Earthquake with magnitude of ML 1.2 on date 17-11-2018 and time 18:19:47 (Italy) in region 7 km W Arquata del Tronto (AP)

A magnitude ML 1.2 earthquake occured in region: 7 km W Arquata del Tronto (AP), on

  • 17-11-2018 17:19:47 (UTC)
  • 17-11-2018 18:19:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7700, 13.2110 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Arquata del Tronto AP 7 1178 1178
Accumoli RI 9 667 1845
Norcia PG 10 4957 6802
Montegallo AP 13 523 7325
Castelsantangelo sul Nera MC 15 281 7606
Acquasanta Terme AP 16 2916 10522
Amatrice RI 17 2657 13179
Cascia PG 17 3217 16396
Montemonaco AP 17 604 17000
Cittareale RI 17 482 17482
Preci PG 19 724 18206

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
49 Km NW of L'Aquila (69753 inhabitants)
52 Km E of Terni (111501 inhabitants)
77 Km E of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
91 Km NW of Chieti (51815 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km NE of Tivoli (56533 inhabitants)
98 Km S of Ancona (100861 inhabitants)
99 Km E 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 1.2 2018-11-17
17:19:47
42.7702 13.2113 8 2018-11-17
17:26:40
Sala Sismica INGV-Roma 63155181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-17 17:19:47 ± 0.18
Latitude 42.7702 ± 0.0036
Longitude 13.2113 ± 0.0049
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 63155181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 449
Semi-minor axis of confidence ellipse (meter) 77
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 122
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28329
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 63155181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-17 17:26:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.HNZ. 2018-11-17T17:20:24.46 3.0 undecidable manual S 0.49 0
IV.ATVO.HHZ. 2018-11-17T17:20:14.18 3.0 undecidable manual S -0.37 0
IV.MF5.EHZ. 2018-11-17T17:19:59.01 0.3 undecidable manual S 40 31.4463 104 0.53 64
IV.FDMO.HHZ. 2018-11-17T17:19:58.08 0.1 undecidable manual S 341 31.2465 105 -0.32 91
IV.LNSS.HHZ. 2018-11-17T17:19:55.82 0.1 undecidable manual S 217 23.2545 109 0.08 96
IV.FDMO.HHZ. 2018-11-17T17:19:53.47 0.1 undecidable manual P 341 31.2465 105 -0.2 93
IV.MF5.EHZ. 2018-11-17T17:19:53.81 0.1 undecidable manual P 40 31.4463 104 0.09 95
IV.RM33.EHZ. 2018-11-17T17:19:53.03 3.0 positive manual P -0.26 0
IV.TERO.HHZ. 2018-11-17T17:19:53.84 3.0 undecidable manual P -0.33 0
IV.MC2.EHZ. 2018-11-17T17:19:53.68 0.1 undecidable manual S 353 15.7731 117 0.32 93
IV.MMO1.EHZ. 2018-11-17T17:19:53.51 0.1 undecidable manual S 33 17.1717 115 -0.27 94
IV.LNSS.HHZ. 2018-11-17T17:19:52.08 0.1 undecidable manual P 217 23.2545 109 -0.05 97
IV.MTRA.EHZ. 2018-11-17T17:19:52.96 0.1 undecidable manual S 96 15.1737 118 -0.21 95
IV.NRCA.HHZ. 2018-11-17T17:19:51.82 0.1 undecidable manual S 312 10.5783 128 -0.01 100
IV.SMA1.EHZ. 2018-11-17T17:19:51.22 3.0 positive manual P -0.55 0
IV.MC2.EHZ. 2018-11-17T17:19:50.88 0.1 undecidable manual P 353 15.7731 117 0.12 97
IV.MMO1.EHZ. 2018-11-17T17:19:50.86 0.1 undecidable manual P 33 17.1717 115 -0.14 96
IV.MTRA.EHZ. 2018-11-17T17:19:50.77 0.1 undecidable manual P 96 15.1737 118 0.12 97
IV.NRCA.HHZ. 2018-11-17T17:19:49.95 0.1 undecidable manual P 312 10.5783 128 0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.6 0.00055307885 0.1152 AML other m 2018-11-17T17:19:52.58
IV.NRCA.HHN. ML:1.6 0.0006116960499999999 0.1152 AML other m 2018-11-17T17:19:52.51
IV.NRCA.HHE. ML:1.6 0.0005051262 0.0896 AML other m 2018-11-17T17:19:52.31
IV.NRCA.HNE. ML:1.6 0.00047984525 0.0768 AML other m 2018-11-17T17:19:52.31
IV.MTRA.HNE. ML:1.2 0.000154482335 0.2944 AML other m 2018-11-17T17:19:54.68
IV.MTRA.EHE. ML:1.0 0.000090550195 0.1408 AML other m 2018-11-17T17:19:54.62
IV.LNSS.HHN. ML:1.2 0.000107761055 0.1664 AML other m 2018-11-17T17:19:56.46
IV.LNSS.HHE. ML:1.2 0.000095651665 0.2304 AML other m 2018-11-17T17:19:55.94
IV.RM33.EHN. ML:1.0 0.000056840095000000005 0.1536 AML other m 2018-11-17T17:19:57.75
IV.RM33.EHE. ML:0.9 0.0000391593835 0.1408 AML other m 2018-11-17T17:19:58.25
IV.TERO.HHN. ML:0.8 0.00002510564 0.1024 AML other m 2018-11-17T17:19:59.41
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download