Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 25-04-2023 and time 23:14:04 (Italy) in region 6 km NE Costacciaro (PG)

A magnitude ML 1.6 earthquake occured in region: 6 km NE Costacciaro (PG), on

  • 25-04-2023 21:14:04 (UTC)
  • 25-04-2023 23:14:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4050, 12.7460 at 52 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.

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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 6 1216 1216
Scheggia e Pascelupo PG 6 1393 2609
Sigillo PG 8 2404 5013
Sassoferrato AN 10 7285 12298
Serra Sant'Abbondio PU 10 1027 13325
Cantiano PU 12 2245 15570
Frontone PU 12 1300 16870
Fossato di Vico PG 12 2840 19710
Gubbio PG 15 32216 51926
Fabriano AN 15 31480 83406
Genga AN 16 1797 85203
Cagli PU 18 8731 93934
Arcevia AN 19 4612 98546
Pergola PU 19 6333 104879
Gualdo Tadino PG 20 15208 120087

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NE of Perugia (166134 inhabitants)
50 Km N of Foligno (57155 inhabitants)
54 Km SW of Fano (60888 inhabitants)
58 Km S of Pesaro (94582 inhabitants)
67 Km W of Ancona (100861 inhabitants)
70 Km E of Arezzo (99543 inhabitants)
74 Km S of Rimini (147750 inhabitants)
91 Km SE of Cesena (96758 inhabitants)
94 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 1.6 2023-04-25
21:14:04		 43.4053 12.7458 52 2024-03-01
17:18:19		 Bollettino Sismico Italiano INGV 124656571
Reviewed
Rev100 		ML 1.6 2023-04-25
21:14:04		 43.3787 12.7297 54 2023-04-25
21:19:44		 Sala Sismica INGV-Roma 116751041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-25 21:14:04 ± 0.18
Latitude 43.4053 ± 0.0117
Longitude 12.7458 ± 0.0136
Depth (km) 52 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124656571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1046
Semi-minor axis of confidence ellipse (meter) 1003
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 236
Circular confidence region, given by single value of horizontal uncertainty (meter) 1050.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 43
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.67539
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 36
Type of magnitude ML
Reference to an origin 116751041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-25 21:19:44

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 36
Type of magnitude ML
Reference to an origin 124656571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-30 13:27:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BADI.EHZ. 2023-04-25T21:14:23.60 0.6 undecidable manual S 286 42.0246 131 1.22 33
IV.CING.HHZ. 2023-04-25T21:14:22.30 0.3 undecidable manual S 95 36.4413 137 0.79 58
IV.MML1.EHZ. 2023-04-25T21:14:21.80 0.6 undecidable manual S 151 37.1295 136 0.17 48
IV.ATVO.HHZ. 2023-04-25T21:14:21.16 0.6 undecidable manual S 265 27.4503 146 0.86 41
IV.MURB.HHZ. 2023-04-25T21:14:20.74 1.0 undecidable manual S 229 23.8539 150 0.86 20
IV.ATCC.EHZ. 2023-04-25T21:14:20.86 0.6 undecidable manual S 199 25.8519 147 0.75 42
IV.SNTG.HHZ. 2023-04-25T21:14:19.53 0.3 undecidable manual S 137 22.9548 151 -0.25 72
IV.PIEI.HHZ. 2023-04-25T21:14:19.66 0.6 undecidable manual S 310 22.2555 151 -0.06 49
IV.TSM5.DHE.01 2023-04-25T21:14:19.03 0.3 undecidable manual S 306 14.1747 161 0.02 76
IV.ATBU.EHN. 2023-04-25T21:14:19.96 0.6 undecidable manual S 296 17.7711 157 0.68 44
IV.MF5.EHZ. 2023-04-25T21:14:19.21 0.3 undecidable manual P 129 73.9704 111 0.96 49
IV.ARVD.HHZ. 2023-04-25T21:14:19.76 0.3 undecidable manual S 57 18.7701 156 0.38 71
IV.SSFR.HHZ. 2023-04-25T21:14:18.34 0.3 undecidable manual S 40 4.4955 174 -0.22 74
IV.MMO1.EHZ. 2023-04-25T21:14:18.59 0.3 undecidable manual P 140 73.2711 112 0.44 62
IV.FRON.EHZ. 2023-04-25T21:14:18.95 0.3 undecidable manual S 353 12.5763 163 0.05 77
IV.ATSC.EHE. 2023-04-25T21:14:18.40 0.6 undecidable manual S 293 5.1948 173 -0.18 50
IV.MGAB.HHZ. 2023-04-25T21:14:18.18 0.3 undecidable manual P 223 74.9694 111 -0.18 67
IV.FOSV.EHZ. 2023-04-25T21:14:18.27 0.6 undecidable manual S 174 12.2766 164 -0.62 43
IV.GUMA.HHZ. 2023-04-25T21:14:17.52 0.3 undecidable manual P 128 60.8946 118 0.76 56
IV.CAFI.HHZ. 2023-04-25T21:14:16.93 0.1 undecidable manual P 263 63.3921 116 -0.11 92
IV.CRTC.HHZ. 2023-04-25T21:14:15.53 0.3 undecidable manual P 15 41.7249 132 0.73 59
IV.BADI.EHZ. 2023-04-25T21:14:15.43 0.3 undecidable manual P 286 42.0246 131 0.61 64
IV.FDMO.HHZ. 2023-04-25T21:14:15.30 0.3 undecidable manual P 146 49.3173 126 -0.24 70
IV.CSP1.EHZ. 2023-04-25T21:14:15.75 0.3 undecidable manual P 133 50.8158 124 0.06 71
IV.CESI.HHZ. 2023-04-25T21:14:14.99 0.1 undecidable manual P 164 46.2204 128 -0.24 93
IV.ASSB.HHZ. 2023-04-25T21:14:14.89 0.1 negative manual P 190 40.8258 132 0.17 95
IV.MML1.EHZ. 2023-04-25T21:14:14.10 0.1 negative manual P 151 37.1295 136 -0.28 94
IV.ATMI.HHZ. 2023-04-25T21:14:14.45 0.3 undecidable manual P 259 39.3273 134 -0.13 72
IV.CING.HHZ. 2023-04-25T21:14:14.50 0.1 negative manual P 95 36.4413 137 0.18 94
IV.ATCC.EHZ. 2023-04-25T21:14:13.39 0.1 positive manual P 199 25.8519 147 -0.12 98
IV.ATPI.EHZ. 2023-04-25T21:14:13.95 0.1 positive manual P 280 28.1496 145 0.28 95
IV.EL6.EHZ. 2023-04-25T21:14:13.77 0.3 undecidable manual P 106 29.9478 143 -0.03 75
IV.MPAG.EHZ. 2023-04-25T21:14:13.37 0.1 positive manual P 3 24.8529 148 -0.08 100
IV.MMUR.HNZ. 2023-04-25T21:14:13.28 0.6 undecidable manual P 79 20.6682 153 0.09 50
IV.ATVO.HHZ. 2023-04-25T21:14:13.88 0.1 positive manual P 265 27.4503 146 0.26 95
IV.MURB.HHZ. 2023-04-25T21:14:13.53 0.1 positive manual P 229 23.8539 150 0.15 98
IV.FOSV.EHZ. 2023-04-25T21:14:12.11 0.1 positive manual P 174 12.2766 164 -0.7 86
IV.TSM1.DHE.01 2023-04-25T21:14:12.53 0.6 undecidable manual P 241 13.6752 162 -0.33 48
IV.ARVD.HHZ. 2023-04-25T21:14:12.96 0.3 undecidable manual P 57 18.7701 156 -0.13 75
IV.SSFR.HHZ. 2023-04-25T21:14:12.14 0.1 positive manual P 40 4.4955 174 -0.48 95
IV.SNTG.HHZ. 2023-04-25T21:14:12.82 0.1 positive manual P 137 22.9548 151 -0.5 92
IV.FRON.EHZ. 2023-04-25T21:14:12.43 0.1 positive manual P 353 12.5763 163 -0.39 95
IV.PIEI.HHZ. 2023-04-25T21:14:12.88 0.3 undecidable manual P 310 22.2555 151 -0.4 70
IV.ATFO.HHZ. 2023-04-25T21:14:12.67 0.1 undecidable manual P 253 14.6742 161 -0.23 98
IV.ATSC.EHE. 2023-04-25T21:14:12.10 0.1 positive manual P 293 5.1948 173 -0.53 93
IV.TSM5.DHE.01 2023-04-25T21:14:12.45 0.3 undecidable manual P 306 14.1747 161 -0.43 70
IV.ATBU.EHN. 2023-04-25T21:14:12.90 0.3 undecidable manual P 296 17.7711 157 -0.14 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:1.4 0.00005995 0.3 AML other m 2023-04-25T21:14:18.37
IV.SSFR.HNE. ML:2.3 0.00047250000000000005 0.28 AML other m 2023-04-25T21:14:18.72
IV.SSFR.HHE. ML:2.2 0.000443 0.24 AML other m 2023-04-25T21:14:18.73
IV.FOSV.EHN. ML:1.2 0.0000366 0.6 AML other m 2023-04-25T21:14:18.44
IV.SSFR.HHN. ML:2.2 0.0004215 0.18 AML other m 2023-04-25T21:14:18.72
IV.SSFR.HNN. ML:2.2 0.000428 0.2 AML other m 2023-04-25T21:14:18.82
IV.FRON.EHE. ML:1.4 0.00006214999999999999 1.46 AML other m 2023-04-25T21:14:18.99
IV.FRON.EHN. ML:1.6 0.00011199999999999998 0.84 AML other m 2023-04-25T21:14:19.22
IV.SNTG.HHE. ML:1.3 0.00005115 0.56 AML other m 2023-04-25T21:14:19.67
IV.PIEI.HHE. ML:1.5 0.0000761 1.6 AML other m 2023-04-25T21:14:20.96
IV.ARVD.HHE. ML:1.4 0.00006205 0.24 AML other m 2023-04-25T21:14:20.17
IV.ARVD.HHN. ML:1.4 0.00005915000000000001 1.18 AML other m 2023-04-25T21:14:20.24
IV.PIEI.HHN. ML:1.3 0.000045600000000000004 0.18 AML other m 2023-04-25T21:14:20.51
IV.SNTG.HHN. ML:1.5 0.00007305 0.18 AML other m 2023-04-25T21:14:20.68
IV.MPAG.EHN. ML:1.6 0.00009255 0.36 AML other m 2023-04-25T21:14:20.79
IV.MPAG.EHE. ML:1.7 0.00011449999999999999 1.14 AML other m 2023-04-25T21:14:20.29
IV.ATVO.HHE. ML:1.6 0.00008740000000000001 0.88 AML other m 2023-04-25T21:14:21.45
IV.ATVO.HHN. ML:1.4 0.00005645 0.42 AML other m 2023-04-25T21:14:21.45
IV.MURB.HHN. ML:1.8 0.000152 1.04 AML other m 2023-04-25T21:14:21.38
IV.MML1.EHN. ML:1.4 0.000052449999999999994 1.4 AML other m 2023-04-25T21:14:21.28
IV.MURB.HHE. ML:2.0 0.000208 1.64 AML other m 2023-04-25T21:14:22.93
IV.MML1.EHE. ML:1.5 0.00005505 1.4 AML other m 2023-04-25T21:14:22.21
IV.ATCC.EHN. ML:1.7 0.0000981 0.9 AML other m 2023-04-25T21:14:22.41
IV.ATPI.EHN. ML:1.5 0.00006494999999999999 1.5 AML other m 2023-04-25T21:14:22.86
IV.ATCC.EHE. ML:1.6 0.00009725 1.56 AML other m 2023-04-25T21:14:23.83
IV.ATPI.EHE. ML:1.5 0.0000697 0.42 AML other m 2023-04-25T21:14:23.46
IV.EL6.EHE. ML:1.7 0.0001022 0.68 AML other m 2023-04-25T21:14:23.62
IV.ASSB.HHN. ML:1.5 0.000055599999999999996 0.48 AML other m 2023-04-25T21:14:23.75
IV.BADI.EHE. ML:1.6 0.00006495 1.48 AML other m 2023-04-25T21:14:24.04
IV.BADI.EHN. ML:1.4 0.00005165 1.58 AML other m 2023-04-25T21:14:24.18
IV.ASSB.HHE. ML:1.5 0.000057050000000000004 0.42 AML other m 2023-04-25T21:14:24.43
IV.EL6.EHN. ML:1.8 0.00012204999999999999 1.26 AML other m 2023-04-25T21:14:25.35
IV.GUMA.HHE. ML:2.0 0.000152 1.1 AML other m 2023-04-25T21:14:27.42
IV.MGAB.HHN. ML:1.5 0.000038650000000000004 0.54 AML other m 2023-04-25T21:14:28.12
IV.GUMA.HHN. ML:1.9 0.00011224999999999999 0.92 AML other m 2023-04-25T21:14:28.48
IV.MGAB.HHE. ML:1.5 0.0000374 0.48 AML other m 2023-04-25T21:14:41.53
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