Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 22-09-2020 and time 15:09:35 (Italy) in region 5 km SE Sefro (MC)

A magnitude ML 1.5 earthquake occured in region: 5 km SE Sefro (MC), on

  • 22-09-2020 13:09:35 (UTC)
  • 22-09-2020 15:09:35 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1240, 13.0060 at 13 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
Sefro MC 5 422 422
Camerino MC 5 6974 7396
Muccia MC 6 915 8311
Pioraco MC 6 1134 9445
Serravalle di Chienti MC 7 1070 10515
Fiuminata MC 9 1402 11917
Pievebovigliana MC 9 866 12783
Pieve Torina MC 10 1458 14241
Castelraimondo MC 11 4587 18828
Fiordimonte MC 12 202 19030
Gagliole MC 14 620 19650
Monte Cavallo MC 14 145 19795
Matelica MC 15 9981 29776
Esanatoglia MC 15 2034 31810
Fiastra MC 16 559 32369
Serrapetrona MC 16 966 33335
Acquacanina MC 17 121 33456
Nocera Umbra PG 18 5839 39295
Caldarola MC 18 1823 41118
San Severino Marche MC 18 12726 53844
Belforte del Chienti MC 19 1886 55730

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NE of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
69 Km SW of Ancona (100861 inhabitants)
69 Km NE of Terni (111501 inhabitants)
77 Km NW of Teramo (54892 inhabitants)
80 Km S of Fano (60888 inhabitants)
88 Km S of Pesaro (94582 inhabitants)
92 Km NW of L'Aquila (69753 inhabitants)
99 Km E of Arezzo (99543 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 1.5 2020-09-22
13:09:35		 43.1242 13.0057 13 2021-02-26
14:56:02		 Bollettino Sismico Italiano INGV 84416951
Reviewed
Rev100 		ML 1.5 2020-09-22
13:09:35		 43.1195 13.005 15 2020-09-22
13:17:12		 Sala Sismica INGV-Roma 83132191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-22 13:09:35 ± 0.05
Latitude 43.1242 ± 0.0018
Longitude 13.0057 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84416951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 36
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 37
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 48
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.57647
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 83132191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-22 13:17:12

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 23
Type of magnitude ML
Reference to an origin 84416951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-03 15:04:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.MUGIO.HHZ. 2020-09-22T13:11:24.80 3.0 undecidable manual Sn 2.88 0
IV.GIB.HHZ. 2020-09-22T13:11:09.73 3.0 positive manual Pg 17.93 0
SL.LJU.BHZ. 2020-09-22T13:10:57.97 3.0 undecidable manual Sn -2.75 0
AC.VLO.HHZ. 2020-09-22T13:10:56.88 3.0 undecidable manual Pn 0.33 0
IV.MCRV.HHZ. 2020-09-22T13:10:52.25 3.0 undecidable manual Sn -2.05 0
IV.GATE.HHZ. 2020-09-22T13:10:42.79 3.0 undecidable manual Sg 5.6 0
IV.PTRP.HHZ. 2020-09-22T13:10:34.71 3.0 undecidable manual Pg 6.6 0
IV.CMPR.HHZ. 2020-09-22T13:10:27.37 3.0 undecidable manual Pn 1.62 0
IV.CADC.HNZ. 2020-09-22T13:10:23.16 3.0 undecidable manual Pn -0.05 0
IV.FREG.EHZ. 2020-09-22T13:10:21.33 3.0 undecidable manual Pn 0.68 0
IV.NDIM.HHZ. 2020-09-22T13:10:20.59 3.0 negative manual Pg 8.18 0
IV.PTRJ.HNZ. 2020-09-22T13:10:16.44 3.0 undecidable manual Pg 7.13 0
IV.GIUL.HHZ. 2020-09-22T13:10:04.48 3.0 undecidable manual Pg 2.24 0
IV.NARO.HHZ. 2020-09-22T13:09:55.02 0.3 undecidable manual S 328 63.9915 92 -0.07 67
IV.GAVE.EHZ. 2020-09-22T13:09:51.41 0.3 undecidable manual S 191 48.8178 93 0.36 65
IV.MURB.HHZ. 2020-09-22T13:09:49.81 0.3 undecidable manual S 292 41.8248 93 0.61 61
IV.ARVD.HHZ. 2020-09-22T13:09:49.38 0.1 undecidable manual S 353 41.8248 93 0.19 91
IV.MF5.EHZ. 2020-09-22T13:09:49.42 0.1 undecidable manual S 112 39.8268 93 0.77 77
IV.SSFR.HHZ. 2020-09-22T13:09:48.71 0.1 undecidable manual S 333 39.0276 93 0.26 90
IV.MMO1.EHZ. 2020-09-22T13:09:47.77 0.1 undecidable manual S 134 36.0417 94 0.11 94
IV.GUMA.HHZ. 2020-09-22T13:09:46.07 0.1 undecidable manual S 104 27.5502 96 0.67 82
IV.ATCC.EHZ. 2020-09-22T13:09:46.42 0.1 undecidable manual S 283 30.3474 95 0.28 91
IV.NARO.HHZ. 2020-09-22T13:09:46.70 0.1 negative manual P 328 63.9915 92 -0.14 88
IV.NRCA.HHZ. 2020-09-22T13:09:46.74 0.1 undecidable manual S 165 33.4443 94 -0.22 92
IV.CRTC.HHZ. 2020-09-22T13:09:46.52 3.0 undecidable manual P -1.71 0
IV.MC2.EHZ. 2020-09-22T13:09:45.47 0.1 undecidable manual S 148 27.8499 96 -0.02 96
IV.ASSB.HHZ. 2020-09-22T13:09:45.77 0.1 undecidable manual S 252 29.5482 95 -0.15 94
IV.GAVE.EHZ. 2020-09-22T13:09:44.27 0.3 undecidable manual P 191 48.8178 93 -0.23 67
IV.EL6.EHZ. 2020-09-22T13:09:44.39 0.1 undecidable manual S 19 24.0537 98 -0.08 96
IV.MF5.EHZ. 2020-09-22T13:09:43.51 0.1 negative manual P 112 39.8268 93 0.39 88
IV.FEMA.HNZ. 2020-09-22T13:09:43.10 0.1 undecidable manual S 169 18.3705 105 0.13 96
IV.MURB.HHZ. 2020-09-22T13:09:43.05 0.1 undecidable manual P 292 41.8248 93 -0.38 87
IV.ARVD.HHZ. 2020-09-22T13:09:43.26 0.1 positive manual P 353 41.8248 93 -0.17 92
IV.MMO1.EHZ. 2020-09-22T13:09:42.37 0.1 positive manual P 134 36.0417 94 -0.18 92
IV.CSP1.EHZ. 2020-09-22T13:09:42.49 0.1 undecidable manual S 102 16.5723 108 -0.02 98
IV.SSFR.HHZ. 2020-09-22T13:09:42.79 0.1 negative manual P 333 39.0276 93 -0.22 91
IV.MTL1.HNZ. 2020-09-22T13:09:42.14 0.3 undecidable manual S 1 14.6742 113 0.09 73
IV.PF6.EHZ. 2020-09-22T13:09:42.00 0.1 undecidable manual S 84 15.3735 111 -0.21 95
IV.CESI.HHZ. 2020-09-22T13:09:42.44 0.1 undecidable manual S 212 15.5733 111 0.17 96
IV.MC2.EHZ. 2020-09-22T13:09:41.14 0.1 negative manual P 148 27.8499 96 -0.15 94
IV.FDMO.HHZ. 2020-09-22T13:09:41.22 0.1 undecidable manual S 146 11.7771 123 -0.14 97
IV.ASSB.HHZ. 2020-09-22T13:09:41.31 0.1 undecidable manual P 252 29.5482 95 -0.23 92
IV.MDAR.HNZ. 2020-09-22T13:09:41.64 0.3 undecidable manual S 56 13.4754 117 -0.11 73
IV.GUMA.HHZ. 2020-09-22T13:09:41.36 0.1 undecidable manual P 104 27.5502 96 0.12 95
IV.ATCC.EHZ. 2020-09-22T13:09:41.62 0.1 negative manual P 283 30.3474 95 -0.05 96
IT.MTCL.HGZ. 2020-09-22T13:09:41.90 0.1 undecidable manual S 182 14.4744 114 -0.1 97
IV.NRCA.HHZ. 2020-09-22T13:09:41.82 0.1 undecidable manual P 165 33.4443 94 -0.32 90
IV.FIU1.HNZ. 2020-09-22T13:09:40.80 0.1 undecidable manual S 320 9.2796 133 -0.05 99
IV.PIO1.HNZ. 2020-09-22T13:09:40.29 0.3 undecidable manual S 344 6.2937 146 -0.03 75
IV.EL6.EHZ. 2020-09-22T13:09:40.55 0.1 positive manual P 19 24.0537 98 -0.15 95
IV.MML1.EHZ. 2020-09-22T13:09:40.15 0.1 undecidable manual S 247 2.997 163 0.2 97
IV.MTL1.HNZ. 2020-09-22T13:09:39.33 0.3 undecidable manual P 1 14.6742 113 0.02 74
IT.MTCL.HGZ. 2020-09-22T13:09:39.21 0.1 undecidable manual P 182 14.4744 114 -0.07 98
IV.PF6.EHZ. 2020-09-22T13:09:39.23 0.1 undecidable manual P 84 15.3735 111 -0.17 96
IV.CESI.HHZ. 2020-09-22T13:09:39.48 0.1 positive manual P 212 15.5733 111 0.05 98
IV.CSP1.EHZ. 2020-09-22T13:09:39.49 0.1 undecidable manual P 102 16.5723 108 -0.09 97
IV.FEMA.HNZ. 2020-09-22T13:09:39.84 0.1 undecidable manual P 169 18.3705 105 0 98
IV.PIO1.HNZ. 2020-09-22T13:09:38.31 0.3 undecidable manual P 344 6.2937 146 0 76
IV.MML1.EHZ. 2020-09-22T13:09:38.25 0.1 positive manual P 247 2.997 163 0.16 98
IV.FDMO.HHZ. 2020-09-22T13:09:38.83 0.1 negative manual P 146 11.7771 123 -0.08 98
IV.FIU1.HNZ. 2020-09-22T13:09:38.63 0.1 undecidable manual P 320 9.2796 133 0.01 100
IV.MDAR.HNZ. 2020-09-22T13:09:38.68 0.3 undecidable manual P 56 13.4754 117 -0.46 68
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.4 0.00019317489999999999 0.1216 AML other m 2020-09-22T13:09:42.53
IV.CESI.HHN. ML:1.4 0.00019118595 0.0832 AML other m 2020-09-22T13:09:42.69
IV.CESI.HNN. ML:1.3 0.0001648378 0.096 AML other m 2020-09-22T13:09:42.68
IV.CESI.HNE. ML:1.3 0.00018436239499999997 0.1344 AML other m 2020-09-22T13:09:42.53
IV.CSP1.EHE. ML:1.8 0.0004535691 0.1408 AML other m 2020-09-22T13:09:42.66
IV.CSP1.EHN. ML:1.8 0.00051897955 0.1152 AML other m 2020-09-22T13:09:42.59
IV.EL6.EHN. ML:1.1 0.000073468335 0.4608 AML other m 2020-09-22T13:09:44.41
IV.EL6.EHE. ML:1.4 0.00013665617499999998 0.1216 AML other m 2020-09-22T13:09:44.73
IV.ASSB.HHE. ML:1.0 0.000051077035 0.1984 AML other m 2020-09-22T13:09:45.86
IV.ASSB.HHN. ML:1.4 0.00013147775 0.1984 AML other m 2020-09-22T13:09:46.03
IV.ATCC.EHE. ML:1.4 0.00011766545000000001 0.1984 AML other m 2020-09-22T13:09:46.66
IV.ATCC.EHN. ML:1.3 0.000099074245 0.1984 AML other m 2020-09-22T13:09:46.49
IV.NRCA.HNN. ML:1.7 0.0001893779 0.1216 AML other m 2020-09-22T13:09:46.94
IV.NRCA.HHN. ML:1.7 0.0002005482 0.1024 AML other m 2020-09-22T13:09:46.99
IV.NRCA.HHE. ML:1.2 0.00006063487 0.1792 AML other m 2020-09-22T13:09:46.83
IV.SSFR.HHN. ML:1.6 0.00013525035000000002 0.2816 AML other m 2020-09-22T13:09:49.06
IV.SSFR.HNE. ML:1.7 0.00017031605 0.2688 AML other m 2020-09-22T13:09:49.00
IV.SSFR.HHE. ML:1.6 0.00014951775 0.224 AML other m 2020-09-22T13:09:48.88
IV.SSFR.HNN. ML:1.6 0.00015364735 0.1664 AML other m 2020-09-22T13:09:48.97
IV.MURB.HHE. ML:1.3 0.00006213081499999999 0.1984 AML other m 2020-09-22T13:09:50.13
IV.MURB.HHN. ML:1.3 0.00007053066499999999 0.1984 AML other m 2020-09-22T13:09:50.69
IV.GAVE.EHN. ML:1.4 0.00006840594 0.1408 AML other m 2020-09-22T13:09:52.34
IV.GAVE.EHE. ML:1.5 0.00008971435999999999 0.1792 AML other m 2020-09-22T13:09:52.33
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