Earthquake with magnitude of ML 1.4 on date 19-10-2023 and time 13:26:08 (UTC) in region 5 km SE Polino (TR)

A magnitude ML 1.4 earthquake occured in region: 5 km SE Polino (TR), on

  • 19-10-2023 13:26:08 (UTC)
  • 19-10-2023 15:26:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5560, 12.8940 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Polino TR 5 233 233
Rivodutri RI 5 1253 1486
Leonessa RI 6 2435 3921
Poggio Bustone RI 6 2055 5976
Morro Reatino RI 6 373 6349
Labro RI 8 374 6723
Cantalice RI 10 2755 9478
Arrone TR 11 2763 12241
Ferentillo TR 11 1913 14154
Colli sul Velino RI 11 533 14687
Montefranco TR 11 1276 15963
Monteleone di Spoleto PG 12 599 16562
Greccio RI 15 1558 18120
Rieti RI 17 47698 65818
Posta RI 17 694 66512
Micigliano RI 18 127 66639
Poggiodomo PG 18 117 66756
Scheggino PG 18 461 67217
Contigliano RI 19 3783 71000
Cittaducale RI 19 6828 77828
Stroncone TR 20 4917 82745

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km E of Terni (111501 inhabitants)
47 Km W of L'Aquila (69753 inhabitants)
47 Km SE of Foligno (57155 inhabitants)
63 Km N of Guidonia Montecelio (88673 inhabitants)
66 Km N of Tivoli (56533 inhabitants)
66 Km E of Viterbo (67173 inhabitants)
67 Km W of Teramo (54892 inhabitants)
74 Km SE of Perugia (166134 inhabitants)
81 Km NE of Roma (2864731 inhabitants)
97 Km N of Velletri (53303 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 1.4 2023-10-19
13:26:08
42.556 12.8942 11 2023-10-19
13:37:43
Sala Sismica INGV-Roma 122199991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-19 13:26:08 ± 0.05
Latitude 42.5560 ± 0.0027
Longitude 12.8942 ± 0.0049
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 122199991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 361
Semi-minor axis of confidence ellipse (meter) 309
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33185
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 122199991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-19 13:37:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARCI.HHZ. 2023-10-19T13:26:44.98 3.0 undecidable manual S -0.06 0
IV.ARRO.EHN. 2023-10-19T13:26:42.51 0.6 undecidable manual S 10.7781 2.837 0
IV.ARRO.EHN. 2023-10-19T13:26:40.35 0.1 undecidable manual P 10.7781 2.843 0
IV.FIAM.HHZ. 2023-10-19T13:26:21.20 0.3 undecidable manual S 150 36.8298 50 -0.09 72
IT.MMP1.HGN. 2023-10-19T13:26:20.94 0.6 undecidable manual S 199 36.0417 50 -0.15 48
IV.NRCA.HHZ. 2023-10-19T13:26:20.87 0.6 undecidable manual S 30 35.6421 50 -0.11 48
IV.RM33.EHZ. 2023-10-19T13:26:18.59 0.3 undecidable manual S 101 26.751 50 0 75
IV.FIAM.HHZ. 2023-10-19T13:26:16.14 0.1 undecidable manual P 150 36.8298 50 0.09 97
IT.MMP1.HGN. 2023-10-19T13:26:15.87 0.1 undecidable manual P 199 36.0417 50 -0.07 97
IV.NRCA.HHZ. 2023-10-19T13:26:15.90 0.1 undecidable manual P 30 35.6421 50 0.03 98
IV.GAVE.EHE. 2023-10-19T13:26:15.04 0.6 undecidable manual S 0 15.0738 125 -0.25 48
IV.CESX.HHZ. 2023-10-19T13:26:14.55 1.0 undecidable manual P 283 25.752 50 0.2 24
IV.LNSS.HHZ. 2023-10-19T13:26:14.56 0.3 undecidable manual S 66 12.9759 129 -0.16 74
IV.RM33.EHZ. 2023-10-19T13:26:14.58 0.1 positive manual P 101 26.751 50 0.08 98
IV.GAVE.EHE. 2023-10-19T13:26:12.69 0.1 undecidable manual P 0 15.0738 125 0.1 100
IV.LNSS.HHZ. 2023-10-19T13:26:12.41 0.1 undecidable manual P 66 12.9759 129 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.4 0.0001395 0.98 AML other m 2023-10-19T13:26:19.34
IV.NRCA.HHE. ML:1.5 0.00011865 0.1 AML other m 2023-10-19T13:26:21.87
IV.NRCA.HHN. ML:1.4 0.00009045 0.42 AML other m 2023-10-19T13:26:21.78
IV.RM33.EHE. ML:1.2 0.00009359999999999998 1.26 AML other m 2023-10-19T13:26:22.83
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