Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 20-08-2019 and time 01:42:41 (Italy) in region 7 km SE Lucoli (AQ)

A magnitude ML 1.5 earthquake occured in region: 7 km SE Lucoli (AQ), on

  • 19-08-2019 23:42:41 (UTC)
  • 20-08-2019 01:42:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2310, 13.3710 at 11 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
Lucoli AQ 7 1011 1011
Tornimparte AQ 9 3187 4198
Rocca di Cambio AQ 10 533 4731
Ocre AQ 10 1167 5898
Borgorose RI 12 4591 10489
Fossa AQ 12 721 11210
Rocca di Mezzo AQ 13 1526 12736
Massa d'Albe AQ 14 1476 14212
L'Aquila AQ 14 69753 83965
Sant'Eusanio Forconese AQ 14 394 84359
Villa Sant'Angelo AQ 15 424 84783
Magliano de' Marsi AQ 15 3690 88473
Ovindoli AQ 16 1227 89700
San Demetrio ne' Vestini AQ 17 1854 91554
Fagnano Alto AQ 17 418 91972
Poggio Picenze AQ 17 1136 93108
Scoppito AQ 18 3727 96835
Pescorocchiano RI 18 2075 98910
Scurcola Marsicana AQ 19 2824 101734
Fontecchio AQ 20 369 102103
Sante Marie AQ 20 1166 103269

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km S of L'Aquila (69753 inhabitants)
55 Km SW of Teramo (54892 inhabitants)
56 Km NE of Tivoli (56533 inhabitants)
59 Km E of Guidonia Montecelio (88673 inhabitants)
67 Km W of Chieti (51815 inhabitants)
70 Km SE of Terni (111501 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
74 Km W of Pescara (121014 inhabitants)
78 Km NE of Velletri (53303 inhabitants)
82 Km E of Roma (2864731 inhabitants)
93 Km NE of Aprilia (73446 inhabitants)
93 Km NE of Latina (125985 inhabitants)
95 Km NE of Pomezia (62966 inhabitants)
97 Km SE of Foligno (57155 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 1.5 2019-08-19
23:42:41		 42.2308 13.371 11 2019-11-13
14:30:58		 Bollettino Sismico Italiano INGV 71736221
Reviewed
Rev100 		ML 1.5 2019-08-19
23:42:41		 42.2323 13.3712 11 2019-08-19
23:48:53		 Sala Sismica INGV-Roma 71636151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-19 23:42:41 ± 0.05
Latitude 42.2308 ± 0.0018
Longitude 13.3710 ± 0.0024
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71736221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 185
Semi-minor axis of confidence ellipse (meter) 150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 272
Circular confidence region, given by single value of horizontal uncertainty (meter) 190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 40
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.83187
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 71736221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-23 10:13:15

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 71636151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-19 23:48:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2019-08-19T23:43:07.52 3.0 undecidable manual Pn -0.43 0
IV.MMO1.EHZ. 2019-08-19T23:43:03.57 0.6 undecidable manual S 357 74.2701 50 -0.05 45
IV.NRCA.HHZ. 2019-08-19T23:43:02.57 0.6 undecidable manual S 343 70.0743 50 0.06 45
IT.OPI.HGE. 2019-08-19T23:43:00.87 0.6 undecidable manual S 143 63.0924 50 0.24 44
IV.ARRO.EHZ. 2019-08-19T23:43:00.48 1.0 undecidable manual S 308 62.8926 50 -0.1 23
IV.MTRA.EHE. 2019-08-19T23:42:59.37 0.6 undecidable manual S 2 58.3971 50 -0.01 47
IV.MTCE.HHZ. 2019-08-19T23:42:59.26 0.6 undecidable manual S 246 56.5989 50 0.34 44
IV.FDMO.HHZ. 2019-08-19T23:42:57.23 0.6 undecidable manual P 346 92.3409 50 0.27 42
IV.LNSS.HNZ. 2019-08-19T23:42:57.03 0.6 undecidable manual S 327 49.4172 50 0.05 47
IV.CERA.HNN. 2019-08-19T23:42:56.24 0.6 undecidable manual P 143 88.245 50 -0.08 44
IV.INTR.HHZ. 2019-08-19T23:42:56.97 0.3 undecidable manual S 119 50.2164 50 -0.23 68
IV.T1299.HNN. 2019-08-19T23:42:56.12 0.6 undecidable manual S 351 45.3213 50 0.21 46
IV.SMA1.EHZ. 2019-08-19T23:42:56.00 0.6 undecidable manual S 356 44.4222 50 0.34 45
IV.TERO.HHN. 2019-08-19T23:42:56.66 0.3 undecidable manual S 24 47.5191 50 0.18 69
IV.VVLD.HHZ. 2019-08-19T23:42:55.76 0.3 undecidable manual S 152 45.1215 50 -0.09 71
IV.CERT.HHZ. 2019-08-19T23:42:55.59 0.3 undecidable manual S 226 44.7219 50 -0.15 70
IV.MMO1.EHZ. 2019-08-19T23:42:54.40 0.6 undecidable manual P 357 74.2701 50 0.23 44
IV.NRCA.HHZ. 2019-08-19T23:42:53.39 0.1 undecidable manual P 343 70.0743 50 -0.14 90
IV.ARRO.EHZ. 2019-08-19T23:42:52.17 0.1 undecidable manual P 308 62.8926 50 -0.24 89
IV.RM33.EHZ. 2019-08-19T23:42:52.64 0.3 undecidable manual S 337 33.4443 50 -0.08 73
IV.POFI.HNE. 2019-08-19T23:42:52.36 0.1 undecidable manual P 154 63.492 50 -0.15 90
IT.OPI.HGE. 2019-08-19T23:42:52.38 1.0 undecidable manual P 143 63.0924 50 -0.06 23
IV.T0110.HHZ. 2019-08-19T23:42:52.94 0.3 undecidable manual S 90 33.3444 50 0.25 70
IV.CAMP.HHE. 2019-08-19T23:42:52.58 0.3 undecidable manual S 5 33.9438 50 -0.29 69
IV.MTRA.EHE. 2019-08-19T23:42:51.61 0.6 undecidable manual P 2 58.3971 50 -0.11 46
IV.MTCE.HHZ. 2019-08-19T23:42:51.41 0.1 positive manual P 246 56.5989 50 -0.05 93
IT.CSO1.HGE. 2019-08-19T23:42:51.20 0.3 undecidable manual S 238 27.3504 50 0.1 73
IV.GIGS.HHZ. 2019-08-19T23:42:51.52 0.6 undecidable manual S 34 29.748 50 -0.21 48
IV.LNSS.HNZ. 2019-08-19T23:42:50.07 0.1 undecidable manual P 327 49.4172 50 -0.26 91
IV.TERO.HHN. 2019-08-19T23:42:50.24 0.3 undecidable manual P 24 47.5191 50 0.2 69
IV.INTR.HHZ. 2019-08-19T23:42:50.32 0.1 positive manual P 119 50.2164 50 -0.14 93
IV.GUAR.HNN. 2019-08-19T23:42:50.65 0.6 undecidable manual P 186 48.618 50 0.43 44
IV.PTQR.HHZ. 2019-08-19T23:42:49.78 0.3 undecidable manual S 174 23.2545 50 -0.23 72
IV.SMA1.EHZ. 2019-08-19T23:42:49.56 0.1 undecidable manual P 356 44.4222 50 -0.01 96
IV.VVLD.HHZ. 2019-08-19T23:42:49.49 0.1 undecidable manual P 152 45.1215 50 -0.19 93
IV.CERT.HHZ. 2019-08-19T23:42:49.77 0.1 undecidable manual P 226 44.7219 50 0.15 94
IV.VCEL.EHN. 2019-08-19T23:42:49.82 0.3 undecidable manual P 65 42.624 50 0.53 65
IV.T1299.HNN. 2019-08-19T23:42:49.72 0.3 undecidable manual P 351 45.3213 50 0 72
IV.FIAM.HHZ. 2019-08-19T23:42:49.42 0.3 undecidable manual S 281 21.2676 50 -0.05 75
IV.T0110.HHZ. 2019-08-19T23:42:48.04 0.1 positive manual P 90 33.3444 50 0.18 95
IV.FAGN.HHZ. 2019-08-19T23:42:48.32 0.3 undecidable manual S 77 17.871 121 -0.17 73
IV.GIGS.HHZ. 2019-08-19T23:42:47.23 0.1 undecidable manual P 34 29.748 50 -0.08 98
IV.CAMP.HHE. 2019-08-19T23:42:47.72 0.1 undecidable manual P 5 33.9438 50 -0.24 94
MN.AQU.HHE. 2019-08-19T23:42:47.25 0.3 undecidable manual S 12 13.9749 127 -0.11 75
IT.CSO1.HGE. 2019-08-19T23:42:47.02 0.3 undecidable manual P 238 27.3504 50 0.08 73
IV.RM33.EHZ. 2019-08-19T23:42:47.78 0.1 positive manual P 337 33.4443 50 -0.09 97
IV.FIAM.HHZ. 2019-08-19T23:42:46.16 0.1 positive manual P 281 21.2676 50 0.16 97
IV.PTQR.HHZ. 2019-08-19T23:42:46.43 0.1 positive manual P 174 23.2545 50 0.12 98
IV.FAGN.HHZ. 2019-08-19T23:42:45.49 0.1 positive manual P 77 17.871 121 0.06 100
MN.AQU.HHE. 2019-08-19T23:42:45.00 0.1 negative manual P 12 13.9749 127 0.22 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTQR.HHE. ML:1.6 0.00025249695 0.1408 AML other m 2019-08-19T23:42:50.16
IV.FIAM.HHE. ML:1.4 0.00015847578499999997 0.0768 AML other m 2019-08-19T23:42:50.25
IV.FIAM.HNN. ML:1.8 0.00039630105000000007 0.1152 AML other m 2019-08-19T23:42:50.46
IV.FIAM.HHN. ML:1.5 0.00023340195 0.1024 AML other m 2019-08-19T23:42:50.48
IV.FAGN.HHN. ML:2.0 0.0008453268499999999 0.32 AML other m 2019-08-19T23:42:50.74
IV.PTQR.HHN. ML:1.4 0.00017610415 0.1536 AML other m 2019-08-19T23:42:50.99
IV.GIGS.HHE. ML:0.9 0.000039999350000000005 0.32 AML other m 2019-08-19T23:42:51.82
IV.RM33.EHE. ML:1.5 0.000140002245 0.2432 AML other m 2019-08-19T23:42:54.62
IV.T0110.HHE. ML:1.7 0.00019311519999999998 0.4608 AML other m 2019-08-19T23:42:54.92
IV.RM33.EHN. ML:1.5 0.000127723095 0.2304 AML other m 2019-08-19T23:42:55.40
IV.T0110.HHN. ML:1.8 0.00028840165 0.2944 AML other m 2019-08-19T23:42:56.51
IV.CERT.HHN. ML:1.1 0.000041733535000000005 0.2944 AML other m 2019-08-19T23:42:59.69
IV.SMA1.EHE. ML:1.6 0.0001184992 0.5248 AML other m 2019-08-19T23:42:59.96
IV.SMA1.EHN. ML:1.5 0.0000884774 1.4368 AML other m 2019-08-19T23:43:00.84
IV.INTR.HHN. ML:1.4 0.00007079668499999999 0.2816 AML other m 2019-08-19T23:43:01.63
IV.ARRO.EHE. ML:1.1 0.00002623736 0.192 AML other m 2019-08-19T23:43:04.32
IV.NRCA.HHE. ML:1.6 0.000060395039999999996 0.1024 AML other m 2019-08-19T23:43:04.47
IV.INTR.HHE. ML:1.1 0.00002923535 0.3968 AML other m 2019-08-19T23:43:04.72
IV.ARRO.EHN. ML:1.3 0.00003568519 0.192 AML other m 2019-08-19T23:43:04.97
IV.NRCA.HHN. ML:1.3 0.000031136225 0.1536 AML other m 2019-08-19T23:43:05.95
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