Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 05-08-2019 and time 05:28:47 (UTC) in region 5 km W Arquata del Tronto (AP)

A magnitude ML 1.6 earthquake occured in region: 5 km W Arquata del Tronto (AP), on

  • 05-08-2019 05:28:47 (UTC)
  • 05-08-2019 07:28:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7720, 13.2400 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 5 1178 1178
Accumoli RI 9 667 1845
Montegallo AP 11 523 2368
Norcia PG 12 4957 7325
Acquasanta Terme AP 14 2916 10241
Castelsantangelo sul Nera MC 15 281 10522
Montemonaco AP 16 604 11126
Amatrice RI 16 2657 13783
Cittareale RI 18 482 14265
Cascia PG 19 3217 17482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
48 Km E of Foligno (57155 inhabitants)
49 Km N of L'Aquila (69753 inhabitants)
54 Km E of Terni (111501 inhabitants)
79 Km E of Perugia (166134 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
87 Km W of Pescara (121014 inhabitants)
89 Km NW of Chieti (51815 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km S of Ancona (100861 inhabitants)
97 Km NE of Tivoli (56533 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 1.6 2019-08-05
05:28:47		 42.7722 13.2402 11 2019-11-13
14:31:02		 Bollettino Sismico Italiano INGV 72335621
Reviewed
Rev100 		ML 1.5 2019-08-05
05:28:47		 42.7708 13.2398 11 2019-08-05
05:37:15		 Sala Sismica INGV-Roma 71186261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-05 05:28:47 ± 0.04
Latitude 42.7722 ± 0.0018
Longitude 13.2402 ± 0.0037
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 72335621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 281
Semi-minor axis of confidence ellipse (meter) 135
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 71
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.11062
Epicentral distance of station farthest from the epicenter (degree) 0.56567
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 71186261
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-05 05:37:15

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 36
Type of magnitude ML
Reference to an origin 72335621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-12 09:16:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2019-08-05T05:29:00.19 0.1 undecidable manual S 314 37.5291 50 0.02 96
IV.GUMA.HNN. 2019-08-05T05:28:59.50 0.6 undecidable manual S 13 33.1446 50 0.51 43
IV.EL6.EHZ. 2019-08-05T05:28:58.51 0.3 undecidable manual P 350 62.7927 50 -0.23 66
IV.MF5.EHZ. 2019-08-05T05:28:58.72 0.1 undecidable manual S 37 29.8479 50 0.61 84
IV.FDMO.HHZ. 2019-08-05T05:28:58.35 0.3 undecidable manual S 337 31.8459 50 -0.3 69
IT.MTCL.HGZ. 2019-08-05T05:28:58.20 0.6 undecidable manual S 322 31.4463 50 -0.34 45
IV.RM33.EHZ. 2019-08-05T05:28:58.11 0.6 undecidable manual S 184 29.2485 50 0.15 47
IV.SNTG.HHZ. 2019-08-05T05:28:58.15 0.3 undecidable manual P 336 58.7967 50 0.03 69
IV.TERO.HHZ. 2019-08-05T05:28:58.98 0.6 undecidable manual S 119 33.9438 50 -0.23 46
IV.MOMA.HHZ. 2019-08-05T05:28:57.67 0.1 undecidable manual P 274 54.7008 50 0.19 90
IV.FEMA.HNE. 2019-08-05T05:28:57.01 0.6 undecidable manual S 324 26.1516 50 -0.12 48
IV.CAMP.HHZ. 2019-08-05T05:28:57.79 0.3 undecidable manual S 152 29.6481 50 -0.26 69
IV.ASSB.HHZ. 2019-08-05T05:28:57.73 0.3 undecidable manual P 303 55.9995 50 0.05 69
IV.FIAM.HHZ. 2019-08-05T05:28:57.76 0.1 undecidable manual P 190 56.7987 50 -0.06 92
IV.GAVE.EHZ. 2019-08-05T05:28:57.97 0.6 undecidable manual S 253 29.5482 50 -0.06 48
IV.LNSS.HHZ. 2019-08-05T05:28:56.93 0.3 undecidable manual S 221 24.8529 50 0.15 72
IV.MNTT.EHZ. 2019-08-05T05:28:56.27 0.3 undecidable manual P 42 43.2234 50 0.55 63
IV.ARRO.EHZ. 2019-08-05T05:28:56.06 0.1 undecidable manual P 241 44.2224 50 0.19 91
IV.GIGS.HHZ. 2019-08-05T05:28:55.72 0.3 undecidable manual P 142 44.622 50 -0.21 68
IV.CESI.HHZ. 2019-08-05T05:28:54.75 0.1 undecidable manual P 314 37.5291 50 -0.1 94
IV.GUMA.HNN. 2019-08-05T05:28:54.24 0.1 undecidable manual P 13 33.1446 50 0.07 95
IV.TERO.HHZ. 2019-08-05T05:28:54.16 0.1 undecidable manual P 119 33.9438 50 -0.13 94
IV.MC2.EHZ. 2019-08-05T05:28:54.32 0.3 undecidable manual S 345 15.9729 123 0.09 74
IV.SMA1.EHZ. 2019-08-05T05:28:54.65 0.6 undecidable manual S 154 17.5713 121 -0.03 50
IV.T1299.HNN. 2019-08-05T05:28:54.55 0.6 undecidable manual S 167 15.6732 124 0.41 46
IV.RM33.EHZ. 2019-08-05T05:28:53.48 0.1 undecidable manual P 184 29.2485 50 -0.09 96
IV.MMO1.EHZ. 2019-08-05T05:28:53.92 0.1 undecidable manual S 27 15.7731 124 -0.25 95
IV.GAVE.EHZ. 2019-08-05T05:28:53.61 0.1 positive manual P 253 29.5482 50 0 97
IV.MF5.EHZ. 2019-08-05T05:28:53.70 0.1 undecidable manual P 37 29.8479 50 0.04 97
IV.FEMA.HNE. 2019-08-05T05:28:53.16 0.3 undecidable manual P 324 26.1516 50 0.07 73
IV.MTRA.HNZ. 2019-08-05T05:28:53.12 0.1 undecidable manual S 98 12.876 129 -0.23 96
IV.CAMP.HHZ. 2019-08-05T05:28:53.41 0.1 undecidable manual P 152 29.6481 50 -0.21 93
IV.FDMO.HHZ. 2019-08-05T05:28:53.73 0.1 undecidable manual P 337 31.8459 50 -0.24 93
IT.MTCL.HGZ. 2019-08-05T05:28:53.65 0.1 undecidable manual P 322 31.4463 50 -0.25 92
IV.NRCA.HNZ. 2019-08-05T05:28:53.14 0.1 undecidable manual S 304 12.2766 131 -0.07 99
IV.LNSS.HHZ. 2019-08-05T05:28:52.89 0.1 undecidable manual P 221 24.8529 50 0 98
IV.SMA1.EHZ. 2019-08-05T05:28:51.74 0.1 undecidable manual P 154 17.5713 121 0.06 98
IV.T1299.HNN. 2019-08-05T05:28:51.65 0.1 undecidable manual P 167 15.6732 124 0.29 94
IV.MMO1.EHZ. 2019-08-05T05:28:51.29 0.1 undecidable manual P 27 15.7731 124 -0.09 98
IV.MC2.EHZ. 2019-08-05T05:28:51.53 0.1 undecidable manual P 345 15.9729 123 0.11 98
IV.MTRA.HNZ. 2019-08-05T05:28:50.93 0.1 undecidable manual P 98 12.876 129 0.02 100
IV.NRCA.HNZ. 2019-08-05T05:28:50.94 0.1 undecidable manual P 304 12.2766 131 0.11 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNN. ML:1.8 0.0007934999999999999 0.8 AML other m 2019-08-05T05:28:53.71
IV.NRCA.HHN. ML:2.2 0.001555 0.06 AML other m 2019-08-05T05:28:53.42
IV.NRCA.HNN. ML:2.2 0.001585 0.26 AML other m 2019-08-05T05:28:53.55
IV.MTRA.HNE. ML:1.8 0.0006590000000000001 0.16 AML other m 2019-08-05T05:28:53.49
IV.MTRA.EHE. ML:1.8 0.000665 0.16 AML other m 2019-08-05T05:28:53.57
IV.NRCA.HHE. ML:2.4 0.002755 0.08 AML other m 2019-08-05T05:28:53.55
IV.NRCA.HNE. ML:2.4 0.0024249999999999996 0.06 AML other m 2019-08-05T05:28:53.55
IV.MTRA.EHN. ML:1.8 0.000743 0.24 AML other m 2019-08-05T05:28:53.71
IV.SMA1.EHN. ML:1.4 0.00020250000000000002 0.5 AML other m 2019-08-05T05:28:56.07
IV.CAMP.HHE. ML:1.4 0.00011055 1.76 AML other m 2019-08-05T05:28:57.99
IV.LNSS.HHE. ML:1.8 0.00034750000000000004 0.44 AML other m 2019-08-05T05:28:58.37
IV.LNSS.HHN. ML:1.7 0.00028799999999999995 0.12 AML other m 2019-08-05T05:28:58.56
IV.FDMO.HHN. ML:1.5 0.000151 0.28 AML other m 2019-08-05T05:28:58.64
IV.FDMO.HHE. ML:1.4 0.00010075000000000001 0.64 AML other m 2019-08-05T05:28:58.67
IV.RM33.EHE. ML:1.8 0.0002965 0.36 AML other m 2019-08-05T05:28:58.58
IV.CAMP.HHN. ML:1.2 0.00007230000000000001 0.24 AML other m 2019-08-05T05:28:58.77
IV.SMA1.EHE. ML:1.4 0.0001895 0.54 AML other m 2019-08-05T05:28:58.93
IV.GAVE.EHN. ML:2.0 0.00045499999999999995 0.18 AML other m 2019-08-05T05:28:58.98
IV.RM33.EHN. ML:1.6 0.000175 1.68 AML other m 2019-08-05T05:28:59.95
IV.GAVE.EHE. ML:2.0 0.0005015000000000001 0.66 AML other m 2019-08-05T05:28:59.54
IV.CESI.HHN. ML:1.8 0.0002515 0.6 AML other m 2019-08-05T05:29:00.37
IV.CESI.HHE. ML:1.8 0.0002415 0.58 AML other m 2019-08-05T05:29:00.35
IV.GIGS.HHN. ML:0.8 0.00002035 1.4 AML other m 2019-08-05T05:29:03.16
IV.GIGS.HHE. ML:0.8 0.00002045 1.46 AML other m 2019-08-05T05:29:03.90
IV.ARRO.EHE. ML:1.3 0.00006359999999999999 0.16 AML other m 2019-08-05T05:29:04.01
IV.ARRO.EHN. ML:1.3 0.000054449999999999995 0.26 AML other m 2019-08-05T05:29:04.45
IV.MNTT.EHN. ML:2.0 0.0003075 0.42 AML other m 2019-08-05T05:29:04.71
IV.MNTT.EHE. ML:2.0 0.0002905 0.42 AML other m 2019-08-05T05:29:04.73
IV.MOMA.HHE. ML:1.5 0.00007644999999999999 0.92 AML other m 2019-08-05T05:29:06.52
IV.MOMA.HHN. ML:1.4 0.00006595 0.74 AML other m 2019-08-05T05:29:06.55
IV.ASSB.HHE. ML:1.2 0.00004225 0.78 AML other m 2019-08-05T05:29:07.49
IV.ASSB.HHN. ML:1.2 0.000041349999999999995 1.44 AML other m 2019-08-05T05:29:07.94
IV.SNTG.HHN. ML:1.1 0.000023800000000000003 0.42 AML other m 2019-08-05T05:29:08.91
IV.FIAM.HHE. ML:1.0 0.00002225 0.72 AML other m 2019-08-05T05:29:08.82
IV.SNTG.HHE. ML:1.0 0.000020799999999999997 1.42 AML other m 2019-08-05T05:29:08.23
IV.FIAM.HHN. ML:1.0 0.00002 1.1 AML other m 2019-08-05T05:29:09.12
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