (94582 inhabitants)
75 Km W of Ancona (100861 inhabitants)
82 Km S of Rimini (147750 inhabitants)
86 Km N of Terni (111501 inhabitants)
96 Km SE of Cesena (96758 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 0.8 2023-04-28
19:25:53
43.3323 12.6767 11 2024-03-01
17:18:11
Bollettino Sismico Italiano INGV 118332811
Reviewed
Rev100
ML 0.8 2023-04-28
19:25:53
43.3303 12.6772 12 2023-04-28
19:39:05
Sala Sismica INGV-Roma 116851441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-28 19:25:53 ± 0.03
Latitude 43.3323 ± 0.0018
Longitude 12.6767 ± 0.0025
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118332811

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 210
Semi-minor axis of confidence ellipse (meter) 170
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 35
Circular confidence region, given by single value of horizontal uncertainty (meter) 210.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 63
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 44
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28958
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 118332811
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-12 09:47:17

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 116851441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-28 19:39:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2023-04-28T19:26:05.04 0.3 undecidable manual S 346 31.8459 90 0.09 71
IV.ARVD.HHZ. 2023-04-28T19:26:04.18 0.3 undecidable manual S 49 28.1496 90 0.22 69
IV.ASSB.HHZ. 2023-04-28T19:26:04.88 0.6 undecidable manual S 183 32.1456 90 -0.14 47
IV.ATPI.EHZ. 2023-04-28T19:26:03.68 0.3 undecidable manual S 301 25.752 90 0.37 68
IV.PIEI.HHZ. 2023-04-28T19:26:03.11 0.3 undecidable manual S 333 25.2525 90 -0.08 71
IV.ATVO.HHZ. 2023-04-28T19:26:02.34 0.6 undecidable manual S 284 22.4553 90 -0.09 48
IV.TB03.DH1. 2023-04-28T19:26:02.40 0.6 undecidable manual S 290 22.755 90 -0.13 47
IV.SNTG.HHZ. 2023-04-28T19:26:02.48 0.3 undecidable manual S 112 22.9548 90 -0.1 72
IV.ATLO.EHE. 2023-04-28T19:26:02.08 0.6 undecidable manual S 265 21.867 90 -0.19 47
IV.TB02.DHZ.01 2023-04-28T19:26:02.27 0.3 undecidable manual S 281 21.9669 90 -0.03 72
IV.FRON.EHZ. 2023-04-28T19:26:01.90 0.3 undecidable manual S 11 20.9679 90 -0.14 71
IV.ATBU.EHZ. 2023-04-28T19:26:01.93 0.6 undecidable manual S 327 18.9699 90 0.42 45
IV.SRES.HHZ. 2023-04-28T19:26:01.33 3.0 undecidable manual Pg -0.11 0
IV.TB01.DHZ. 2023-04-28T19:26:01.95 0.6 undecidable manual S 286 20.1687 90 0.12 48
IV.ASSB.HHZ. 2023-04-28T19:26:00.20 0.3 undecidable manual P 183 32.1456 90 -0.16 70
IV.SSFR.HHZ. 2023-04-28T19:26:00.29 0.6 undecidable manual S 36 14.3745 91 0.02 49
IV.TSM5.DHN. 2023-04-28T19:26:00.99 0.6 undecidable manual S 340 17.3715 90 -0.1 48
IV.ATCC.EHZ. 2023-04-28T19:26:00.89 0.6 undecidable manual S 190 16.5723 90 0.02 49
IV.NARO.HHZ. 2023-04-28T19:26:00.09 0.3 undecidable manual P 346 31.8459 90 -0.22 69
IV.MURB.HHE. 2023-04-28T19:26:00.55 0.6 undecidable manual S 238 14.4744 91 0.24 47
IV.TSM2.DHN. 2023-04-28T19:26:00.83 0.6 undecidable manual S 295 16.6722 90 -0.06 48
IV.PIEI.HHZ. 2023-04-28T19:25:59.14 0.3 undecidable manual P 333 25.2525 90 -0.16 70
IV.ATSC.EHE. 2023-04-28T19:25:59.34 0.3 undecidable manual S 4 10.1787 118 0.13 73
IV.ATFO.HHZ. 2023-04-28T19:25:59.14 0.3 undecidable manual S 294 9.2796 123 0.14 73
IV.ATPI.EHZ. 2023-04-28T19:25:59.32 0.1 undecidable manual P 301 25.752 90 -0.05 96
IV.ARVD.HHZ. 2023-04-28T19:25:59.95 0.3 undecidable manual P 49 28.1496 90 0.21 69
IV.FOSV.EHZ. 2023-04-28T19:25:58.67 0.1 undecidable manual S 121 7.9809 131 -0.05 99
IV.ATLO.EHE. 2023-04-28T19:25:58.68 0.1 undecidable manual P 265 21.867 90 -0.09 96
IV.TB01.DHZ. 2023-04-28T19:25:58.45 0.1 undecidable manual P 286 20.1687 90 -0.06 96
IV.TSM5.DHN. 2023-04-28T19:25:58.05 0.1 undecidable manual P 340 17.3715 90 -0.04 97
IV.TB02.DHZ.01 2023-04-28T19:25:58.72 0.3 undecidable manual P 281 21.9669 90 -0.07 72
IV.FRON.EHZ. 2023-04-28T19:25:58.66 0.6 undecidable manual P 11 20.9679 90 0.02 49
IV.TSM1.DHE. 2023-04-28T19:25:58.36 0.6 undecidable manual S 283 6.4935 139 -0.09 49
IV.ATBU.EHZ. 2023-04-28T19:25:58.47 0.1 undecidable manual P 327 18.9699 90 0.14 95
IV.ATVO.HHZ. 2023-04-28T19:25:58.73 0.3 undecidable manual P 284 22.4553 90 -0.14 71
IV.TB03.DH1. 2023-04-28T19:25:58.84 0.1 undecidable manual P 290 22.755 90 -0.07 96
IV.SNTG.HHZ. 2023-04-28T19:25:58.87 0.3 undecidable manual P 112 22.9548 90 -0.08 72
IV.ATCC.EHZ. 2023-04-28T19:25:57.96 0.1 undecidable manual P 190 16.5723 90 0 98
IV.MURB.HHE. 2023-04-28T19:25:57.81 0.1 undecidable manual P 238 14.4744 91 0.18 95
IV.TSM2.DHN. 2023-04-28T19:25:57.79 0.1 undecidable manual P 295 16.6722 90 -0.18 95
IV.ATSC.EHE. 2023-04-28T19:25:57.12 0.1 undecidable manual P 4 10.1787 118 0.11 97
IV.ATFO.HHZ. 2023-04-28T19:25:57.04 0.1 undecidable manual P 294 9.2796 123 0.16 97
IV.SSFR.HHZ. 2023-04-28T19:25:57.76 0.3 undecidable manual P 36 14.3745 91 0.14 72
IV.FOSV.EHZ. 2023-04-28T19:25:56.73 0.1 undecidable manual P 121 7.9809 131 0 100
IV.TSM1.DHE. 2023-04-28T19:25:56.56 0.1 undecidable manual P 283 6.4935 139 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:0.8 0.000073 0.2 AML other m 2023-04-28T19:25:58.71
IV.FOSV.EHE. ML:0.7 0.00006505 0.06 AML other m 2023-04-28T19:25:58.87
IV.ATFO.HHN. ML:1.0 0.0001385 0.24 AML other m 2023-04-28T19:25:59.36
IV.ATFO.HHE. ML:1.0 0.00011899999999999999 0.26 AML other m 2023-04-28T19:25:59.50
IV.SSFR.HHE. ML:1.0 0.00008645 1.78 AML other m 2023-04-28T19:26:00.96
IV.SSFR.HHN. ML:0.8 0.0000623 1.32 AML other m 2023-04-28T19:26:01.91
IV.ATCC.EHN. ML:0.9 0.000063 1.42 AML other m 2023-04-28T19:26:01.28
IV.ATCC.EHE. ML:1.0 0.00009445 0.6 AML other m 2023-04-28T19:26:01.41
IV.SNTG.HHN. ML:0.8 0.00003585 0.26 AML other m 2023-04-28T19:26:02.61
IV.SNTG.HHE. ML:0.8 0.00003800000000000001 0.7 AML other m 2023-04-28T19:26:03.66
IV.PIEI.HHE. ML:0.6 0.00002735 1.66 AML other m 2023-04-28T19:26:03.01
IV.PIEI.HHN. ML:0.6 0.0000229 1.14 AML other m 2023-04-28T19:26:04.16
IV.ASSB.HHN. ML:0.5 0.000017250000000000003 1.52 AML other m 2023-04-28T19:26:05.14
IV.NARO.HHE. ML:0.8 0.000030600000000000005 0.68 AML other m 2023-04-28T19:26:05.27
IV.ASSB.HHE. ML:0.7 0.000020900000000000003 0.4 AML other m 2023-04-28T19:26:05.27
IV.NARO.HHN. ML:0.8 0.000024 0.54 AML other m 2023-04-28T19:26:06.64
IV.ARVD.HHN. ML:0.5 0.000016800000000000002 0.52 AML other m 2023-04-28T19:26:34.81
IV.ARVD.HHE. ML:0.8 0.0000294 0.06 AML other m 2023-04-28T19:26:34.80
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