Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 18-11-2020 and time 18:05:51 (UTC) in region 3 km E Sellano (PG)

A magnitude ML 0.7 earthquake occured in region: 3 km E Sellano (PG), on

  • 18-11-2020 18:05:51 (UTC)
  • 18-11-2020 19:05:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8860, 12.9580 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.

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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 3 1079 1079
Preci PG 7 724 1803
Cerreto di Spoleto PG 8 1075 2878
Visso MC 12 1107 3985
Monte Cavallo MC 13 145 4130
Vallo di Nera PG 15 364 4494
Norcia PG 15 4957 9451
Castelsantangelo sul Nera MC 16 281 9732
Ussita MC 16 444 10176
Campello sul Clitunno PG 16 2442 12618
Trevi PG 17 8469 21087
Cascia PG 19 3217 24304
Pieve Torina MC 19 1458 25762
Poggiodomo PG 19 117 25879
Sant'Anatolia di Narco PG 20 564 26443
Fiordimonte MC 20 202 26645

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km E of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
52 Km E of Perugia (166134 inhabitants)
66 Km W of Teramo (54892 inhabitants)
70 Km NW of L'Aquila (69753 inhabitants)
87 Km NE of Viterbo (67173 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
100 Km N of Guidonia Montecelio (88673 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 0.7 2020-11-18
18:05:51		 42.8862 12.9583 11 2020-11-18
18:16:42		 Sala Sismica INGV-Roma 84829471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-18 18:05:51 ± 0.05
Latitude 42.8862 ± 0.0018
Longitude 12.9583 ± 0.0025
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 84829471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 199
Semi-minor axis of confidence ellipse (meter) 65
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 121
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29588
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 84829471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-18 18:16:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHZ. 2020-11-18T18:06:33.53 3.0 undecidable manual S 0.16 0
IV.SRES.HHZ. 2020-11-18T18:06:17.02 3.0 undecidable manual S -0.19 0
IV.SRES.HHZ. 2020-11-18T18:06:07.05 3.0 undecidable manual P 1.13 0
IV.MOMA.HHE. 2020-11-18T18:06:02.97 0.3 undecidable manual S 254 32.8449 91 -0.01 73
IV.MMO1.EHZ. 2020-11-18T18:06:02.22 0.6 undecidable manual S 87 29.9478 91 0.01 49
IV.CSP1.EHZ. 2020-11-18T18:06:02.31 0.6 undecidable manual S 41 30.3474 91 0 49
IV.GAVE.EHZ. 2020-11-18T18:06:00.03 0.3 undecidable manual S 194 22.1556 91 -0.09 73
IV.MML1.HNZ. 2020-11-18T18:06:00.85 0.3 undecidable manual S 2 25.2525 91 -0.09 73
IV.MC2.EHZ. 2020-11-18T18:05:59.39 0.3 undecidable manual S 81 18.9699 92 0.13 73
IV.FDMO.HHZ. 2020-11-18T18:05:59.36 0.3 undecidable manual S 32 19.6692 92 -0.1 74
IV.MOMA.HHE. 2020-11-18T18:05:58.11 0.6 undecidable manual P 254 32.8449 91 -0.13 48
IV.NRCA.HHZ. 2020-11-18T18:05:57.97 0.3 undecidable manual S 115 13.9749 100 0.03 75
IV.CSP1.EHZ. 2020-11-18T18:05:57.90 0.6 undecidable manual P 41 30.3474 91 0.05 48
IV.CESI.HHZ. 2020-11-18T18:05:57.93 0.3 undecidable manual S 342 13.875 101 0.01 75
IV.MMO1.EHZ. 2020-11-18T18:05:57.72 1.0 undecidable manual P 87 29.9478 91 -0.07 24
IV.ASSB.HHZ. 2020-11-18T18:05:57.90 0.6 undecidable manual P 306 29.8479 91 0.12 48
IT.MTCL.HGZ. 2020-11-18T18:05:57.43 0.3 undecidable manual S 16 12.3765 109 -0.11 74
IV.MML1.HNZ. 2020-11-18T18:05:57.06 0.6 undecidable manual P 2 25.2525 91 0 49
IV.FDMO.HHZ. 2020-11-18T18:05:56.16 0.1 undecidable manual P 32 19.6692 92 -0.04 99
IV.GAVE.EHZ. 2020-11-18T18:05:56.61 0.6 positive manual P 194 22.1556 91 0.03 50
IT.MTCL.HGZ. 2020-11-18T18:05:55.16 0.3 undecidable manual P 16 12.3765 109 0.07 75
IV.NRCA.HHZ. 2020-11-18T18:05:55.37 0.1 negative manual P 115 13.9749 100 0.05 100
IV.MC2.EHZ. 2020-11-18T18:05:55.59 1.0 undecidable manual P 81 18.9699 92 -0.5 23
IV.CESI.HHZ. 2020-11-18T18:05:55.41 0.1 undecidable manual P 342 13.875 101 0.1 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.8 0.00006339102 0.0896 AML other m 2020-11-18T18:05:58.25
IV.NRCA.HHN. ML:0.8 0.000057419395 0.1024 AML other m 2020-11-18T18:05:58.14
IV.NRCA.HNE. ML:0.8 0.00006745586 0.0128 AML other m 2020-11-18T18:05:58.26
IV.CESI.HHE. ML:0.6 0.000033000171000000004 0.128 AML other m 2020-11-18T18:05:58.27
IV.CESI.HHN. ML:0.9 0.00006815238000000001 0.128 AML other m 2020-11-18T18:05:58.20
IV.FDMO.HHE. ML:0.7 0.000037360810000000004 0.32 AML other m 2020-11-18T18:05:59.49
IV.FDMO.HHN. ML:0.3 0.00001704151 0.1024 AML other m 2020-11-18T18:05:59.62
IV.GAVE.EHE. ML:1.0 0.000058701699999999994 0.1408 AML other m 2020-11-18T18:06:00.39
IV.GAVE.EHN. ML:0.7 0.000027878013999999998 0.1024 AML other m 2020-11-18T18:06:00.70
IV.ASSB.HHE. ML:0.3 0.000007794969999999999 0.0768 AML other m 2020-11-18T18:06:03.65
IV.ASSB.HHN. ML:0.3 0.000008374499 0.0768 AML other m 2020-11-18T18:06:03.53
IV.CSP1.EHE. ML:0.7 0.000024092155 0.2048 AML other m 2020-11-18T18:06:02.96
IV.CSP1.EHN. ML:0.7 0.00002643835 0.2176 AML other m 2020-11-18T18:06:02.97
IV.SRES.HHE. ML:0.9 0.00001187062 0.0768 AML other m 2020-11-18T18:06:20.17
IV.SRES.HHN. ML:0.6 0.000005906204500000001 0.0256 AML other m 2020-11-18T18:06:19.10
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