Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 25-04-2023 and time 03:51:30 (Italy) in region 4 km SE Sellano (PG)

A magnitude ML 1.5 earthquake occured in region: 4 km SE Sellano (PG), on

  • 25-04-2023 01:51:30 (UTC)
  • 25-04-2023 03:51:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8550, 12.9540 at 10 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
Sellano PG 4 1079 1079
Cerreto di Spoleto PG 5 1075 2154
Preci PG 8 724 2878
Vallo di Nera PG 12 364 3242
Norcia PG 13 4957 8199
Visso MC 14 1107 9306
Campello sul Clitunno PG 15 2442 11748
Cascia PG 16 3217 14965
Poggiodomo PG 16 117 15082
Monte Cavallo MC 16 145 15227
Sant'Anatolia di Narco PG 17 564 15791
Trevi PG 17 8469 24260
Castelsantangelo sul Nera MC 17 281 24541
Ussita MC 18 444 24985
Scheggino PG 19 461 25446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
41 Km NE of Terni (111501 inhabitants)
54 Km SE of Perugia (166134 inhabitants)
65 Km W of Teramo (54892 inhabitants)
67 Km NW of L'Aquila (69753 inhabitants)
85 Km NE of Viterbo (67173 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Guidonia Montecelio (88673 inhabitants)
100 Km N of Tivoli (56533 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 1.5 2023-04-25
01:51:30		 42.8553 12.9542 10 2024-03-01
17:18:19		 Bollettino Sismico Italiano INGV 124158391
Reviewed
Rev100 		ML 1.6 2023-04-25
01:51:30		 42.8572 12.9557 10 2023-04-25
01:59:15		 Sala Sismica INGV-Roma 116720701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-25 01:51:30 ± 0.04
Latitude 42.8553 ± 0.0018
Longitude 12.9542 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124158391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 295
Semi-minor axis of confidence ellipse (meter) 147
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 91
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) 51
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 43
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.11961
Epicentral distance of station farthest from the epicenter (degree) 0.74554
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 78
Type of magnitude ML
Reference to an origin 124158391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-30 11:02:56

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 116720701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-25 01:59:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2023-04-25T01:51:45.91 0.3 undecidable manual P 336 82.7505 50 0.67 56
IV.FRON.EHZ. 2023-04-25T01:51:44.26 0.3 undecidable manual P 346 75.7686 50 0.09 66
IV.GUMA.HHZ. 2023-04-25T01:51:44.62 0.6 undecidable manual S 53 38.5281 50 0.74 40
IV.ARVD.HHZ. 2023-04-25T01:51:43.46 0.3 undecidable manual P 359 71.2731 50 -0.02 68
IV.CSP1.EHZ. 2023-04-25T01:51:42.38 0.3 undecidable manual S 38 33.2445 50 -0.08 72
IV.ARRO.EHZ. 2023-04-25T01:51:42.73 0.3 undecidable manual S 207 34.2435 50 -0.02 73
IV.MNTT.EHZ. 2023-04-25T01:51:42.16 0.3 undecidable manual P 66 56.8986 50 0.9 53
IV.MML1.EHZ. 2023-04-25T01:51:41.15 0.3 undecidable manual S 3 28.6491 50 -0.1 72
IV.LNSS.HHZ. 2023-04-25T01:51:41.10 0.3 undecidable manual S 166 28.8489 50 -0.2 71
IV.MMO1.EHZ. 2023-04-25T01:51:41.46 0.3 undecidable manual S 81 30.6471 50 -0.33 69
IV.ASSB.HHZ. 2023-04-25T01:51:41.90 0.3 undecidable manual S 311 31.746 50 -0.17 71
IV.TERO.HHZ. 2023-04-25T01:51:41.72 0.3 undecidable manual P 116 58.8966 50 0.15 68
IV.CING.HHZ. 2023-04-25T01:51:41.88 0.3 undecidable manual P 19 60.8946 50 0 69
7F.SIB2.EHZ. 2023-04-25T01:51:40.96 0.6 undecidable manual S 82 28.6491 50 -0.3 46
IV.FOSV.EHZ. 2023-04-25T01:51:40.43 0.1 positive manual P 342 51.2154 50 0.05 93
7F.SIB3.EHZ. 2023-04-25T01:51:40.47 0.6 undecidable manual S 85 25.752 50 0 49
IV.RM33.EHZ. 2023-04-25T01:51:39.23 0.3 undecidable manual P 151 43.9227 50 -0.03 71
IV.SNTG.HHZ. 2023-04-25T01:51:39.22 0.3 undecidable manual P 359 44.3223 50 -0.11 70
IV.ATCC.EHZ. 2023-04-25T01:51:39.39 0.1 negative manual P 325 44.622 50 0.03 95
IV.FDMO.HHZ. 2023-04-25T01:51:39.33 0.3 undecidable manual S 28 22.8549 114 -0.35 69
IV.CESX.HHZ. 2023-04-25T01:51:38.66 0.3 undecidable manual P 228 40.5261 50 -0.09 71
IV.GAVE.EHZ. 2023-04-25T01:51:38.31 0.3 undecidable manual S 195 18.7701 119 -0.11 73
IV.SMA1.EHZ. 2023-04-25T01:51:38.96 0.3 undecidable manual P 129 39.8268 50 0.33 67
IV.GUMA.HHZ. 2023-04-25T01:51:38.64 0.3 undecidable manual P 53 38.5281 50 0.21 69
IV.ASSB.HHZ. 2023-04-25T01:51:37.24 0.1 negative manual P 311 31.746 50 -0.14 95
IV.MOMA.HHZ. 2023-04-25T01:51:37.27 0.3 undecidable manual P 260 31.746 50 -0.12 72
IV.CESI.HHZ. 2023-04-25T01:51:37.79 0.3 undecidable manual S 346 17.0718 121 -0.12 73
IV.CSP1.EHZ. 2023-04-25T01:51:37.56 0.3 undecidable manual P 38 33.2445 50 -0.05 72
IT.MTCL.HGZ. 2023-04-25T01:51:37.34 0.6 undecidable manual S 13 15.7731 123 -0.2 48
IV.ARRO.EHZ. 2023-04-25T01:51:37.81 0.3 undecidable manual P 207 34.2435 50 0.04 72
IV.MMO1.EHZ. 2023-04-25T01:51:37.13 0.1 positive manual P 81 30.6471 50 -0.09 96
IV.FEMA.HNZ. 2023-04-25T01:51:37.16 0.6 undecidable manual S 33 14.1747 126 0.09 49
IV.NRCA.HNZ. 2023-04-25T01:51:36.73 0.3 undecidable manual S 100 13.2756 128 -0.09 74
7F.SIB3.EHZ. 2023-04-25T01:51:36.25 0.1 undecidable manual P 85 25.752 50 -0.21 94
IV.MML1.EHZ. 2023-04-25T01:51:36.91 0.1 negative manual P 3 28.6491 50 0 98
7F.SIB2.EHZ. 2023-04-25T01:51:36.74 0.1 undecidable manual P 82 28.6491 50 -0.17 95
IV.LNSS.HHZ. 2023-04-25T01:51:36.88 0.1 negative manual P 166 28.8489 50 -0.06 97
IV.FDMO.HHZ. 2023-04-25T01:51:35.88 0.3 undecidable manual P 28 22.8549 114 -0.12 73
IV.CESI.HHZ. 2023-04-25T01:51:35.12 0.1 negative manual P 346 17.0718 121 0.14 97
IV.GAVE.EHZ. 2023-04-25T01:51:35.46 0.3 undecidable manual P 195 18.7701 119 0.19 72
IV.FEMA.HNZ. 2023-04-25T01:51:34.66 0.3 undecidable manual P 33 14.1747 126 0.16 73
IV.NRCA.HNZ. 2023-04-25T01:51:34.50 0.1 positive manual P 100 13.2756 128 0.15 98
IT.MTCL.HGZ. 2023-04-25T01:51:34.79 0.1 undecidable manual P 13 15.7731 123 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:2.3 0.0019850000000000002 0.14 AML other m 2023-04-25T01:51:36.90
IV.NRCA.HHN. ML:2.3 0.0021922055 0.14 AML other m 2023-04-25T01:51:36.90
IV.NRCA.HNE. ML:1.7 0.0005940000000000001 0.08 AML other m 2023-04-25T01:51:36.92
IV.CESI.HNN. ML:1.4 0.00019112355 0.16 AML other m 2023-04-25T01:51:38.08
IV.CESI.HHN. ML:1.4 0.000227 0.16 AML other m 2023-04-25T01:51:38.16
IV.NRCA.HHE. ML:1.7 0.0005920452000000001 0.16 AML other m 2023-04-25T01:51:38.19
IV.SNTG.HNE. ML:1.6 0.00013423635 1.1896 AML other m 2023-04-25T01:51:38.64
IV.GAVE.HNN. ML:1.6 0.00029 0.26 AML other m 2023-04-25T01:51:38.76
IV.GAVE.HNE. ML:1.9 0.0006691069 0.1096 AML other m 2023-04-25T01:51:38.96
IV.GAVE.EHE. ML:1.9 0.0006884724 0.12 AML other m 2023-04-25T01:51:38.97
IV.CESI.HHE. ML:1.0 0.00008324203999999999 0.16 AML other m 2023-04-25T01:51:39.01
IV.GAVE.EHN. ML:2.0 0.0008355 0.16 AML other m 2023-04-25T01:51:39.12
IV.MMO1.HNN. ML:3.1 0.0055226495 0.82 AML other m 2023-04-25T01:51:39.76
IV.FDMO.HHN. ML:1.8 0.00038649999999999996 0.14 AML other m 2023-04-25T01:51:39.60
IV.FDMO.HHE. ML:1.7 0.000314 0.26 AML other m 2023-04-25T01:51:39.64
IV.CESI.HNE. ML:1.2 0.000120866145 0.2208 AML other m 2023-04-25T01:51:39.72
IV.FOSV.EHE. ML:0.6 0.000008698255 46.36 AML other m 2023-04-25T01:51:40.34
IV.FOSV.HNN. ML:1.5 0.000087495865 0.6 AML other m 2023-04-25T01:51:40.98
IV.MMO1.HNE. ML:3.0 0.005468905 0.5504 AML other m 2023-04-25T01:51:41.36
IV.LNSS.HHE. ML:1.6 0.0002255 0.1 AML other m 2023-04-25T01:51:41.42
IV.LNSS.HNE. ML:1.6 0.00020486515 0.1104 AML other m 2023-04-25T01:51:41.42
IV.MML1.EHE. ML:1.6 0.00021745300000000002 0.24 AML other m 2023-04-25T01:51:41.56
IV.MML1.HNE. ML:1.7 0.00023728909999999996 0.26 AML other m 2023-04-25T01:51:41.56
IV.LNSS.HHN. ML:1.5 0.00014579100000000001 0.14 AML other m 2023-04-25T01:51:41.71
IV.LNSS.HNN. ML:1.6 0.00021707505 0.2704 AML other m 2023-04-25T01:51:41.58
IV.MMO1.EHN. ML:1.5 0.00013317177 0.18 AML other m 2023-04-25T01:51:41.86
IV.MMO1.EHE. ML:1.3 0.00008664876500000001 0.16 AML other m 2023-04-25T01:51:42.03
IV.MML1.HNN. ML:1.4 0.00012898518 0.16 AML other m 2023-04-25T01:51:42.04
IV.MML1.EHN. ML:1.4 0.00011899999999999999 1.54 AML other m 2023-04-25T01:51:42.20
IV.ASSB.HHE. ML:1.4 0.00012266210499999999 0.06 AML other m 2023-04-25T01:51:42.21
IV.ASSB.HHN. ML:1.4 0.000115425825 0.08 AML other m 2023-04-25T01:51:42.94
IV.ARRO.EHE. ML:1.5 0.000132 0.2 AML other m 2023-04-25T01:51:43.55
IV.TERO.HNE. ML:1.7 0.00011594907999999999 0.86 AML other m 2023-04-25T01:51:44.06
IV.ARRO.EHN. ML:1.3 0.00007775 0.16 AML other m 2023-04-25T01:51:44.25
IV.MOMA.HHE. ML:1.1 0.00005497688 0.2 AML other m 2023-04-25T01:51:44.89
IV.ATCC.HNE. ML:1.5 0.00010275512000000001 0.56 AML other m 2023-04-25T01:51:45.41
IV.GUMA.HNN. ML:1.8 0.00022663 0.6904 AML other m 2023-04-25T01:51:45.17
IV.GUMA.HHN. ML:1.4 0.000083911585 0.26 AML other m 2023-04-25T01:51:45.18
IV.CESX.HHN. ML:1.0 0.000036361995 0.34 AML other m 2023-04-25T01:51:45.55
IV.SMA1.EHN. ML:1.0 0.00003461766 0.24 AML other m 2023-04-25T01:51:45.83
IV.SNTG.HHE. ML:1.1 0.000040600835 0.1 AML other m 2023-04-25T01:51:46.07
IV.MOMA.HHN. ML:0.6 0.000022338985 0.16 AML other m 2023-04-25T01:51:46.56
IV.ATCC.EHE. ML:1.1 0.00004034894 0.24 AML other m 2023-04-25T01:51:46.72
IV.SNTG.HHN. ML:1.2 0.000049000724999999995 0.1 AML other m 2023-04-25T01:51:46.73
IV.ATCC.EHN. ML:1.2 0.000045107419999999996 0.12 AML other m 2023-04-25T01:51:47.26
IV.SMA1.EHE. ML:1.2 0.00005462161 0.44 AML other m 2023-04-25T01:51:47.22
IV.RM33.EHN. ML:0.9 0.00002625006 0.22 AML other m 2023-04-25T01:51:47.36
IV.CESX.HHE. ML:1.0 0.00003545542 0.36 AML other m 2023-04-25T01:51:47.47
IV.CING.HNN. ML:3.4 0.005424061500000001 0.62 AML other m 2023-04-25T01:51:47.43
IV.PIEI.HNE. ML:1.9 0.00009810674499999999 0.7 AML other m 2023-04-25T01:51:48.19
IV.RM33.EHE. ML:1.0 0.000030683134000000004 0.18 AML other m 2023-04-25T01:51:48.40
IV.GUMA.HHE. ML:1.3 0.00007645992999999999 0.5 AML other m 2023-04-25T01:51:48.87
IV.FOSV.EHN. ML:0.8 0.0000133176 0.2 AML other m 2023-04-25T01:51:48.96
IV.CING.HHN. ML:1.2 0.00003106411 0.22 AML other m 2023-04-25T01:51:50.79
IV.TERO.HNN. ML:1.9 0.000163341565 0.6496 AML other m 2023-04-25T01:51:50.60
IV.PIEI.HHN. ML:1.1 0.0000137264585 1.1984 AML other m 2023-04-25T01:51:52.35
IV.MOMA.HNE. ML:1.4 0.000103816135 0.6208 AML other m 2023-04-25T01:51:52.11
IV.TERO.HHN. ML:1.1 0.000023758555 0.2 AML other m 2023-04-25T01:51:52.38
IV.MOMA.HNN. ML:1.4 0.00011135697 0.7392 AML other m 2023-04-25T01:51:52.84
IV.FRON.EHN. ML:1.0 0.000012945214999999999 0.6992 AML other m 2023-04-25T01:51:54.09
IV.RM33.HNN. ML:1.7 0.00015349155 0.8688 AML other m 2023-04-25T01:51:54.57
IV.GUMA.HNE. ML:1.6 0.00015542687 0.8704 AML other m 2023-04-25T01:51:54.96
IV.ATCC.HNN. ML:1.7 0.0001442832 0.7904 AML other m 2023-04-25T01:51:55.10
IV.RM33.HNE. ML:1.6 0.00013183774999999998 0.7104 AML other m 2023-04-25T01:51:56.54
IV.CING.HNE. ML:3.5 0.0067775775 1.2192 AML other m 2023-04-25T01:51:56.74
IV.SNTG.HNN. ML:1.6 0.00013573760000000002 0.8592 AML other m 2023-04-25T01:51:58.17
IV.TERO.HHE. ML:1.3 0.000039487675 0.48 AML other m 2023-04-25T01:52:01.06
IV.CING.HHE. ML:1.2 0.00003317967 1.4608 AML other m 2023-04-25T01:52:02.08
IV.MNTT.EHE. ML:1.8 0.0001496999 1.4608 AML other m 2023-04-25T01:52:03.78
IV.FOSV.HNE. ML:1.7 0.000124567045 1.12 AML other m 2023-04-25T01:52:03.65
IV.FRON.EHE. ML:0.8 0.0000086140175 0.6208 AML other m 2023-04-25T01:52:05.86
IV.ARVD.HHN. ML:1.1 0.00002089552 1.2 AML other m 2023-04-25T01:52:05.82
IV.MNTT.EHN. ML:1.8 0.0001287884 1.76 AML other m 2023-04-25T01:52:07.55
TV.SF11.HHN. ML:1.8 0.000054533189999999994 1.3008 AML other m 2023-04-25T01:52:08.38
IV.PIEI.HNN. ML:1.9 0.00011109605 0.7392 AML other m 2023-04-25T01:52:07.40
IV.ARVD.HHE. ML:1.1 0.00002139985 1.76 AML other m 2023-04-25T01:52:14.72
IV.PIEI.HHE. ML:0.9 0.000012265551499999999 1.7184 AML other m 2023-04-25T01:52:19.84
TV.SF11.HHE. ML:1.2 0.000016573516 0.5008 AML other m 2023-04-25T01:52:20.70
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