Earthquake with magnitude of ML 0.4 on date 26-08-2020 and time 23:16:19 (UTC) in region 2 km S Gubbio (PG)

A magnitude ML 0.4 earthquake occured in region: 2 km S Gubbio (PG), on

  • 26-08-2020 23:16:19 (UTC)
  • 27-08-2020 01:16:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.34, 12.58 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 2 32216 32216
Scheggia e Pascelupo PG 11 1393 33609
Costacciaro PG 11 1216 34825
Sigillo PG 13 2404 37229
Fossato di Vico PG 16 2840 40069
Cantiano PU 16 2245 42314
Pietralunga PG 17 2111 44425
Valfabbrica PG 20 3389 47814

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Perugia (166134 inhabitants)
43 Km N of Foligno (57155 inhabitants)
58 Km E of Arezzo (99543 inhabitants)
67 Km SW of Fano (60888 inhabitants)
70 Km SW of Pesaro (94582 inhabitants)
81 Km S of Rimini (147750 inhabitants)
82 Km W of Ancona (100861 inhabitants)
86 Km N of Terni (111501 inhabitants)
93 Km SE of Cesena (96758 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
Reviewed
Rev100
ML 0.4 2020-08-26
23:16:19
43.34 12.58 10 2020-08-26
23:24:31
Sala Sismica INGV-Roma 82355831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-26 23:16:19 ± 0.06
Latitude 43.34 ± 0.00
Longitude 12.58 ± 0.00
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82355831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 281
Semi-minor axis of confidence ellipse (meter) 127
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 32
Circular confidence region, given by single value of horizontal uncertainty (meter) 280
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.29857
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 16
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 82355831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-26 23:24:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.CRTC.HHZ. 2020-08-26T23:16:36.92 3.0 undecidable manual S -0.05 0
IV.NARO.HHZ. 2020-08-26T23:16:30.08 0.1 undecidable manual S 0 0.2752 50 -0.22 93
IV.ASSB.HHZ. 2020-08-26T23:16:30.80 0.1 undecidable manual S 169 0.2986 50 -0.19 93
IV.ATPI.EHZ. 2020-08-26T23:16:27.10 0.1 undecidable manual S 312 0.1718 118 0.16 96
IV.ATPC.HNZ. 2020-08-26T23:16:27.52 0.3 undecidable manual S 329 0.17 118 0.66 63
IV.PIEI.HHZ. 2020-08-26T23:16:27.94 0.3 undecidable manual S 351 0.2023 114 -0.06 73
IV.SSFR.HHZ. 2020-08-26T23:16:27.00 0.3 undecidable manual S 56 0.179 117 -0.18 72
IV.ATCC.EHZ. 2020-08-26T23:16:26.72 0.1 undecidable manual S 163 0.1565 120 0.29 94
IV.ASSB.HHZ. 2020-08-26T23:16:26.02 0.3 undecidable manual P 169 0.2986 50 -0.09 71
IV.TB02.DHZ.01 2020-08-26T23:16:25.34 0.1 undecidable manual S 286 0.1277 125 -0.13 97
IV.ATVO.HHZ. 2020-08-26T23:16:25.50 0.1 undecidable manual S 291 0.1331 124 -0.15 97
IV.NARO.HHZ. 2020-08-26T23:16:25.59 0.1 undecidable manual P 0 0.2752 50 -0.12 95
IV.TB03.DHZ.01 2020-08-26T23:16:25.86 0.1 undecidable manual S 298 0.1385 123 0.03 99
IV.FOSV.EHZ. 2020-08-26T23:16:25.78 0.1 undecidable manual S 107 0.1394 123 -0.06 99
IV.ATSC.EHZ. 2020-08-26T23:16:25.12 0.1 undecidable manual S 42 0.1187 127 -0.07 99
IV.ATLO.EHZ. 2020-08-26T23:16:25.18 0.1 undecidable manual S 261 0.1259 126 -0.25 95
IV.TB01.DHZ.01 2020-08-26T23:16:24.94 0.1 undecidable manual S 294 0.1133 129 -0.1 98
IV.ATPI.EHZ. 2020-08-26T23:16:24.01 0.1 undecidable manual P 312 0.1718 118 0.23 95
IV.ATPC.HNZ. 2020-08-26T23:16:24.08 0.1 undecidable manual P 329 0.17 118 0.35 92
IV.PIEI.HHZ. 2020-08-26T23:16:24.37 0.1 undecidable manual P 351 0.2023 114 -0.02 98
IV.SSFR.HHZ. 2020-08-26T23:16:23.90 0.3 undecidable manual P 56 0.179 117 -0.02 74
IV.TB03.DHZ.01 2020-08-26T23:16:23.25 0.1 undecidable manual P 298 0.1385 123 0.12 98
IV.FOSV.EHZ. 2020-08-26T23:16:23.51 0.1 undecidable manual P 107 0.1394 123 0.37 93
IV.MURB.HHZ. 2020-08-26T23:16:23.97 0.3 undecidable manual S 208 0.0827 138 -0.19 73
IV.ATCC.EHZ. 2020-08-26T23:16:23.60 0.1 undecidable manual P 163 0.1565 120 0.12 97
IV.ATVO.HHZ. 2020-08-26T23:16:23.04 0.1 undecidable manual P 291 0.1331 124 0.01 100
IV.ATFO.HHZ. 2020-08-26T23:16:22.61 0.1 undecidable manual S 351 0.0315 161 -0.53 91
IV.ATSC.EHZ. 2020-08-26T23:16:22.82 0.1 undecidable manual P 42 0.1187 127 0.06 99
IV.ATLO.EHZ. 2020-08-26T23:16:22.91 0.1 undecidable manual P 261 0.1259 126 0 100
IV.TB01.DHZ.01 2020-08-26T23:16:22.72 0.1 undecidable manual P 294 0.1133 129 0.04 100
IV.MURB.HHZ. 2020-08-26T23:16:22.22 0.1 undecidable manual P 208 0.0827 138 0.05 100
IV.TB02.DHZ.01 2020-08-26T23:16:22.96 0.1 undecidable manual P 286 0.1277 125 0.03 99
IV.ATFO.HHZ. 2020-08-26T23:16:21.44 0.1 undecidable manual P 351 0.0315 161 -0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATFO.HHE. ML:0 0.0001395 0.3 AML other m 2020-08-26T23:16:22.96
IV.ATFO.HHN. ML:0 0.0001275 0.14 AML other m 2020-08-26T23:16:23.03
IV.MURB.HHE. ML:1 0.000146 0.26 AML other m 2020-08-26T23:16:24.47
IV.MURB.HHN. ML:1 0.0001365 0.58 AML other m 2020-08-26T23:16:24.61
IV.PIEI.HHN. ML:0.4 1.515E-5 0.32 AML other m 2020-08-26T23:16:28.78
IV.PIEI.HHE. ML:0.4 1.57E-5 1.26 AML other m 2020-08-26T23:16:29.18
IV.MURB.HNE. ML:1 0.00011978863 0.2304 AML other m 2020-08-26T23:16:24.70
IV.ATVO.HHE. ML:0.4 2.3482645E-5 0.1408 AML other m 2020-08-26T23:16:25.75
IV.ATVO.HHN. ML:0.3 1.78142445E-5 0.0768 AML other m 2020-08-26T23:16:25.69
IV.FOSV.EHE. ML:0 8.414527E-6 0.2816 AML other m 2020-08-26T23:16:27.60
IV.FOSV.EHN. ML:0 8.1187755E-6 0.128 AML other m 2020-08-26T23:16:26.32
IV.ATCC.EHE. ML:0.5 2.450942E-5 0.1152 AML other m 2020-08-26T23:16:27.46
IV.ATCC.EHN. ML:0.4 2.067814E-5 0.0768 AML other m 2020-08-26T23:16:26.91
IV.ATPI.EHE. ML:0.1 1.0061812E-5 0.0896 AML other m 2020-08-26T23:16:27.37
IV.ATPI.EHN. ML:0.1 9.758372E-6 0.256 AML other m 2020-08-26T23:16:27.38
IV.ASSB.HHE. ML:0.4 1.0484728E-5 0.0768 AML other m 2020-08-26T23:16:31.56
IV.ASSB.HHN. ML:0.5 1.338284E-5 0.128 AML other m 2020-08-26T23:16:31.33
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