Earthquake with magnitude of ML 1.1 on date 07-04-2023 and time 06:31:33 (Italy) in region 3 km NE Sellano (PG)

A magnitude ML 1.1 earthquake occured in region: 3 km NE Sellano (PG), on

  • 07-04-2023 04:31:33 (UTC)
  • 07-04-2023 06:31:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9110, 12.9540 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 3 1079 1079
Preci PG 8 724 1803
Monte Cavallo MC 10 145 1948
Cerreto di Spoleto PG 11 1075 3023
Visso MC 11 1107 4130
Ussita MC 16 444 4574
Castelsantangelo sul Nera MC 16 281 4855
Pieve Torina MC 17 1458 6313
Trevi PG 17 8469 14782
Vallo di Nera PG 17 364 15146
Norcia PG 17 4957 20103
Campello sul Clitunno PG 18 2442 22545
Fiordimonte MC 18 202 22747
Serravalle di Chienti MC 18 1070 23817
Pievebovigliana MC 20 866 24683

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
51 Km E of Perugia (166134 inhabitants)
67 Km W of Teramo (54892 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
91 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 1.1 2023-04-07
04:31:33
42.9113 12.9537 11 2024-03-01
17:18:03
Bollettino Sismico Italiano INGV 116449891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-07 04:31:33 ± 0.04
Latitude 42.9113 ± 0.0018
Longitude 12.9537 ± 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 116449891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 245
Semi-minor axis of confidence ellipse (meter) 207
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.08633
Epicentral distance of station farthest from the epicenter (degree) 0.43167
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 116449891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-17 08:04:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2023-04-07T04:31:48.99 0.3 undecidable manual S 14 47.9187 50 0.32 67
IV.SNTG.HHZ. 2023-04-07T04:31:46.21 0.6 undecidable manual S 358 38.1285 50 0.14 47
IV.LNSS.HNZ. 2023-04-07T04:31:45.22 0.6 undecidable manual S 168 34.9428 50 0 49
IV.GUMA.HHZ. 2023-04-07T04:31:45.61 0.3 undecidable manual S 61 35.2425 50 0.32 68
IV.MMO1.EHZ. 2023-04-07T04:31:44.01 0.3 undecidable manual S 92 30.3474 50 0.02 73
IV.CSP1.EHZ. 2023-04-07T04:31:43.48 0.6 undecidable manual S 45 28.5492 50 -0.03 49
IV.ASSB.HHZ. 2023-04-07T04:31:43.35 0.3 undecidable manual S 301 28.0497 50 -0.01 74
7F.SIB2.EHZ. 2023-04-07T04:31:43.49 0.3 undecidable manual S 94 28.5492 50 -0.02 74
IV.EL6.EHZ. 2023-04-07T04:31:42.17 0.3 undecidable manual P 14 47.9187 50 -0.03 71
7F.SIB3.EHZ. 2023-04-07T04:31:42.56 0.3 undecidable manual S 99 26.0517 50 -0.27 70
7F.SIB1.EHZ. 2023-04-07T04:31:42.57 0.3 undecidable manual S 94 25.752 50 -0.2 71
IV.GAVE.EHZ. 2023-04-07T04:31:42.46 0.3 undecidable manual S 191 24.753 50 -0.04 74
IV.CESX.HHE. 2023-04-07T04:31:41.96 0.3 undecidable manual P 222 44.9217 50 0.21 69
IV.MML1.EHZ. 2023-04-07T04:31:41.44 0.3 undecidable manual S 4 22.4553 50 -0.44 68
IV.GUMA.HHZ. 2023-04-07T04:31:40.46 0.3 undecidable manual P 61 35.2425 50 0.21 70
IV.FDMO.HHZ. 2023-04-07T04:31:40.30 0.6 undecidable manual S 38 17.5713 122 -0.24 48
IV.LNSS.HNZ. 2023-04-07T04:31:40.10 0.1 undecidable manual P 168 34.9428 50 -0.11 95
IV.ARRO.EHZ. 2023-04-07T04:31:40.85 0.6 undecidable manual P 203 39.9267 50 -0.12 47
IV.SNTG.HHZ. 2023-04-07T04:31:40.27 0.6 undecidable manual P 358 38.1285 50 -0.43 44
IV.NRCA.HHZ. 2023-04-07T04:31:39.77 0.3 undecidable manual S 123 15.6732 125 -0.2 72
IV.CSP1.EHZ. 2023-04-07T04:31:39.32 0.1 undecidable manual P 45 28.5492 50 0.09 96
7F.SIB2.EHZ. 2023-04-07T04:31:39.20 0.3 undecidable manual P 94 28.5492 50 -0.02 73
IV.MMO1.EHZ. 2023-04-07T04:31:39.48 0.3 undecidable manual P 92 30.3474 50 -0.02 73
IV.MOMA.HNZ. 2023-04-07T04:31:39.89 0.6 undecidable manual P 249 33.4443 50 -0.08 48
7F.SIB1.EHZ. 2023-04-07T04:31:38.86 0.1 undecidable manual P 94 25.752 50 0.06 98
IV.GAVE.EHZ. 2023-04-07T04:31:38.76 0.3 undecidable manual P 191 24.753 50 0.12 72
IT.MTCL.HGZ. 2023-04-07T04:31:38.22 0.1 undecidable manual S 22 9.879 138 -0.23 97
IV.ASSB.HHZ. 2023-04-07T04:31:38.97 0.3 undecidable manual P 301 28.0497 50 -0.17 71
IV.CESI.HNZ. 2023-04-07T04:31:38.69 0.3 undecidable manual S 339 11.0778 134 -0.06 75
IV.FEMA.HNZ. 2023-04-07T04:31:38.48 0.6 undecidable manual S 54 9.5793 138 0.09 50
7F.SIB3.EHZ. 2023-04-07T04:31:38.91 0.1 undecidable manual P 99 26.0517 50 0.08 97
IV.MML1.EHZ. 2023-04-07T04:31:38.36 0.3 undecidable manual P 4 22.4553 50 0.08 73
IV.NRCA.HHZ. 2023-04-07T04:31:37.29 0.1 positive manual P 123 15.6732 125 0.11 98
IV.FDMO.HHZ. 2023-04-07T04:31:37.52 0.1 undecidable manual P 38 17.5713 122 0.01 100
IV.FEMA.HNZ. 2023-04-07T04:31:36.47 0.1 undecidable manual P 54 9.5793 138 0.2 97
IT.MTCL.HGZ. 2023-04-07T04:31:36.41 0.1 undecidable manual P 22 9.879 138 0.11 99
IV.CESI.HNZ. 2023-04-07T04:31:36.66 0.3 undecidable manual P 339 11.0778 134 0.19 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.00008599999999999999 0.16 AML other m 2023-04-07T04:31:40.03
IV.NRCA.HHE. ML:0.9 0.0000696 0.16 AML other m 2023-04-07T04:31:40.48
IV.FDMO.HHE. ML:1.2 0.000142 0.36 AML other m 2023-04-07T04:31:40.65
IV.FDMO.HHN. ML:1.0 0.00008730000000000001 1.62 AML other m 2023-04-07T04:31:40.05
IV.MML1.EHE. ML:1.5 0.0002155 0.2 AML other m 2023-04-07T04:31:42.17
IV.MML1.EHN. ML:1.2 0.0001085 0.16 AML other m 2023-04-07T04:31:42.15
IV.GAVE.EHE. ML:1.2 0.0001038 0.3 AML other m 2023-04-07T04:31:42.86
IV.GAVE.EHN. ML:1.1 0.00007125000000000001 0.18 AML other m 2023-04-07T04:31:43.10
IV.SNTG.HHE. ML:0.9 0.00002995 0.1 AML other m 2023-04-07T04:31:46.95
IV.SNTG.HHN. ML:0.8 0.0000273 1.72 AML other m 2023-04-07T04:31:46.05
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