Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 23-04-2023 and time 11:37:53 (Italy) in region 3 km N Cannara (PG)

A magnitude ML 1.7 earthquake occured in region: 3 km N Cannara (PG), on

  • 23-04-2023 09:37:53 (UTC)
  • 23-04-2023 11:37:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0260, 12.5890 at 9 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
Cannara PG 3 4305 4305
Bastia Umbra PG 6 21874 26179
Assisi PG 6 28299 54478
Spello PG 8 8645 63123
Bettona PG 9 4367 67490
Bevagna PG 10 5081 72571
Foligno PG 12 57155 129726
Torgiano PG 13 6725 136451
Gualdo Cattaneo PG 13 6155 142606
Valtopina PG 14 1398 144004
Deruta PG 15 9669 153673
Valfabbrica PG 15 3389 157062
Montefalco PG 16 5679 162741
Perugia PG 19 166134 328875
Nocera Umbra PG 19 5839 334714
Collazzone PG 19 3473 338187

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km NW of Foligno (57155 inhabitants)
19 Km E of Perugia (166134 inhabitants)
52 Km N of Terni (111501 inhabitants)
75 Km SE of Arezzo (99543 inhabitants)
78 Km NE of Viterbo (67173 inhabitants)
98 Km SW of Fano (60888 inhabitants)
100 Km W of Teramo (54892 inhabitants)
100 Km NW of L'Aquila (69753 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 1.7 2023-04-23
09:37:53		 43.0257 12.5892 9 2024-03-01
17:18:06		 Bollettino Sismico Italiano INGV 116955111
Reviewed
Rev100 		ML 1.7 2023-04-23
09:37:53		 43.0253 12.5848 10 2023-04-23
09:43:16		 Sala Sismica INGV-Roma 116638411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-23 09:37:53 ± 0.06
Latitude 43.0257 ± 0.0027
Longitude 12.5892 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116955111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 320
Semi-minor axis of confidence ellipse (meter) 111
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 43
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.69068
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 116638411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-23 09:43:16

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 116955111
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-09 11:03:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FNVD.HHZ. 2023-04-23T09:38:44.16 3.0 undecidable manual S 1.24 0
IV.RIBO.EHZ.01 2023-04-23T09:38:16.39 3.0 undecidable manual P 0.86 0
IV.LNSS.HHZ. 2023-04-23T09:38:13.36 0.3 undecidable manual S 142 59.5959 50 0.73 58
IV.ARVD.HHZ. 2023-04-23T09:38:13.02 0.6 undecidable manual S 28 59.5959 50 0.37 43
IV.EL6.EHZ. 2023-04-23T09:38:11.32 0.3 undecidable manual S 51 53.4021 50 0.33 67
IV.ATPI.EHZ. 2023-04-23T09:38:10.27 0.6 undecidable manual S 342 49.5171 50 0.33 45
IV.CSP1.EHZ. 2023-04-23T09:38:10.77 0.6 undecidable manual S 81 50.4162 50 0.58 42
IV.NRCA.HHZ. 2023-04-23T09:38:09.56 0.3 undecidable manual S 116 47.7189 50 0.1 71
IV.SSFR.HHZ. 2023-04-23T09:38:09.65 0.3 undecidable manual S 19 48.1185 50 0.07 71
IV.FDMO.HHZ. 2023-04-23T09:38:07.52 0.3 undecidable manual S 88 40.4262 50 0 73
IV.MGAB.HHZ. 2023-04-23T09:38:07.49 0.3 undecidable manual S 252 40.7259 50 -0.1 71
IV.ATMI.HHZ. 2023-04-23T09:38:07.79 0.3 undecidable manual S 323 42.9237 50 -0.41 67
IV.RM33.EHZ. 2023-04-23T09:38:07.17 0.3 undecidable manual P 138 76.6677 50 -0.1 67
IV.SNTG.HHZ. 2023-04-23T09:38:06.74 0.3 undecidable manual S 48 38.1285 50 -0.18 71
IV.MF5.EHZ. 2023-04-23T09:38:06.82 0.3 undecidable manual P 93 70.7736 50 0.46 63
IV.CING.HHZ. 2023-04-23T09:38:05.18 0.1 undecidable manual P 51 62.493 50 0.08 92
IV.SACS.HHZ. 2023-04-23T09:38:05.05 0.3 undecidable manual P 251 58.5969 50 0.57 62
IV.FOSV.EHZ. 2023-04-23T09:38:05.27 0.1 undecidable manual S 25 32.9448 50 -0.25 94
IV.GUMA.HHZ. 2023-04-23T09:38:05.03 0.1 undecidable manual P 86 60.5949 50 0.23 89
IV.PIEI.HHZ. 2023-04-23T09:38:04.33 0.3 undecidable manual P 356 56.6988 50 0.12 69
IV.ARVD.HHZ. 2023-04-23T09:38:04.46 0.3 undecidable manual P 28 59.5959 50 -0.19 68
IV.CAFI.HHZ. 2023-04-23T09:38:04.94 0.1 undecidable manual P 304 60.5949 50 0.14 91
IV.LNSS.HHZ. 2023-04-23T09:38:04.01 0.3 undecidable manual P 142 59.5959 50 -0.63 60
IV.EL6.EHZ. 2023-04-23T09:38:03.65 0.1 undecidable manual P 51 53.4021 50 -0.04 94
IV.MURB.HHZ. 2023-04-23T09:38:03.68 0.1 undecidable manual S 349 26.8509 108 0.17 96
IV.CSP1.EHZ. 2023-04-23T09:38:03.08 0.3 undecidable manual P 81 50.4162 50 -0.16 69
IV.FRON.EHZ. 2023-04-23T09:38:03.89 0.3 undecidable manual P 11 55.6998 50 -0.15 69
IV.SSFR.HHZ. 2023-04-23T09:38:02.74 0.3 undecidable manual P 19 48.1185 50 -0.14 70
IV.ATMI.HHZ. 2023-04-23T09:38:02.16 0.3 undecidable manual P 323 42.9237 50 0.08 71
IV.NRCA.HHZ. 2023-04-23T09:38:02.69 0.1 undecidable manual P 116 47.7189 50 -0.12 94
IV.MOMA.HHZ. 2023-04-23T09:38:02.79 0.1 undecidable manual S 184 24.6531 109 0 100
IV.ATPI.EHZ. 2023-04-23T09:38:02.91 0.3 undecidable manual P 342 49.5171 50 -0.18 69
IV.CESI.HHZ. 2023-04-23T09:38:02.60 0.1 undecidable manual S 95 25.6521 109 -0.53 89
IV.MGAB.HHZ. 2023-04-23T09:38:01.59 0.1 undecidable manual P 252 40.7259 50 -0.14 94
IV.SNTG.HHZ. 2023-04-23T09:38:01.22 0.1 undecidable manual P 48 38.1285 50 -0.12 95
IV.FDMO.HHZ. 2023-04-23T09:38:01.50 0.1 undecidable manual P 88 40.4262 50 -0.19 94
IV.ATVA.EHE. 2023-04-23T09:38:01.00 0.1 undecidable manual P 319 37.3293 50 -0.21 94
IV.ATCC.EHZ. 2023-04-23T09:38:00.90 0.3 undecidable manual S 13 18.1707 115 0.2 73
IV.FOSV.EHZ. 2023-04-23T09:38:00.31 0.1 undecidable manual P 25 32.9448 50 -0.23 94
IV.CESI.HHZ. 2023-04-23T09:37:59.20 0.1 undecidable manual P 95 25.6521 109 0.04 99
IV.MURB.HHZ. 2023-04-23T09:37:59.37 0.1 undecidable manual P 349 26.8509 108 0 100
IV.MOMA.HHZ. 2023-04-23T09:37:58.97 0.1 undecidable manual P 184 24.6531 109 0.01 100
IV.ASSB.HHZ. 2023-04-23T09:37:57.31 0.3 undecidable manual S 72 5.994 145 -0.05 77
IV.ATCC.EHZ. 2023-04-23T09:37:57.94 0.1 undecidable manual P 13 18.1707 115 0.19 97
IV.ASSB.HHZ. 2023-04-23T09:37:56.03 0.1 positive manual P 72 5.994 145 0.21 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:2.0 0.0018599999999999999 0.2 AML other m 2023-04-23T09:37:57.42
IV.ASSB.HHE. ML:1.8 0.0011149999999999999 1.32 AML other m 2023-04-23T09:37:58.33
IV.ATCC.EHE. ML:2.1 0.001085 0.32 AML other m 2023-04-23T09:38:01.14
IV.ATCC.EHN. ML:2.0 0.000768 0.22 AML other m 2023-04-23T09:38:01.58
IV.MOMA.HHN. ML:1.3 0.00011025000000000001 0.26 AML other m 2023-04-23T09:38:03.97
IV.CESI.HHN. ML:1.6 0.000219 1.74 AML other m 2023-04-23T09:38:03.12
IV.MURB.HNE. ML:2.3 0.00113 1.54 AML other m 2023-04-23T09:38:03.99
IV.CESI.HHE. ML:1.7 0.00029949999999999996 0.28 AML other m 2023-04-23T09:38:04.14
IV.MURB.HHE. ML:2.3 0.001105 0.46 AML other m 2023-04-23T09:38:04.00
IV.MOMA.HHE. ML:1.8 0.00036899999999999997 0.82 AML other m 2023-04-23T09:38:04.45
IV.MOMA.HNE. ML:1.8 0.00039449999999999994 0.82 AML other m 2023-04-23T09:38:04.45
IV.MURB.HNN. ML:2.2 0.000943 0.24 AML other m 2023-04-23T09:38:04.60
IV.MURB.HHN. ML:2.2 0.0008865 0.88 AML other m 2023-04-23T09:38:04.61
IV.MOMA.HNN. ML:1.6 0.00026700000000000004 0.36 AML other m 2023-04-23T09:38:04.62
IV.FOSV.EHN. ML:1.7 0.00020950000000000002 0.18 AML other m 2023-04-23T09:38:05.85
IV.FOSV.HNE. ML:1.7 0.000201 1.7 AML other m 2023-04-23T09:38:06.06
IV.FOSV.EHE. ML:1.7 0.00019800000000000002 1.7 AML other m 2023-04-23T09:38:06.06
IV.FOSV.HNN. ML:1.7 0.00021349999999999999 0.76 AML other m 2023-04-23T09:38:06.85
IV.SNTG.HHE. ML:1.8 0.00021600000000000002 0.16 AML other m 2023-04-23T09:38:07.35
IV.SNTG.HNE. ML:1.7 0.000202 0.16 AML other m 2023-04-23T09:38:07.27
IV.SNTG.HNN. ML:1.8 0.000212 0.68 AML other m 2023-04-23T09:38:07.15
IV.SNTG.HHN. ML:1.7 0.000168 0.68 AML other m 2023-04-23T09:38:07.15
IV.FDMO.HHN. ML:1.6 0.00012745 0.2 AML other m 2023-04-23T09:38:08.14
IV.FDMO.HHE. ML:1.5 0.00011899999999999999 1.22 AML other m 2023-04-23T09:38:08.76
IV.MGAB.HHN. ML:1.8 0.0001995 1.22 AML other m 2023-04-23T09:38:09.34
IV.MGAB.HHE. ML:1.6 0.0001295 1.8 AML other m 2023-04-23T09:38:10.00
IV.ATMI.HHE. ML:1.6 0.000136 1.36 AML other m 2023-04-23T09:38:10.13
IV.SSFR.HHN. ML:2.1 0.00035350000000000003 0.62 AML other m 2023-04-23T09:38:10.55
IV.NRCA.HHN. ML:1.8 0.00016649999999999998 0.1 AML other m 2023-04-23T09:38:10.88
IV.SSFR.HHE. ML:2.3 0.0005425 1.4 AML other m 2023-04-23T09:38:10.26
IV.ATMI.HHN. ML:1.6 0.00013800000000000002 1.26 AML other m 2023-04-23T09:38:11.88
IV.ATPI.EHN. ML:1.3 0.0000483 0.28 AML other m 2023-04-23T09:38:12.46
IV.FRON.EHE. ML:1.9 0.0002 1.06 AML other m 2023-04-23T09:38:12.24
IV.NRCA.HHE. ML:1.5 0.00009095 1.22 AML other m 2023-04-23T09:38:13.17
IV.PIEI.HHN. ML:1.6 0.00007960000000000001 0.3 AML other m 2023-04-23T09:38:13.23
IV.FRON.EHN. ML:1.8 0.0001604 0.44 AML other m 2023-04-23T09:38:13.60
IV.ARVD.HHN. ML:1.4 0.00004755 0.22 AML other m 2023-04-23T09:38:13.77
IV.ARVD.HHE. ML:1.4 0.0000544 1.44 AML other m 2023-04-23T09:38:14.72
IV.ATPI.EHE. ML:1.2 0.0000393 1.74 AML other m 2023-04-23T09:38:14.98
IV.SACS.HHE. ML:1.5 0.00006575 1.48 AML other m 2023-04-23T09:38:14.23
IV.CING.HHN. ML:1.4 0.00004605 0.18 AML other m 2023-04-23T09:38:14.35
IV.CAFI.HHE. ML:1.4 0.000050900000000000004 0.44 AML other m 2023-04-23T09:38:14.52
IV.CAFI.HHN. ML:1.3 0.00004555 0.64 AML other m 2023-04-23T09:38:14.62
IV.PIEI.HHE. ML:1.5 0.0000722 0.3 AML other m 2023-04-23T09:38:14.76
IV.LNSS.HHE. ML:1.6 0.00007939999999999999 0.34 AML other m 2023-04-23T09:38:14.78
IV.GUMA.HHE. ML:1.9 0.000149 0.58 AML other m 2023-04-23T09:38:14.67
IV.GUMA.HHN. ML:1.8 0.000118 0.92 AML other m 2023-04-23T09:38:15.58
IV.LNSS.HHN. ML:1.6 0.00007965 0.22 AML other m 2023-04-23T09:38:15.54
IV.CING.HHE. ML:1.4 0.000046649999999999996 1.32 AML other m 2023-04-23T09:38:16.09
IV.SACS.HHN. ML:1.4 0.00006030000000000001 0.44 AML other m 2023-04-23T09:38:18.86
IV.RM33.EHE. ML:1.7 0.00006955 1.74 AML other m 2023-04-23T09:38:22.93
IV.RM33.EHN. ML:1.4 0.000041800000000000006 0.48 AML other m 2023-04-23T09:38:25.74
IV.RIBO.EHN.01 ML:2.1 0.00008635000000000001 1.3 AML other m 2023-04-23T09:38:36.30
IV.RIBO.EHE.01 ML:2.1 0.0000826165 0.42 AML other m 2023-04-23T09:38:37.53
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