Earthquake with magnitude of ML 1.3 on date 17-11-2020 and time 06:20:18 (UTC) in region 7 km W Arquata del Tronto (AP)

A magnitude ML 1.3 earthquake occured in region: 7 km W Arquata del Tronto (AP), on

  • 17-11-2020 06:20:18 (UTC)
  • 17-11-2020 07:20:18 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7790, 13.2140 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.

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 10 667 1845
Norcia PG 10 4957 6802
Montegallo AP 12 523 7325
Castelsantangelo sul Nera MC 14 281 7606
Acquasanta Terme AP 16 2916 10522
Montemonaco AP 16 604 11126
Cascia PG 18 3217 14343
Amatrice RI 18 2657 17000
Preci PG 18 724 17724
Cittareale RI 18 482 18206
Ussita MC 19 444 18650
Visso MC 20 1107 19757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
50 Km NW of L'Aquila (69753 inhabitants)
52 Km E of Terni (111501 inhabitants)
76 Km E of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
92 Km NW of Chieti (51815 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km S of Ancona (100861 inhabitants)
97 Km NE of Tivoli (56533 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
Bulletin
Rev1000
ML 1.3 2020-11-17
06:20:18
42.7792 13.2135 12 2021-02-26
14:56:16
Bollettino Sismico Italiano INGV 86470041
Reviewed
Rev100
ML 1.2 2020-11-17
06:20:18
42.7762 13.2143 11 2020-11-17
06:29:26
Sala Sismica INGV-Roma 84794381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-17 06:20:18 ± 0.03
Latitude 42.7792 ± 0.0018
Longitude 13.2135 ± 0.0037
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86470041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 269
Semi-minor axis of confidence ellipse (meter) 67
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 243
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) 58
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32645
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 17
Type of magnitude ML
Reference to an origin 86470041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-22 20:04:20

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 13
Type of magnitude ML
Reference to an origin 84794381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-17 06:29:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.FUSIO.HHZ. 2020-11-17T06:21:39.94 3.0 negative manual Pg 15.98 0
IV.IMI.HHZ. 2020-11-17T06:21:25.98 3.0 undecidable manual Pg 13.83 0
IV.CMPR.HHZ. 2020-11-17T06:21:20.80 3.0 undecidable manual Sn -9.99 0
IV.GIB.HHZ. 2020-11-17T06:21:17.76 3.0 undecidable manual Pn -6.22 0
IV.CAPR.HNZ. 2020-11-17T06:21:07.12 3.0 undecidable manual Pn -0.41 0
IV.PTRJ.HNZ. 2020-11-17T06:21:02.58 3.0 undecidable manual Sg -1.56 0
IV.STAL.HNZ. 2020-11-17T06:21:01.27 3.0 undecidable manual Pn -3.7 0
IV.IMOL.HNZ. 2020-11-17T06:20:41.89 3.0 negative manual Pn -1.23 0
IV.FIR.HHZ. 2020-11-17T06:20:41.65 3.0 undecidable manual Pg 0.83 0
IV.NARO.HHZ. 2020-11-17T06:20:33.60 3.0 negative manual Pg 3.02 0
IV.MAON.HHZ. 2020-11-17T06:20:32.52 3.0 undecidable manual Pn -6.29 0
IV.TERO.HHZ. 2020-11-17T06:20:31.01 0.6 undecidable manual S 118 36.2415 91 -0.1 49
IV.FDMO.HHZ. 2020-11-17T06:20:29.43 0.6 undecidable manual S 340 30.3474 92 -0.1 50
IV.GAVE.EHZ. 2020-11-17T06:20:28.88 0.6 undecidable manual S 250 27.75 92 0.04 51
IV.RMP.HHZ. 2020-11-17T06:20:27.96 3.0 negative manual Pg -4.4 0
IV.LNSS.HHZ. 2020-11-17T06:20:27.94 0.6 undecidable manual S 216 24.1536 92 0.07 51
IV.FEMA.HNZ. 2020-11-17T06:20:27.85 0.6 undecidable manual S 327 24.2535 92 -0.07 51
IV.T1299.EHZ. 2020-11-17T06:20:26.18 0.3 undecidable manual S 161 16.9719 97 0.2 76
IV.SMA1.EHZ. 2020-11-17T06:20:26.46 0.6 undecidable manual S 149 19.2696 94 -0.11 50
IV.CSP1.EHZ. 2020-11-17T06:20:25.72 0.1 undecidable manual P 359 34.743 91 -0.02 100
IV.MMO1.EHZ. 2020-11-17T06:20:25.68 0.6 undecidable manual S 35 16.1727 98 -0.09 51
IV.TERO.HHZ. 2020-11-17T06:20:25.92 0.3 undecidable manual P 118 36.2415 91 -0.06 74
IV.MF5.EHZ. 2020-11-17T06:20:25.48 0.3 undecidable manual P 41 30.6471 91 0.37 71
IV.CESI.HHZ. 2020-11-17T06:20:25.79 0.3 undecidable manual P 315 35.4423 91 -0.07 74
IV.MTRA.EHZ. 2020-11-17T06:20:25.26 0.6 undecidable manual S 99 15.0738 101 -0.22 49
IV.MC2.EHZ. 2020-11-17T06:20:25.68 0.6 undecidable manual S 352 14.7741 102 0.28 49
IV.LNSS.HHZ. 2020-11-17T06:20:24.09 0.3 undecidable manual P 216 24.1536 92 -0.02 76
IV.FEMA.HNZ. 2020-11-17T06:20:24.08 0.3 undecidable manual P 327 24.2535 92 -0.06 76
IV.FDMO.HHZ. 2020-11-17T06:20:24.91 0.3 undecidable manual P 340 30.3474 92 -0.16 74
IV.GAVE.EHZ. 2020-11-17T06:20:24.66 0.3 undecidable manual P 250 27.75 92 -0.01 76
IV.NRCA.HNZ. 2020-11-17T06:20:24.08 0.6 undecidable manual S 307 10.0788 123 -0.16 51
IT.MTCL.HGZ. 2020-11-17T06:20:24.73 0.3 undecidable manual P 324 29.5482 92 -0.21 73
IV.T1299.EHZ. 2020-11-17T06:20:23.21 0.3 undecidable manual P 161 16.9719 97 0.19 75
IV.SMA1.EHZ. 2020-11-17T06:20:23.32 0.3 undecidable manual P 149 19.2696 94 -0.04 76
IV.MTRA.EHZ. 2020-11-17T06:20:22.73 0.3 undecidable manual P 99 15.0738 101 0 77
IV.MC2.EHZ. 2020-11-17T06:20:22.81 0.3 undecidable manual P 352 14.7741 102 0.12 76
IV.MMO1.EHZ. 2020-11-17T06:20:22.89 0.3 undecidable manual P 35 16.1727 98 -0.01 77
IV.NRCA.HNZ. 2020-11-17T06:20:22.07 0.3 undecidable manual P 307 10.0788 123 0.06 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:2.0 0.001184779 0.1216 AML other m 2020-11-17T06:20:24.18
IV.NRCA.HNN. ML:1.9 0.0010290438 0.1216 AML other m 2020-11-17T06:20:24.18
IV.NRCA.HHE. ML:2.1 0.001451175 0.08 AML other m 2020-11-17T06:20:24.24
IV.NRCA.HNE. ML:2.1 0.0013679434999999999 0.08 AML other m 2020-11-17T06:20:24.25
IV.MTRA.HNN. ML:1.3 0.0001920655 0.16 AML other m 2020-11-17T06:20:25.33
IV.MTRA.EHN. ML:1.3 0.00018268425 0.16 AML other m 2020-11-17T06:20:25.33
IV.MTRA.HNE. ML:1.2 0.0001481417 0.112 AML other m 2020-11-17T06:20:26.11
IV.MTRA.EHE. ML:1.2 0.00015665335000000002 0.1216 AML other m 2020-11-17T06:20:26.06
IV.SMA1.EHE. ML:1.3 0.00014662724999999998 0.2208 AML other m 2020-11-17T06:20:26.67
IV.SMA1.EHN. ML:1.2 0.000127074905 0.1792 AML other m 2020-11-17T06:20:26.56
IV.LNSS.HHN. ML:1.1 0.000067927545 0.1184 AML other m 2020-11-17T06:20:29.23
IV.LNSS.HHE. ML:1.0 0.00006178072999999999 0.1408 AML other m 2020-11-17T06:20:29.36
IV.FDMO.HHN. ML:1.2 0.00007484674 0.1792 AML other m 2020-11-17T06:20:29.64
IV.FDMO.HHE. ML:1.0 0.000052142030000000005 0.1792 AML other m 2020-11-17T06:20:29.55
IV.GAVE.EHE. ML:1.3 0.00010773053999999998 0.16 AML other m 2020-11-17T06:20:30.12
IV.GAVE.EHN. ML:1.1 0.000068401065 0.16 AML other m 2020-11-17T06:20:30.19
IV.TERO.HHE. ML:1.1 0.00004956352 0.08 AML other m 2020-11-17T06:20:31.71
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