Earthquake with magnitude of ML 1.1 on date 15-08-2019 and time 12:34:44 (Italy) in region 5 km NE Cittareale (RI)

A magnitude ML 1.1 earthquake occured in region: 5 km NE Cittareale (RI), on

  • 15-08-2019 10:34:44 (UTC)
  • 15-08-2019 12:34:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.66, 13.19 at 10 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 6 667 1149
Amatrice RI 9 2657 3806
Montereale AQ 15 2581 6387
Arquata del Tronto AP 16 1178 7565
Cascia PG 16 3217 10782
Posta RI 17 694 11476
Borbona RI 17 617 12093
Norcia PG 17 4957 17050
Capitignano AQ 18 665 17715
Campotosto AQ 18 542 18257
Monteleone di Spoleto PG 20 599 18856

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 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 SE of Perugia (166134 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
87 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
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.1 2019-08-15
10:34:44
42.66 13.19 10 2019-08-15
10:41:33
Sala Sismica INGV-Roma 71510481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-15 10:34:44 ± 0.12
Latitude 42.66 ± 0.01
Longitude 13.19 ± 0.01
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 71510481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 516
Semi-minor axis of confidence ellipse (meter) 393
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 278
Circular confidence region, given by single value of horizontal uncertainty (meter) 520
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.25451
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 71510481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-15 10:41:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.AGLI.HHZ. 2019-08-15T10:36:18.63 3.0 undecidable manual Sg 15.83 0
IV.ESML.HHZ. 2019-08-15T10:36:10.90 3.0 positive manual Pg 17.16 0
NI.PALA.HHZ. 2019-08-15T10:36:09.70 3.0 undecidable manual Sn -4.9 0
GU.TRAV.HHZ. 2019-08-15T10:36:08.98 3.0 negative manual Pg 21.629999 0
IV.SBPO.HNZ. 2019-08-15T10:36:07.00 3.0 undecidable manual Sg 11.84 0
GU.ENR.HHZ. 2019-08-15T10:36:01.47 3.0 undecidable manual Pg 19.68 0
GU.ROTM.HHZ. 2019-08-15T10:35:49.20 3.0 positive manual Pg 11.84 0
IV.MCRV.HHZ. 2019-08-15T10:35:46.70 3.0 undecidable manual Sn 0.49 0
GU.CANO.HHZ. 2019-08-15T10:35:43.19 3.0 negative manual Pn 8.98 0
NI.PALA.HHZ. 2019-08-15T10:35:33.49 3.0 positive manual Pn 1.01 0
GU.GRAM.HHZ. 2019-08-15T10:35:19.87 3.0 negative manual Pn -1.15 0
IV.NDIM.HHZ. 2019-08-15T10:35:18.32 3.0 undecidable manual Pn -1.46 0
IV.PE3.EHZ. 2019-08-15T10:35:18.37 3.0 undecidable manual Sg 4.18 0
IV.BRIS.HHZ. 2019-08-15T10:35:04.89 3.0 positive manual Pn -2.84 0
IV.SFI.EHZ. 2019-08-15T10:35:03.91 3.0 undecidable manual Pn 0.3 0
IV.PE3.EHZ. 2019-08-15T10:34:59.66 3.0 undecidable manual Pn 1.12 0
IV.LAV9.HNZ. 2019-08-15T10:34:55.54 3.0 undecidable manual P -0.35 0
IV.BARO.EHZ. 2019-08-15T10:34:55.23 3.0 undecidable manual Pn 1.87 0
IV.NRCA.HHE. 2019-08-15T10:34:52.06 0.6 undecidable manual S 342 0.1853 116 -0.27 47
IV.MTRA.EHZ. 2019-08-15T10:34:51.80 0.6 undecidable manual S 57 0.1808 116 -0.38 46
IV.SMA1.EHZ. 2019-08-15T10:34:50.10 0.6 undecidable manual S 104 0.1097 129 0.24 48
IV.LNSS.HHZ. 2019-08-15T10:34:50.32 0.6 undecidable manual S 244 0.1232 126 0.04 50
IV.RM33.EHZ. 2019-08-15T10:34:50.65 0.6 undecidable manual S 173 0.1493 121 -0.46 46
IV.MC2.EHE. 2019-08-15T10:34:50.29 0.1 undecidable manual P 360 0.2545 50 -0.02 98
IV.NRCA.HHE. 2019-08-15T10:34:49.27 0.6 undecidable manual P 342 0.1853 116 0.29 47
IV.RM33.EHZ. 2019-08-15T10:34:48.16 0.6 undecidable manual P 173 0.1493 121 -0.12 49
IV.MTRA.EHZ. 2019-08-15T10:34:48.88 0.6 undecidable manual P 57 0.1808 116 -0.01 50
IV.SMA1.EHZ. 2019-08-15T10:34:47.83 1.0 negative manual P 104 0.1097 129 0.28 24
IV.T1299.EHE. 2019-08-15T10:34:47.15 0.1 undecidable manual P 109 0.071 142 0.2 98
IV.LNSS.HHZ. 2019-08-15T10:34:47.85 0.1 undecidable manual P 244 0.1232 126 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.3 0.000232 0.28 AML other m 2019-08-15T10:34:50.59
IV.SMA1.EHN. ML:1.3 0.000237 0.3 AML other m 2019-08-15T10:34:50.54
IV.LNSS.HHE. ML:0.9 8.865E-5 0.08 AML other m 2019-08-15T10:34:50.58
IV.LNSS.HHN. ML:0.9 8.14E-5 1.04 AML other m 2019-08-15T10:34:50.44
IV.MTRA.EHN. ML:1.1 9.71E-5 0.26 AML other m 2019-08-15T10:34:52.14
IV.MTRA.EHE. ML:1.1 0.000101 0.28 AML other m 2019-08-15T10:34:52.41
IV.NDIM.HHE. ML:3.8 0.0007635 0.08 AML other m 2019-08-15T10:35:21.30
IV.NDIM.HHN. ML:3.6 0.0004265 1.52 AML other m 2019-08-15T10:35:26.12
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download