Earthquake with magnitude of ML 0.6 on date 13-08-2021 and time 02:42:00 (Italy) in region 4 km NW Sellano (PG)

A magnitude ML 0.6 earthquake occured in region: 4 km NW Sellano (PG), on

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

and geographic coordinates (lat, lon) 42.9190, 12.8900 at 11 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
Sellano PG 5 1079 1079
Cerreto di Spoleto PG 11 1075 2154
Trevi PG 12 8469 10623
Monte Cavallo MC 12 145 10768
Preci PG 13 724 11492
Campello sul Clitunno PG 14 2442 13934
Foligno PG 16 57155 71089
Visso MC 16 1107 72196
Vallo di Nera PG 17 364 72560
Serravalle di Chienti MC 18 1070 73630
Valtopina PG 19 1398 75028
Pieve Torina MC 19 1458 76486
Montefalco PG 20 5679 82165
Spello PG 20 8645 90810

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km E of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
46 Km E of Perugia (166134 inhabitants)
73 Km W of Teramo (54892 inhabitants)
76 Km NW of L'Aquila (69753 inhabitants)
85 Km NE of Viterbo (67173 inhabitants)
93 Km SW of Ancona (100861 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 0.6 2021-08-13
00:42:00
42.919 12.8902 11 2021-08-13
00:48:47
Sala Sismica INGV-Roma 94046071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-13 00:42:00 ± 0.1
Latitude 42.9190 ± 0.0072
Longitude 12.8902 ± 0.0098
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 94046071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 978
Semi-minor axis of confidence ellipse (meter) 402
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 316
Circular confidence region, given by single value of horizontal uncertainty (meter) 980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 15
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38221
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 94046071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-13 00:48:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIZZ.HHZ. 2021-08-13T00:43:01.43 3.0 positive manual Pg 11.65 0
MN.CLTB.HHZ. 2021-08-13T00:42:56.15 3.0 undecidable manual Pn -3.91 0
IV.PARC.HHZ. 2021-08-13T00:42:38.14 3.0 undecidable manual S 1.91 0
IV.CDRU.HHZ. 2021-08-13T00:42:26.35 3.0 undecidable manual Pn -0.96 0
IV.ASSB.HHZ. 2021-08-13T00:42:17.30 3.0 undecidable manual S -0.69 0
IV.CSP1.EHZ. 2021-08-13T00:42:11.33 0.3 undecidable manual S 53 31.9458 50 0.09 72
IV.MOMA.HNZ. 2021-08-13T00:42:10.66 0.3 undecidable manual S 244 28.9488 50 0.2 70
IV.MML1.EHZ. 2021-08-13T00:42:08.71 0.3 undecidable manual S 17 22.5552 50 -0.03 74
IV.FDMO.HHZ. 2021-08-13T00:42:07.90 0.3 undecidable manual S 51 20.6682 50 -0.32 70
IV.ATCC.EHZ. 2021-08-13T00:42:07.30 3.0 negative manual P 0.03 0
IV.CESX.HHE. 2021-08-13T00:42:07.73 0.1 undecidable manual P 216 42.4242 50 -0.46 87
IV.LNSS.HNE. 2021-08-13T00:42:07.27 0.1 undecidable manual P 161 37.1295 50 -0.11 94
IV.MOMA.HNZ. 2021-08-13T00:42:06.23 0.3 undecidable manual P 244 28.9488 50 0.1 72
IV.MC2.EHZ. 2021-08-13T00:42:06.01 0.1 undecidable manual P 92 24.2535 50 0.61 85
IV.CSP1.EHZ. 2021-08-13T00:42:06.52 1.0 positive manual P 53 31.9458 50 -0.06 24
IV.GAVE.EHZ. 2021-08-13T00:42:05.40 3.0 undecidable manual S -0.04 0
IV.MML1.EHZ. 2021-08-13T00:42:05.10 0.6 undecidable manual P 17 22.5552 50 -0.04 49
IV.CESI.HHZ. 2021-08-13T00:42:05.33 0.3 undecidable manual S 7 9.5793 139 0.08 75
IV.ASSB.HHZ. 2021-08-13T00:42:05.22 3.0 undecidable manual P 0.29 0
IT.MTCL.HGE. 2021-08-13T00:42:05.64 0.3 undecidable manual S 47 12.1767 132 -0.24 72
IV.FDMO.HHZ. 2021-08-13T00:42:04.73 1.0 positive manual P 51 20.6682 50 -0.11 24
IV.CESI.HHZ. 2021-08-13T00:42:03.33 0.6 positive manual P 7 9.5793 139 0.2 48
IT.MTCL.HGE. 2021-08-13T00:42:03.52 0.1 undecidable manual P 47 12.1767 132 0.03 100
IV.VIVA.HHZ. 2021-08-13T00:42:02.11 3.0 undecidable manual P -0.99 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:1.0 0.00011249999999999998 0.18 AML other m 2021-08-13T00:42:05.56
IV.CESI.HHE. ML:0.7 0.00006735 0.24 AML other m 2021-08-13T00:42:05.65
IV.FDMO.HHN. ML:0.2 0.000011890000000000001 0.76 AML other m 2021-08-13T00:42:08.43
IV.FDMO.HHE. ML:0.3 0.00001495 0.22 AML other m 2021-08-13T00:42:08.34
IV.MML1.EHN. ML:0.4 0.0000141 1.78 AML other m 2021-08-13T00:42:08.91
IV.MML1.EHE. ML:0.5 0.00002105 1.76 AML other m 2021-08-13T00:42:09.94
IV.GAVE.EHE. ML:0.5 0.000018194999999999998 1.12 AML other m 2021-08-13T00:42:10.09
IV.GAVE.EHN. ML:0.5 0.00001845 1.2 AML other m 2021-08-13T00:42:11.31
IV.GUMA.HHN. ML:1.2 0.00006235 1.42 AML other m 2021-08-13T00:42:27.23
IV.GUMA.HHE. ML:1.1 0.00004685 0.2 AML other m 2021-08-13T00:42:27.21
IV.ASSB.HHE. ML:0.9 0.00004515 0.06 AML other m 2021-08-13T00:42:33.88
IV.ASSB.HHN. ML:0.4 0.0000166 1.68 AML other m 2021-08-13T00:42:33.91
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