Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 01-10-2020 and time 16:32:41 (UTC) in region 6 km W Monte Cavallo (MC)

A magnitude ML 1.6 earthquake occured in region: 6 km W Monte Cavallo (MC), on

  • 01-10-2020 16:32:41 (UTC)
  • 01-10-2020 18:32:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9820, 12.9250 at 10 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Monte Cavallo MC 7 145 145
Sellano PG 10 1079 1224
Serravalle di Chienti MC 10 1070 2294
Pieve Torina MC 13 1458 3752
Visso MC 15 1107 4859
Preci PG 15 724 5583
Fiordimonte MC 15 202 5785
Muccia MC 15 915 6700
Pievebovigliana MC 16 866 7566
Valtopina PG 16 1398 8964
Ussita MC 18 444 9408
Cerreto di Spoleto PG 18 1075 10483
Foligno PG 18 57155 67638
Nocera Umbra PG 18 5839 73477
Trevi PG 18 8469 81946
Sefro MC 19 422 82368
Fiastra MC 20 559 82927

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km E of Foligno (57155 inhabitants)
46 Km E of Perugia (166134 inhabitants)
52 Km NE of Terni (111501 inhabitants)
73 Km W of Teramo (54892 inhabitants)
80 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
92 Km NE of Viterbo (67173 inhabitants)
96 Km S of Fano (60888 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 1.6 2020-10-01
16:32:41		 42.9817 12.9247 10 2021-02-26
14:55:58		 Bollettino Sismico Italiano INGV 83758951
Reviewed
Rev100 		ML 1.6 2020-10-01
16:32:41		 42.9763 12.9175 10 2020-10-01
16:41:43		 Sala Sismica INGV-Roma 83419871
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-01 16:32:41 ± 0.04
Latitude 42.9817 ± 0.0018
Longitude 12.9247 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83758951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 227
Semi-minor axis of confidence ellipse (meter) 214
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 60
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 30
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 61
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.02698
Epicentral distance of station farthest from the epicenter (degree) 0.60344
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 83758951
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-13 17:25:37

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 83419871
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-01 16:41:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATVO.HHZ. 2020-10-01T16:33:00.35 0.6 undecidable manual S 317 61.0944 50 0.33 43
IV.RM33.EHZ. 2020-10-01T16:32:59.43 0.6 undecidable manual S 156 57.498 50 0.35 43
IV.SMA1.EHZ. 2020-10-01T16:32:57.68 0.6 undecidable manual S 139 51.3153 50 0.25 45
IV.MF5.EHZ. 2020-10-01T16:32:56.40 0.3 undecidable manual S 89 43.4232 50 1.08 50
IV.MURB.HHZ. 2020-10-01T16:32:56.27 0.3 undecidable manual S 314 45.0216 50 0.54 63
IV.ARRO.EHZ. 2020-10-01T16:32:56.14 0.3 undecidable manual S 196 46.5201 50 0.01 71
IV.CESX.HHE. 2020-10-01T16:32:56.87 0.3 undecidable manual S 214 49.7169 50 -0.12 69
IV.LNSS.HHZ. 2020-10-01T16:32:55.02 0.3 undecidable manual S 167 43.0236 50 -0.2 69
IV.EL6.EHZ. 2020-10-01T16:32:54.79 0.3 undecidable manual S 20 41.1255 50 0.09 71
IT.GNU.HGE. 2020-10-01T16:32:53.40 0.6 undecidable manual S 236 34.9428 50 0.35 45
IV.FOSV.HNE. 2020-10-01T16:32:53.86 0.3 undecidable manual S 339 37.1295 50 0.22 69
IV.ATPI.EHZ. 2020-10-01T16:32:53.93 3.0 undecidable manual P 66.9774 1 0
IV.MOMA.HNZ. 2020-10-01T16:32:53.35 0.3 undecidable manual S 236 34.9428 50 0.31 68
IV.GUMA.HHZ. 2020-10-01T16:32:53.40 0.3 undecidable manual S 75 34.4433 50 0.47 66
IV.GAVE.EHZ. 2020-10-01T16:32:52.12 0.3 undecidable manual S 184 32.2455 50 -0.2 70
IV.ATCC.EHZ. 2020-10-01T16:32:52.39 0.3 undecidable manual S 314 32.2455 50 0.06 72
IV.MMO1.EHZ. 2020-10-01T16:32:52.55 0.3 undecidable manual S 105 33.9438 50 -0.22 70
IV.RM33.EHZ. 2020-10-01T16:32:51.38 0.1 undecidable manual P 156 57.498 50 -0.09 92
IV.ATVO.HHZ. 2020-10-01T16:32:51.86 0.3 undecidable manual P 317 61.0944 50 -0.15 67
IV.SNTG.HHE. 2020-10-01T16:32:51.68 0.3 undecidable manual S 2 30.3474 50 -0.14 71
IV.MDAR.HNN. 2020-10-01T16:32:51.27 0.6 undecidable manual S 37 29.3484 50 -0.28 46
IV.PF6.EHN. 2020-10-01T16:32:50.82 0.3 undecidable manual S 52 27.8499 50 -0.35 69
IV.CESX.HHE. 2020-10-01T16:32:50.65 0.6 undecidable manual P 214 49.7169 50 0.39 44
IV.SMA1.EHZ. 2020-10-01T16:32:50.64 0.1 undecidable manual P 139 51.3153 50 0.13 92
IV.CSP1.EHZ. 2020-10-01T16:32:50.43 0.3 undecidable manual S 62 25.752 50 -0.18 71
IV.MURB.HHZ. 2020-10-01T16:32:49.49 0.1 undecidable manual P 314 45.0216 50 -0.04 95
IV.NRCA.HHZ. 2020-10-01T16:32:49.29 0.3 undecidable manual S 137 22.5552 114 -0.36 69
IV.FIU1.HNZ. 2020-10-01T16:32:49.52 0.6 undecidable manual S 1 22.9548 114 -0.26 47
IV.ARRO.EHZ. 2020-10-01T16:32:49.50 0.1 undecidable manual P 196 46.5201 50 -0.26 90
IV.ASSB.HHZ. 2020-10-01T16:32:49.34 0.3 undecidable manual S 287 22.5552 114 -0.33 69
IV.MF5.EHZ. 2020-10-01T16:32:49.71 0.1 undecidable manual P 89 43.4232 50 0.42 88
IV.MC2.EHZ. 2020-10-01T16:32:49.72 0.3 undecidable manual S 110 22.8549 114 -0.03 74
IV.MOMA.HNZ. 2020-10-01T16:32:48.20 0.1 undecidable manual P 236 34.9428 50 0.22 93
IV.GUMA.HHZ. 2020-10-01T16:32:48.07 0.1 undecidable manual P 75 34.4433 50 0.16 94
IV.SEF1.HNN. 2020-10-01T16:32:48.23 0.3 undecidable manual S 6 18.3705 119 -0.14 73
IV.EL6.EHZ. 2020-10-01T16:32:48.79 0.1 undecidable manual P 20 41.1255 50 -0.15 93
IV.LNSS.HHZ. 2020-10-01T16:32:48.91 0.1 undecidable manual P 167 43.0236 50 -0.33 89
IT.GNU.HGE. 2020-10-01T16:32:48.01 0.3 undecidable manual P 236 34.9428 50 0.03 72
IV.FOSV.HNE. 2020-10-01T16:32:48.09 0.1 undecidable manual P 339 37.1295 50 -0.24 92
IV.MMO1.EHZ. 2020-10-01T16:32:47.60 0.1 undecidable manual P 105 33.9438 50 -0.23 93
IV.SNTG.HHE. 2020-10-01T16:32:47.05 0.1 undecidable manual P 2 30.3474 50 -0.22 93
IV.MDAR.HNN. 2020-10-01T16:32:47.00 0.6 undecidable manual P 37 29.3484 50 -0.12 48
IV.GAVE.EHZ. 2020-10-01T16:32:47.36 0.1 undecidable manual P 184 32.2455 50 -0.2 94
IV.MML1.HNE. 2020-10-01T16:32:47.46 0.3 undecidable manual S 15 15.0738 124 0.07 74
IV.FDMO.HHN. 2020-10-01T16:32:47.09 0.3 undecidable manual S 65 14.5743 125 -0.13 73
IV.ATCC.EHZ. 2020-10-01T16:32:47.46 0.1 undecidable manual P 314 32.2455 50 -0.11 95
IV.MC2.EHZ. 2020-10-01T16:32:46.02 0.1 undecidable manual P 110 22.8549 114 -0.06 98
IV.CSP1.EHZ. 2020-10-01T16:32:46.46 0.3 negative manual P 62 25.752 50 -0.11 72
IV.PF6.EHN. 2020-10-01T16:32:46.70 0.1 undecidable manual P 52 27.8499 50 -0.2 94
IV.FEMA.HNZ. 2020-10-01T16:32:46.41 0.6 undecidable manual S 102 10.3785 134 0.3 48
IT.FOPC.HGN. 2020-10-01T16:32:45.51 1.0 undecidable manual P 266 18.0708 119 0.3 24
IV.CESI.HHZ. 2020-10-01T16:32:45.00 0.3 undecidable manual S 328 2.997 163 0.25 73
IV.NRCA.HHZ. 2020-10-01T16:32:45.80 0.1 positive manual P 137 22.5552 114 -0.22 95
IV.FIU1.HNZ. 2020-10-01T16:32:45.99 0.6 undecidable manual P 1 22.9548 114 -0.11 48
IT.MTCL.HGZ. 2020-10-01T16:32:45.33 0.3 undecidable manual S 77 6.1938 149 0.12 75
IV.ASSB.HHZ. 2020-10-01T16:32:45.86 0.1 positive manual P 287 22.5552 114 -0.17 96
IV.SEF1.HNN. 2020-10-01T16:32:45.19 0.1 undecidable manual P 6 18.3705 119 -0.09 98
IV.MML1.HNE. 2020-10-01T16:32:44.83 0.1 undecidable manual P 15 15.0738 124 0.11 98
IV.FDMO.HHN. 2020-10-01T16:32:44.65 0.1 undecidable manual P 65 14.5743 125 0.03 100
IV.FEMA.HNZ. 2020-10-01T16:32:44.24 0.1 undecidable manual P 102 10.3785 134 0.26 96
IT.MTCL.HGZ. 2020-10-01T16:32:43.65 0.1 undecidable manual P 77 6.1938 149 0.19 98
IV.CESI.HHZ. 2020-10-01T16:32:43.50 0.1 undecidable manual P 328 2.997 163 0.3 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.5 0.0006075 0.24 AML other m 2020-10-01T16:32:45.10
IV.CESI.HHN. ML:1.8 0.0010575 0.42 AML other m 2020-10-01T16:32:45.14
IV.NRCA.HHN. ML:2.1 0.000824 0.16 AML other m 2020-10-01T16:32:49.44
IV.NRCA.HHE. ML:2.0 0.0006200000000000001 0.16 AML other m 2020-10-01T16:32:49.45
IV.ASSB.HHE. ML:1.4 0.0001785 0.54 AML other m 2020-10-01T16:32:49.59
IV.ASSB.HHN. ML:1.4 0.000179 0.3 AML other m 2020-10-01T16:32:49.68
IV.CSP1.EHN. ML:2.2 0.0009105 0.38 AML other m 2020-10-01T16:32:50.96
IV.CSP1.EHE. ML:2.1 0.000758 0.32 AML other m 2020-10-01T16:32:50.83
IV.GAVE.EHE. ML:1.6 0.00020150000000000002 0.46 AML other m 2020-10-01T16:32:52.31
IV.ATCC.EHE. ML:1.4 0.000122 0.3 AML other m 2020-10-01T16:32:52.61
IV.GAVE.EHN. ML:1.6 0.0001855 0.32 AML other m 2020-10-01T16:32:53.17
IV.ATCC.EHN. ML:1.4 0.0001225 0.3 AML other m 2020-10-01T16:32:53.55
IV.GUMA.HHE. ML:2.0 0.0004195 0.18 AML other m 2020-10-01T16:32:53.65
IV.GUMA.HHN. ML:1.8 0.0002515 0.2 AML other m 2020-10-01T16:32:53.66
IV.EL6.EHE. ML:1.6 0.00014050000000000003 0.16 AML other m 2020-10-01T16:32:55.60
IV.LNSS.HHE. ML:1.6 0.000141 1.32 AML other m 2020-10-01T16:32:55.90
IV.EL6.EHN. ML:1.8 0.0001835 0.56 AML other m 2020-10-01T16:32:56.32
IV.LNSS.HHN. ML:1.5 0.0001043 1.16 AML other m 2020-10-01T16:32:56.99
IV.ARRO.EHN. ML:1.3 0.00005425 0.48 AML other m 2020-10-01T16:32:56.78
IV.ARRO.EHE. ML:1.4 0.000078 0.16 AML other m 2020-10-01T16:32:57.30
IV.SMA1.EHE. ML:1.2 0.00003985 0.68 AML other m 2020-10-01T16:32:58.57
IV.CESI.HNN. ML:1.7 0.0009332042500000001 0.2176 AML other m 2020-10-01T16:32:45.14
IV.CESI.HNE. ML:1.4 0.00045384569999999994 0.0896 AML other m 2020-10-01T16:32:45.11
IV.MURB.HHE. ML:1.5 0.000096190055 0.192 AML other m 2020-10-01T16:32:58.54
IV.MURB.HHN. ML:1.4 0.00008018893 0.2176 AML other m 2020-10-01T16:32:59.11
IV.SMA1.EHN. ML:1.2 0.00004742334 0.3584 AML other m 2020-10-01T16:33:04.79
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