Earthquake with magnitude of ML 1.2 on date 04-12-2023 and time 07:56:05 (UTC) in region 5 km W Cittareale (RI)

A magnitude ML 1.2 earthquake occured in region: 5 km W Cittareale (RI), on

  • 04-12-2023 07:56:05 (UTC)
  • 04-12-2023 08:56:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6310, 13.1030 at 9 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
Posta RI 12 694 1176
Cascia PG 12 3217 4393
Monteleone di Spoleto PG 13 599 4992
Borbona RI 13 617 5609
Leonessa RI 14 2435 8044
Accumoli RI 14 667 8711
Amatrice RI 15 2657 11368
Poggiodomo PG 17 117 11485
Montereale AQ 17 2581 14066
Norcia PG 18 4957 19023

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Terni (111501 inhabitants)
39 Km NW of L'Aquila (69753 inhabitants)
49 Km SE of Foligno (57155 inhabitants)
49 Km W of Teramo (54892 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
78 Km NE of Tivoli (56533 inhabitants)
79 Km SE of Perugia (166134 inhabitants)
85 Km E of Viterbo (67173 inhabitants)
87 Km W of Montesilvano (53738 inhabitants)
93 Km W of Chieti (51815 inhabitants)
93 Km W of Pescara (121014 inhabitants)
97 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 1.2 2023-12-04
07:56:05
42.6307 13.1033 9 2023-12-04
08:03:26
Sala Sismica INGV-Roma 123800911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-04 07:56:05 ± 0.12
Latitude 42.6307 ± 0.0090
Longitude 13.1033 ± 0.0061
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123800911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 921
Semi-minor axis of confidence ellipse (meter) 533
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 189
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36782
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 123800911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-04 08:03:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTMR.HNZ. 2023-12-04T07:57:31.80 3.0 undecidable manual Sg 16.35 0
IV.SELL.HHZ. 2023-12-04T07:57:24.45 3.0 undecidable manual Pg 14.58 0
IV.QLNO.HHZ. 2023-12-04T07:57:23.40 3.0 undecidable manual Sg 4.16 0
IV.SPS2.HHZ. 2023-12-04T07:57:21.07 3.0 undecidable manual Pg 16.4 0
GU.SATI.HHZ. 2023-12-04T07:57:07.02 3.0 undecidable manual Pg 14.83 0
OX.MARN.HHZ. 2023-12-04T07:56:54.72 3.0 undecidable manual Sn 0.9 0
IV.GIUL.HHZ. 2023-12-04T07:56:51.25 3.0 undecidable manual Sg 1.08 0
IV.NOCI.HHZ. 2023-12-04T07:56:51.95 3.0 positive manual Pn -1.01 0
IV.MRVN.HHZ. 2023-12-04T07:56:42.56 3.0 undecidable manual Pn -1.44 0
IV.VVLD.HHZ. 2023-12-04T07:56:39.25 3.0 undecidable manual Sn -4.9 0
7F.SIB1.EHE. 2023-12-04T07:56:17.68 0.3 undecidable manual S 25 32.2455 50 0.46 66
7F.SIB2.EHE. 2023-12-04T07:56:17.48 0.3 undecidable manual S 29 33.1446 50 0.02 72
IV.MTRA.HNE. 2023-12-04T07:56:15.68 0.3 undecidable manual S 60 27.6501 108 -0.14 71
IV.SFI.EHZ. 2023-12-04T07:56:14.61 3.0 undecidable manual S -3.13 0
IV.TERO.HHZ. 2023-12-04T07:56:13.19 3.0 undecidable manual P 91 40.8258 50 -0.49 22
IV.SMA1.EHZ. 2023-12-04T07:56:13.51 0.3 undecidable manual S 90 18.9699 116 0.51 67
IV.MC2.EHE. 2023-12-04T07:56:12.28 0.1 undecidable manual P 13 31.9458 50 -0.02 97
IV.GAVE.EHZ. 2023-12-04T07:56:12.45 0.3 undecidable manual S 292 18.3705 116 -0.37 69
IV.ARRO.EHE. 2023-12-04T07:56:12.56 0.3 undecidable manual P 258 28.1496 108 0.92 56
7F.SIB1.EHE. 2023-12-04T07:56:12.20 0.1 undecidable manual P 25 32.2455 50 -0.15 94
7F.SIB2.EHE. 2023-12-04T07:56:12.29 0.1 undecidable manual P 29 33.1446 50 -0.2 93
IV.RM33.EHZ. 2023-12-04T07:56:11.85 0.3 undecidable manual S 146 16.2726 119 -0.33 70
IV.MTRA.HNE. 2023-12-04T07:56:11.35 0.1 undecidable manual P 60 27.6501 108 -0.2 94
IV.SMA1.EHZ. 2023-12-04T07:56:10.10 0.1 undecidable manual P 90 18.9699 116 0.18 96
IV.RM33.EHZ. 2023-12-04T07:56:09.28 0.1 undecidable manual P 146 16.2726 119 -0.17 97
IV.GAVE.EHZ. 2023-12-04T07:56:09.64 0.1 undecidable manual P 292 18.3705 116 -0.17 96
IV.LNSS.HHZ. 2023-12-04T07:56:09.65 0.3 undecidable manual S 239 5.994 147 0.16 74
IV.LNSS.HHZ. 2023-12-04T07:56:07.98 0.1 undecidable manual P 239 5.994 147 0.09 100
IV.SFI.EHZ. 2023-12-04T07:56:02.37 3.0 undecidable manual P -3.56 0
IV.ARVD.HHZ. 2023-12-04T07:56:00.27 3.0 negative manual P 0.51 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.5 0.000508 0.16 AML other m 2023-12-04T07:56:09.69
IV.LNSS.HHN. ML:1.3 0.00037600299999999997 0.096 AML other m 2023-12-04T07:56:09.80
IV.GAVE.EHE. ML:1.2 0.00011474885 0.1856 AML other m 2023-12-04T07:56:13.82
IV.SMA1.EHN. ML:1.2 0.00011949999999999999 0.26 AML other m 2023-12-04T07:56:13.91
IV.GAVE.EHN. ML:0.9 0.00007235 1.04 AML other m 2023-12-04T07:56:13.83
IV.SMA1.EHE. ML:1.0 0.00007292993 0.2176 AML other m 2023-12-04T07:56:13.94
IV.ARVD.HHE. ML:1.2 0.000017177241 0.0576 AML other m 2023-12-04T07:56:01.67
IV.ARVD.HHN. ML:1.2 0.000016598085 0.064 AML other m 2023-12-04T07:56:07.75
IV.LNSS.HNE. ML:1.5 0.0005134997 0.1536 AML other m 2023-12-04T07:56:09.77
IV.LNSS.HNN. ML:1.3 0.00033802055000000004 0.1216 AML other m 2023-12-04T07:56:09.80
IV.RM33.EHE. ML:0.6 0.000039084085000000006 0.16 AML other m 2023-12-04T07:56:13.36
IV.RM33.EHN. ML:0.6 0.000037580415 0.1216 AML other m 2023-12-04T07:56:13.01
IV.RM33.HNE. ML:1.2 0.00013665141 0.7104 AML other m 2023-12-04T07:56:20.47
IV.RM33.HNN. ML:1.1 0.00012100395 0.7744 AML other m 2023-12-04T07:56:19.31
IV.GAVE.HNE. ML:1.2 0.00013117191 0.1984 AML other m 2023-12-04T07:56:13.05
IV.GAVE.HNN. ML:1.4 0.00019228285000000002 0.8704 AML other m 2023-12-04T07:56:10.50
IV.TERO.HHE. ML:1.0 0.00002902992 0.896 AML other m 2023-12-04T07:56:53.46
IV.TERO.HHN. ML:0.2 0.0000047694345 0.704 AML other m 2023-12-04T07:56:30.41
IV.TERO.HNE. ML:1.6 0.00012018933 0.768 AML other m 2023-12-04T07:56:43.63
IV.TERO.HNN. ML:1.4 0.00008863232000000001 0.6912 AML other m 2023-12-04T07:56:30.37
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