Earthquake with magnitude of ML 0.9 on date 03-04-2020 and time 20:46:00 (Italy) in region 8 km SW Gubbio (PG)

A magnitude ML 0.9 earthquake occured in region: 8 km SW Gubbio (PG), on

  • 03-04-2020 18:46:00 (UTC)
  • 03-04-2020 20:46:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.29, 12.54 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
Gubbio PG 8 32216 32216
Valfabbrica PG 15 3389 35605
Costacciaro PG 16 1216 36821
Scheggia e Pascelupo PG 17 1393 38214
Sigillo PG 17 2404 40618
Umbertide PG 18 16681 57299
Fossato di Vico PG 18 2840 60139
Pietralunga PG 19 2111 62250
Montone PG 19 1680 63930

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NE of Perugia (166134 inhabitants)
39 Km NW of Foligno (57155 inhabitants)
57 Km E of Arezzo (99543 inhabitants)
73 Km SW of Fano (60888 inhabitants)
75 Km SW of Pesaro (94582 inhabitants)
81 Km N of Terni (111501 inhabitants)
86 Km S of Rimini (147750 inhabitants)
87 Km W of Ancona (100861 inhabitants)
98 Km S of Cesena (96758 inhabitants)
98 Km E of Siena (53903 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 0.9 2020-04-03
18:46:00
43.29 12.54 11 2020-04-03
18:55:34
Sala Sismica INGV-Roma 77843261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-03 18:46:00 ± 0.04
Latitude 43.29 ± 0.00
Longitude 12.54 ± 0.00
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77843261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 237
Semi-minor axis of confidence ellipse (meter) 152
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 240
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.07
Epicentral distance of station closest to the epicenter (degree) 0.02878
Epicentral distance of station farthest from the epicenter (degree) 0.2653
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 77843261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-03 18:55:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ATVO.HHZ. 2020-04-03T18:46:07.18 0.6 undecidable manual S 313 0.1367 125 0.05 49
IV.FRON.EHZ. 2020-04-03T18:46:06.61 1.0 positive manual P 30 0.2653 50 -0.15 23
IV.TB01.DHZ.01 2020-04-03T18:46:06.70 1.0 undecidable manual S 320 0.1214 128 0.04 25
IV.ATLO.EHZ. 2020-04-03T18:46:06.00 0.3 undecidable manual S 285 0.1025 133 -0.09 73
IV.PIEI.HHZ. 2020-04-03T18:46:06.58 1.0 negative manual P 359 0.2473 50 0.12 24
IV.ATCC.EHZ. 2020-04-03T18:46:06.85 1.0 undecidable manual S 146 0.125 127 0.1 24
IV.ATBU.EHZ. 2020-04-03T18:46:05.56 0.6 undecidable manual P 1 0.188 117 0.17 47
IV.ATPI.EHZ. 2020-04-03T18:46:05.47 0.6 undecidable manual P 328 0.1925 116 -0.02 49
IV.ATFO.HHZ. 2020-04-03T18:46:05.53 0.6 undecidable manual S 15 0.0809 139 0.01 50
IV.SSFR.HHZ. 2020-04-03T18:46:05.97 0.6 undecidable manual P 49 0.2284 50 -0.16 47
IV.ATVA.EHZ. 2020-04-03T18:46:05.42 1.0 undecidable manual P 267 0.188 117 0.02 24
IV.ATSC.EHZ. 2020-04-03T18:46:05.15 1.0 undecidable manual P 37 0.1709 119 0.07 24
IV.FOSV.HNZ. 2020-04-03T18:46:04.62 1.0 undecidable manual P 87 0.1592 121 -0.22 24
IV.ATCC.EHZ. 2020-04-03T18:46:04.32 0.3 negative manual P 146 0.125 127 0.11 73
IV.TB02.DHZ.01 2020-04-03T18:46:04.32 1.0 undecidable manual P 310 0.1277 127 0.07 24
IV.ATVO.HHZ. 2020-04-03T18:46:04.41 1.0 positive manual P 313 0.1367 125 -0.01 25
IV.MURB.HHZ. 2020-04-03T18:46:04.35 0.6 undecidable manual S 208 0.0288 163 -0.18 49
IV.TB01.DHZ.01 2020-04-03T18:46:04.24 0.6 undecidable manual P 320 0.1214 128 0.09 49
IV.ATTE.HHZ. 2020-04-03T18:46:04.94 1.0 undecidable manual P 237 0.1646 120 -0.01 25
IV.ATLO.EHZ. 2020-04-03T18:46:03.83 0.6 undecidable manual P 285 0.1025 133 0 50
IV.ATFO.HHZ. 2020-04-03T18:46:03.34 1.0 undecidable manual P 15 0.0809 139 -0.15 24
IV.MURB.HHZ. 2020-04-03T18:46:02.98 0.1 negative manual P 208 0.0288 163 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHE. ML:1.2 0.0002665659 0.2304 AML other m 2020-04-03T18:46:04.76
IV.MURB.HHN. ML:1.1 0.00019714885 0.1792 AML other m 2020-04-03T18:46:04.58
IV.MURB.HNE. ML:1.2 0.0002857152 0.2176 AML other m 2020-04-03T18:46:04.76
IV.MURB.HNN. ML:1 0.000176347465 0.1664 AML other m 2020-04-03T18:46:04.58
IV.ATFO.HHE. ML:0.8 8.5497935E-5 0.2048 AML other m 2020-04-03T18:46:05.89
IV.ATFO.HHN. ML:0.6 5.0518655E-5 0.192 AML other m 2020-04-03T18:46:05.88
IV.ATVO.HHE. ML:0.2 1.40846415E-5 0.1408 AML other m 2020-04-03T18:46:08.64
IV.ATVO.HHN. ML:0 9.27873E-6 0.4224 AML other m 2020-04-03T18:46:09.63
IV.PIEI.HHE. ML:0.7 2.659377E-5 0.128 AML other m 2020-04-03T18:46:11.46
IV.PIEI.HHN. ML:0.6 1.8430605E-5 0.2304 AML other m 2020-04-03T18:46:11.54
IV.FRON.EHE. ML:0 6.4344135E-6 0.1024 AML other m 2020-04-03T18:46:11.73
IV.FRON.EHN. ML:0 6.6711891E-6 0.1024 AML other m 2020-04-03T18:46:12.45
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