Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 17-10-2019 and time 01:28:18 (Italy) in region 7 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.4 earthquake occured in region: 7 km SE Castelsantangelo sul Nera (MC), on

  • 16-10-2019 23:28:18 (UTC)
  • 17-10-2019 01:28:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8430, 13.2090 at 9 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 7 281 281
Montegallo AP 10 523 804
Arquata del Tronto AP 11 1178 1982
Norcia PG 11 4957 6939
Montemonaco AP 12 604 7543
Ussita MC 13 444 7987
Visso MC 14 1107 9094
Preci PG 14 724 9818
Montefortino FM 16 1178 10996
Accumoli RI 17 667 11663
Bolognola MC 17 142 11805
Acquasanta Terme AP 18 2916 14721
Amandola FM 20 3629 18350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
45 Km W of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
57 Km N of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
90 Km S of Ancona (100861 inhabitants)
92 Km W of Pescara (121014 inhabitants)
96 Km NW of Chieti (51815 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 1.4 2019-10-16
23:28:18		 42.8433 13.209 9 2020-02-28
16:42:24		 Bollettino Sismico Italiano INGV 76432051
Reviewed
Rev100 		ML 1.4 2019-10-16
23:28:18		 42.8443 13.2067 9 2019-10-16
23:38:29		 Sala Sismica INGV-Roma 73294741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-16 23:28:18 ± 0.07
Latitude 42.8433 ± 0.0036
Longitude 13.2090 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76432051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 511
Semi-minor axis of confidence ellipse (meter) 124
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 42
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 17
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) 0.36423
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 5
Type of magnitude ML
Reference to an origin 73294741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-16 23:38:29

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 76432051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-11 12:43:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2019-10-16T23:28:31.96 0.6 undecidable manual S 127 40.4262 50 -0.11 47
IV.CESI.HHE. 2019-10-16T23:28:29.74 0.1 undecidable manual S 306 30.5472 106 0.36 90
IV.CSP1.EHZ. 2019-10-16T23:28:28.53 0.6 undecidable manual S 359 27.5502 108 0.14 47
IV.FDMO.HHZ. 2019-10-16T23:28:27.28 0.3 undecidable manual S 335 23.5542 111 0.19 71
IV.MTRA.EHZ. 2019-10-16T23:28:25.61 0.6 undecidable manual S 122 18.0708 116 0.28 47
IV.TERO.HHZ. 2019-10-16T23:28:25.88 0.6 undecidable manual P 127 40.4262 50 -0.39 44
IV.CESI.HHE. 2019-10-16T23:28:24.43 0.1 undecidable manual P 306 30.5472 106 -0.29 92
IV.CSP1.EHZ. 2019-10-16T23:28:24.18 0.3 undecidable manual P 359 27.5502 108 0.03 73
IV.T1299.EHZ. 2019-10-16T23:28:23.71 0.6 undecidable manual P 166 23.9538 110 0.25 47
IV.FDMO.HHZ. 2019-10-16T23:28:23.20 0.3 undecidable manual P 335 23.5542 111 -0.19 71
IV.MMO1.EHZ. 2019-10-16T23:28:23.14 0.3 undecidable manual S 57 11.3775 128 -0.23 72
IV.NRCA.HHZ. 2019-10-16T23:28:22.30 0.3 undecidable manual S 262 7.7811 139 -0.15 73
IV.MTRA.EHZ. 2019-10-16T23:28:22.69 0.3 undecidable manual P 122 18.0708 116 0.31 70
IV.MC2.EHZ. 2019-10-16T23:28:22.38 0.3 undecidable manual S 348 7.6812 139 -0.05 74
IV.MMO1.EHZ. 2019-10-16T23:28:21.22 0.1 undecidable manual P 57 11.3775 128 -0.03 100
IV.MC2.EHZ. 2019-10-16T23:28:20.77 0.1 undecidable manual P 348 7.6812 139 0.07 100
IV.NRCA.HHZ. 2019-10-16T23:28:20.66 0.1 undecidable manual P 262 7.7811 139 -0.06 99
IV.ARVD.HHZ. 2019-10-16T23:28:17.96 3.0 positive manual P -0.76 0
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