Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 16-10-2019 and time 14:10:42 (Italy) in region 4 km W Castelsantangelo sul Nera (MC)

A magnitude ML 1.6 earthquake occured in region: 4 km W Castelsantangelo sul Nera (MC), on

  • 16-10-2019 12:10:42 (UTC)
  • 16-10-2019 14:10:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8820, 13.1120 at 8 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
Castelsantangelo sul Nera MC 4 281 281
Visso MC 6 1107 1388
Preci PG 6 724 2112
Ussita MC 7 444 2556
Norcia PG 10 4957 7513
Sellano PG 15 1079 8592
Monte Cavallo MC 15 145 8737
Bolognola MC 16 142 8879
Cerreto di Spoleto PG 17 1075 9954
Acquacanina MC 17 121 10075
Fiordimonte MC 17 202 10277
Fiastra MC 18 559 10836
Montemonaco AP 18 604 11440
Montegallo AP 19 523 11963
Pieve Torina MC 19 1458 13421
Arquata del Tronto AP 19 1178 14599
Cascia PG 20 3217 17816

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
54 Km W of Teramo (54892 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
64 Km E of Perugia (166134 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
97 Km NE of Viterbo (67173 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 2019-10-16
12:10:42		 42.8822 13.1118 8 2020-02-28
16:42:13		 Bollettino Sismico Italiano INGV 74576711
Reviewed
Rev100 		ML 1.6 2019-10-16
12:10:42		 42.8873 13.1073 8 2019-10-16
12:17:58		 Sala Sismica INGV-Roma 73286831
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-16 12:10:42 ± 0.06
Latitude 42.8822 ± 0.0027
Longitude 13.1118 ± 0.0049
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 74576711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 322
Semi-minor axis of confidence ellipse (meter) 266
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 83
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) 85
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.04856
Epicentral distance of station farthest from the epicenter (degree) 0.77611
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 74576711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-12-12 11:13:02

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 73286831
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-16 12:17:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2019-10-16T12:11:09.64 0.6 undecidable manual S 327 86.1471 50 0.92 33
IV.ATCC.EHZ. 2019-10-16T12:10:59.73 0.6 undecidable manual S 311 50.9157 50 0.43 43
IV.MOMA.HHZ. 2019-10-16T12:10:58.25 0.6 undecidable manual S 259 44.9217 50 0.55 42
IV.EL6.EHZ. 2019-10-16T12:10:58.93 0.6 undecidable manual S 359 49.617 50 -0.02 47
IV.SNTG.HHZ. 2019-10-16T12:10:57.15 0.6 undecidable manual S 342 43.623 50 -0.2 46
IV.PIEI.HHZ. 2019-10-16T12:10:57.91 0.3 undecidable manual P 327 86.1471 50 0.27 63
IV.LNSS.HHZ. 2019-10-16T12:10:53.98 0.6 undecidable manual S 191 31.5462 104 0.2 47
IV.GUMA.HHZ. 2019-10-16T12:10:52.71 0.3 undecidable manual S 42 27.0507 106 0.45 67
IV.ATCC.EHZ. 2019-10-16T12:10:52.12 0.3 undecidable manual P 311 50.9157 50 -0.08 70
IV.MML1.EHZ. 2019-10-16T12:10:52.62 0.6 undecidable manual S 336 28.0497 105 0.01 49
IV.EL6.EHZ. 2019-10-16T12:10:51.56 0.1 undecidable manual P 359 49.617 50 -0.44 86
IV.CSP1.EHZ. 2019-10-16T12:10:51.27 0.6 undecidable manual S 18 24.4533 108 -0.14 48
IV.MOMA.HHZ. 2019-10-16T12:10:51.32 0.3 undecidable manual P 259 44.9217 50 0.04 71
IV.RM33.EHZ. 2019-10-16T12:10:50.40 0.3 undecidable manual P 169 42.2244 50 -0.47 65
IV.CESI.HHZ. 2019-10-16T12:10:50.58 0.6 undecidable manual S 309 21.6672 110 0.09 49
IV.SNTG.HHZ. 2019-10-16T12:10:50.71 0.3 undecidable manual P 342 43.623 50 -0.37 66
IV.MMO1.EHZ. 2019-10-16T12:10:49.14 0.6 undecidable manual S 84 17.5713 114 -0.04 50
IV.MML1.EHZ. 2019-10-16T12:10:48.20 0.1 undecidable manual P 336 28.0497 105 -0.14 95
IV.GUMA.HHZ. 2019-10-16T12:10:48.26 0.1 undecidable manual P 42 27.0507 106 0.12 96
IT.MTCL.HGZ. 2019-10-16T12:10:48.28 0.3 undecidable manual S 324 15.3735 117 -0.21 72
IV.LNSS.HHZ. 2019-10-16T12:10:48.81 0.3 undecidable manual P 191 31.5462 104 -0.21 70
IV.FDMO.HHZ. 2019-10-16T12:10:48.96 0.3 undecidable manual S 353 17.2716 114 -0.1 74
IV.CSP1.EHZ. 2019-10-16T12:10:47.50 0.1 undecidable manual P 18 24.4533 108 -0.15 96
IV.CESI.HHZ. 2019-10-16T12:10:47.10 0.3 undecidable manual P 309 21.6672 110 -0.01 74
IV.MC2.EHZ. 2019-10-16T12:10:46.33 0.6 undecidable manual S 63 7.0929 138 0.18 49
IV.FDMO.HHZ. 2019-10-16T12:10:46.31 0.1 undecidable manual P 353 17.2716 114 0.01 100
IV.FEMA.HNZ. 2019-10-16T12:10:46.89 0.3 undecidable manual S 330 10.1787 127 -0.06 75
IV.MMO1.EHZ. 2019-10-16T12:10:46.42 0.1 undecidable manual P 84 17.5713 114 0.06 99
IT.MTCL.HGZ. 2019-10-16T12:10:45.93 0.3 undecidable manual P 324 15.3735 117 -0.03 75
IV.FEMA.HNZ. 2019-10-16T12:10:45.14 0.1 undecidable manual P 330 10.1787 127 0.06 100
IV.NRCA.HNZ. 2019-10-16T12:10:45.71 0.6 undecidable manual S 178 5.3946 145 -0.08 50
IV.NRCA.HNZ. 2019-10-16T12:10:44.54 0.1 positive manual P 178 5.3946 145 0.14 99
IV.MC2.EHZ. 2019-10-16T12:10:44.75 0.1 positive manual P 63 7.0929 138 0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FEMA.HNN. ML:1.9 0.001067 0.3 AML other m 2019-10-16T12:10:47.21
IV.FEMA.HNE. ML:1.9 0.001119 0.26 AML other m 2019-10-16T12:10:47.76
IV.FDMO.HHN. ML:1.7 0.00043000000000000004 0.8 AML other m 2019-10-16T12:10:49.31
IV.FDMO.HHE. ML:1.8 0.0006360000000000001 1.14 AML other m 2019-10-16T12:10:49.93
IV.CESI.HHN. ML:1.6 0.0002495 1.54 AML other m 2019-10-16T12:10:51.95
IV.CESI.HHE. ML:1.5 0.00022200000000000003 0.22 AML other m 2019-10-16T12:10:51.20
IV.CSP1.EHE. ML:1.5 0.0002095 0.94 AML other m 2019-10-16T12:10:52.72
IV.CSP1.EHN. ML:1.5 0.00020500000000000002 0.34 AML other m 2019-10-16T12:10:52.76
IV.GUMA.HHN. ML:1.8 0.00034599999999999995 1.18 AML other m 2019-10-16T12:10:53.05
IV.GUMA.HHE. ML:1.8 0.00033650000000000005 0.54 AML other m 2019-10-16T12:10:54.50
IV.LNSS.HHE. ML:1.5 0.00013800000000000002 1.04 AML other m 2019-10-16T12:10:55.77
IV.LNSS.HHN. ML:1.5 0.00013450000000000002 0.98 AML other m 2019-10-16T12:10:57.53
IV.RM33.EHN. ML:1.4 0.00008094999999999999 1.18 AML other m 2019-10-16T12:10:58.83
IV.MOMA.HHN. ML:1.3 0.000054749999999999996 0.18 AML other m 2019-10-16T12:10:58.61
IV.MOMA.HHE. ML:1.4 0.00008215 0.2 AML other m 2019-10-16T12:10:59.15
IV.EL6.EHN. ML:1.9 0.0002185 0.5 AML other m 2019-10-16T12:10:59.12
IV.RM33.EHE. ML:1.4 0.0000789 1.02 AML other m 2019-10-16T12:10:59.22
IV.EL6.EHE. ML:1.7 0.00013969999999999998 0.68 AML other m 2019-10-16T12:11:08.24
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