Earthquake with magnitude of ML 1.7 on date 19-10-2023 and time 14:21:29 (Italy) in region 6 km E Cittareale (RI)

A magnitude ML 1.7 earthquake occured in region: 6 km E Cittareale (RI), on

  • 19-10-2023 12:21:29 (UTC)
  • 19-10-2023 14:21:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5940, 13.2280 at 18 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 6 482 482
Amatrice RI 6 2657 3139
Montereale AQ 8 2581 5720
Capitignano AQ 10 665 6385
Accumoli RI 12 667 7052
Borbona RI 12 617 7669
Campotosto AQ 12 542 8211
Posta RI 13 694 8905
Cagnano Amiterno AQ 15 1369 10274
Barete AQ 16 737 11011
Pizzoli AQ 18 4326 15337

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
78 Km NE of Tivoli (56533 inhabitants)
82 Km W of Chieti (51815 inhabitants)
82 Km W of Pescara (121014 inhabitants)
89 Km SE of Perugia (166134 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
99 Km NE of Roma (2864731 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 1.7 2023-10-19
12:21:29
42.5938 13.2282 18 2023-10-19
12:33:33
Sala Sismica INGV-Roma 122198091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-19 12:21:29 ± 0.21
Latitude 42.5938 ± 0.0072
Longitude 13.2282 ± 0.0098
Depth (km) 18 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122198091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 743
Semi-minor axis of confidence ellipse (meter) 722
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 101
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 87
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30217
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 122198091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-19 12:33:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIB.HHZ. 2023-10-19T12:23:28.29 3.0 undecidable manual Sn -7.54 0
IV.ZEN8.EHZ. 2023-10-19T12:23:19.51 3.0 undecidable manual Sg 15.12 0
IV.ACATE.HNZ. 2023-10-19T12:23:12.06 3.0 positive manual Pg 18 0
IV.PTCC.HHZ. 2023-10-19T12:23:10.75 3.0 undecidable manual Sn -0.44 0
ST.RONC.HNZ. 2023-10-19T12:22:38.87 3.0 negative manual Pg 11.77 0
IV.IMOL.EHZ. 2023-10-19T12:22:30.85 3.0 undecidable manual Sn 2.22 0
IV.NDIM.HNZ. 2023-10-19T12:22:21.05 3.0 undecidable manual Pg 7.9 0
IV.RIBO.EHZ.01 2023-10-19T12:22:19.40 3.0 undecidable manual Sn -0.07 0
IV.PARC.HHZ. 2023-10-19T12:22:07.57 3.0 undecidable manual S -1.8 0
IV.RIBO.EHZ.01 2023-10-19T12:21:59.64 3.0 undecidable manual Pg 2.35 0
IV.SFI.EHZ. 2023-10-19T12:21:58.40 3.0 positive manual Pn 1.61 0
IV.BSSO.HHZ. 2023-10-19T12:21:57.65 3.0 undecidable manual P 1.27 0
TV.SF11.HHZ. 2023-10-19T12:21:50.33 3.0 undecidable manual P -0.49 0
IV.GIUL.HHZ. 2023-10-19T12:21:49.44 3.0 undecidable manual P -1.27 0
IV.NRCA.HHZ. 2023-10-19T12:21:39.52 0.3 undecidable manual S 341 28.1496 112 0.01 74
IV.MTRA.HNZ. 2023-10-19T12:21:38.15 0.6 undecidable manual S 37 22.6551 119 -0.04 49
IV.LNSS.HHZ. 2023-10-19T12:21:36.47 0.6 undecidable manual S 274 15.3735 132 -0.11 50
IV.CAMP.HHE. 2023-10-19T12:21:36.57 0.6 undecidable manual S 113 16.0728 130 -0.16 49
IV.SMA1.EHZ. 2023-10-19T12:21:35.68 0.6 undecidable manual S 65 9.6792 147 0.1 51
IV.GIGS.HHZ. 2023-10-19T12:21:35.82 1.0 positive manual P 119 32.2455 108 0.1 24
IV.NRCA.HHZ. 2023-10-19T12:21:35.26 0.1 undecidable manual P 341 28.1496 112 0.13 97
7F.SIB3.EHZ. 2023-10-19T12:21:35.83 0.1 undecidable manual P 6 31.3464 109 0.23 94
IV.TERO.HHZ. 2023-10-19T12:21:35.41 0.1 undecidable manual P 84 30.8469 110 -0.11 96
IV.RM33.EHZ. 2023-10-19T12:21:35.20 0.6 undecidable manual S 187 9.4794 147 -0.36 47
7F.SIB2.EHZ. 2023-10-19T12:21:35.11 0.1 undecidable manual P 11 33.5442 108 -0.81 78
IV.MTRA.HNZ. 2023-10-19T12:21:34.42 0.1 undecidable manual P 37 22.6551 119 0.05 100
IV.SMA1.EHZ. 2023-10-19T12:21:33.17 0.1 undecidable manual P 65 9.6792 147 0.31 97
IV.LNSS.HHZ. 2023-10-19T12:21:33.54 0.1 undecidable manual P 274 15.3735 132 0.09 99
IV.CAMP.HHE. 2023-10-19T12:21:33.61 0.1 undecidable manual P 113 16.0728 130 0.08 100
IV.RM33.EHZ. 2023-10-19T12:21:32.98 0.1 positive manual P 187 9.4794 147 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:1.6 0.000356 0.32 AML other m 2023-10-19T12:21:35.49
IV.RM33.EHN. ML:1.6 0.00032499999999999993 0.32 AML other m 2023-10-19T12:21:35.33
IV.RM33.HNE. ML:1.6 0.0003765 0.34 AML other m 2023-10-19T12:21:35.57
IV.RM33.EHE. ML:1.6 0.00036449999999999997 0.16 AML other m 2023-10-19T12:21:35.57
IV.SMA1.EHE. ML:2.1 0.0009995 0.34 AML other m 2023-10-19T12:21:36.19
IV.SMA1.EHN. ML:1.7 0.00043 0.1 AML other m 2023-10-19T12:21:36.23
IV.LNSS.HHE. ML:1.7 0.00036199999999999996 0.34 AML other m 2023-10-19T12:21:36.80
IV.LNSS.HHN. ML:1.5 0.000217 0.36 AML other m 2023-10-19T12:21:36.82
IV.NRCA.HHN. ML:1.5 0.00014150000000000002 1.28 AML other m 2023-10-19T12:21:40.64
IV.NRCA.HHE. ML:1.6 0.00017649999999999998 0.14 AML other m 2023-10-19T12:21:40.04
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