Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 04-07-2019 and time 16:24:26 (Italy) in region 4 km NE Sigillo (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km NE Sigillo (PG), on

  • 04-07-2019 14:24:26 (UTC)
  • 04-07-2019 16:24:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3560, 12.7760 at 11 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.

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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 4 2404 2404
Costacciaro PG 5 1216 3620
Fossato di Vico PG 7 2840 6460
Scheggia e Pascelupo PG 10 1393 7853
Fabriano AN 11 31480 39333
Sassoferrato AN 11 7285 46618
Gualdo Tadino PG 14 15208 61826
Serra Sant'Abbondio PU 15 1027 62853
Genga AN 15 1797 64650
Gubbio PG 16 32216 96866
Cerreto d'Esi AN 17 3817 100683
Cantiano PU 18 2245 102928
Frontone PU 18 1300 104228
Esanatoglia MC 18 2034 106262

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km NE of Perugia (166134 inhabitants)
45 Km N of Foligno (57155 inhabitants)
58 Km SW of Fano (60888 inhabitants)
63 Km S of Pesaro (94582 inhabitants)
67 Km W of Ancona (100861 inhabitants)
73 Km E of Arezzo (99543 inhabitants)
80 Km S of Rimini (147750 inhabitants)
89 Km N of Terni (111501 inhabitants)
97 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 0.8 2019-07-04
14:24:26		 43.3555 12.7757 11 2019-07-04
14:28:45		 Sala Sismica INGV-Roma 70194371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-04 14:24:26 ± 0.04
Latitude 43.3555 ± 0.0018
Longitude 12.7757 ± 0.0037
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 70194371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 319
Semi-minor axis of confidence ellipse (meter) 69
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 80
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39120
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 70194371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-07-04 14:28:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2019-07-04T14:24:37.11 0.1 undecidable manual S 331 32.3454 91 -0.14 93
IV.MPAG.EHZ. 2019-07-04T14:24:36.81 0.1 undecidable manual S 358 30.3474 91 0.09 94
IV.ARVD.HHZ. 2019-07-04T14:24:34.10 0.1 undecidable manual S 40 20.6682 91 -0.03 97
IV.ATCC.EHZ. 2019-07-04T14:24:34.62 0.1 undecidable manual S 210 21.867 91 0.18 93
IV.FDMO.HHZ. 2019-07-04T14:24:34.08 0.1 undecidable manual P 144 43.4232 90 -0.19 92
IV.SNTG.HHZ. 2019-07-04T14:24:33.17 0.1 undecidable manual S 130 17.3715 92 -0.07 98
IV.MPAG.EHZ. 2019-07-04T14:24:32.30 0.1 undecidable manual P 358 30.3474 91 0.05 95
IV.NARO.HHZ. 2019-07-04T14:24:32.36 0.1 undecidable manual P 331 32.3454 91 -0.2 92
IV.ATFO.HHZ. 2019-07-04T14:24:30.16 1.0 positive manual Pn 0.07 0.5
IV.ATCC.EHZ. 2019-07-04T14:24:30.93 0.1 positive manual P 210 21.867 91 0 97
IV.FOSV.EHZ. 2019-07-04T14:24:30.66 0.1 undecidable manual S 190 6.7932 138 -0.04 100
IV.SNTG.HHZ. 2019-07-04T14:24:30.25 0.1 undecidable manual P 130 17.3715 92 0.01 97
IV.ARVD.HHZ. 2019-07-04T14:24:30.91 0.1 undecidable manual P 40 20.6682 91 0.15 94
IV.FOSV.EHZ. 2019-07-04T14:24:28.86 0.1 undecidable manual P 190 6.7932 138 0.08 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:0.9 0.000112 0.24 AML other m 2019-07-04T14:24:30.85
IV.FOSV.EHN. ML:1.0 0.0001515 0.08 AML other m 2019-07-04T14:24:30.76
IV.ATFO.HHE. ML:0.6 0.00003625 0.96 AML other m 2019-07-04T14:24:33.71
IV.ATFO.HHN. ML:0.6 0.00003435 0.6 AML other m 2019-07-04T14:24:33.13
IV.SNTG.HHN. ML:0.8 0.000057249999999999996 0.22 AML other m 2019-07-04T14:24:33.92
IV.SNTG.HHE. ML:0.7 0.000037699999999999995 0.66 AML other m 2019-07-04T14:24:34.58
IV.ARVD.HHN. ML:0.9 0.000055650000000000004 0.44 AML other m 2019-07-04T14:24:34.40
IV.ARVD.HHE. ML:1.1 0.00007899999999999998 0.08 AML other m 2019-07-04T14:24:34.39
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