Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 22-10-2019 and time 17:50:56 (Italy) in region 6 km S Monte Cavallo (MC)

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

  • 22-10-2019 15:50:56 (UTC)
  • 22-10-2019 17:50:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9440, 13.0090 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
Monte Cavallo MC 6 145 145
Visso MC 7 1107 1252
Preci PG 8 724 1976
Sellano PG 9 1079 3055
Ussita MC 11 444 3499
Pieve Torina MC 12 1458 4957
Fiordimonte MC 12 202 5159
Castelsantangelo sul Nera MC 13 281 5440
Pievebovigliana MC 15 866 6306
Serravalle di Chienti MC 15 1070 7376
Cerreto di Spoleto PG 16 1075 8451
Fiastra MC 16 559 9010
Muccia MC 16 915 9925
Acquacanina MC 17 121 10046
Norcia PG 18 4957 15003
Bolognola MC 19 142 15145

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
54 Km E of Perugia (166134 inhabitants)
65 Km W of Teramo (54892 inhabitants)
73 Km NW of L'Aquila (69753 inhabitants)
86 Km SW of Ancona (100861 inhabitants)
94 Km NE of Viterbo (67173 inhabitants)
100 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 2019-10-22
15:50:56		 42.9437 13.0093 11 2020-02-28
16:42:04		 Bollettino Sismico Italiano INGV 73824851
Reviewed
Rev100 		ML 1.6 2019-10-22
15:50:56		 42.942 13.0143 11 2019-10-22
15:59:58		 Sala Sismica INGV-Roma 73393541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-22 15:50:56 ± 0.04
Latitude 42.9437 ± 0.0027
Longitude 13.0093 ± 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 73824851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 320
Semi-minor axis of confidence ellipse (meter) 238
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 35
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 63
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54139
Number of stations at which the event was observed 42
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 31
Type of magnitude ML
Reference to an origin 73824851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-14 11:37:35

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 73393541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-22 15:59:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GMB.BHZ. 2019-10-22T15:52:25.30 3.0 undecidable manual Pg 21.98 0
IV.GALF.HHZ. 2019-10-22T15:52:23.78 3.0 positive manual Pg 19.540001 0
IV.GATE.HHZ. 2019-10-22T15:52:21.18 3.0 undecidable manual Sg 22.68 0
IV.VBKN.HHZ. 2019-10-22T15:52:18.45 3.0 undecidable manual Sg 12.74 0
IV.PLLN.EHZ. 2019-10-22T15:52:09.09 3.0 undecidable manual Pg 9.64 0
IV.MRB1.HHZ. 2019-10-22T15:52:06.88 3.0 undecidable manual Sn 1.35 0
AC.VLO.HHZ. 2019-10-22T15:52:05.43 3.0 undecidable manual Pn -0.72 0
IV.CROCE.HHZ. 2019-10-22T15:52:04.45 3.0 undecidable manual Pn -9.99 0
IV.ECTS.EHZ. 2019-10-22T15:51:58.25 3.0 undecidable manual Pn -5.66 0
IV.RNI2.HHZ. 2019-10-22T15:51:49.61 3.0 undecidable manual Sn 1.95 0
IV.VIVA.HHZ. 2019-10-22T15:51:39.08 3.0 undecidable manual Sg 0.9 0
IV.TEOL.HHZ. 2019-10-22T15:51:38.61 3.0 undecidable manual Sn -1.65 0
GU.GSCL.HHZ. 2019-10-22T15:51:32.76 3.0 undecidable manual Sg 0.25 0
IV.MNTT.EHZ. 2019-10-22T15:51:26.01 3.0 undecidable manual Sn -0.08 0
IV.FIR.HHZ. 2019-10-22T15:51:21.66 3.0 undecidable manual Sg -0.85 0
IV.VAGA.HHZ. 2019-10-22T15:51:21.06 3.0 undecidable manual Pn 1.96 0
IV.RNI2.HHZ. 2019-10-22T15:51:20.92 3.0 undecidable manual Pg 4.98 0
IV.VENL.HNZ. 2019-10-22T15:51:19.65 3.0 negative manual Pg 7.78 0
IV.ARVD.HHZ. 2019-10-22T15:51:16.77 3.0 undecidable manual Sn -3.02 0
IV.TERO.HHZ. 2019-10-22T15:51:15.14 0.3 undecidable manual S 126 60.0954 50 0.26 65
IV.MURB.HHZ. 2019-10-22T15:51:13.58 0.6 undecidable manual S 312 52.9026 50 0.63 40
IV.RM33.EHZ. 2019-10-22T15:51:12.47 0.3 undecidable manual S 161 51.0156 50 0.01 70
IV.EL6.EHZ. 2019-10-22T15:51:10.55 0.3 undecidable manual S 10 43.4232 50 0.12 69
IV.ATCC.EHZ. 2019-10-22T15:51:09.33 0.6 undecidable manual S 312 40.1265 50 -0.23 45
IV.MCI.EHZ. 2019-10-22T15:51:09.88 3.0 negative manual Pn -6.51 0
IV.MOMA.HHZ. 2019-10-22T15:51:09.55 0.3 undecidable manual S 247 38.9277 50 0.32 67
IV.SNTG.HHZ. 2019-10-22T15:51:08.15 0.6 undecidable manual S 351 34.9428 50 -0.02 48
IV.MF5.EHZ. 2019-10-22T15:51:08.85 0.6 undecidable manual S 82 36.8298 50 0.17 46
IV.TERO.HHZ. 2019-10-22T15:51:07.20 0.1 undecidable manual P 126 60.0954 50 0.16 89
IV.GUMA.HHZ. 2019-10-22T15:51:07.21 0.3 undecidable manual S 63 29.5482 50 0.49 65
IV.ASSB.HHZ. 2019-10-22T15:51:06.66 0.1 undecidable manual S 291 30.4473 50 -0.31 90
IV.RM33.EHZ. 2019-10-22T15:51:05.52 0.1 undecidable manual P 161 51.0156 50 -0.13 91
IV.PF6.EHZ. 2019-10-22T15:51:05.20 0.6 undecidable manual S 35 26.2515 50 -0.64 41
IV.MMO1.EHZ. 2019-10-22T15:51:05.58 0.1 undecidable manual S 101 26.2515 50 -0.27 92
IV.MURB.HHZ. 2019-10-22T15:51:05.93 0.3 undecidable manual P 312 52.9026 50 0 69
IV.SBPO.HNZ. 2019-10-22T15:51:04.48 3.0 negative manual Pn -6.43 0
IV.ATCC.EHZ. 2019-10-22T15:51:04.00 0.3 undecidable manual P 312 40.1265 50 0.03 71
IV.CSP1.EHZ. 2019-10-22T15:51:04.81 0.3 undecidable manual S 44 22.8549 50 -0.12 72
IV.EL6.EHZ. 2019-10-22T15:51:04.40 0.1 undecidable manual P 10 43.4232 50 -0.08 93
IV.MOMA.HHZ. 2019-10-22T15:51:03.68 0.1 undecidable manual P 247 38.9277 50 -0.1 93
IV.MML1.HNZ. 2019-10-22T15:51:03.97 0.6 undecidable manual S 351 19.0698 50 0.04 49
IV.MF5.EHZ. 2019-10-22T15:51:03.76 0.1 undecidable manual P 82 36.8298 50 0.29 90
IV.SNTG.HHZ. 2019-10-22T15:51:03.52 0.3 undecidable manual P 351 34.9428 50 0.35 67
IV.NRCA.HNZ. 2019-10-22T15:51:02.49 0.3 undecidable manual S 145 14.874 126 -0.27 70
IV.MC2.EHZ. 2019-10-22T15:51:02.70 0.3 undecidable manual S 104 15.0738 126 -0.09 73
IV.ASSB.HHZ. 2019-10-22T15:51:02.28 0.1 undecidable manual P 291 30.4473 50 -0.2 93
IV.GUMA.HHZ. 2019-10-22T15:51:02.49 0.1 undecidable manual P 63 29.5482 50 0.15 94
IV.CSP1.EHZ. 2019-10-22T15:51:01.19 0.1 positive manual P 44 22.8549 50 -0.11 96
IV.PF6.EHZ. 2019-10-22T15:51:01.59 0.1 undecidable manual P 35 26.2515 50 -0.24 93
IV.MMO1.EHZ. 2019-10-22T15:51:01.65 0.1 undecidable manual P 101 26.2515 50 -0.18 94
IV.CESI.HHZ. 2019-10-22T15:51:01.77 0.3 undecidable manual S 309 10.878 135 0.08 74
IV.FDMO.HHZ. 2019-10-22T15:51:01.82 0.3 undecidable manual S 32 12.0768 132 -0.17 72
IV.FEMA.HNZ. 2019-10-22T15:51:00.60 0.1 undecidable manual S 58 3.8961 161 0.24 96
IV.MML1.HNZ. 2019-10-22T15:51:00.72 0.1 undecidable manual P 351 19.0698 50 0 98
IT.MTCL.HGZ. 2019-10-22T15:51:00.40 0.1 undecidable manual S 352 5.5944 153 -0.21 97
IV.MC2.EHZ. 2019-10-22T15:51:00.12 0.1 undecidable manual P 104 15.0738 126 0.06 98
IV.CESI.HHZ. 2019-10-22T15:50:59.57 0.1 undecidable manual P 309 10.878 135 0.14 97
IV.FDMO.HHZ. 2019-10-22T15:50:59.62 0.1 undecidable manual P 32 12.0768 132 0.01 99
IV.NRCA.HNZ. 2019-10-22T15:50:59.95 0.1 undecidable manual P 145 14.874 126 -0.1 97
IV.RAVA.EHZ. 2019-10-22T15:50:58.31 3.0 positive manual Pn -9.31 0
IV.FEMA.HNZ. 2019-10-22T15:50:58.88 0.1 undecidable manual P 58 3.8961 161 0.21 97
IT.MTCL.HGZ. 2019-10-22T15:50:58.84 0.1 undecidable manual P 352 5.5944 153 0.04 100
IT.FIE.HGZ. 2019-10-22T15:50:56.61 3.0 undecidable manual P -5.11 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHN. ML:2.0 0.00118 0.18 AML other m 2019-10-22T15:51:02.00
IV.CESI.HHE. ML:1.7 0.0006134999999999999 0.2 AML other m 2019-10-22T15:51:02.11
IV.MOMA.HHN. ML:1.6 0.00014250000000000002 0.22 AML other m 2019-10-22T15:51:10.65
IV.CESI.HNN. ML:2.0 0.0010984445999999998 0.1792 AML other m 2019-10-22T15:51:02.01
IV.CESI.HNE. ML:1.6 0.00048634220000000003 0.256 AML other m 2019-10-22T15:51:02.02
IV.FDMO.HHE. ML:1.6 0.00040628985 0.1792 AML other m 2019-10-22T15:51:01.98
IV.FDMO.HHN. ML:1.7 0.0005348175500000001 0.2304 AML other m 2019-10-22T15:51:02.04
IV.NRCA.HHN. ML:2.2 0.0013832595 0.1024 AML other m 2019-10-22T15:51:02.55
IV.NRCA.HNN. ML:2.1 0.001269434 0.1024 AML other m 2019-10-22T15:51:02.55
IV.NRCA.HNE. ML:1.8 0.00068120785 0.1152 AML other m 2019-10-22T15:51:04.31
IV.NRCA.HHE. ML:1.8 0.0006823795500000001 0.128 AML other m 2019-10-22T15:51:04.30
IV.CSP1.EHE. ML:1.6 0.00023879790000000002 0.2304 AML other m 2019-10-22T15:51:05.66
IV.CSP1.EHN. ML:1.6 0.00027536285 0.2816 AML other m 2019-10-22T15:51:05.38
IV.ASSB.HHN. ML:1.8 0.0002690953 0.1792 AML other m 2019-10-22T15:51:07.08
IV.ASSB.HHE. ML:1.6 0.00018796535 0.2688 AML other m 2019-10-22T15:51:07.00
IV.SNTG.HHN. ML:0.9 0.00003114629 0.1792 AML other m 2019-10-22T15:51:08.79
IV.SNTG.HHE. ML:0.8 0.000026325269999999998 0.1024 AML other m 2019-10-22T15:51:09.03
IV.MOMA.HHE. ML:1.6 0.0001347675 0.2176 AML other m 2019-10-22T15:51:10.48
IV.MOMA.HNE. ML:1.6 0.0001330344 0.1792 AML other m 2019-10-22T15:51:10.77
IV.MF5.EHE. ML:1.6 0.00017081365499999998 0.2048 AML other m 2019-10-22T15:51:10.09
IV.MF5.EHN. ML:1.5 0.00011506793 0.32 AML other m 2019-10-22T15:51:10.53
IV.ATCC.EHN. ML:1.3 0.00006312309499999998 0.1664 AML other m 2019-10-22T15:51:10.89
IV.ATCC.EHE. ML:1.3 0.00006962417 0.32 AML other m 2019-10-22T15:51:12.22
IV.EL6.EHN. ML:1.7 0.00014068930000000002 0.2944 AML other m 2019-10-22T15:51:11.53
IV.EL6.EHE. ML:1.5 0.000093405125 0.384 AML other m 2019-10-22T15:51:11.17
IV.RM33.EHE. ML:1.0 0.00002502891 0.1152 AML other m 2019-10-22T15:51:14.31
IV.RM33.EHN. ML:1.0 0.000026187870000000002 0.1664 AML other m 2019-10-22T15:51:16.19
IV.MURB.HHN. ML:1.6 0.00009176672999999999 0.2944 AML other m 2019-10-22T15:51:15.98
IV.MURB.HHE. ML:1.7 0.00011869925 0.256 AML other m 2019-10-22T15:51:16.13
IV.TERO.HHN. ML:1.2 0.000031817924499999996 0.1024 AML other m 2019-10-22T15:51:16.36
IV.TERO.HHE. ML:1.2 0.000034570169999999994 0.1024 AML other m 2019-10-22T15:51:16.75
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