Earthquake with magnitude of ML 1.2 on date 28-04-2023 and time 07:08:04 (Italy) in region 6 km W Sellano (PG)

A magnitude ML 1.2 earthquake occured in region: 6 km W Sellano (PG), on

  • 28-04-2023 05:08:04 (UTC)
  • 28-04-2023 07:08:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8680, 12.8600 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
Sellano PG 6 1079 1079
Cerreto di Spoleto PG 7 1075 2154
Campello sul Clitunno PG 9 2442 4596
Trevi PG 9 8469 13065
Vallo di Nera PG 11 364 13429
Preci PG 15 724 14153
Sant'Anatolia di Narco PG 15 564 14717
Castel Ritaldi PG 16 3278 17995
Foligno PG 16 57155 75150
Montefalco PG 17 5679 80829
Scheggino PG 17 461 81290
Spoleto PG 18 38218 119508
Monte Cavallo MC 18 145 119653
Poggiodomo PG 18 117 119770

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km SE of Foligno (57155 inhabitants)
38 Km NE of Terni (111501 inhabitants)
47 Km SE of Perugia (166134 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
73 Km W of Teramo (54892 inhabitants)
79 Km NE of Viterbo (67173 inhabitants)
97 Km N of Guidonia Montecelio (88673 inhabitants)
99 Km SW of Ancona (100861 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 1.2 2023-04-28
05:08:04
42.8675 12.8603 11 2024-03-01
17:18:08
Bollettino Sismico Italiano INGV 117375361
Reviewed
Rev100
ML 1.2 2023-04-28
05:08:04
42.8703 12.8558 9 2023-04-28
05:12:28
Sala Sismica INGV-Roma 116821791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-28 05:08:04 ± 0.04
Latitude 42.8675 ± 0.0018
Longitude 12.8603 ± 0.0025
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 117375361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 189
Semi-minor axis of confidence ellipse (meter) 126
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 103
Circular confidence region, given by single value of horizontal uncertainty (meter) 190.0
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 40
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52161
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 117375361
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-15 09:25:32

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 116821791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-28 05:12:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TRIF.CHZ. 2023-04-28T05:08:52.83 3.0 undecidable manual S 0.02 0
IV.MMO1.EHN. 2023-04-28T05:08:16.84 0.6 undecidable manual S 85 38.1285 50 0.04 48
IV.CESX.HHZ. 2023-04-28T05:08:16.26 0.3 undecidable manual S 218 36.3414 50 -0.08 72
7F.SIB2.EHE. 2023-04-28T05:08:16.13 0.6 undecidable manual S 86 36.1416 50 -0.16 47
IV.CSP1.EHZ. 2023-04-28T05:08:16.71 0.6 undecidable manual S 48 37.4292 50 0.08 48
IV.LNSS.HHZ. 2023-04-28T05:08:15.24 0.3 undecidable manual S 153 32.8449 50 -0.16 71
7F.SIB3.EHN. 2023-04-28T05:08:15.26 0.3 undecidable manual S 88 33.3444 50 -0.27 69
IV.EL6.EHZ. 2023-04-28T05:08:14.00 0.1 undecidable manual P 21 54.8007 50 -0.01 94
IV.MML1.EHZ. 2023-04-28T05:08:14.54 0.3 undecidable manual S 18 28.749 50 0.23 70
IV.CAMP.HHZ. 2023-04-28T05:08:14.72 0.1 undecidable manual P 129 57.8976 50 0.23 89
IV.FDMO.HHZ. 2023-04-28T05:08:13.46 0.6 undecidable manual S 44 26.2515 50 -0.19 47
IV.RM33.EHZ. 2023-04-28T05:08:13.23 0.6 negative manual P 144 49.1175 50 0.09 47
IV.MF5.EHZ. 2023-04-28T05:08:13.78 0.6 undecidable manual P 74 50.5161 50 0.44 43
IV.ASSB.HHZ. 2023-04-28T05:08:13.16 0.3 undecidable manual S 320 25.3524 50 -0.26 70
IV.MOMA.HHZ. 2023-04-28T05:08:13.28 0.6 undecidable manual S 253 24.6531 50 0.06 49
IV.MURB.HHZ. 2023-04-28T05:08:13.79 0.3 positive manual P 328 51.6039 50 0.27 67
IV.GUMA.HHZ. 2023-04-28T05:08:12.78 0.1 undecidable manual P 61 44.2224 50 0.4 88
IV.SNTG.HHZ. 2023-04-28T05:08:12.12 0.1 undecidable manual P 9 43.5231 50 -0.14 93
IV.FOSV.EHZ. 2023-04-28T05:08:12.83 0.1 undecidable manual P 350 48.1185 50 -0.14 92
IV.NRCA.HNZ. 2023-04-28T05:08:12.14 0.6 undecidable manual S 100 20.9679 50 -0.1 49
7F.SIB2.EHE. 2023-04-28T05:08:11.08 0.1 undecidable manual P 86 36.1416 50 -0.05 96
IV.CSP1.EHZ. 2023-04-28T05:08:11.45 0.1 positive manual P 48 37.4292 50 0.12 95
IV.FEMA.HNZ. 2023-04-28T05:08:11.44 0.6 undecidable manual S 56 18.6702 120 -0.11 49
IV.GAVE.EHZ. 2023-04-28T05:08:11.72 0.3 undecidable manual S 172 19.6692 119 -0.13 73
IT.MTCL.HGZ. 2023-04-28T05:08:11.20 0.6 undecidable manual S 39 17.9709 121 -0.16 48
IV.MMO1.EHN. 2023-04-28T05:08:11.43 0.1 undecidable manual P 85 38.1285 50 0 97
IV.CESX.HHZ. 2023-04-28T05:08:11.18 0.3 undecidable manual P 218 36.3414 50 0.01 73
IV.LNSS.HHZ. 2023-04-28T05:08:10.58 0.3 undecidable manual P 153 32.8449 50 -0.04 73
IV.ARRO.EHZ. 2023-04-28T05:08:10.68 0.1 undecidable manual P 194 32.9448 50 0.05 97
7F.SIB3.EHN. 2023-04-28T05:08:10.63 0.1 undecidable manual P 88 33.3444 50 -0.07 96
IV.CESI.HNZ. 2023-04-28T05:08:10.57 0.6 undecidable manual S 13 15.6732 124 -0.1 49
IV.ASSB.HHZ. 2023-04-28T05:08:09.38 0.1 positive manual P 320 25.3524 50 -0.1 97
IV.MOMA.HHZ. 2023-04-28T05:08:09.40 0.1 undecidable manual P 253 24.6531 50 0.04 98
IV.FDMO.HHZ. 2023-04-28T05:08:09.61 0.3 positive manual P 44 26.2515 50 0 74
IV.MML1.EHZ. 2023-04-28T05:08:09.96 0.1 undecidable manual P 18 28.749 50 -0.03 98
IV.CESI.HNZ. 2023-04-28T05:08:08.00 0.1 undecidable manual P 13 15.6732 124 0.11 98
IV.NRCA.HNZ. 2023-04-28T05:08:08.84 0.1 undecidable manual P 100 20.9679 50 0.04 99
IV.FEMA.HNZ. 2023-04-28T05:08:08.40 0.1 undecidable manual P 56 18.6702 120 0 100
IV.GAVE.EHZ. 2023-04-28T05:08:08.63 0.1 undecidable manual P 172 19.6692 119 0.06 99
IT.MTCL.HGZ. 2023-04-28T05:08:08.28 0.1 undecidable manual P 39 17.9709 121 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.4 0.00021050000000000002 0.62 AML other m 2023-04-28T05:08:13.38
IV.GAVE.EHN. ML:1.5 0.00023549999999999998 0.16 AML other m 2023-04-28T05:08:13.48
IV.ASSB.HHE. ML:1.3 0.00011295 0.3 AML other m 2023-04-28T05:08:13.50
IV.ASSB.HHN. ML:1.4 0.00014600000000000003 0.9 AML other m 2023-04-28T05:08:13.54
IV.FDMO.HHE. ML:1.1 0.00007439999999999999 0.46 AML other m 2023-04-28T05:08:14.38
IV.MML1.EHN. ML:1.1 0.0000655 0.2 AML other m 2023-04-28T05:08:14.90
IV.FDMO.HHN. ML:1.0 0.000054600000000000006 0.4 AML other m 2023-04-28T05:08:15.34
IV.LNSS.HHE. ML:1.4 0.00011449999999999999 0.12 AML other m 2023-04-28T05:08:16.20
IV.ARRO.EHE. ML:1.0 0.00004115 0.28 AML other m 2023-04-28T05:08:16.24
IV.LNSS.HHN. ML:1.3 0.00009335 0.14 AML other m 2023-04-28T05:08:17.13
IV.ARRO.EHN. ML:1.0 0.0000408 0.46 AML other m 2023-04-28T05:08:17.28
IV.MML1.EHE. ML:1.0 0.00004375 1.44 AML other m 2023-04-28T05:08:17.09
IV.SNTG.HHE. ML:0.9 0.00002615 0.08 AML other m 2023-04-28T05:08:19.55
IV.RM33.EHN. ML:1.0 0.000030550000000000004 0.14 AML other m 2023-04-28T05:08:20.63
IV.RM33.EHE. ML:1.2 0.000038599999999999996 0.52 AML other m 2023-04-28T05:08:21.54
IV.MURB.HHE. ML:1.4 0.0000697 1.68 AML other m 2023-04-28T05:08:21.13
IV.MURB.HHN. ML:1.3 0.00005615 1.76 AML other m 2023-04-28T05:08:24.97
IV.SNTG.HHN. ML:0.9 0.0000269 0.1 AML other m 2023-04-28T05:08:28.68
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