Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 24-11-2021 and time 19:19:19 (UTC) in region 5 km W Sellano (PG)

A magnitude ML 1.2 earthquake occured in region: 5 km W Sellano (PG), on

  • 24-11-2021 19:19:19 (UTC)
  • 24-11-2021 20:19:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8730, 12.8750 at 11 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.

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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 5 1079 1079
Cerreto di Spoleto PG 7 1075 2154
Campello sul Clitunno PG 10 2442 4596
Trevi PG 10 8469 13065
Vallo di Nera PG 12 364 13429
Preci PG 13 724 14153
Sant'Anatolia di Narco PG 16 564 14717
Foligno PG 17 57155 71872
Monte Cavallo MC 17 145 72017
Castel Ritaldi PG 17 3278 75295
Scheggino PG 18 461 75756
Montefalco PG 18 5679 81435
Poggiodomo PG 19 117 81552
Visso MC 19 1107 82659
Spoleto PG 19 38218 120877
Norcia PG 20 4957 125834

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km SE of Foligno (57155 inhabitants)
39 Km NE of Terni (111501 inhabitants)
47 Km SE of Perugia (166134 inhabitants)
72 Km W of Teramo (54892 inhabitants)
72 Km NW of L'Aquila (69753 inhabitants)
81 Km NE of Viterbo (67173 inhabitants)
98 Km N of Guidonia Montecelio (88673 inhabitants)
98 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
Bulletin
Rev1000 		ML 1.2 2021-11-24
19:19:19		 42.8732 12.8752 11 2022-03-30
13:04:18		 Bollettino Sismico Italiano INGV 97786321
Reviewed
Rev100 		ML 1.2 2021-11-24
19:19:19		 42.8755 12.8712 12 2021-11-24
19:34:05		 Sala Sismica INGV-Roma 97760471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-24 19:19:19 ± 0.06
Latitude 42.8732 ± 0.0027
Longitude 12.8752 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 97786321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 339
Semi-minor axis of confidence ellipse (meter) 212
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 299
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48473
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 35
Type of magnitude ML
Reference to an origin 97760471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-24 19:34:05

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 97786321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-11-25 16:14:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATVO.HHZ. 2021-11-24T19:19:40.70 3.0 undecidable manual P 0
IV.TERO.HHZ. 2021-11-24T19:19:40.19 3.0 undecidable manual S -0.52 0
IV.MML1.EHZ. 2021-11-24T19:19:29.07 0.1 undecidable manual S 16 27.75 90 0.05 98
IV.ASSB.HHZ. 2021-11-24T19:19:28.41 0.1 undecidable manual S 317 25.752 91 -0.06 97
IV.MOMA.HHZ. 2021-11-24T19:19:28.76 0.1 undecidable manual S 253 25.9518 91 0.23 95
IV.FDMO.HHZ. 2021-11-24T19:19:28.14 0.1 undecidable manual S 43 24.9528 91 -0.13 95
IV.EL6.EHZ. 2021-11-24T19:19:28.73 0.1 undecidable manual P 20 53.8017 90 -0.13 91
IV.SNTG.HHZ. 2021-11-24T19:19:27.05 0.1 undecidable manual P 7 42.7239 90 -0.09 94
IV.CSP1.EHZ. 2021-11-24T19:19:26.24 0.1 undecidable manual P 48 36.1416 90 0.12 96
IV.NRCA.HHZ. 2021-11-24T19:19:26.87 0.1 undecidable manual S 103 19.9689 91 -0.05 98
IV.GAVE.EHZ. 2021-11-24T19:19:26.90 0.1 undecidable manual S 176 20.1687 91 -0.07 98
IV.ATCC.EHZ. 2021-11-24T19:19:26.61 0.3 undecidable manual P 331 39.5271 90 -0.04 71
IV.CESI.HHZ. 2021-11-24T19:19:25.65 0.6 undecidable manual S 9 14.7741 94 0.09 49
IT.MTCL.HGN. 2021-11-24T19:19:25.78 0.6 undecidable manual S 37 16.7721 92 -0.29 47
IV.CESX.HHZ. 2021-11-24T19:19:25.67 0.1 undecidable manual P 219 37.629 90 -0.68 81
IV.LNSS.HHZ. 2021-11-24T19:19:25.58 0.1 undecidable manual P 156 32.8449 90 -0.05 97
IV.FDMO.HHZ. 2021-11-24T19:19:24.39 0.1 undecidable manual P 43 24.9528 91 -0.02 98
IV.MC2.EHZ. 2021-11-24T19:19:24.79 0.1 undecidable manual P 80 25.8519 91 0.25 95
IV.ASSB.HHZ. 2021-11-24T19:19:24.42 0.1 undecidable manual P 317 25.752 91 -0.1 96
IV.MOMA.HHZ. 2021-11-24T19:19:24.74 0.1 undecidable manual P 253 25.9518 91 0.18 96
IV.MML1.EHZ. 2021-11-24T19:19:24.81 0.1 undecidable manual P 16 27.75 90 -0.03 97
IV.FEMA.HNN. 2021-11-24T19:19:23.39 0.1 undecidable manual P 55 17.2716 92 0.17 97
IV.NRCA.HHZ. 2021-11-24T19:19:23.68 0.1 undecidable manual P 103 19.9689 91 0.05 100
IT.MTCL.HGN. 2021-11-24T19:19:23.17 0.1 undecidable manual P 37 16.7721 92 0.03 100
IV.GAVE.EHZ. 2021-11-24T19:19:23.77 0.1 undecidable manual P 176 20.1687 91 0.11 98
IV.CESI.HHZ. 2021-11-24T19:19:22.98 0.1 undecidable manual P 9 14.7741 94 0.13 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HNN. ML:1.6 0.00017079435 0.7808 AML other m 2021-11-24T19:19:25.43
IV.CESI.HHN. ML:1.7 0.0004415 1.74 AML other m 2021-11-24T19:19:25.04
IV.CESI.HNN. ML:1.7 0.00042706374999999997 1.7568 AML other m 2021-11-24T19:19:25.91
IV.CESI.HNE. ML:1.6 0.00035982345000000005 1.8336 AML other m 2021-11-24T19:19:25.98
IV.CESI.HHE. ML:1.6 0.0003865 1.84 AML other m 2021-11-24T19:19:25.98
IV.GAVE.HNE. ML:1.4 0.00020055635 0.2048 AML other m 2021-11-24T19:19:27.17
IV.GAVE.EHE. ML:1.4 0.0001770155 0.1536 AML other m 2021-11-24T19:19:27.55
IV.NRCA.HHE. ML:1.1 0.00008566178499999999 0.128 AML other m 2021-11-24T19:19:27.80
IV.MML1.HNN. ML:1.2 0.00008418871 1.2704 AML other m 2021-11-24T19:19:27.17
IV.NRCA.HHN. ML:1.0 0.00007664999999999999 1.34 AML other m 2021-11-24T19:19:27.15
IV.GAVE.HNN. ML:1.4 0.0001789596 0.4992 AML other m 2021-11-24T19:19:28.28
IV.FDMO.HHN. ML:1.1 0.00006900000000000001 0.14 AML other m 2021-11-24T19:19:28.46
IV.FDMO.HHE. ML:1.1 0.000069313825 0.1664 AML other m 2021-11-24T19:19:28.54
IV.GAVE.EHN. ML:1.2 0.00012606810499999997 0.2432 AML other m 2021-11-24T19:19:28.54
IV.ASSB.HHN. ML:1.1 0.00006721858 1.7952 AML other m 2021-11-24T19:19:29.09
IV.ASSB.HHE. ML:1.1 0.00006965455500000001 0.0896 AML other m 2021-11-24T19:19:29.25
IV.MML1.EHN. ML:0.9 0.000045821424999999996 0.1536 AML other m 2021-11-24T19:19:29.30
IV.SNTG.HNE. ML:1.6 0.00013442794999999998 0.8704 AML other m 2021-11-24T19:19:29.50
IV.MML1.EHE. ML:0.9 0.00004262122 0.1792 AML other m 2021-11-24T19:19:29.54
IV.MOMA.HHN. ML:0.9 0.00004145 1.2 AML other m 2021-11-24T19:19:29.74
IV.MOMA.HHE. ML:1.0 0.000055223055 0.2176 AML other m 2021-11-24T19:19:30.43
IV.MC2.EHE. ML:1.0 0.0000576498 0.2176 AML other m 2021-11-24T19:19:30.38
IV.MC2.EHN. ML:1.2 0.00007825862 0.1792 AML other m 2021-11-24T19:19:30.39
IV.ATCC.HNN. ML:1.5 0.00010358784 0.768 AML other m 2021-11-24T19:19:30.54
IV.LNSS.HHE. ML:1.2 0.0000703 0.12 AML other m 2021-11-24T19:19:31.08
IV.LNSS.HHN. ML:1.1 0.000055546460000000005 0.128 AML other m 2021-11-24T19:19:31.21
IV.NRCA.HNN. ML:1.4 0.0001665983 0.6144 AML other m 2021-11-24T19:19:31.81
IV.SNTG.HNN. ML:1.7 0.00014515309 1.04 AML other m 2021-11-24T19:19:32.67
IV.CSP1.EHN. ML:1.4 0.00010573193 0.1664 AML other m 2021-11-24T19:19:32.21
IV.CSP1.EHE. ML:1.5 0.00011783335 0.2944 AML other m 2021-11-24T19:19:32.26
IV.ATCC.EHN. ML:1.0 0.000037303080000000004 1.8592 AML other m 2021-11-24T19:19:32.98
IV.ATCC.EHE. ML:1.2 0.000050638129999999994 0.128 AML other m 2021-11-24T19:19:33.20
IV.MOMA.HNE. ML:1.3 0.000102995345 0.5504 AML other m 2021-11-24T19:19:33.41
IV.CESX.HHN. ML:0.8 0.000026078775 0.2176 AML other m 2021-11-24T19:19:33.52
IV.SNTG.HHN. ML:0.7 0.000016241836499999997 0.0896 AML other m 2021-11-24T19:19:34.21
IV.CESX.HHE. ML:0.8 0.0000256050195 0.2944 AML other m 2021-11-24T19:19:34.21
IV.SNTG.HHE. ML:0.8 0.000017914375000000004 0.1408 AML other m 2021-11-24T19:19:34.64
IV.MML1.HNE. ML:1.3 0.00010900098 1.024 AML other m 2021-11-24T19:19:37.57
IV.LNSS.HNE. ML:1.8 0.00025311269999999997 1.4496 AML other m 2021-11-24T19:19:39.95
IV.ATCC.HNE. ML:1.5 0.000117156275 0.5376 AML other m 2021-11-24T19:19:43.44
IV.EL6.EHE. ML:1.2 0.0000345061625 0.848 AML other m 2021-11-24T19:19:48.56
IV.EL6.EHN. ML:1.2 0.000040051936500000005 0.7808 AML other m 2021-11-24T19:19:50.60
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