Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 15-10-2019 and time 02:15:13 (Italy) in region 6 km S Castelsantangelo sul Nera (MC)

A magnitude ML 1.1 earthquake occured in region: 6 km S Castelsantangelo sul Nera (MC), on

  • 15-10-2019 00:15:13 (UTC)
  • 15-10-2019 02:15:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8420, 13.1360 at 12 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 6 281 281
Norcia PG 6 4957 5238
Preci PG 9 724 5962
Visso MC 11 1107 7069
Ussita MC 12 444 7513
Arquata del Tronto AP 15 1178 8691
Montegallo AP 16 523 9214
Montemonaco AP 17 604 9818
Cascia PG 17 3217 13035
Sellano PG 18 1079 14114
Cerreto di Spoleto PG 18 1075 15189
Bolognola MC 19 142 15331
Accumoli RI 19 667 15998

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
51 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
59 Km NW of L'Aquila (69753 inhabitants)
68 Km E of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
92 Km SW of Ancona (100861 inhabitants)
97 Km E of Viterbo (67173 inhabitants)
98 Km W of Pescara (121014 inhabitants)
99 Km NE of Guidonia Montecelio (88673 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 1.1 2019-10-15
00:15:13		 42.842 13.1358 12 2020-02-28
16:41:56		 Bollettino Sismico Italiano INGV 73319411
Reviewed
Rev100 		ML 0.8 2019-10-15
00:15:13		 42.8523 13.1353 11 2019-10-15
00:31:37		 Sala Sismica INGV-Roma 73261031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-15 00:15:13 ± 0.03
Latitude 42.8420 ± 0.0018
Longitude 13.1358 ± 0.0037
Depth (km) 12 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73319411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 273
Semi-minor axis of confidence ellipse (meter) 147
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45775
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 73319411
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-18 08:14:54

ML:0.8

Field Value
Value 0.8
Uncertainty 0.5
Num. used stations 5
Type of magnitude ML
Reference to an origin 73261031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-15 00:31:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TOLF.HHZ. 2019-10-15T00:15:32.87 3.0 undecidable manual P 0.01 0
IV.ASSB.HHN. 2019-10-15T00:15:27.90 0.6 undecidable manual S 300 44.7219 91 0.14 45
IV.LNSS.HHZ. 2019-10-15T00:15:23.20 0.6 undecidable manual S 196 27.6501 92 -0.01 48
IV.SMA1.EHZ. 2019-10-15T00:15:23.41 0.6 undecidable manual S 145 28.5492 92 -0.04 48
IV.CSP1.EHZ. 2019-10-15T00:15:23.38 0.1 undecidable manual S 11 28.2495 92 0 97
IV.T1299.EHZ. 2019-10-15T00:15:22.91 0.6 undecidable manual S 153 25.9518 92 0.16 48
IV.MOMA.HNZ. 2019-10-15T00:15:22.15 0.6 undecidable manual P 265 46.2204 91 0.23 45
IV.CESI.HNZ. 2019-10-15T00:15:22.66 0.3 undecidable manual S 314 26.0517 92 -0.13 72
IT.TRN1.HGN. 2019-10-15T00:15:22.43 0.6 undecidable manual P 232 50.8158 91 -0.2 45
IV.ASSB.HHN. 2019-10-15T00:15:21.67 0.1 undecidable manual P 300 44.7219 91 -0.01 94
IT.MTCL.HGZ. 2019-10-15T00:15:21.07 0.1 undecidable manual S 327 20.1687 94 -0.15 96
IV.FDMO.HHZ. 2019-10-15T00:15:21.66 0.3 undecidable manual S 350 21.9669 93 -0.03 74
IV.RM33.HNE. 2019-10-15T00:15:20.53 0.1 undecidable manual P 170 37.5291 91 -0.04 95
IV.MMO1.EHZ. 2019-10-15T00:15:20.02 0.3 undecidable manual S 68 16.7721 97 -0.29 69
IV.SMA1.EHZ. 2019-10-15T00:15:19.13 0.1 undecidable manual P 145 28.5492 92 -0.06 95
IV.CSP1.EHZ. 2019-10-15T00:15:19.11 0.3 undecidable manual P 11 28.2495 92 -0.04 72
IV.T1299.EHZ. 2019-10-15T00:15:19.00 0.1 undecidable manual P 153 25.9518 92 0.21 94
IV.FEMA.HNZ. 2019-10-15T00:15:19.97 0.3 undecidable manual S 332 15.0738 101 0.11 73
IV.LNSS.HHZ. 2019-10-15T00:15:19.02 0.1 undecidable manual P 196 27.6501 92 -0.03 97
IV.CESI.HNZ. 2019-10-15T00:15:18.72 0.1 undecidable manual P 314 26.0517 92 -0.09 96
IV.MC2.EHZ. 2019-10-15T00:15:18.52 0.3 undecidable manual S 29 8.7801 129 0.16 74
IV.FDMO.HHZ. 2019-10-15T00:15:18.14 0.1 undecidable manual P 350 21.9669 93 -0.03 98
IV.MMO1.EHZ. 2019-10-15T00:15:17.41 0.1 undecidable manual P 68 16.7721 97 0.03 99
IV.NRCA.HHZ. 2019-10-15T00:15:17.12 0.1 undecidable manual S 242 1.998 167 -0.27 94
IT.MTCL.HGZ. 2019-10-15T00:15:17.95 0.1 undecidable manual P 327 20.1687 94 0.05 97
IV.FEMA.HNZ. 2019-10-15T00:15:17.26 0.3 undecidable manual P 332 15.0738 101 0.14 72
IV.MC2.EHZ. 2019-10-15T00:15:16.52 0.1 undecidable manual P 29 8.7801 129 0.27 96
IV.NRCA.HHZ. 2019-10-15T00:15:15.83 0.1 undecidable manual P 242 1.998 167 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.000158 0.12 AML other m 2019-10-15T00:15:17.25
IV.NRCA.HHE. ML:1.1 0.000193 0.16 AML other m 2019-10-15T00:15:17.24
IV.NRCA.HNE. ML:1.1 0.0002101995 0.15 AML other m 2019-10-15T00:15:17.25
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