Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 16-10-2019 and time 23:24:37 (Italy) in region 8 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.4 earthquake occured in region: 8 km SE Castelsantangelo sul Nera (MC), on

  • 16-10-2019 21:24:37 (UTC)
  • 16-10-2019 23:24:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8410, 13.2240 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.

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
Castelsantangelo sul Nera MC 8 281 281
Montegallo AP 9 523 804
Arquata del Tronto AP 10 1178 1982
Montemonaco AP 11 604 2586
Norcia PG 12 4957 7543
Ussita MC 14 444 7987
Visso MC 15 1107 9094
Montefortino FM 15 1178 10272
Preci PG 16 724 10996
Accumoli RI 16 667 11663
Acquasanta Terme AP 17 2916 14579
Bolognola MC 17 142 14721
Amandola FM 19 3629 18350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Teramo (54892 inhabitants)
44 Km E of Foligno (57155 inhabitants)
56 Km N of L'Aquila (69753 inhabitants)
56 Km NE of Terni (111501 inhabitants)
74 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
90 Km S of Ancona (100861 inhabitants)
91 Km W of Pescara (121014 inhabitants)
95 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
Reviewed
Rev100 		ML 1.4 2019-10-16
21:24:37		 42.8407 13.2242 8 2019-10-16
21:34:37		 Sala Sismica INGV-Roma 73293151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-16 21:24:37 ± 0.1
Latitude 42.8407 ± 0.0036
Longitude 13.2242 ± 0.0049
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73293151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 390
Semi-minor axis of confidence ellipse (meter) 153
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 21
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33185
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations 9
Type of magnitude ML
Reference to an origin 73293151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-16 21:34:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.HNE. 2019-10-16T21:24:51.02 1.0 undecidable manual S 181 36.8298 50 0.15 23
IV.CSP1.EHZ. 2019-10-16T21:24:48.03 0.6 undecidable manual S 357 27.8499 106 0.12 48
IV.LNSS.HHZ. 2019-10-16T21:24:48.23 0.6 undecidable manual S 210 30.3474 104 -0.5 44
IV.SMA1.EHE. 2019-10-16T21:24:47.14 0.6 undecidable manual S 159 25.0527 107 0.19 47
IT.MTCL.HGZ. 2019-10-16T21:24:47.30 0.3 undecidable manual S 313 24.9528 107 0.37 68
IV.ASSB.HHZ. 2019-10-16T21:24:47.27 3.0 negative manual P -0.31 0
IV.MF5.EHZ. 2019-10-16T21:24:47.05 0.3 undecidable manual S 49 25.1526 107 0.06 73
IV.OFFI.HHZ. 2019-10-16T21:24:46.41 3.0 negative manual P 0.55 0
IV.TERO.HHZ. 2019-10-16T21:24:45.69 3.0 positive manual P -0.25 0
IV.RM33.HNE. 2019-10-16T21:24:45.03 0.6 undecidable manual P 181 36.8298 50 -0.34 45
IV.LNSS.HHZ. 2019-10-16T21:24:44.22 0.3 undecidable manual P 210 30.3474 104 0.08 72
IV.MTRA.EHZ. 2019-10-16T21:24:44.59 0.6 undecidable manual S 124 16.872 115 0.3 47
IV.MF5.EHZ. 2019-10-16T21:24:43.48 0.3 negative manual P 49 25.1526 107 0.34 68
IT.MTCL.HGZ. 2019-10-16T21:24:43.55 0.3 undecidable manual P 313 24.9528 107 0.45 67
IV.CSP1.EHZ. 2019-10-16T21:24:43.41 0.3 undecidable manual P 357 27.8499 106 -0.25 69
IV.NRCA.HHZ. 2019-10-16T21:24:42.04 0.3 undecidable manual S 265 8.9799 131 0.06 75
IV.FDMO.HHZ. 2019-10-16T21:24:42.61 0.1 undecidable manual P 333 24.3534 108 -0.38 91
IV.MMO1.EHZ. 2019-10-16T21:24:42.13 0.3 undecidable manual S 52 10.5783 126 -0.28 71
IV.SMA1.EHE. 2019-10-16T21:24:42.92 0.6 undecidable manual P 159 25.0527 107 -0.19 47
IV.MC2.EHZ. 2019-10-16T21:24:41.68 0.3 undecidable manual S 340 8.3805 133 -0.14 74
IV.MTRA.EHZ. 2019-10-16T21:24:41.72 0.1 undecidable manual P 124 16.872 115 0.14 97
IV.MC2.EHZ. 2019-10-16T21:24:40.08 0.1 undecidable manual P 340 8.3805 133 -0.06 100
IV.NRCA.HHZ. 2019-10-16T21:24:40.27 0.1 positive manual P 265 8.9799 131 0.04 100
IV.MMO1.EHZ. 2019-10-16T21:24:40.32 0.3 positive manual P 52 10.5783 126 -0.17 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.9 0.001355 0.18 AML other m 2019-10-16T21:24:42.26
IV.NRCA.HNE. ML:1.9 0.0012900000000000001 0.18 AML other m 2019-10-16T21:24:42.26
IV.NRCA.HHN. ML:1.8 0.00113 0.54 AML other m 2019-10-16T21:24:42.88
IV.NRCA.HNN. ML:1.8 0.000989 0.12 AML other m 2019-10-16T21:24:42.93
IV.MTRA.EHN. ML:1.2 0.0001505 1.24 AML other m 2019-10-16T21:24:45.37
IV.MTRA.EHE. ML:1.2 0.00014749999999999998 0.42 AML other m 2019-10-16T21:24:46.30
IV.MTRA.HNE. ML:1.2 0.00015005478999999998 1.4208 AML other m 2019-10-16T21:24:45.80
IV.TERO.HHE. ML:0.9 0.000027949025 4.928 AML other m 2019-10-16T21:24:51.67
IV.TERO.HHN. ML:0.9 0.000032157385 1.2672 AML other m 2019-10-16T21:24:51.53
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