Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 22-01-2020 and time 14:29:16 (UTC) in region 3 km E Sigillo (PG)

A magnitude ML 0.8 earthquake occured in region: 3 km E Sigillo (PG), on

  • 22-01-2020 14:29:16 (UTC)
  • 22-01-2020 15:29:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3260, 12.7840 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
Fossato di Vico PG 4 2840 5244
Costacciaro PG 7 1216 6460
Fabriano AN 10 31480 37940
Gualdo Tadino PG 10 15208 53148
Scheggia e Pascelupo PG 13 1393 54541
Sassoferrato AN 14 7285 61826
Esanatoglia MC 16 2034 63860
Cerreto d'Esi AN 16 3817 67677
Gubbio PG 17 32216 99893
Genga AN 17 1797 101690
Serra Sant'Abbondio PU 19 1027 102717
Fiuminata MC 19 1402 104119
Matelica MC 20 9981 114100

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km NE of Perugia (166134 inhabitants)
42 Km N of Foligno (57155 inhabitants)
61 Km SW of Fano (60888 inhabitants)
66 Km S of Pesaro (94582 inhabitants)
68 Km W of Ancona (100861 inhabitants)
75 Km E of Arezzo (99543 inhabitants)
84 Km S of Rimini (147750 inhabitants)
86 Km N of Terni (111501 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 2020-01-22
14:29:16		 43.3258 12.784 11 2020-01-22
14:35:15		 Sala Sismica INGV-Roma 75726831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-22 14:29:16 ± 0.05
Latitude 43.3258 ± 0.0045
Longitude 12.7840 ± 0.0062
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 75726831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 591
Semi-minor axis of confidence ellipse (meter) 337
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 142
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32106
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 75726831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-22 14:35:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BRSN.EHZ. 2020-01-22T14:29:36.92 3.0 negative manual P -0.06 0
IV.MPAG.EHZ. 2020-01-22T14:29:28.90 0.1 undecidable manual S 357 33.744 50 0.4 90
IV.PIEI.HHZ. 2020-01-22T14:29:27.69 0.1 undecidable manual S 319 30.747 50 -0.01 98
IV.ATVO.HHZ. 2020-01-22T14:29:27.79 0.1 undecidable manual S 282 31.0467 50 -0.01 98
IV.MURB.HHZ. 2020-01-22T14:29:25.59 0.1 undecidable manual S 252 22.0668 50 0.2 96
IV.CSP1.EHZ. 2020-01-22T14:29:25.14 3.0 undecidable manual P 0.11 0
IV.FRON.EHZ. 2020-01-22T14:29:25.27 0.1 undecidable manual S 348 21.7671 50 -0.05 99
IV.ATCC.EHZ. 2020-01-22T14:29:24.58 0.1 undecidable manual S 217 19.4694 119 -0.1 98
IV.APEC.HHZ. 2020-01-22T14:29:24.78 3.0 positive manual P 0.39 0
IV.NARO.HHZ. 2020-01-22T14:29:23.73 0.1 positive manual P 333 35.6421 50 -0.19 94
IV.SNTG.HHZ. 2020-01-22T14:29:23.27 0.1 undecidable manual S 122 14.874 126 -0.06 100
IV.ATVO.HHZ. 2020-01-22T14:29:23.15 0.1 undecidable manual P 282 31.0467 50 -0.07 97
IV.MPAG.EHZ. 2020-01-22T14:29:23.57 0.1 undecidable manual P 357 33.744 50 -0.05 97
IV.PIEI.HHZ. 2020-01-22T14:29:22.92 0.1 undecidable manual P 319 30.747 50 -0.24 94
IV.EL6.EHZ. 2020-01-22T14:29:22.38 3.0 positive manual P 0.14 0
IV.ATCC.EHZ. 2020-01-22T14:29:21.31 0.1 undecidable manual P 217 19.4694 119 -0.11 98
IV.FOSV.EHZ. 2020-01-22T14:29:21.06 0.3 undecidable manual S 208 3.8961 160 0.14 75
IV.FRON.EHZ. 2020-01-22T14:29:21.66 0.1 undecidable manual P 348 21.7671 50 -0.13 97
IV.MURB.HHZ. 2020-01-22T14:29:21.94 0.1 undecidable manual P 252 22.0668 50 0.11 98
IV.SNTG.HHZ. 2020-01-22T14:29:20.70 0.1 undecidable manual P 122 14.874 126 0.06 100
IV.FOSV.EHZ. 2020-01-22T14:29:19.44 0.1 undecidable manual P 208 3.8961 160 0.19 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHE. ML:1.0 0.000145 0.12 AML other m 2020-01-22T14:29:21.18
IV.FOSV.EHN. ML:1.0 0.0001595 0.18 AML other m 2020-01-22T14:29:21.14
IV.SNTG.HHE. ML:0.6 0.00003585 0.22 AML other m 2020-01-22T14:29:23.33
IV.SNTG.HHN. ML:0.7 0.0000516 0.1 AML other m 2020-01-22T14:29:23.70
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