Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 14-08-2019 and time 23:53:13 (UTC) in region 4 km NE Cittareale (RI)

A magnitude ML 1.7 earthquake occured in region: 4 km NE Cittareale (RI), on

  • 14-08-2019 23:53:13 (UTC)
  • 15-08-2019 01:53:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6450, 13.1870 at 10 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
Cittareale RI 4 482 482
Accumoli RI 8 667 1149
Amatrice RI 9 2657 3806
Montereale AQ 14 2581 6387
Posta RI 15 694 7081
Borbona RI 15 617 7698
Cascia PG 16 3217 10915
Capitignano AQ 17 665 11580
Arquata del Tronto AP 17 1178 12758
Campotosto AQ 18 542 13300
Norcia PG 18 4957 18257
Monteleone di Spoleto PG 19 599 18856

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
45 Km E of Terni (111501 inhabitants)
52 Km SE of Foligno (57155 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
87 Km W of Pescara (121014 inhabitants)
87 Km W of Chieti (51815 inhabitants)
92 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 1.7 2019-08-14
23:53:13		 42.6448 13.1868 10 2019-11-13
14:31:08		 Bollettino Sismico Italiano INGV 73741591
Reviewed
Rev100 		ML 1.7 2019-08-14
23:53:13		 42.6478 13.1828 10 2019-08-15
00:00:39		 Sala Sismica INGV-Roma 71497921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-14 23:53:13 ± 0.06
Latitude 42.6448 ± 0.0036
Longitude 13.1868 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73741591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 410
Semi-minor axis of confidence ellipse (meter) 331
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 231
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.07105
Epicentral distance of station farthest from the epicenter (degree) 0.68708
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:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 73741591
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-08 17:25:05

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 71497921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-15 00:00:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VCEL.EHZ. 2019-08-14T23:53:33.43 0.3 undecidable manual S 117 60.1953 50 1.17 48
IV.CSP1.EHZ. 2019-08-14T23:53:29.72 0.3 undecidable manual S 2 49.617 50 0.29 68
IV.CESI.HHE. 2019-08-14T23:53:28.60 0.6 undecidable manual S 330 46.1205 50 0.12 48
IV.FDMO.HHZ. 2019-08-14T23:53:28.12 0.6 undecidable manual S 349 44.2224 50 0.13 48
IV.MF5.EHZ. 2019-08-14T23:53:28.87 0.6 undecidable manual S 30 44.0226 50 0.92 37
IV.FIAM.HHZ. 2019-08-14T23:53:27.38 0.3 undecidable manual S 188 42.2244 50 -0.06 73
IV.EL6.EHZ. 2019-08-14T23:53:27.75 0.3 undecidable manual P 355 76.2681 50 0.92 52
IV.FEMA.HNE. 2019-08-14T23:53:26.45 0.6 undecidable manual S 342 36.9297 50 0.41 46
IV.GIGS.HHZ. 2019-08-14T23:53:25.71 0.6 undecidable manual S 124 38.0286 50 -0.63 42
IV.ARRO.EHZ. 2019-08-14T23:53:25.54 0.6 undecidable manual S 258 35.1426 50 -0.03 49
IV.MC2.EHZ. 2019-08-14T23:53:24.07 0.6 undecidable manual S 0 29.5482 50 -0.01 50
IV.TERO.HHZ. 2019-08-14T23:53:24.55 0.6 undecidable manual S 94 34.1436 50 -0.75 41
IV.VCEL.EHZ. 2019-08-14T23:53:24.62 0.1 undecidable manual P 117 60.1953 50 0.26 90
IV.MNTT.EHZ. 2019-08-14T23:53:24.56 0.3 undecidable manual P 36 56.9985 50 0.7 60
IV.MOMA.HHZ. 2019-08-14T23:53:23.23 0.3 undecidable manual P 290 53.3022 50 -0.06 71
IV.MMO1.EHZ. 2019-08-14T23:53:23.91 0.6 undecidable manual S 22 30.4473 50 -0.41 46
IV.MF5.EHZ. 2019-08-14T23:53:22.15 0.1 undecidable manual P 30 44.0226 50 0.28 92
IV.GUMA.HHZ. 2019-08-14T23:53:22.61 0.3 undecidable manual P 15 47.9187 50 0.15 71
IV.CESI.HHE. 2019-08-14T23:53:22.04 0.1 undecidable manual P 330 46.1205 50 -0.14 95
IV.CSP1.EHZ. 2019-08-14T23:53:22.39 0.1 undecidable manual P 2 49.617 50 -0.34 90
IV.CESX.HHZ. 2019-08-14T23:53:22.52 0.3 undecidable manual P 266 49.1175 50 -0.13 71
IV.GAVE.EHZ. 2019-08-14T23:53:22.55 0.3 undecidable manual S 283 24.4533 50 -0.17 74
IV.FDMO.HHZ. 2019-08-14T23:53:21.67 0.1 undecidable manual P 349 44.2224 50 -0.22 94
IV.MTRA.HNZ. 2019-08-14T23:53:21.20 0.3 undecidable manual S 54 21.1677 116 -0.53 68
IV.NRCA.HHZ. 2019-08-14T23:53:21.34 0.6 undecidable manual S 344 21.7671 115 -0.59 44
IV.CAMP.HHZ. 2019-08-14T23:53:21.68 0.6 undecidable manual S 124 21.7671 115 -0.27 48
IV.FEMA.HNE. 2019-08-14T23:53:21.13 0.3 undecidable manual P 342 36.9297 50 0.36 69
IV.FIAM.HHZ. 2019-08-14T23:53:21.43 0.1 undecidable manual P 188 42.2244 50 -0.15 95
IV.ARRO.EHZ. 2019-08-14T23:53:20.37 0.1 positive manual P 258 35.1426 50 -0.13 97
IV.GIGS.HHZ. 2019-08-14T23:53:20.59 0.1 undecidable manual P 124 38.0286 50 -0.35 92
IV.TERO.HHZ. 2019-08-14T23:53:19.98 0.1 undecidable manual P 94 34.1436 50 -0.36 92
IV.SMA1.EHZ. 2019-08-14T23:53:19.40 0.6 undecidable manual S 97 12.1767 130 0.27 49
IV.MMO1.EHZ. 2019-08-14T23:53:19.52 0.1 undecidable manual P 22 30.4473 50 -0.25 95
IV.LNSS.HHZ. 2019-08-14T23:53:19.48 0.3 undecidable manual S 249 12.876 129 0.18 75
IV.MC2.EHZ. 2019-08-14T23:53:19.58 0.1 undecidable manual P 0 29.5482 50 -0.06 99
IV.RM33.EHZ. 2019-08-14T23:53:19.98 0.3 undecidable manual S 171 15.2736 124 0.01 77
IV.CAMP.HHZ. 2019-08-14T23:53:18.29 0.1 undecidable manual P 124 21.7671 115 -0.12 99
IV.GAVE.EHZ. 2019-08-14T23:53:18.75 0.1 positive manual P 283 24.4533 50 -0.1 99
IV.MTRA.HNZ. 2019-08-14T23:53:18.04 0.1 undecidable manual P 54 21.1677 116 -0.25 97
IV.NRCA.HHZ. 2019-08-14T23:53:18.16 0.1 undecidable manual P 344 21.7671 115 -0.24 97
IV.T1299.HNN. 2019-08-14T23:53:18.20 0.3 undecidable manual S 99 7.881 143 0.12 76
IV.LNSS.HHZ. 2019-08-14T23:53:17.11 0.1 undecidable manual P 249 12.876 129 0.23 99
IV.RM33.EHZ. 2019-08-14T23:53:17.41 0.1 undecidable manual P 171 15.2736 124 0.14 100
IV.SMA1.EHZ. 2019-08-14T23:53:17.06 0.1 undecidable manual P 97 12.1767 130 0.28 98
IV.T1299.HNN. 2019-08-14T23:53:16.49 0.1 undecidable manual P 99 7.881 143 0.31 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:2.3 0.0020350000000000004 0.24 AML other m 2019-08-14T23:53:19.75
IV.LNSS.HHN. ML:2.0 0.0011600000000000002 0.4 AML other m 2019-08-14T23:53:19.64
IV.LNSS.HHE. ML:2.1 0.001395 0.24 AML other m 2019-08-14T23:53:19.66
IV.SMA1.EHE. ML:2.4 0.00312 0.32 AML other m 2019-08-14T23:53:19.88
IV.RM33.HNE. ML:2.0 0.0009075 0.28 AML other m 2019-08-14T23:53:20.33
IV.RM33.EHE. ML:2.0 0.0009255 0.28 AML other m 2019-08-14T23:53:20.20
IV.RM33.HNN. ML:1.9 0.0007235000000000001 0.48 AML other m 2019-08-14T23:53:20.35
IV.RM33.EHN. ML:1.9 0.0007155 1.04 AML other m 2019-08-14T23:53:20.74
IV.MTRA.EHN. ML:1.6 0.000251 0.18 AML other m 2019-08-14T23:53:21.37
IV.MTRA.HNE. ML:1.7 0.00032250000000000003 0.94 AML other m 2019-08-14T23:53:21.48
IV.MTRA.EHE. ML:1.7 0.0003505 0.94 AML other m 2019-08-14T23:53:21.48
IV.NRCA.HHN. ML:1.8 0.000444 0.86 AML other m 2019-08-14T23:53:21.23
IV.CAMP.HHE. ML:1.3 0.000127 1.34 AML other m 2019-08-14T23:53:22.84
IV.NRCA.HHE. ML:1.9 0.0005304999999999999 0.68 AML other m 2019-08-14T23:53:22.65
IV.GAVE.EHN. ML:1.9 0.00047 1.44 AML other m 2019-08-14T23:53:23.77
IV.GAVE.EHE. ML:1.9 0.000482 1.46 AML other m 2019-08-14T23:53:23.88
IV.GAVE.HNN. ML:1.6 0.0002705 0.96 AML other m 2019-08-14T23:53:24.06
IV.GAVE.HNE. ML:1.9 0.000486 1.34 AML other m 2019-08-14T23:53:24.87
IV.CAMP.HHN. ML:1.2 0.000104 1.64 AML other m 2019-08-14T23:53:24.91
IV.MTRA.HNN. ML:1.6 0.000295 1.32 AML other m 2019-08-14T23:53:25.87
IV.TERO.HHE. ML:1.6 0.000176 0.78 AML other m 2019-08-14T23:53:25.63
IV.TERO.HHN. ML:1.7 0.0002105 0.94 AML other m 2019-08-14T23:53:25.52
IV.ARRO.EHN. ML:1.4 0.00010650000000000001 0.52 AML other m 2019-08-14T23:53:26.27
IV.FIAM.HHN. ML:1.1 0.0000413 1.04 AML other m 2019-08-14T23:53:28.83
IV.ARRO.EHE. ML:1.3 0.00008715 0.18 AML other m 2019-08-14T23:53:29.20
IV.GUMA.HHE. ML:2.0 0.00026749999999999994 1.68 AML other m 2019-08-14T23:53:30.04
IV.FDMO.HHE. ML:1.2 0.00005215 0.22 AML other m 2019-08-14T23:53:30.31
IV.FIAM.HHE. ML:1.1 0.0000412 0.36 AML other m 2019-08-14T23:53:30.37
IV.GUMA.HHN. ML:1.9 0.000209 0.6 AML other m 2019-08-14T23:53:31.21
IV.FDMO.HHN. ML:1.3 0.000053 0.38 AML other m 2019-08-14T23:53:31.43
IV.CESX.HHE. ML:1.3 0.0000547 0.58 AML other m 2019-08-14T23:53:31.31
IV.MOMA.HHE. ML:1.7 0.00011300000000000001 0.88 AML other m 2019-08-14T23:53:31.71
IV.MOMA.HHN. ML:1.5 0.0000745 0.16 AML other m 2019-08-14T23:53:33.48
IV.CSP1.EHN. ML:1.5 0.00008105 1.58 AML other m 2019-08-14T23:53:33.97
IV.CESX.HHN. ML:1.4 0.0000644 0.64 AML other m 2019-08-14T23:53:34.06
IV.CSP1.EHE. ML:1.5 0.0000821 1.02 AML other m 2019-08-14T23:53:34.37
IV.MNTT.EHE. ML:2.0 0.000236 0.42 AML other m 2019-08-14T23:53:35.34
IV.MNTT.EHN. ML:2.0 0.0002455 0.52 AML other m 2019-08-14T23:53:36.08
IV.EL6.EHN. ML:1.8 0.00009198 0.42 AML other m 2019-08-14T23:53:41.44
IV.EL6.EHE. ML:1.9 0.00011044999999999999 0.42 AML other m 2019-08-14T23:53:41.72
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