Earthquake with magnitude of ML 0.4 on date 28-03-2020 and time 17:49:09 (Italy) in region 4 km S Gualdo Tadino (PG)

A magnitude ML 0.4 earthquake occured in region: 4 km S Gualdo Tadino (PG), on

  • 28-03-2020 16:49:09 (UTC)
  • 28-03-2020 17:49:09 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1930, 12.7740 at 13 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
Gualdo Tadino PG 4 15208 15208
Nocera Umbra PG 9 5839 21047
Fossato di Vico PG 11 2840 23887
Fiuminata MC 13 1402 25289
Valfabbrica PG 14 3389 28678
Valtopina PG 15 1398 30076
Sefro MC 15 422 30498
Esanatoglia MC 16 2034 32532
Sigillo PG 16 2404 34936
Pioraco MC 17 1134 36070
Assisi PG 19 28299 64369
Costacciaro PG 19 1216 65585
Fabriano AN 19 31480 97065
Serravalle di Chienti MC 20 1070 98135

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km N of Foligno (57155 inhabitants)
33 Km E of Perugia (166134 inhabitants)
71 Km N of Terni (111501 inhabitants)
75 Km S of Fano (60888 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
78 Km E of Arezzo (99543 inhabitants)
81 Km S of Pesaro (94582 inhabitants)
96 Km NW of Teramo (54892 inhabitants)
98 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
Reviewed
Rev100
ML 0.4 2020-03-28
16:49:09
43.1928 12.7745 13 2020-03-28
16:59:33
Sala Sismica INGV-Roma 77650741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-28 16:49:09 ± 0.08
Latitude 43.1928 ± 0.0045
Longitude 12.7745 ± 0.0062
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77650741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 526
Semi-minor axis of confidence ellipse (meter) 355
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 219
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24372
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 77650741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-28 16:59:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.CUC.HHZ. 2020-03-28T16:50:58.80 3.0 undecidable manual Sn -5.58 0
IV.MRLC.HHZ. 2020-03-28T16:50:41.92 3.0 undecidable manual Sn -4.28 0
IV.MRB1.HHZ. 2020-03-28T16:50:37.51 3.0 undecidable manual Sg 4.42 0
GU.CANO.HHZ. 2020-03-28T16:50:29.38 3.0 undecidable manual Sn -1.05 0
MN.TRI.HHZ. 2020-03-28T16:50:26.67 3.0 undecidable manual Sg 4.8 0
IV.ROSPO.HHZ. 2020-03-28T16:50:20.81 3.0 undecidable manual Sg 5.54 0
IV.MGR.HHZ. 2020-03-28T16:50:18.02 3.0 undecidable manual Pg 9.37 0
SL.KOGS.BHZ. 2020-03-28T16:50:16.12 3.0 negative manual Pg 5.73 0
IV.LPEL.HHZ. 2020-03-28T16:50:10.64 3.0 undecidable manual Sg 3.72 0
IV.GIUL.HHZ. 2020-03-28T16:50:05.14 3.0 undecidable manual Sn -1.5 0
IV.FIR.HHZ. 2020-03-28T16:49:19.43 3.0 positive manual P -1.63 0
IV.ATSC.EHE. 2020-03-28T16:49:18.80 0.6 undecidable manual S 345 26.5512 97 -0.04 49
IV.ATFO.HHZ. 2020-03-28T16:49:18.73 0.6 undecidable manual S 320 25.2525 97 0.23 47
IV.SSFR.HNE. 2020-03-28T16:49:18.71 0.6 undecidable manual S 1 27.0507 97 -0.24 47
IV.CESI.HNE. 2020-03-28T16:49:17.95 0.6 undecidable manual S 153 23.3544 99 -0.04 49
IV.MURB.HHZ. 2020-03-28T16:49:17.88 0.6 undecidable manual S 291 21.6672 100 0.35 46
IV.MML1.EHE. 2020-03-28T16:49:16.80 0.6 undecidable manual S 119 18.2706 105 0.16 49
IV.SNTG.HNN. 2020-03-28T16:49:15.80 0.6 undecidable manual S 63 15.0738 112 -0.05 50
IV.ATSC.EHE. 2020-03-28T16:49:14.70 0.1 undecidable manual P 345 26.5512 97 -0.09 97
IV.FOSV.EHZ. 2020-03-28T16:49:14.68 0.6 undecidable manual S 355 11.3775 125 -0.29 47
IV.ATFO.HHZ. 2020-03-28T16:49:14.68 0.1 undecidable manual P 320 25.2525 97 0.09 97
IV.SSFR.HNE. 2020-03-28T16:49:14.85 0.1 undecidable manual P 1 27.0507 97 0 98
IV.ATCC.EHZ. 2020-03-28T16:49:14.73 0.6 undecidable manual S 266 10.878 126 -0.14 48
IV.MML1.EHE. 2020-03-28T16:49:13.84 0.1 undecidable manual P 119 18.2706 105 0.32 94
IV.SNTG.HNN. 2020-03-28T16:49:13.16 0.1 undecidable manual P 63 15.0738 112 0.1 98
IV.CESI.HNE. 2020-03-28T16:49:13.95 0.1 undecidable manual P 153 23.3544 99 -0.35 91
IV.MURB.HHZ. 2020-03-28T16:49:13.83 0.1 undecidable manual P 291 21.6672 100 -0.21 95
IV.FOSV.EHZ. 2020-03-28T16:49:12.61 0.1 positive manual P 355 11.3775 125 0.05 100
IV.ATCC.EHZ. 2020-03-28T16:49:12.59 0.1 undecidable manual P 266 10.878 126 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.EHE. ML:0.2 0.000016685215 0.0896 AML other m 2020-03-28T16:49:14.84
IV.ATCC.EHN. ML:0.3 0.000022084938 0.2816 AML other m 2020-03-28T16:49:14.98
IV.MURB.HHN. ML:0.6 0.000024911843 0.3072 AML other m 2020-03-28T16:49:18.19
IV.MURB.HHE. ML:0.8 0.000038795200000000004 0.256 AML other m 2020-03-28T16:49:18.25
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