Earthquake with magnitude of ML 0.8 on date 30-08-2019 and time 01:27:20 (UTC) in region 5 km N Cittareale (RI)

A magnitude ML 0.8 earthquake occured in region: 5 km N Cittareale (RI), on

  • 30-08-2019 01:27:20 (UTC)
  • 30-08-2019 03:27:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6620, 13.1780 at 7 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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 5 482 482
Accumoli RI 7 667 1149
Amatrice RI 10 2657 3806
Cascia PG 15 3217 7023
Arquata del Tronto AP 16 1178 8201
Montereale AQ 16 2581 10782
Norcia PG 16 4957 15739
Posta RI 17 694 16433
Borbona RI 17 617 17050
Monteleone di Spoleto PG 19 599 17649
Capitignano AQ 19 665 18314
Campotosto AQ 20 542 18856

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NW of L'Aquila (69753 inhabitants)
43 Km W of Teramo (54892 inhabitants)
45 Km E of Terni (111501 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
88 Km W of Pescara (121014 inhabitants)
88 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
Reviewed
Rev100
ML 0.8 2019-08-30
01:27:20
42.662 13.1783 7 2019-08-30
01:35:30
Sala Sismica INGV-Roma 71926221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-30 01:27:20 ± 0.09
Latitude 42.6620 ± 0.0036
Longitude 13.1783 ± 0.0049
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 71926221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 420
Semi-minor axis of confidence ellipse (meter) 166
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 91
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38581
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 71926221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-30 01:35:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2019-08-30T01:27:52.91 3.0 undecidable manual S 0.01 0
IV.MF5.EHZ. 2019-08-30T01:27:35.34 0.6 undecidable manual S 32 42.8238 50 0.32 46
IV.MMO1.EHZ. 2019-08-30T01:27:30.32 0.6 undecidable manual S 25 28.9488 103 -0.15 49
IV.GAVE.EHZ. 2019-08-30T01:27:28.72 0.6 undecidable manual S 278 23.4543 106 0.11 50
IV.MF5.EHZ. 2019-08-30T01:27:28.51 0.6 positive manual P 32 42.8238 50 -0.23 47
IV.NRCA.HHZ. 2019-08-30T01:27:27.55 0.6 undecidable manual S 345 19.7691 109 0.16 50
IV.MTRA.EHZ. 2019-08-30T01:27:27.41 0.6 undecidable manual S 59 20.6682 108 -0.28 49
IV.TERO.HHZ. 2019-08-30T01:27:26.46 3.0 undecidable manual P -0.17 0
IV.RM33.EHZ. 2019-08-30T01:27:26.46 0.6 undecidable manual S 170 17.2716 111 -0.11 51
IV.ARRO.EHZ. 2019-08-30T01:27:26.76 1.0 negative manual P 255 34.9428 101 -0.52 22
IV.MMO1.EHZ. 2019-08-30T01:27:25.95 0.6 undecidable manual P 25 28.9488 103 -0.17 49
IV.SMA1.EHZ. 2019-08-30T01:27:25.70 0.6 undecidable manual S 105 13.2756 117 0.39 48
IV.GAVE.EHZ. 2019-08-30T01:27:25.03 1.0 undecidable manual P 278 23.4543 106 -0.01 26
IV.MTRA.EHZ. 2019-08-30T01:27:24.35 0.1 undecidable manual P 59 20.6682 108 -0.16 100
IV.NRCA.HHZ. 2019-08-30T01:27:24.50 0.3 negative manual P 345 19.7691 109 0.17 75
IV.RM33.EHZ. 2019-08-30T01:27:23.83 0.3 positive manual P 170 17.2716 111 -0.03 77
IV.SMA1.EHZ. 2019-08-30T01:27:23.44 0.6 positive manual P 105 13.2756 117 0.31 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.1 0.0001475 1.72 AML other m 2019-08-30T01:27:25.13
IV.SMA1.EHE. ML:1.1 0.0001595 0.3 AML other m 2019-08-30T01:27:26.25
IV.RM33.EHE. ML:0.8 0.00005855 0.32 AML other m 2019-08-30T01:27:26.61
IV.RM33.EHN. ML:0.8 0.000059050000000000006 1.08 AML other m 2019-08-30T01:27:27.72
IV.MTRA.EHN. ML:0.5 0.00002675 0.88 AML other m 2019-08-30T01:27:27.64
IV.MTRA.EHE. ML:0.7 0.000039750000000000004 0.94 AML other m 2019-08-30T01:27:27.79
IV.NRCA.HHE. ML:0.9 0.00006855 0.74 AML other m 2019-08-30T01:27:27.91
IV.GAVE.EHN. ML:0.8 0.000046899999999999995 0.54 AML other m 2019-08-30T01:27:29.34
IV.NRCA.HHN. ML:0.6 0.0000354 0.42 AML other m 2019-08-30T01:27:29.55
IV.GAVE.EHE. ML:0.9 0.00004775 0.18 AML other m 2019-08-30T01:27:30.18
IV.TERO.HHN. ML:0.8 0.0000253 0.08 AML other m 2019-08-30T01:27:31.40
IV.TERO.HHE. ML:0.7 0.00001915 0.5 AML other m 2019-08-30T01:27:32.14
IV.ARRO.EHN. ML:0.6 0.0000138 0.54 AML other m 2019-08-30T01:27:32.61
IV.ARRO.EHE. ML:0.4 0.000008074999999999998 0.68 AML other m 2019-08-30T01:27:33.55
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download