Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 18-11-2019 and time 04:04:39 (Italy) in region 4 km NE Tagliacozzo (AQ)

A magnitude ML 1.1 earthquake occured in region: 4 km NE Tagliacozzo (AQ), on

  • 18-11-2019 03:04:39 (UTC)
  • 18-11-2019 04:04:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.0890, 13.3010 at 9 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
Tagliacozzo AQ 4 6889 6889
Scurcola Marsicana AQ 4 2824 9713
Magliano de' Marsi AQ 5 3690 13403
Massa d'Albe AQ 8 1476 14879
Sante Marie AQ 8 1166 16045
Cappadocia AQ 9 528 16573
Castellafiume AQ 12 1106 17679
Avezzano AQ 12 42515 60194
Borgorose RI 13 4591 64785
Capistrello AQ 16 5252 70037
Pereto AQ 17 682 70719
Camerata Nuova RM 18 447 71166
Carsoli AQ 18 5396 76562
Pescorocchiano RI 18 2075 78637
Ovindoli AQ 19 1227 79864
Canistro AQ 19 995 80859
Vallepietra RM 19 283 81142
Luco dei Marsi AQ 20 6079 87221

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km S of L'Aquila (69753 inhabitants)
44 Km E of Tivoli (56533 inhabitants)
48 Km E of Guidonia Montecelio (88673 inhabitants)
62 Km NE of Velletri (53303 inhabitants)
71 Km E of Roma (2864731 inhabitants)
72 Km SW of Teramo (54892 inhabitants)
75 Km SE of Terni (111501 inhabitants)
76 Km NE of Latina (125985 inhabitants)
77 Km NE of Aprilia (73446 inhabitants)
77 Km W of Chieti (51815 inhabitants)
81 Km NE of Pomezia (62966 inhabitants)
84 Km SW of Montesilvano (53738 inhabitants)
86 Km W of Pescara (121014 inhabitants)
90 Km NE of Anzio (54211 inhabitants)
95 Km E of Fiumicino (78395 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 2019-11-18
03:04:39		 42.0892 13.3012 9 2020-02-28
16:42:07		 Bollettino Sismico Italiano INGV 73931851
Reviewed
Rev100 		ML 1.1 2019-11-18
03:04:40		 42.083 13.2998 9 2019-11-18
05:22:49		 Sala Sismica INGV-Roma 73903291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-18 03:04:39 ± 0.04
Latitude 42.0892 ± 0.0018
Longitude 13.3012 ± 0.0024
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73931851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 233
Semi-minor axis of confidence ellipse (meter) 161
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 40
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.53150
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 73931851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-20 09:05:04

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 73903291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-18 05:22:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HNZ. 2019-11-18T03:05:12.32 3.0 undecidable manual Sn -0.34 0
IV.CPGN.EHZ. 2019-11-18T03:05:06.07 3.0 undecidable manual Pg 1.55 0
IV.GIUL.HHZ. 2019-11-18T03:04:58.61 0.6 undecidable manual S 184 58.9965 50 0.28 44
IV.POFI.HNE. 2019-11-18T03:04:56.84 0.6 undecidable manual S 140 53.4021 50 0.01 47
IV.T0110.HHE. 2019-11-18T03:04:54.03 0.3 undecidable manual S 68 42.0246 50 0.22 69
IV.GIGS.HHN. 2019-11-18T03:04:54.64 0.3 undecidable manual S 29 46.1205 50 -0.25 68
IV.RCAV.EHZ. 2019-11-18T03:04:53.32 0.6 undecidable manual S 228 39.7269 50 0.13 47
IV.VVLD.HHZ. 2019-11-18T03:04:52.21 0.3 undecidable manual S 132 36.0417 50 0.02 73
IV.GUAR.HNE. 2019-11-18T03:04:51.33 0.3 undecidable manual S 178 32.6451 50 0.03 73
IV.CSP1.EHZ. 2019-11-18T03:04:51.18 3.0 undecidable manual P -1.85 0
MN.AQU.HNZ. 2019-11-18T03:04:50.64 0.3 undecidable manual S 16 30.6471 50 -0.11 72
IV.GIUL.HHZ. 2019-11-18T03:04:50.26 0.1 undecidable manual P 184 58.9965 50 -0.2 90
IV.CERT.HHZ. 2019-11-18T03:04:50.61 0.3 undecidable manual S 240 30.5472 50 -0.13 72
IV.POFI.HNE. 2019-11-18T03:04:49.44 0.1 undecidable manual P 140 53.4021 50 -0.16 91
IV.FIAM.HHZ. 2019-11-18T03:04:48.89 0.3 undecidable manual S 323 24.9528 110 -0.06 74
IV.GIGS.HHN. 2019-11-18T03:04:48.41 1.0 undecidable manual P 29 46.1205 50 -0.07 24
IV.RCAV.EHZ. 2019-11-18T03:04:47.39 0.3 undecidable manual P 228 39.7269 50 -0.11 71
IV.T0110.HHE. 2019-11-18T03:04:47.98 0.1 undecidable manual P 68 42.0246 50 0.13 94
IV.VIVA.HHZ. 2019-11-18T03:04:47.52 3.0 positive manual P -0.21 0
IV.VVLD.HHZ. 2019-11-18T03:04:46.87 0.1 undecidable manual P 132 36.0417 50 -0.05 96
MN.AQU.HNZ. 2019-11-18T03:04:46.44 0.3 undecidable manual P 16 30.6471 50 0.35 69
IT.CSO1.HGZ. 2019-11-18T03:04:46.86 0.3 undecidable manual S 274 17.5713 118 0.25 72
IV.GUAR.HNE. 2019-11-18T03:04:46.68 1.0 undecidable manual P 178 32.6451 50 0.27 23
IV.CERT.HHZ. 2019-11-18T03:04:46.07 0.1 undecidable manual P 240 30.5472 50 -0.01 98
IV.FIAM.HHZ. 2019-11-18T03:04:45.01 0.1 undecidable manual P 323 24.9528 110 -0.04 99
IV.PTQR.HHZ. 2019-11-18T03:04:44.58 0.3 undecidable manual S 132 11.0778 130 -0.14 74
IT.CSO1.HGZ. 2019-11-18T03:04:43.42 1.0 undecidable manual P 274 17.5713 118 -0.28 24
IV.PTQR.HHZ. 2019-11-18T03:04:42.69 0.1 positive manual P 132 11.0778 130 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIAM.HHN. ML:1.0 0.00005385 0.42 AML other m 2019-11-18T03:04:57.85
IV.PTQR.HHE. ML:1.4 0.0003055 1.38 AML other m 2019-11-18T03:04:45.22
IV.FIAM.HHE. ML:0.8 0.0000419 0.5 AML other m 2019-11-18T03:04:49.83
IV.CERT.HHE. ML:1.1 0.00006701982 1.4 AML other m 2019-11-18T03:04:51.91
IV.CERT.HHN. ML:1.0 0.000042574625 0.36 AML other m 2019-11-18T03:04:52.30
IV.VVLD.HHE. ML:1.4 0.00009291273 1.08 AML other m 2019-11-18T03:04:53.86
IV.VVLD.HHN. ML:1.2 0.00005275056 0.4 AML other m 2019-11-18T03:04:54.04
IV.VVLD.HNE. ML:1.3 0.00007971088500000001 0.56 AML other m 2019-11-18T03:04:54.46
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