Earthquake with magnitude of ML 1.6 on date 13-12-2023 and time 09:34:15 (Italy) in region 2 km NW Castel Sant'Angelo (RI)

A magnitude ML 1.6 earthquake occured in region: 2 km NW Castel Sant'Angelo (RI), on

  • 13-12-2023 08:34:15 (UTC)
  • 13-12-2023 09:34:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4120, 13.0160 at 6 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
Castel Sant'Angelo RI 2 1308 1308
Borgo Velino RI 4 972 2280
Antrodoco RI 5 2588 4868
Micigliano RI 6 127 4995
Cittaducale RI 6 6828 11823
Concerviano RI 10 291 12114
Cantalice RI 11 2755 14869
Rieti RI 13 47698 62567
Petrella Salto RI 14 1197 63764
Posta RI 14 694 64458
Belmonte in Sabina RI 14 636 65094
Poggio Bustone RI 15 2055 67149
Borbona RI 15 617 67766
Longone Sabino RI 16 597 68363
Rocca Sinibalda RI 17 815 69178
Leonessa RI 17 2435 71613
Rivodutri RI 18 1253 72866
Cagnano Amiterno AQ 18 1369 74235
Fiamignano RI 19 1413 75648
Varco Sabino RI 19 187 75835
Morro Reatino RI 20 373 76208

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of L'Aquila (69753 inhabitants)
35 Km E of Terni (111501 inhabitants)
52 Km NE of Guidonia Montecelio (88673 inhabitants)
53 Km NE of Tivoli (56533 inhabitants)
63 Km W of Teramo (54892 inhabitants)
66 Km SE of Foligno (57155 inhabitants)
72 Km NE of Roma (2864731 inhabitants)
75 Km E of Viterbo (67173 inhabitants)
83 Km N of Velletri (53303 inhabitants)
93 Km NE of Pomezia (62966 inhabitants)
93 Km SE of Perugia (166134 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
95 Km W of Chieti (51815 inhabitants)
96 Km NE of Aprilia (73446 inhabitants)
96 Km NE of Fiumicino (78395 inhabitants)
99 Km W of Pescara (121014 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 1.6 2023-12-13
08:34:15
42.4117 13.0158 7 2023-12-13
08:52:03
Sala Sismica INGV-Roma 123992971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-13 08:34:15 ± 0.1
Latitude 42.4117 ± 0.0045
Longitude 13.0158 ± 0.0061
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123992971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 480
Semi-minor axis of confidence ellipse (meter) 300
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 49
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.68259
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 19
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 123992971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-13 08:52:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SALB.HHZ. 2023-12-13T08:35:55.76 3.0 undecidable manual Sn 0.3 0
GU.RSP.HHZ. 2023-12-13T08:35:45.41 3.0 undecidable manual Pg 15.28 0
IV.LEVAN.EHZ. 2023-12-13T08:35:21.05 3.0 undecidable manual Pn -2.46 0
OX.MPRI.HHZ. 2023-12-13T08:35:18.57 3.0 positive manual Pn 4.09 0
IV.BRSN.HNZ. 2023-12-13T08:35:15.10 3.0 undecidable manual Sn -0.1 0
IV.CTI.HHZ. 2023-12-13T08:35:14.19 3.0 undecidable manual Pn 0.67 0
IV.SFI.EHZ. 2023-12-13T08:35:11.21 3.0 undecidable manual Sg 2.74 0
GE.MATE.HHZ. 2023-12-13T08:35:09.26 3.0 undecidable manual Pn 1.41 0
IV.PTRJ.HHZ. 2023-12-13T08:35:06.16 3.0 undecidable manual S 0.27 0
IV.CSNT.HHZ. 2023-12-13T08:34:46.74 3.0 positive manual Pg 2.34 0
IV.ASSB.HHZ. 2023-12-13T08:34:39.76 0.3 undecidable manual S 338 75.7686 50 0.11 68
IV.MF5.EHZ. 2023-12-13T08:34:38.66 1.0 undecidable manual S 29 73.4709 50 -0.36 22
IV.FDMO.HHZ. 2023-12-13T08:34:38.56 0.1 undecidable manual S 5 69.5748 50 0.58 82
IV.MOMA.HHE. 2023-12-13T08:34:35.40 0.3 undecidable manual S 320 56.6988 50 0.84 56
7F.SIB2.EHN. 2023-12-13T08:34:34.89 0.3 undecidable manual S 24 58.0974 50 -0.05 71
IV.NRCA.HHZ. 2023-12-13T08:34:32.04 0.1 undecidable manual S 10 47.5191 50 -0.05 96
IV.ASSB.HHZ. 2023-12-13T08:34:29.20 1.0 undecidable manual P 338 75.7686 50 -0.43 21
IV.MF5.EHZ. 2023-12-13T08:34:29.50 0.1 undecidable manual P 29 73.4709 50 0.23 88
IV.CAMP.HHE. 2023-12-13T08:34:28.34 0.3 undecidable manual S 67 35.0427 100 0.06 74
IV.SMA1.EHZ. 2023-12-13T08:34:28.66 0.1 undecidable manual S 47 35.6421 100 0.15 97
IV.FDMO.HHZ. 2023-12-13T08:34:27.99 0.1 undecidable manual P 5 69.5748 50 -0.68 79
IV.CESI.HHZ. 2023-12-13T08:34:27.69 1.0 positive manual P 352 66.4779 50 -0.5 21
IV.GAVE.HNE. 2023-12-13T08:34:27.50 0.1 undecidable manual S 342 32.6451 101 0 100
IV.MOMA.HHE. 2023-12-13T08:34:26.81 0.6 undecidable manual P 320 56.6988 50 0.12 47
IV.ARRO.EHN. 2023-12-13T08:34:26.33 0.6 undecidable manual S 312 27.6501 103 0.54 45
7F.SIB2.EHN. 2023-12-13T08:34:26.23 0.6 undecidable manual P 24 58.0974 50 -0.68 40
IT.MMP1.HGN. 2023-12-13T08:34:26.63 1.0 undecidable manual S 231 28.3494 103 0.59 22
7F.SIB3.EHN. 2023-12-13T08:34:26.52 0.6 undecidable manual P 22 55.4001 50 0.03 48
IV.CERT.HHE. 2023-12-13T08:34:25.71 0.6 undecidable manual P 183 51.4152 50 -0.15 47
IV.NRCA.HHZ. 2023-12-13T08:34:24.40 1.0 positive manual P 10 47.5191 50 -0.86 19
IV.FIAM.HHZ. 2023-12-13T08:34:23.03 0.6 undecidable manual S 152 17.9709 110 0.47 47
IV.SMA1.EHZ. 2023-12-13T08:34:23.23 0.6 negative manual P 47 35.6421 100 0.03 49
IV.RM33.EHZ. 2023-12-13T08:34:23.24 0.6 undecidable manual S 56 19.5693 108 0.17 49
IV.CESX.HHZ. 2023-12-13T08:34:23.84 1.0 positive manual P 302 41.3253 50 -0.47 22
IV.LNSS.HHZ. 2023-12-13T08:34:23.65 0.3 undecidable manual S 5 21.3675 107 -0.01 76
IV.GAVE.HNE. 2023-12-13T08:34:22.22 0.3 undecidable manual P 342 32.6451 101 -0.39 69
IV.CAMP.HHE. 2023-12-13T08:34:22.66 0.3 undecidable manual P 67 35.0427 100 -0.4 69
MN.AQU.HNE. 2023-12-13T08:34:22.63 0.3 undecidable manual P 101 32.5452 101 0.05 74
IT.MMP1.HGN. 2023-12-13T08:34:21.47 0.6 undecidable manual P 231 28.3494 103 -0.3 47
IV.ARRO.EHN. 2023-12-13T08:34:21.34 0.1 undecidable manual P 312 27.6501 103 -0.28 95
IV.RM33.EHZ. 2023-12-13T08:34:20.30 0.1 negative manual P 56 19.5693 108 0.25 97
IV.LNSS.HHZ. 2023-12-13T08:34:20.34 0.3 negative manual P 5 21.3675 107 -0.06 76
IV.FIAM.HHZ. 2023-12-13T08:34:19.88 0.6 positive manual P 152 17.9709 110 0.12 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.8 0.00045850000000000003 0.3 AML other m 2023-12-13T08:34:24.37
IV.RM33.HNN. ML:1.8 0.0004845 0.32 AML other m 2023-12-13T08:34:24.21
IV.RM33.EHE. ML:1.7 0.00043555895 0.3584 AML other m 2023-12-13T08:34:24.41
IV.RM33.HNE. ML:1.7 0.00041217415 0.256 AML other m 2023-12-13T08:34:25.46
IV.LNSS.HHE. ML:1.7 0.000358 0.3 AML other m 2023-12-13T08:34:26.01
IV.LNSS.HNE. ML:1.7 0.000398 0.3 AML other m 2023-12-13T08:34:26.16
IV.FIAM.HNE. ML:1.6 0.00035387060000000004 0.3904 AML other m 2023-12-13T08:34:26.09
IV.LNSS.HHN. ML:1.9 0.0006134999999999999 0.32 AML other m 2023-12-13T08:34:26.44
IV.LNSS.HNN. ML:1.8 0.0005420707 0.32 AML other m 2023-12-13T08:34:26.28
IV.FIAM.HHN. ML:1.6 0.00033600000000000004 0.44 AML other m 2023-12-13T08:34:27.06
IV.FIAM.HNN. ML:1.6 0.000372 0.44 AML other m 2023-12-13T08:34:27.28
IV.FIAM.HHE. ML:1.5 0.00030765955000000003 0.3776 AML other m 2023-12-13T08:34:26.09
IV.SMA1.EHN. ML:1.5 0.00012410257500000002 0.4224 AML other m 2023-12-13T08:34:28.88
IV.NRCA.HHN. ML:1.4 0.00007000000000000001 1.04 AML other m 2023-12-13T08:34:34.33
IV.SMA1.EHE. ML:1.7 0.0002268007 0.3392 AML other m 2023-12-13T08:34:29.92
IV.NRCA.HHE. ML:1.4 0.000076633825 0.1408 AML other m 2023-12-13T08:34:35.17
IV.CESX.HHE. ML:1.1 0.00004535219 0.2944 AML other m 2023-12-13T08:34:32.24
IV.CESX.HHN. ML:1.3 0.000067096375 0.4032 AML other m 2023-12-13T08:34:31.84
IV.CESI.HHE. ML:1.2 0.00002982187 0.3776 AML other m 2023-12-13T08:34:43.14
IV.CESI.HHN. ML:1.5 0.000060799485 0.3392 AML other m 2023-12-13T08:34:41.35
IV.FDMO.HHE. ML:1.4 0.000042690275 0.2432 AML other m 2023-12-13T08:34:40.88
IV.FDMO.HHN. ML:1.4 0.000038051475 0.4608 AML other m 2023-12-13T08:34:41.43
IV.ASSB.HHE. ML:1.3 0.000030396230000000004 0.1984 AML other m 2023-12-13T08:34:44.19
IV.ASSB.HHN. ML:1.5 0.000045847015 0.32 AML other m 2023-12-13T08:34:45.22
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