Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 30-09-2019 and time 20:48:50 (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

  • 30-09-2019 18:48:50 (UTC)
  • 30-09-2019 20:48:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8390, 13.1560 at 10 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 6 281 281
Norcia PG 7 4957 5238
Preci PG 11 724 5962
Visso MC 12 1107 7069
Ussita MC 12 444 7513
Arquata del Tronto AP 14 1178 8691
Montegallo AP 15 523 9214
Montemonaco AP 16 604 9818
Cascia PG 18 3217 13035
Accumoli RI 18 667 13702
Bolognola MC 18 142 13844
Montefortino FM 19 1178 15022
Sellano PG 19 1079 16101
Cerreto di Spoleto PG 20 1075 17176

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
49 Km W of Teramo (54892 inhabitants)
52 Km NE of Terni (111501 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
92 Km SW of Ancona (100861 inhabitants)
96 Km W of Pescara (121014 inhabitants)
98 Km E of Viterbo (67173 inhabitants)
99 Km NW of Chieti (51815 inhabitants)
100 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
Reviewed
Rev100 		ML 1.1 2019-09-30
18:48:50		 42.8387 13.1557 10 2019-09-30
18:56:11		 Sala Sismica INGV-Roma 72930411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-30 18:48:50 ± 0.05
Latitude 42.8387 ± 0.0027
Longitude 13.1557 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 72930411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 422
Semi-minor axis of confidence ellipse (meter) 197
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 63
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
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 15
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 11
Type of magnitude ML
Reference to an origin 72930411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-30 18:56:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SENI.HNZ. 2019-09-30T18:49:09.10 3.0 positive manual P 0.2 0
IV.RM33.EHZ. 2019-09-30T18:49:03.48 0.1 undecidable manual S 172 36.8298 50 0.07 94
IV.MF5.EHZ. 2019-09-30T18:49:02.04 0.1 undecidable manual S 56 29.748 50 0.54 86
IV.LNSS.HHZ. 2019-09-30T18:49:01.04 0.1 undecidable manual S 200 27.75 50 0.06 96
IV.SMA1.EHZ. 2019-09-30T18:49:00.42 0.3 undecidable manual S 148 27.3504 50 -0.43 66
IV.CSP1.EHZ. 2019-09-30T18:49:00.87 0.1 undecidable manual S 8 28.3494 50 -0.26 91
IV.T1299.HNZ. 2019-09-30T18:49:00.37 0.1 undecidable manual S 155 24.9528 50 0.16 94
IV.CESI.HNZ. 2019-09-30T18:49:00.79 0.1 undecidable manual S 312 27.4503 50 -0.11 94
IV.FDMO.HHZ. 2019-09-30T18:48:59.16 0.3 undecidable manual S 346 22.6551 114 -0.35 68
IV.MTRA.EHZ. 2019-09-30T18:48:58.78 0.1 undecidable manual S 115 21.6672 115 -0.41 90
IT.MTCL.HGZ. 2019-09-30T18:48:58.81 0.1 undecidable manual S 324 21.3675 115 -0.31 92
IV.MF5.EHZ. 2019-09-30T18:48:57.33 0.1 undecidable manual P 56 29.748 50 0.31 91
IV.CESI.HNZ. 2019-09-30T18:48:57.13 0.1 undecidable manual P 312 27.4503 50 0.46 88
IV.RM33.EHZ. 2019-09-30T18:48:57.95 0.1 undecidable manual P 172 36.8298 50 -0.17 92
IV.FEMA.HNZ. 2019-09-30T18:48:57.56 0.1 undecidable manual S 328 16.1727 122 0.04 98
IV.MMO1.EHZ. 2019-09-30T18:48:57.07 0.1 undecidable manual S 64 15.4734 123 -0.25 94
IV.T1299.HNZ. 2019-09-30T18:48:56.32 0.1 undecidable manual P 155 24.9528 50 0.05 97
IV.LNSS.HHZ. 2019-09-30T18:48:56.69 0.1 undecidable manual P 200 27.75 50 -0.03 96
IV.SMA1.EHZ. 2019-09-30T18:48:56.54 0.1 undecidable manual P 148 27.3504 50 -0.11 95
IV.CSP1.EHZ. 2019-09-30T18:48:56.63 0.1 undecidable manual P 8 28.3494 50 -0.17 93
IT.MTCL.HGZ. 2019-09-30T18:48:55.57 0.1 undecidable manual P 324 21.3675 115 -0.07 97
IV.FDMO.HHZ. 2019-09-30T18:48:55.71 0.1 undecidable manual P 346 22.6551 114 -0.16 95
IV.MC2.EHZ. 2019-09-30T18:48:55.83 0.1 undecidable manual S 19 8.4804 140 0.33 93
IV.MTRA.EHZ. 2019-09-30T18:48:55.76 0.1 undecidable manual P 115 21.6672 115 0.07 96
IV.NRCA.HHZ. 2019-09-30T18:48:54.64 0.1 undecidable manual S 261 3.3966 161 0.02 100
IV.FEMA.HNZ. 2019-09-30T18:48:54.75 0.3 undecidable manual P 328 16.1727 122 0.03 74
IV.MMO1.EHZ. 2019-09-30T18:48:54.58 0.1 undecidable manual P 64 15.4734 123 -0.03 99
IV.NRCA.HHZ. 2019-09-30T18:48:53.32 0.1 undecidable manual P 261 3.3966 161 0.27 95
IV.MC2.EHZ. 2019-09-30T18:48:53.90 0.1 undecidable manual P 19 8.4804 140 0.34 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.5 0.000021850000000000003 1.12 AML other m 2019-09-30T18:48:59.42
IV.MTRA.EHN. ML:1.1 0.00008965000000000001 0.76 AML other m 2019-09-30T18:48:59.16
IV.MTRA.EHE. ML:1.1 0.00009645000000000001 0.14 AML other m 2019-09-30T18:49:00.41
IV.FDMO.HHE. ML:0.7 0.000027899999999999997 0.84 AML other m 2019-09-30T18:49:00.77
IV.NRCA.HHE. ML:1.5 0.0006301377 0.128 AML other m 2019-09-30T18:48:54.78
IV.NRCA.HHN. ML:1.5 0.00054507305 0.0896 AML other m 2019-09-30T18:48:55.23
IV.NRCA.HNE. ML:1.5 0.0006039112499999999 0.128 AML other m 2019-09-30T18:48:54.78
IV.NRCA.HNN. ML:1.4 0.00046001365 0.0768 AML other m 2019-09-30T18:48:55.28
IV.SMA1.EHN. ML:0.7 0.000026070505 4.7488 AML other m 2019-09-30T18:49:03.47
IV.CSP1.EHN. ML:0.8 0.000030696024999999994 0.2048 AML other m 2019-09-30T18:49:01.02
IV.MF5.EHE. ML:0.9 0.000037137392 2.24 AML other m 2019-09-30T18:49:01.73
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