Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 17-09-2024 and time 18:51:38 (UTC) in region 8 km W Cittareale (RI)

A magnitude ML 1.3 earthquake occured in region: 8 km W Cittareale (RI), on

  • 17-09-2024 18:51:38 (UTC)
  • 17-09-2024 20:51:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6390, 13.0710 at 11 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 8 482 482
Monteleone di Spoleto PG 10 599 1081
Cascia PG 10 3217 4298
Leonessa RI 12 2435 6733
Posta RI 13 694 7427
Poggiodomo PG 14 117 7544
Borbona RI 15 617 8161
Accumoli RI 16 667 8828
Norcia PG 17 4957 13785
Amatrice RI 18 2657 16442
Montereale AQ 19 2581 19023
Polino TR 20 233 19256

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Terni (111501 inhabitants)
42 Km NW of L'Aquila (69753 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
52 Km W of Teramo (54892 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
76 Km NE of Guidonia Montecelio (88673 inhabitants)
78 Km N of Tivoli (56533 inhabitants)
83 Km E of Viterbo (67173 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
96 Km W of Chieti (51815 inhabitants)
96 Km W of Pescara (121014 inhabitants)
96 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 1.3 2024-09-17
18:51:38		 42.6393 13.0712 11 2024-09-17
18:58:54		 Sala Sismica INGV-Roma 131526511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-09-17 18:51:38 ± 0.07
Latitude 42.6393 ± 0.0045
Longitude 13.0712 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 131526511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 502
Semi-minor axis of confidence ellipse (meter) 473
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 316
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46225
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 131526511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-09-17 18:58:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2024-09-17T18:51:54.80 0.6 undecidable manual S 12 51.3153 50 0.54 42
IV.CESI.HHZ. 2024-09-17T18:51:52.09 0.6 undecidable manual S 342 42.7239 50 0.14 47
IV.TERO.HHZ. 2024-09-17T18:51:51.88 0.6 undecidable manual S 92 43.5231 50 -0.28 45
IV.MMO1.HNZ. 2024-09-17T18:51:50.07 0.6 undecidable manual S 36 35.5422 50 0.03 48
7F.SIB2.EHN. 2024-09-17T18:51:49.58 0.6 undecidable manual S 34 33.744 50 0.02 48
IV.MC2.EHE. 2024-09-17T18:51:49.85 0.6 undecidable manual S 18 31.6461 50 0.85 38
7F.SIB3.EHE. 2024-09-17T18:51:48.57 0.6 undecidable manual S 32 30.747 50 -0.19 47
IV.CSP1.EHZ. 2024-09-17T18:51:47.42 0.1 undecidable manual P 12 51.3153 50 0.02 94
IV.ARRO.EHZ. 2024-09-17T18:51:47.00 0.6 undecidable manual S 255 25.8519 50 -0.44 45
IV.NRCA.HHZ. 2024-09-17T18:51:46.08 0.6 undecidable manual S 9 21.867 50 -0.29 47
IV.CESI.HHZ. 2024-09-17T18:51:46.29 0.1 undecidable manual P 342 42.7239 50 0.21 92
IV.SMA1.EHZ. 2024-09-17T18:51:46.48 0.6 undecidable manual S 93 21.5673 50 0.17 48
IV.TERO.HHZ. 2024-09-17T18:51:45.99 0.1 undecidable manual P 92 43.5231 50 -0.2 92
IV.MMO1.HNZ. 2024-09-17T18:51:44.91 0.1 undecidable manual P 36 35.5422 50 -0.06 96
ZO.PDN11.EHZ. 2024-09-17T18:51:44.33 0.6 undecidable manual S 14 16.4724 123 -0.57 44
7F.SIB3.EHE. 2024-09-17T18:51:44.05 0.1 undecidable manual P 32 30.747 50 -0.18 94
7F.SIB2.EHN. 2024-09-17T18:51:44.54 0.1 undecidable manual P 34 33.744 50 -0.15 94
IV.GAVE.EHZ. 2024-09-17T18:51:44.46 0.6 undecidable manual S 292 15.5733 125 -0.17 48
IV.MC2.EHE. 2024-09-17T18:51:44.34 0.1 undecidable manual P 18 31.6461 50 -0.02 97
IV.MOMA.HHZ. 2024-09-17T18:51:43.74 3.0 negative manual P -1.9 0
IV.SMA1.EHZ. 2024-09-17T18:51:43.07 0.3 negative manual P 93 21.5673 50 0.26 71
IV.ARRO.EHZ. 2024-09-17T18:51:43.40 0.6 negative manual P 255 25.8519 50 -0.07 49
IV.NRCA.HHZ. 2024-09-17T18:51:42.69 1.0 undecidable manual P 9 21.867 50 -0.16 24
IV.LNSS.HHZ. 2024-09-17T18:51:42.28 0.6 undecidable manual S 212 4.7952 156 0.13 50
IV.GAVE.EHZ. 2024-09-17T18:51:41.91 0.1 undecidable manual P 292 15.5733 125 0.06 99
ZO.PDN11.EHZ. 2024-09-17T18:51:41.99 0.1 undecidable manual P 14 16.4724 123 -0.01 100
IV.LNSS.HHZ. 2024-09-17T18:51:40.67 0.1 undecidable manual P 212 4.7952 156 0.26 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:1.4 0.0002165 0.18 AML other m 2024-09-17T18:51:44.59
IV.GAVE.EHN. ML:1.2 0.00013770585 0.08 AML other m 2024-09-17T18:51:45.31
IV.SMA1.EHN. ML:1.6 0.00027350000000000003 1.52 AML other m 2024-09-17T18:51:46.79
IV.SMA1.EHE. ML:1.6 0.00027100000000000003 0.42 AML other m 2024-09-17T18:51:46.99
IV.NRCA.HHE. ML:1.4 0.00016649999999999998 0.1 AML other m 2024-09-17T18:51:47.54
IV.NRCA.HHN. ML:1.3 0.0001375 0.64 AML other m 2024-09-17T18:51:47.86
IV.ARRO.EHE. ML:0.9 0.000046648849999999996 0.18 AML other m 2024-09-17T18:51:48.55
IV.ARRO.EHN. ML:0.8 0.00003917072 0.22 AML other m 2024-09-17T18:51:47.66
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