Earthquake with magnitude of ML 0.0 on date 13-08-2021 and time 18:42:03 (Italy) in region 9 km S Gubbio (PG)

A magnitude ML 0.0 earthquake occured in region: 9 km S Gubbio (PG), on

  • 13-08-2021 16:42:03 (UTC)
  • 13-08-2021 18:42:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.276, 12.56 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 9 32216 32216
Valfabbrica PG 13 3389 35605
Costacciaro PG 16 1216 36821
Sigillo PG 16 2404 39225
Fossato di Vico PG 17 2840 42065
Scheggia e Pascelupo PG 17 1393 43458
Gualdo Tadino PG 19 15208 58666
Umbertide PG 19 16681 75347

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NE of Perugia (166134 inhabitants)
37 Km NW of Foligno (57155 inhabitants)
59 Km E of Arezzo (99543 inhabitants)
73 Km SW of Fano (60888 inhabitants)
76 Km SW of Pesaro (94582 inhabitants)
80 Km N of Terni (111501 inhabitants)
86 Km W of Ancona (100861 inhabitants)
87 Km S of Rimini (147750 inhabitants)
99 Km S of Cesena (96758 inhabitants)
99 Km E of Siena (53903 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
Bulletin
Rev1000
ML 0.0 2021-08-13
16:42:03
43.2757 12.5597 1 2021-12-29
11:12:52
Bollettino Sismico Italiano INGV 97516561
Reviewed
Rev100
ML 0.1 2021-08-13
16:42:03
43.2638 12.5333 9 2021-08-13
17:00:47
Sala Sismica INGV-Roma 94093341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-13 16:42:03 ± 0.11
Latitude 43.2757 ± 0.0063
Longitude 12.5597 ± 0.0099
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97516561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 860
Semi-minor axis of confidence ellipse (meter) 630
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 860
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.02878
Epicentral distance of station farthest from the epicenter (degree) 0.2608
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0

Field Value
Value 0
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 97516561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-17 11:20:56

ML:0.1

Field Value
Value 0.1
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 94093341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-13 17:00:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.PIEI.HNZ. 2021-08-13T16:42:09.36 0.3 undecidable manual P 356 0.2608 91 -0.24 73
IV.ASSB.HHE. 2021-08-13T16:42:08.78 0.3 undecidable manual P 163 0.2437 91 -0.45 70
IV.ATVO.HHZ. 2021-08-13T16:42:07.08 0.3 undecidable manual P 314 0.1538 92 -0.15 76
IV.TB03.DH1. 2021-08-13T16:42:07.47 0.3 undecidable manual P 319 0.1664 92 -0.03 77
IV.ATSC.EHZ. 2021-08-13T16:42:07.70 0.3 undecidable manual P 32 0.1745 91 0.01 78
IV.TB01.DHE. 2021-08-13T16:42:06.86 0.3 undecidable manual P 320 0.1394 92 -0.04 78
IV.ATFO.HHN. 2021-08-13T16:42:06.25 0.3 undecidable manual P 5 0.0908 93 0.41 72
IV.ATCC.EHZ. 2021-08-13T16:42:06.42 0.3 undecidable manual P 147 0.1079 92 0.22 75
IV.ATLO.EHZ. 2021-08-13T16:42:06.27 0.3 undecidable manual P 290 0.1178 92 -0.15 76
IV.MURB.HHZ. 2021-08-13T16:42:04.75 0.1 undecidable manual P 244 0.0288 99 0.3 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MURB.HHN. ML:0 0.0003834583 0.2176 AML other m 2021-08-13T16:42:06.16
IV.MURB.HHE. ML:0 0.00045 0.24 AML other m 2021-08-13T16:42:06.04
IV.MURB.HNE. ML:0 0.0005029513 0.2304 AML other m 2021-08-13T16:42:06.06
IV.MURB.HNN. ML:0 0.00030216615 0.1664 AML other m 2021-08-13T16:42:06.16
IV.ATPI.HNE. ML:1.3 0.00014206341 1.1808 AML other m 2021-08-13T16:42:07.24
IV.ATCC.EHN. ML:0.1 2.0277815E-5 1.7696 AML other m 2021-08-13T16:42:08.97
IV.ATCC.EHE. ML:0.1 1.9827285E-5 0.192 AML other m 2021-08-13T16:42:09.70
IV.ATVO.HHN. ML:0 8.2613445E-6 0.2176 AML other m 2021-08-13T16:42:10.26
IV.ATVO.HHE. ML:-0.3 6.153461E-6 0.1152 AML other m 2021-08-13T16:42:11.08
IV.ATPI.HNN. ML:1.3 0.00013130666 0.96 AML other m 2021-08-13T16:42:11.05
IV.ATPI.EHE. ML:-0.2 6.130332E-6 0.2048 AML other m 2021-08-13T16:42:12.15
IV.ATPI.EHN. ML:-0.2 5.624245E-6 0.2432 AML other m 2021-08-13T16:42:12.44
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