Earthquake with magnitude of ML 0.4 on date 18-04-2020 and time 20:10:44 (Italy) in region 6 km NE Sigillo (PG)

A magnitude ML 0.4 earthquake occured in region: 6 km NE Sigillo (PG), on

  • 18-04-2020 18:10:44 (UTC)
  • 18-04-2020 20:10:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3740, 12.7960 at 12 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
Sigillo PG 6 2404 2404
Costacciaro PG 7 1216 3620
Sassoferrato AN 9 7285 10905
Fossato di Vico PG 9 2840 13745
Fabriano AN 10 31480 45225
Scheggia e Pascelupo PG 11 1393 46618
Genga AN 13 1797 48415
Serra Sant'Abbondio PU 13 1027 49442
Gualdo Tadino PG 16 15208 64650
Frontone PU 16 1300 65950
Cerreto d'Esi AN 17 3817 69767
Cantiano PU 18 2245 72012
Gubbio PG 18 32216 104228
Arcevia AN 18 4612 108840
Esanatoglia MC 18 2034 110874
Serra San Quirico AN 20 2850 113724

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NE of Perugia (166134 inhabitants)
47 Km N of Foligno (57155 inhabitants)
55 Km SW of Fano (60888 inhabitants)
60 Km S of Pesaro (94582 inhabitants)
64 Km W of Ancona (100861 inhabitants)
74 Km E of Arezzo (99543 inhabitants)
79 Km S of Rimini (147750 inhabitants)
91 Km N of Terni (111501 inhabitants)
96 Km SE of Cesena (96758 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 0.4 2020-04-18
18:10:44
43.3745 12.7958 12 2020-04-18
18:16:44
Sala Sismica INGV-Roma 78362071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-18 18:10:44 ± 0.03
Latitude 43.3745 ± 0.0018
Longitude 12.7958 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78362071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 288
Semi-minor axis of confidence ellipse (meter) 109
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) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28329
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 78362071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-18 18:16:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.CANO.HHZ. 2020-04-18T18:12:22.75 3.0 undecidable manual Sn -0.16 0
IV.EUCT.HNZ. 2020-04-18T18:12:16.81 3.0 undecidable manual Sn -0.19 0
IV.PETRA.HHZ. 2020-04-18T18:12:13.68 3.0 undecidable manual Pg 13.92 0
IV.VULT.HHZ. 2020-04-18T18:12:11.44 3.0 undecidable manual Sg 11.17 0
IV.NDIM.HHZ. 2020-04-18T18:11:57.38 3.0 undecidable manual Sg 9.8 0
GU.CANO.HHZ. 2020-04-18T18:11:54.71 3.0 positive manual Pg 18.030001 0
GU.RNCA.HHZ. 2020-04-18T18:11:39.93 3.0 undecidable manual Pg 9.11 0
IV.ZONE.HHZ. 2020-04-18T18:11:37.19 3.0 undecidable manual Pg 6.59 0
IV.PZUN.HHZ. 2020-04-18T18:11:33.84 3.0 undecidable manual Pn 5.25 0
SI.BOSI.HHZ. 2020-04-18T18:11:32.03 3.0 negative manual Pn -0.28 0
IV.LRP.EHZ. 2020-04-18T18:11:29.87 3.0 undecidable manual Sn -0.55 0
IV.MTRZ.HNZ. 2020-04-18T18:11:10.35 3.0 undecidable manual Pg 2.44 0
IV.MAON.HHZ. 2020-04-18T18:11:08.49 3.0 negative manual Pn -1.29 0
IV.VVLD.HHZ. 2020-04-18T18:11:03.19 3.0 undecidable manual P -1.01 0
IV.NRCA.HNZ. 2020-04-18T18:10:57.26 3.0 undecidable manual S 0.15 0
IV.NARO.HHZ. 2020-04-18T18:10:55.07 0.3 undecidable manual S 327 31.4463 92 0.05 73
IV.ATCC.EHZ. 2020-04-18T18:10:53.25 0.3 undecidable manual S 211 24.4533 93 0.08 73
IV.PIEI.HHZ. 2020-04-18T18:10:53.89 0.3 undecidable manual S 310 27.5502 93 -0.1 73
IV.FRON.EHZ. 2020-04-18T18:10:51.21 0.1 undecidable manual S 340 16.872 99 0.07 99
IV.SNTG.HHZ. 2020-04-18T18:10:51.29 0.3 undecidable manual S 139 17.6712 98 -0.06 74
IV.NARO.HHZ. 2020-04-18T18:10:50.47 0.3 undecidable manual P 327 31.4463 92 0.04 73
IV.FOSV.EHZ. 2020-04-18T18:10:49.20 0.6 undecidable manual S 198 9.2796 128 -0.08 50
IV.NRCA.HHZ. 2020-04-18T18:10:49.15 3.0 undecidable manual P 0.67 0
IV.ATCC.EHZ. 2020-04-18T18:10:49.35 0.1 undecidable manual P 211 24.4533 93 -0.01 99
IV.PIEI.HHZ. 2020-04-18T18:10:49.73 0.1 undecidable manual P 310 27.5502 93 -0.11 97
IV.FRON.EHZ. 2020-04-18T18:10:48.23 0.1 undecidable manual P 340 16.872 99 0.04 100
IV.SNTG.HHZ. 2020-04-18T18:10:48.34 0.1 undecidable manual P 139 17.6712 98 0.02 100
IV.FOSV.EHZ. 2020-04-18T18:10:47.19 0.3 undecidable manual P 198 9.2796 128 0.07 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:0.5 0.0000383 0.08 AML other m 2020-04-18T18:10:49.28
IV.FOSV.EHE. ML:0.3 0.000027300000000000003 0.08 AML other m 2020-04-18T18:10:49.20
IV.FRON.EHN. ML:0.4 0.000020799999999999997 0.66 AML other m 2020-04-18T18:10:51.80
IV.FRON.EHE. ML:0.3 0.000013645 0.54 AML other m 2020-04-18T18:10:51.28
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