Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 14-08-2019 and time 05:45:02 (UTC) in region 4 km NE Cittareale (RI)

A magnitude ML 1.0 earthquake occured in region: 4 km NE Cittareale (RI), on

  • 14-08-2019 05:45:02 (UTC)
  • 14-08-2019 07:45:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6500, 13.1920 at 14 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 7 667 1149
Amatrice RI 8 2657 3806
Montereale AQ 15 2581 6387
Posta RI 16 694 7081
Borbona RI 16 617 7698
Arquata del Tronto AP 16 1178 8876
Cascia PG 17 3217 12093
Capitignano AQ 17 665 12758
Norcia PG 18 4957 17715
Campotosto AQ 18 542 18257
Monteleone di Spoleto PG 20 599 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)
46 Km E of Terni (111501 inhabitants)
52 Km SE of Foligno (57155 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
86 Km W of Pescara (121014 inhabitants)
87 Km W of Chieti (51815 inhabitants)
93 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 1.0 2019-08-14
05:45:02		 42.6505 13.1925 14 2019-11-13
14:31:08		 Bollettino Sismico Italiano INGV 73732391
Reviewed
Rev100 		ML 1.0 2019-08-14
05:45:02		 42.6577 13.1873 12 2019-08-14
05:51:48		 Sala Sismica INGV-Roma 71474601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-14 05:45:02 ± 0.11
Latitude 42.6505 ± 0.0054
Longitude 13.1925 ± 0.0061
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73732391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 523
Semi-minor axis of confidence ellipse (meter) 340
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 33
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30397
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 73732391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-08 11:05:33

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 71474601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-14 05:51:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ERC.EHZ. 2019-08-14T05:46:53.76 3.0 undecidable manual Sn -9.34 0
IV.CRJA.HHZ. 2019-08-14T05:46:28.13 3.0 undecidable manual Pg 14.96 0
MN.TRI.HHZ. 2019-08-14T05:46:25.28 3.0 undecidable manual Sn -4.17 0
GU.GSCL.HHZ. 2019-08-14T05:46:10.40 3.0 undecidable manual Sn -5.6 0
IV.OPPE.HHZ. 2019-08-14T05:45:50.94 3.0 undecidable manual Pn 0.32 0
IV.NDIM.HNZ. 2019-08-14T05:45:49.42 3.0 negative manual Pg 2.22 0
IV.RAVA.EHZ. 2019-08-14T05:45:42.95 3.0 undecidable manual Pn -1.53 0
IV.SGRT.HHZ. 2019-08-14T05:45:39.20 3.0 undecidable manual Pg 3.27 0
IV.PTRJ.HHZ. 2019-08-14T05:45:34.28 3.0 undecidable manual Pg 5.19 0
IV.VVLD.HHZ. 2019-08-14T05:45:28.59 3.0 undecidable manual S -0.88 0
IT.VNF1.HGZ. 2019-08-14T05:45:24.08 3.0 negative manual P -0.9 0
IV.MNTP.HNZ. 2019-08-14T05:45:22.86 3.0 undecidable manual S -1.59 0
IV.PE3.EHZ. 2019-08-14T05:45:19.42 3.0 negative manual Pn -5.58 0
IV.TERO.HHZ. 2019-08-14T05:45:13.99 0.6 undecidable manual S 95 33.744 98 -0.28 46
IV.NRCA.HHZ. 2019-08-14T05:45:10.69 0.6 undecidable manual S 343 21.2676 108 -0.34 47
IV.CAMP.HHZ. 2019-08-14T05:45:10.97 0.6 undecidable manual S 126 21.7671 107 -0.18 48
IV.MTRA.EHE. 2019-08-14T05:45:10.59 0.6 undecidable manual S 55 20.3685 109 -0.21 48
IV.RM33.EHZ. 2019-08-14T05:45:09.46 0.6 undecidable manual S 173 15.7731 119 -0.22 49
IV.TERO.HHZ. 2019-08-14T05:45:09.44 0.3 undecidable manual P 95 33.744 98 0.04 73
IV.LNSS.HHZ. 2019-08-14T05:45:08.90 0.6 undecidable manual S 247 13.4754 125 -0.26 49
IV.SMA1.EHZ. 2019-08-14T05:45:08.93 0.6 undecidable manual S 101 11.877 130 0.12 49
IV.CAMP.HHZ. 2019-08-14T05:45:07.65 0.1 undecidable manual P 126 21.7671 107 0.05 99
IV.MTRA.EHE. 2019-08-14T05:45:07.43 0.3 undecidable manual P 55 20.3685 109 0.03 75
IV.NRCA.HHZ. 2019-08-14T05:45:07.66 0.1 undecidable manual P 343 21.2676 108 0.13 98
IV.RM33.EHZ. 2019-08-14T05:45:06.84 0.1 undecidable manual P 173 15.7731 119 0.09 99
IV.LNSS.HHZ. 2019-08-14T05:45:06.50 0.1 positive manual P 247 13.4754 125 0.05 100
IV.SMA1.EHZ. 2019-08-14T05:45:06.55 0.1 undecidable manual P 101 11.877 130 0.3 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.3 0.00016999999999999999 0.26 AML other m 2019-08-14T05:45:09.16
IV.SMA1.EHN. ML:1.0 0.0000881 0.18 AML other m 2019-08-14T05:45:09.15
IV.NRCA.HHN. ML:0.9 0.00005115 1.56 AML other m 2019-08-14T05:45:11.17
IV.NRCA.HHE. ML:0.9 0.0000533 1.3 AML other m 2019-08-14T05:45:11.25
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