Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 11-10-2019 and time 14:56:56 (Italy) in region 4 km W Castelsantangelo sul Nera (MC)

A magnitude ML 0.9 earthquake occured in region: 4 km W Castelsantangelo sul Nera (MC), on

  • 11-10-2019 12:56:56 (UTC)
  • 11-10-2019 14:56:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8810, 13.1130 at 8 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 8 444 2556
Norcia PG 10 4957 7513
Sellano PG 15 1079 8592
Monte Cavallo MC 16 145 8737
Bolognola MC 16 142 8879
Cerreto di Spoleto PG 17 1075 9954
Acquacanina MC 17 121 10075
Montemonaco AP 18 604 10679
Fiordimonte MC 18 202 10881
Fiastra MC 18 559 11440
Montegallo AP 19 523 11963
Pieve Torina MC 19 1458 13421
Arquata del Tronto AP 19 1178 14599
Cascia PG 20 3217 17816
Montefortino FM 20 1178 18994

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)
63 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
Reviewed
Rev100 		ML 0.9 2019-10-11
12:56:56		 42.8807 13.1133 8 2019-10-11
13:15:29		 Sala Sismica INGV-Roma 73196591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-11 12:56:56 ± 0.08
Latitude 42.8807 ± 0.0036
Longitude 13.1133 ± 0.0037
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73196591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 326
Semi-minor axis of confidence ellipse (meter) 312
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 130
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.44876
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 73196591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-11 13:15:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MESG.HHZ. 2019-10-11T12:58:56.37 3.0 undecidable manual Sn 1.88 0
IV.CAR1.HHZ. 2019-10-11T12:58:52.84 3.0 undecidable manual Sn -3.77 0
IV.VENL.HNZ. 2019-10-11T12:58:18.69 3.0 undecidable manual Sg 3.69 0
IV.IST3.HHZ. 2019-10-11T12:58:15.81 3.0 positive manual Pg 10.35 0
CR.STON.BHZ. 2019-10-11T12:58:00.50 3.0 positive manual Pg 8.67 0
IV.PTRJ.HHZ. 2019-10-11T12:57:55.18 3.0 undecidable manual Sn -1.11 0
IV.ZONE.HHZ. 2019-10-11T12:57:53.83 3.0 undecidable manual Pn -1.1 0
IV.LRP.EHZ. 2019-10-11T12:57:37.80 3.0 undecidable manual S -4.62 0
IV.CERT.HHZ. 2019-10-11T12:57:28.46 3.0 undecidable manual S -3.69 0
IV.LAV9.HNZ. 2019-10-11T12:57:21.19 3.0 negative manual P -1.09 0
IV.EL6.EHZ. 2019-10-11T12:57:12.97 0.6 undecidable manual S 359 49.8168 50 0.3 44
IV.CSP1.EHZ. 2019-10-11T12:57:05.25 0.6 undecidable manual S 18 24.5532 109 -0.07 48
IV.EL6.EHZ. 2019-10-11T12:57:05.49 0.1 undecidable manual P 359 49.8168 50 -0.27 88
IV.CESI.HHZ. 2019-10-11T12:57:04.51 0.6 undecidable manual S 309 21.867 111 0.08 48
IV.MF5.EHZ. 2019-10-11T12:57:03.20 3.0 negative manual P -1.03 0
IV.MMO1.EHZ. 2019-10-11T12:57:03.11 0.6 undecidable manual S 83 17.4714 116 0.08 49
IV.FDMO.HHZ. 2019-10-11T12:57:02.92 0.6 undecidable manual S 353 17.3715 116 -0.1 48
IV.CESI.HHZ. 2019-10-11T12:57:01.14 0.1 undecidable manual P 309 21.867 111 0.14 95
IV.CSP1.EHZ. 2019-10-11T12:57:01.34 0.3 undecidable manual P 18 24.5532 109 -0.18 70
IV.FDMO.HHZ. 2019-10-11T12:57:00.18 0.1 undecidable manual P 353 17.3715 116 -0.01 98
IV.MMO1.EHZ. 2019-10-11T12:57:00.24 0.1 undecidable manual P 83 17.4714 116 0.04 98
IV.MC2.EHZ. 2019-10-11T12:57:00.24 0.6 undecidable manual S 61 6.993 140 0.14 49
IV.FEMA.HNZ. 2019-10-11T12:57:00.78 0.6 undecidable manual S 330 10.3785 129 -0.16 48
IV.FEMA.HNZ. 2019-10-11T12:56:59.12 0.1 undecidable manual P 330 10.3785 129 0.13 97
IV.NRCA.HHZ. 2019-10-11T12:56:59.50 0.6 undecidable manual S 179 5.1948 148 -0.23 48
IV.NRCA.HHZ. 2019-10-11T12:56:58.32 0.1 positive manual P 179 5.1948 148 0.03 100
IV.MC2.EHZ. 2019-10-11T12:56:58.59 0.6 positive manual P 61 6.993 140 0.09 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.0 0.00109742 0.1216 AML other m 2019-10-11T12:57:00.03
IV.NRCA.HHN. ML:0.0 0.0010369598 0.0832 AML other m 2019-10-11T12:56:59.60
IV.NRCA.HNE. ML:0.0 0.0010280420999999999 0.1088 AML other m 2019-10-11T12:57:00.04
IV.NRCA.HNN. ML:0.0 0.00093284975 0.1472 AML other m 2019-10-11T12:56:59.81
IV.FDMO.HHE. ML:1.0 0.00009616489999999999 0.2176 AML other m 2019-10-11T12:57:03.98
IV.FDMO.HHN. ML:1.1 0.00011175935000000001 0.16 AML other m 2019-10-11T12:57:03.65
IV.CESI.HHE. ML:0.8 0.000038029470000000004 0.2432 AML other m 2019-10-11T12:57:05.15
IV.CESI.HHN. ML:0.7 0.00003376066 0.1792 AML other m 2019-10-11T12:57:05.22
IV.CSP1.EHE. ML:0.8 0.00003499871 0.16 AML other m 2019-10-11T12:57:06.11
IV.CSP1.EHN. ML:0.6 0.000025235875000000002 0.1408 AML other m 2019-10-11T12:57:06.68
IV.EL6.EHE. ML:1.0 0.0000270223225 0.1408 AML other m 2019-10-11T12:57:13.87
IV.EL6.EHN. ML:1.3 0.00004772828 0.256 AML other m 2019-10-11T12:57:14.06
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