Earthquake with magnitude of ML 0.7 on date 28-12-2023 and time 15:38:25 (Italy) in region 7 km NW Cittareale (RI)

A magnitude ML 0.7 earthquake occured in region: 7 km NW Cittareale (RI), on

  • 28-12-2023 14:38:25 (UTC)
  • 28-12-2023 15:38:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6770, 13.1190 at 15 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 7 482 482
Cascia PG 10 3217 3699
Accumoli RI 11 667 4366
Norcia PG 13 4957 9323
Monteleone di Spoleto PG 14 599 9922
Amatrice RI 15 2657 12579
Poggiodomo PG 16 117 12696
Posta RI 17 694 13390
Leonessa RI 18 2435 15825
Arquata del Tronto AP 18 1178 17003
Borbona RI 18 617 17620
Montereale AQ 20 2581 20201

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Terni (111501 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
48 Km W of Teramo (54892 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
88 Km E of Viterbo (67173 inhabitants)
93 Km W of Pescara (121014 inhabitants)
93 Km W of Chieti (51815 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 0.7 2023-12-28
14:38:25
42.6773 13.1187 15 2023-12-28
14:45:08
Sala Sismica INGV-Roma 124324741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-28 14:38:25 ± 0.17
Latitude 42.6773 ± 0.0072
Longitude 13.1187 ± 0.0061
Depth (km) 15 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124324741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 613
Semi-minor axis of confidence ellipse (meter) 528
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 169
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 16
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) 0.36063
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 124324741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-28 14:45:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TUE.HHZ. 2023-12-28T14:39:58.21 3.0 undecidable manual Sn -8.07 0
IV.CTL8.HNZ. 2023-12-28T14:39:45.36 3.0 undecidable manual Sg 3.48 0
ST.CARE.EHZ. 2023-12-28T14:39:42.45 3.0 undecidable manual Sn -8.74 0
IV.ZEN8.EHZ. 2023-12-28T14:39:39.43 3.0 undecidable manual Sg 4.1 0
GU.STV.HHZ. 2023-12-28T14:39:35.18 3.0 undecidable manual Pg 14.39 0
IV.MBFT.HHZ. 2023-12-28T14:39:34.71 3.0 undecidable manual Pn -2.31 0
IV.PRMA.HNZ. 2023-12-28T14:39:29.00 3.0 undecidable manual Sg 1.9 0
IV.VAGA.HNZ. 2023-12-28T14:39:21.94 3.0 undecidable manual Sg 1.67 0
IV.TEOL.HHZ. 2023-12-28T14:39:19.81 3.0 undecidable manual Sg -0.49 0
IV.ZOVE.EHZ. 2023-12-28T14:38:59.32 3.0 negative manual Pg 6.13 0
IV.VMAN.HNZ. 2023-12-28T14:38:59.79 3.0 undecidable manual Pg 2.96 0
IV.PRMA.HNZ. 2023-12-28T14:38:58.24 3.0 undecidable manual Pg 3.25 0
IV.CTL8.HNZ. 2023-12-28T14:38:58.58 3.0 undecidable manual Pn -4.71 0
IV.SEI.HHZ. 2023-12-28T14:38:57.39 3.0 undecidable manual Sg -5.56 0
IV.CTI.HHZ. 2023-12-28T14:38:53.07 3.0 undecidable manual Pn -6.54 0
IV.TERO.HHZ. 2023-12-28T14:38:38.91 0.6 undecidable manual S 99 40.0266 98 -0.04 48
IV.CPGN.EHZ. 2023-12-28T14:38:38.23 3.0 undecidable manual Sg -3.59 0
IV.MC2.EHN. 2023-12-28T14:38:36.21 0.6 undecidable manual S 12 26.5512 105 0.79 40
IV.MMO1.EHZ. 2023-12-28T14:38:35.84 0.6 undecidable manual S 34 29.8479 103 -0.44 45
7F.SIB1.EHZ. 2023-12-28T14:38:35.71 0.6 undecidable manual S 27 27.0507 105 0.16 48
IV.GAVE.EHZ. 2023-12-28T14:38:33.25 0.6 undecidable manual S 275 18.3705 116 -0.12 49
IV.TERO.HHZ. 2023-12-28T14:38:33.29 1.0 undecidable manual P 99 40.0266 98 -0.07 24
IV.SMA1.EHZ. 2023-12-28T14:38:33.33 0.6 undecidable manual S 106 18.4704 116 -0.05 50
IV.RM33.EHZ. 2023-12-28T14:38:33.92 0.6 undecidable manual S 157 20.2686 113 0.1 49
IV.MC2.EHN. 2023-12-28T14:38:31.17 0.1 undecidable manual P 12 26.5512 105 -0.15 95
IV.MMO1.EHZ. 2023-12-28T14:38:31.80 0.1 undecidable manual P 34 29.8479 103 -0.02 97
7F.SIB1.EHZ. 2023-12-28T14:38:31.19 0.1 undecidable manual P 27 27.0507 105 -0.21 94
IV.LNSS.HHZ. 2023-12-28T14:38:31.31 0.6 undecidable manual S 218 10.4784 137 -0.35 47
IV.SMA1.EHZ. 2023-12-28T14:38:30.35 0.6 undecidable manual P 106 18.4704 116 0.21 48
IV.RM33.EHZ. 2023-12-28T14:38:30.58 0.6 negative manual P 157 20.2686 113 0.18 48
IV.GAVE.EHZ. 2023-12-28T14:38:30.29 0.1 negative manual P 275 18.3705 116 0.15 97
IV.LNSS.HHZ. 2023-12-28T14:38:29.22 0.1 undecidable manual P 218 10.4784 137 0.07 100
IV.FDMO.HHZ. 2023-12-28T14:38:24.90 3.0 negative manual P 0.89 0
IV.SSFR.HHZ. 2023-12-28T14:38:22.25 3.0 positive manual P 0.89 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.2 0.00013945715 0.1408 AML other m 2023-12-28T14:38:31.94
IV.LNSS.HHE. ML:1.2 0.0001405228 0.1152 AML other m 2023-12-28T14:38:32.05
IV.GAVE.EHE. ML:0.7 0.00003736226 0.1216 AML other m 2023-12-28T14:38:33.93
IV.GAVE.EHN. ML:0.7 0.00003442866 0.1792 AML other m 2023-12-28T14:38:34.61
IV.SMA1.EHN. ML:0.6 0.000023567024999999998 0.2176 AML other m 2023-12-28T14:38:35.24
IV.SMA1.EHE. ML:0.8 0.000040901550000000005 0.1856 AML other m 2023-12-28T14:38:33.80
IV.RM33.EHN. ML:0.5 0.0000196133 0.1216 AML other m 2023-12-28T14:38:34.41
IV.RM33.EHE. ML:0.5 0.000020775635 0.1024 AML other m 2023-12-28T14:38:34.71
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