Earthquake with magnitude of ML 1.1 on date 20-10-2019 and time 11:42:57 (Italy) in region 2 km SE Sigillo (PG)

A magnitude ML 1.1 earthquake occured in region: 2 km SE Sigillo (PG), on

  • 20-10-2019 09:42:57 (UTC)
  • 20-10-2019 11:42:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.32, 12.75 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
Sigillo PG 2 2404 2404
Fossato di Vico PG 2 2840 5244
Costacciaro PG 6 1216 6460
Gualdo Tadino PG 10 15208 21668
Scheggia e Pascelupo PG 12 1393 23061
Fabriano AN 13 31480 54541
Gubbio PG 15 32216 86757
Sassoferrato AN 16 7285 94042
Esanatoglia MC 17 2034 96076
Cerreto d'Esi AN 19 3817 99893
Serra Sant'Abbondio PU 20 1027 100920
Genga AN 20 1797 102717

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Perugia (166134 inhabitants)
40 Km N of Foligno (57155 inhabitants)
63 Km SW of Fano (60888 inhabitants)
68 Km S of Pesaro (94582 inhabitants)
71 Km W of Ancona (100861 inhabitants)
72 Km E of Arezzo (99543 inhabitants)
84 Km N of Terni (111501 inhabitants)
84 Km S of Rimini (147750 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
Rev 100 ML 1.1 2019-10-20
09:42:57
43.32 12.75 10 2019-10-20
20:46:03
Sala Sismica INGV-Roma 73361841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-20 09:42:57 ± 0.05
Latitude 43.32 ± 0.00
Longitude 12.75 ± 0.00
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73361841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 193
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 325
Circular confidence region, given by single value of horizontal uncertainty (meter) 190
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.25091
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 6
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 73361841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-20 20:46:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
TV.SF04.EHZ. 2019-10-20T09:43:31.25 3.0 undecidable manual S 0.57 0
IV.NARO.HHZ. 2019-10-20T09:43:11.06 3.0 undecidable manual S 0.31 0
IV.NRCA.HHZ. 2019-10-20T09:43:08.50 3.0 positive manual P -0.3 0
IV.EL6.EHZ. 2019-10-20T09:43:07.14 3.0 undecidable manual S -0.63 0
IV.ATLO.HNZ. 2019-10-20T09:43:07.82 0.6 undecidable manual S 270 0.2509 50 -0.03 49
IV.MURB.HHZ. 2019-10-20T09:43:05.30 0.6 undecidable manual S 253 0.1736 118 0.01 50
IV.ATCC.EHZ. 2019-10-20T09:43:04.61 0.1 undecidable manual S 212 0.1529 121 0 100
IV.ATFO.HHZ. 2019-10-20T09:43:04.30 3.0 undecidable manual S -0.61 0
IV.SNTG.HHZ. 2019-10-20T09:43:04.43 0.6 undecidable manual S 114 0.1493 121 -0.06 49
IV.SSFR.HHZ. 2019-10-20T09:43:03.80 0.6 undecidable manual S 10 0.1232 126 0.16 49
IV.ATSC.EHZ. 2019-10-20T09:43:03.29 0.6 undecidable manual S 336 0.1187 127 -0.22 48
IV.ATLO.HNZ. 2019-10-20T09:43:03.57 0.1 undecidable manual P 270 0.2509 50 -0.01 98
IV.MURB.HHZ. 2019-10-20T09:43:02.25 0.3 negative manual P 253 0.1736 118 0.15 72
IV.ATCC.EHZ. 2019-10-20T09:43:01.67 0.1 undecidable manual P 212 0.1529 121 -0.04 99
IV.ATSC.EHZ. 2019-10-20T09:43:01.00 0.1 undecidable manual P 336 0.1187 127 -0.07 99
IV.SNTG.HHZ. 2019-10-20T09:43:01.63 0.1 undecidable manual P 114 0.1493 121 -0.01 100
IV.SSFR.HHZ. 2019-10-20T09:43:01.23 0.1 undecidable manual P 10 0.1232 126 0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHE. ML:1.4 0.0001925 1.74 AML other m 2019-10-20T09:43:05.02
IV.SSFR.HHN. ML:1.1 0.0001295 0.82 AML other m 2019-10-20T09:43:04.47
IV.SNTG.HHN. ML:0.9 7.715E-5 0.26 AML other m 2019-10-20T09:43:04.50
IV.SNTG.HHE. ML:0.8 4.93E-5 0.64 AML other m 2019-10-20T09:43:04.78
IV.ATCC.EHN. ML:1 8.135E-5 0.62 AML other m 2019-10-20T09:43:04.81
IV.ATCC.EHE. ML:1.2 0.000141 0.44 AML other m 2019-10-20T09:43:04.77
IV.MURB.HHN. ML:1.5 0.000256 0.26 AML other m 2019-10-20T09:43:05.62
IV.SSFR.HNE. ML:1.2 0.000144992905 0.1536 AML other m 2019-10-20T09:43:04.00
IV.SSFR.HNN. ML:1.1 0.00012573533 0.1984 AML other m 2019-10-20T09:43:05.06
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download