Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 22-03-2020 and time 15:00:28 (UTC) in region 1 km SW Sigillo (PG)

A magnitude ML 0.7 earthquake occured in region: 1 km SW Sigillo (PG), on

  • 22-03-2020 15:00:28 (UTC)
  • 22-03-2020 16:00:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3280, 12.7350 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.

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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 1 2404 2404
Costacciaro PG 4 1216 3620
Fossato di Vico PG 4 2840 6460
Scheggia e Pascelupo PG 10 1393 7853
Gualdo Tadino PG 12 15208 23061
Gubbio PG 13 32216 55277
Fabriano AN 14 31480 86757
Sassoferrato AN 16 7285 94042
Serra Sant'Abbondio PU 18 1027 95069
Cantiano PU 18 2245 97314
Esanatoglia MC 19 2034 99348
Genga AN 20 1797 101145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Perugia (166134 inhabitants)
41 Km N of Foligno (57155 inhabitants)
62 Km SW of Fano (60888 inhabitants)
66 Km S of Pesaro (94582 inhabitants)
71 Km E of Arezzo (99543 inhabitants)
71 Km W of Ancona (100861 inhabitants)
83 Km S of Rimini (147750 inhabitants)
86 Km N of Terni (111501 inhabitants)
98 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 0.7 2020-03-22
15:00:28		 43.3283 12.7347 12 2020-03-22
15:19:13		 Sala Sismica INGV-Roma 77468731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-22 15:00:28 ± 0.06
Latitude 43.3283 ± 0.0027
Longitude 12.7347 ± 0.0025
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 77468731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 280
Semi-minor axis of confidence ellipse (meter) 70
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 341
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
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 29
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30397
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 77468731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-22 15:19:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2020-03-22T15:00:40.26 0.3 undecidable manual S 338 33.744 92 0.12 71
IV.COR1.EHZ. 2020-03-22T15:00:39.34 3.0 undecidable manual S -3.13 0
IV.EL6.EHZ. 2020-03-22T15:00:39.23 0.3 undecidable manual S 90 29.6481 93 0.18 70
IV.ATPC.HHZ. 2020-03-22T15:00:39.00 0.3 undecidable manual S 307 28.0497 93 0.37 68
IV.PIEI.HHZ. 2020-03-22T15:00:38.61 0.3 undecidable manual S 325 28.0497 93 -0.03 73
IV.ATVO.HNZ. 2020-03-22T15:00:38.13 0.3 undecidable manual S 283 27.1506 94 -0.26 70
IV.ARVD.HHZ. 2020-03-22T15:00:38.03 0.3 undecidable manual S 41 25.1526 94 0.17 71
IV.ATLO.EHZ. 2020-03-22T15:00:37.86 0.3 undecidable manual S 267 26.4513 94 -0.35 69
IV.MURB.HHZ. 2020-03-22T15:00:36.39 0.3 undecidable manual S 247 18.4704 99 0.31 69
IV.FRON.EHZ. 2020-03-22T15:00:36.67 0.3 undecidable manual S 358 21.0678 96 -0.09 72
IV.NARO.HHZ. 2020-03-22T15:00:35.17 0.1 negative manual P 338 33.744 92 -0.13 94
IV.SNTG.HHZ. 2020-03-22T15:00:35.92 0.3 undecidable manual S 116 18.4704 99 -0.18 72
IV.ATCC.EHZ. 2020-03-22T15:00:35.84 0.3 undecidable manual S 206 17.6712 100 -0.03 74
IV.SSFR.HHZ. 2020-03-22T15:00:34.61 0.3 undecidable manual S 18 12.5763 115 0.03 75
IV.ATSC.EHZ. 2020-03-22T15:00:34.32 0.3 undecidable manual S 340 11.2776 120 0.04 75
IV.ATPC.HHZ. 2020-03-22T15:00:34.47 0.1 undecidable manual P 307 28.0497 93 0.04 97
IV.ATVO.HNZ. 2020-03-22T15:00:34.14 0.1 undecidable manual P 283 27.1506 94 -0.14 95
IV.PIEI.HHZ. 2020-03-22T15:00:34.28 0.6 undecidable manual P 325 28.0497 93 -0.15 47
IV.ATFO.HNZ. 2020-03-22T15:00:34.90 0.3 undecidable manual S 288 13.875 110 0.01 75
IV.EL6.EHZ. 2020-03-22T15:00:34.63 0.6 positive manual P 90 29.6481 93 -0.04 49
IV.ATLO.EHZ. 2020-03-22T15:00:34.39 0.1 undecidable manual P 267 26.4513 94 0.21 93
IV.FRON.EHZ. 2020-03-22T15:00:33.22 1.0 positive manual P 358 21.0678 96 -0.13 24
IV.ARVD.HHZ. 2020-03-22T15:00:33.97 0.1 undecidable manual P 41 25.1526 94 -0.01 98
IV.SNTG.HHZ. 2020-03-22T15:00:32.94 1.0 undecidable manual P 116 18.4704 99 -0.02 25
IV.ATCC.EHZ. 2020-03-22T15:00:32.73 0.1 undecidable manual P 206 17.6712 100 -0.1 98
IV.MURB.HHZ. 2020-03-22T15:00:32.95 0.6 undecidable manual P 247 18.4704 99 0 49
IV.ATFO.HNZ. 2020-03-22T15:00:32.27 0.1 undecidable manual P 288 13.875 110 0 100
IV.SSFR.HHZ. 2020-03-22T15:00:31.94 0.1 undecidable manual P 18 12.5763 115 -0.15 97
IV.ATSC.EHZ. 2020-03-22T15:00:31.96 0.1 undecidable manual P 340 11.2776 120 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHE. ML:0.4 0.00001923783 0.0768 AML other m 2020-03-22T15:00:36.97
IV.SNTG.HHN. ML:0.4 0.0000204715135 0.1152 AML other m 2020-03-22T15:00:37.27
IV.MURB.HHE. ML:1.4 0.00020105775 0.3712 AML other m 2020-03-22T15:00:36.52
IV.MURB.HHN. ML:1.2 0.00011156954 0.2304 AML other m 2020-03-22T15:00:36.92
IV.FRON.EHE. ML:0.8 0.00004607293499999999 0.1024 AML other m 2020-03-22T15:00:37.34
IV.FRON.EHN. ML:1.0 0.000060293070000000005 0.064 AML other m 2020-03-22T15:00:37.57
IV.PIEI.HHE. ML:0.7 0.000027310065000000002 0.0896 AML other m 2020-03-22T15:00:39.03
IV.PIEI.HHN. ML:0.6 0.000018850144999999997 0.32 AML other m 2020-03-22T15:00:38.82
IV.NARO.HHE. ML:0.7 0.000021166057499999998 0.064 AML other m 2020-03-22T15:00:40.86
IV.NARO.HHN. ML:0.6 0.00001633255 0.6144 AML other m 2020-03-22T15:00:40.79
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