Earthquake with magnitude of ML 0.6 on date 20-04-2024 and time 17:56:22 (UTC) in region 4 km NW Sellano (PG)

A magnitude ML 0.6 earthquake occured in region: 4 km NW Sellano (PG), on

  • 20-04-2024 17:56:22 (UTC)
  • 20-04-2024 19:56:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9110, 12.8830 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Cerreto di Spoleto PG 11 1075 2154
Trevi PG 12 8469 10623
Campello sul Clitunno PG 13 2442 13065
Preci PG 13 724 13789
Monte Cavallo MC 14 145 13934
Foligno PG 15 57155 71089
Vallo di Nera PG 16 364 71453
Visso MC 17 1107 72560
Montefalco PG 19 5679 78239
Serravalle di Chienti MC 19 1070 79309
Spello PG 19 8645 87954
Castel Ritaldi PG 20 3278 91232
Valtopina PG 20 1398 92630
Sant'Anatolia di Narco PG 20 564 93194

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km E of Foligno (57155 inhabitants)
43 Km NE of Terni (111501 inhabitants)
46 Km E of Perugia (166134 inhabitants)
73 Km W of Teramo (54892 inhabitants)
75 Km NW of L'Aquila (69753 inhabitants)
84 Km NE of Viterbo (67173 inhabitants)
94 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
Reviewed
Rev100
ML 0.6 2024-04-20
17:56:22
42.9108 12.8827 10 2024-04-20
18:05:32
Sala Sismica INGV-Roma 126920591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-20 17:56:22 ± 0.16
Latitude 42.9108 ± 0.0045
Longitude 12.8827 ± 0.0098
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126920591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 811
Semi-minor axis of confidence ellipse (meter) 181
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 274
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 192
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29678
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 126920591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-20 18:05:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.GAGG.HHZ. 2024-04-20T17:57:55.74 3.0 undecidable manual Sg 12.67 0
IV.ECTS.HHZ. 2024-04-20T17:57:47.45 3.0 undecidable manual Pg 19.84 0
IV.ENIC.HHZ. 2024-04-20T17:57:33.87 3.0 undecidable manual Pn 3.66 0
IV.SALB.HHZ. 2024-04-20T17:57:22.95 3.0 undecidable manual Pg 8.84 0
SI.ROSI.HHZ. 2024-04-20T17:57:13.82 3.0 positive manual Pn 0.45 0
CH.FUORN.HHZ. 2024-04-20T17:57:08.81 3.0 undecidable manual Pn -2.26 0
IV.CAFE.HHZ. 2024-04-20T17:56:55.67 3.0 undecidable manual Pn 0.33 0
IV.CING.HHZ. 2024-04-20T17:56:48.25 3.0 undecidable manual Sn 0.23 0
IV.LRP.EHZ. 2024-04-20T17:56:36.91 3.0 undecidable manual Pn 0.45 0
IV.CSP1.EHZ. 2024-04-20T17:56:34.25 0.3 undecidable manual S 52 32.9448 50 -0.15 70
IV.MC2.EHE. 2024-04-20T17:56:32.60 0.3 undecidable manual S 90 24.8529 112 0.41 68
IV.MML1.EHZ. 2024-04-20T17:56:31.48 0.3 undecidable manual S 18 23.6541 113 -0.3 69
IV.GAVE.HNE. 2024-04-20T17:56:31.84 0.3 undecidable manual S 178 24.2535 112 -0.16 71
IV.FDMO.HHZ. 2024-04-20T17:56:30.82 0.1 undecidable manual S 50 21.6672 115 -0.35 92
IV.ARVD.HHZ. 2024-04-20T17:56:30.80 3.0 negative manual P 0.14 0
IV.NRCA.HHZ. 2024-04-20T17:56:30.58 0.3 undecidable manual S 114 20.6682 116 -0.28 70
IV.CSP1.EHZ. 2024-04-20T17:56:29.72 0.3 undecidable manual P 52 32.9448 50 0.18 70
IV.MC2.EHE. 2024-04-20T17:56:29.00 0.3 undecidable manual P 90 24.8529 112 0.74 60
IT.MTCL.HGN. 2024-04-20T17:56:28.63 0.1 undecidable manual S 46 13.1757 127 0 100
IV.GAVE.HNE. 2024-04-20T17:56:28.00 0.3 undecidable manual P 178 24.2535 112 -0.15 71
IV.CESI.HHZ. 2024-04-20T17:56:28.08 0.3 undecidable manual S 10 10.5783 133 0.14 73
IV.NRCA.HHZ. 2024-04-20T17:56:27.42 0.1 undecidable manual P 114 20.6682 116 -0.07 97
IV.FDMO.HHZ. 2024-04-20T17:56:27.55 0.1 undecidable manual P 50 21.6672 115 -0.12 96
IV.MML1.EHZ. 2024-04-20T17:56:27.93 0.3 undecidable manual P 18 23.6541 113 -0.1 72
IT.MTCL.HGN. 2024-04-20T17:56:26.38 0.1 undecidable manual P 46 13.1757 127 0.17 97
IV.CESI.HHZ. 2024-04-20T17:56:26.04 0.1 undecidable manual P 10 10.5783 133 0.23 96
IV.RIBO.EHZ.01 2024-04-20T17:56:22.98 3.0 positive manual P -0.05 0
IV.CESX.HHZ. 2024-04-20T17:56:17.54 3.0 undecidable manual S 0
IV.CESX.HHZ. 2024-04-20T17:56:11.46 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:0.8 0.00007693918 0.12 AML other m 2024-04-20T17:56:28.31
IV.CESI.HHE. ML:0.3 0.000026673545 0.12 AML other m 2024-04-20T17:56:28.81
IV.NRCA.HHE. ML:0.7 0.000037250000000000004 1.04 AML other m 2024-04-20T17:56:31.60
IV.NRCA.HHN. ML:0.8 0.00004720000000000001 0.46 AML other m 2024-04-20T17:56:31.82
IV.FDMO.HHE. ML:0.5 0.000019969444 0.24 AML other m 2024-04-20T17:56:31.16
IV.FDMO.HHN. ML:0.5 0.00002001286 2.7 AML other m 2024-04-20T17:56:31.13
IV.MML1.EHE. ML:0.7 0.000028849054999999998 0.26 AML other m 2024-04-20T17:56:31.87
IV.MML1.EHN. ML:0.8 0.00003282976 0.24 AML other m 2024-04-20T17:56:31.97
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