Earthquake with magnitude of ML 1.2 on date 01-04-2023 and time 16:06:10 (UTC) in region 4 km N Sellano (PG)

A magnitude ML 1.2 earthquake occured in region: 4 km N Sellano (PG), on

  • 01-04-2023 16:06:10 (UTC)
  • 01-04-2023 18:06:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9250, 12.9240 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.

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
Monte Cavallo MC 10 145 1224
Preci PG 11 724 1948
Cerreto di Spoleto PG 12 1075 3023
Visso MC 13 1107 4130
Trevi PG 15 8469 12599
Serravalle di Chienti MC 17 1070 13669
Campello sul Clitunno PG 17 2442 16111
Pieve Torina MC 17 1458 17569
Ussita MC 18 444 18013
Vallo di Nera PG 18 364 18377
Foligno PG 18 57155 75532
Fiordimonte MC 18 202 75734
Castelsantangelo sul Nera MC 19 281 76015

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
48 Km E of Perugia (166134 inhabitants)
70 Km W of Teramo (54892 inhabitants)
75 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 1.2 2023-04-01
16:06:10
42.9252 12.9243 10 2024-03-01
17:18:04
Bollettino Sismico Italiano INGV 116606501
Reviewed
Rev100
ML 1.2 2023-04-01
16:06:10
42.9257 12.9318 10 2023-04-01
16:17:33
Sala Sismica INGV-Roma 115950881
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-01 16:06:10 ± 0.05
Latitude 42.9252 ± 0.0027
Longitude 12.9243 ± 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 116606501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 303
Semi-minor axis of confidence ellipse (meter) 292
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
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) 62
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42448
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 115950881
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-01 16:17:33

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 22
Type of magnitude ML
Reference to an origin 116606501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-10 12:45:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESX.HHE. 2023-04-01T16:06:25.15 0.3 undecidable manual S 0.21 69
IV.EL6.EHZ. 2023-04-01T16:06:25.78 0.3 undecidable manual S 18 47.1195 50 0.1 70
IV.ATCC.EHZ. 2023-04-01T16:06:23.24 0.6 undecidable manual S 321 36.9297 50 0.27 46
IV.SNTG.HHZ. 2023-04-01T16:06:22.85 0.6 undecidable manual S 2 36.6411 50 -0.03 48
IV.MOMA.HNZ. 2023-04-01T16:06:21.35 0.6 undecidable manual S 245 31.8459 50 -0.25 47
7F.SIB1.EHZ. 2023-04-01T16:06:20.85 0.3 undecidable manual S 97 28.2495 50 0.19 71
IV.ASSB.HHZ. 2023-04-01T16:06:19.48 0.3 undecidable manual S 301 25.1526 111 -0.27 70
IV.EL6.EHZ. 2023-04-01T16:06:19.06 0.1 undecidable manual P 18 47.1195 50 -0.15 93
IV.GAVE.EHZ. 2023-04-01T16:06:19.91 0.3 undecidable manual S 185 25.9518 111 -0.09 73
IV.MML1.EHZ. 2023-04-01T16:06:18.33 0.3 undecidable manual S 10 21.2676 115 -0.16 72
IV.ATCC.EHZ. 2023-04-01T16:06:17.56 0.1 undecidable manual P 321 36.9297 50 -0.09 95
IV.MOMA.HNZ. 2023-04-01T16:06:17.52 0.3 undecidable manual P 245 31.8459 50 0.67 62
IV.SNTG.HHZ. 2023-04-01T16:06:17.32 0.1 undecidable manual P 2 36.6411 50 -0.28 92
IV.NRCA.HHZ. 2023-04-01T16:06:17.47 0.3 undecidable manual S 123 18.4704 118 -0.16 73
IV.FDMO.HHZ. 2023-04-01T16:06:17.20 0.6 undecidable manual S 47 18.0708 118 -0.31 47
7F.SIB1.EHZ. 2023-04-01T16:06:16.20 0.1 undecidable manual P 97 28.2495 50 -0.11 96
IT.MTCL.HGZ. 2023-04-01T16:06:15.07 0.1 undecidable manual S 39 9.7791 135 -0.1 100
IV.GAVE.EHZ. 2023-04-01T16:06:15.87 0.1 undecidable manual P 185 25.9518 111 -0.06 98
IV.CESI.HHZ. 2023-04-01T16:06:15.23 0.3 undecidable manual S 350 8.9799 137 0.25 73
IV.ASSB.HHZ. 2023-04-01T16:06:15.66 0.1 undecidable manual P 301 25.1526 111 -0.13 97
IV.FEMA.HNZ. 2023-04-01T16:06:15.49 0.3 undecidable manual S 68 10.9779 132 0.01 76
IV.MML1.EHZ. 2023-04-01T16:06:15.07 0.1 undecidable manual P 10 21.2676 115 0.01 100
IV.FDMO.HHZ. 2023-04-01T16:06:14.51 0.1 undecidable manual P 47 18.0708 118 0.02 100
IV.NRCA.HHZ. 2023-04-01T16:06:14.52 0.1 undecidable manual P 123 18.4704 118 -0.04 99
IT.MTCL.HGZ. 2023-04-01T16:06:13.32 0.1 undecidable manual P 39 9.7791 135 0.18 98
IV.CESI.HHZ. 2023-04-01T16:06:13.36 0.1 undecidable manual P 350 8.9799 137 0.32 95
IV.FEMA.HNZ. 2023-04-01T16:06:13.59 0.1 undecidable manual P 68 10.9779 132 0.27 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.3 0.0002735 0.42 AML other m 2023-04-01T16:06:15.44
IT.MTCL.HGE. ML:3.5 0.0402 0.3 AML other m 2023-04-01T16:06:15.42
IT.MTCL.HGN. ML:3.2 0.020149999999999998 0.32 AML other m 2023-04-01T16:06:15.46
IV.CESI.HHE. ML:1.0 0.0001485 1.3 AML other m 2023-04-01T16:06:15.34
IV.NRCA.HHN. ML:1.3 0.000155 0.14 AML other m 2023-04-01T16:06:17.59
IV.NRCA.HNN. ML:1.3 0.00015073086 0.1408 AML other m 2023-04-01T16:06:17.59
IV.NRCA.HNE. ML:1.4 0.00019323879999999998 0.1024 AML other m 2023-04-01T16:06:18.10
IV.NRCA.HHE. ML:1.4 0.00019250000000000002 1.84 AML other m 2023-04-01T16:06:18.05
IV.MML1.EHN. ML:1.4 0.000164 0.86 AML other m 2023-04-01T16:06:18.99
IV.MML1.EHE. ML:1.6 0.000296 0.24 AML other m 2023-04-01T16:06:18.61
IV.MML1.HNE. ML:1.7 0.00032303024999999995 0.2432 AML other m 2023-04-01T16:06:18.61
IV.MML1.HNN. ML:1.3 0.00013688335 0.0768 AML other m 2023-04-01T16:06:18.98
IV.ASSB.HHE. ML:0.9 0.0000462382 0.0768 AML other m 2023-04-01T16:06:19.80
IV.ASSB.HHN. ML:0.8 0.000034072755 0.1024 AML other m 2023-04-01T16:06:20.44
IV.GAVE.EHE. ML:1.1 0.000072708315 0.1024 AML other m 2023-04-01T16:06:20.82
IV.GAVE.EHN. ML:1.1 0.000068999135 0.0896 AML other m 2023-04-01T16:06:20.78
IV.SNTG.HHE. ML:0.7 0.000018971155 0.0768 AML other m 2023-04-01T16:06:23.20
IV.ATCC.EHE. ML:0.9 0.000030732505 0.192 AML other m 2023-04-01T16:06:23.26
IV.SNTG.HHN. ML:0.7 0.000017591675 0.0896 AML other m 2023-04-01T16:06:24.16
IV.ATCC.EHN. ML:1.0 0.000037888514999999996 0.6016 AML other m 2023-04-01T16:06:26.29
IV.EL6.EHE. ML:1.6 0.000099782595 16.064 AML other m 2023-04-01T16:06:26.48
IV.EL6.EHN. ML:1.2 0.000044948970000000004 0.2432 AML other m 2023-04-01T16:06:27.05
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