Earthquake with magnitude of ML 1.1 on date 04-12-2023 and time 05:49:51 (Italy) in region 3 km NE Barete (AQ)

A magnitude ML 1.1 earthquake occured in region: 3 km NE Barete (AQ), on

  • 04-12-2023 04:49:51 (UTC)
  • 04-12-2023 05:49:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4720, 13.3080 at 14 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
Barete AQ 3 737 737
Pizzoli AQ 4 4326 5063
Capitignano AQ 6 665 5728
Cagnano Amiterno AQ 7 1369 7097
Montereale AQ 8 2581 9678
Campotosto AQ 11 542 10220
Scoppito AQ 12 3727 13947
Borbona RI 15 617 14564
L'Aquila AQ 15 69753 84317
Crognaleto TE 17 1297 85614
Amatrice RI 18 2657 88271
Posta RI 18 694 88965
Antrodoco RI 20 2588 91553
Tornimparte AQ 20 3187 94740

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of L'Aquila (69753 inhabitants)
39 Km SW of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km W of Chieti (51815 inhabitants)
73 Km SE of Foligno (57155 inhabitants)
74 Km W of Pescara (121014 inhabitants)
93 Km NE of Roma (2864731 inhabitants)
98 Km NE of Velletri (53303 inhabitants)
99 Km E of Viterbo (67173 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 1.1 2023-12-04
04:49:51
42.4715 13.3078 14 2023-12-04
04:54:08
Sala Sismica INGV-Roma 123793551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-04 04:49:51 ± 0.26
Latitude 42.4715 ± 0.0135
Longitude 13.3078 ± 0.0098
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123793551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1135
Semi-minor axis of confidence ellipse (meter) 1074
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
Circular confidence region, given by single value of horizontal uncertainty (meter) 1130.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28958
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 123793551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-04 04:54:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2023-12-04T04:50:01.24 0.3 undecidable manual S 55 29.4483 101 -0.39 71
IV.MF5.EHZ. 2023-12-04T04:50:00.79 3.0 negative manual P -1.21 0
IV.NRCA.HHZ. 2023-12-04T04:49:59.32 3.0 negative manual P -0.15 0
IV.GIGS.HHZ. 2023-12-04T04:49:59.32 0.3 undecidable manual S 95 21.7671 108 -0.33 73
IV.SMA1.EHZ. 2023-12-04T04:49:58.62 0.3 undecidable manual S 7 17.7711 115 -0.03 79
IV.FAGN.HHE. 2023-12-04T04:49:57.98 1.0 undecidable manual P 135 32.1456 100 0.34 24
IV.CAMP.HHZ. 2023-12-04T04:49:57.51 0.1 undecidable manual S 49 10.878 133 0.38 100
IV.TERO.HHZ. 2023-12-04T04:49:57.13 0.6 negative manual P 55 29.4483 101 -0.1 51
IV.GIGS.HHZ. 2023-12-04T04:49:56.14 1.0 positive manual P 95 21.7671 108 0.05 26
IV.LNSS.HHZ. 2023-12-04T04:49:56.91 0.3 undecidable manual P 304 26.2515 103 0.16 75
IV.RM33.EHZ. 2023-12-04T04:49:56.24 0.3 undecidable manual S 299 8.6802 141 -0.49 73
MN.AQU.HHE. 2023-12-04T04:49:55.28 0.3 undecidable manual P 149 15.2736 121 0.11 78
IV.SMA1.EHZ. 2023-12-04T04:49:55.76 0.3 negative manual P 7 17.7711 115 0.25 75
IV.RM33.EHZ. 2023-12-04T04:49:54.44 0.3 positive manual P 299 8.6802 141 0.04 80
IV.CAMP.HHZ. 2023-12-04T04:49:54.78 1.0 positive manual P 49 10.878 133 0.14 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:0.9 0.00008265 1.18 AML other m 2023-12-04T04:49:56.29
IV.RM33.EHE. ML:0.8 0.00007225000000000001 0.24 AML other m 2023-12-04T04:49:56.42
IV.SMA1.EHE. ML:1.2 0.00011549999999999999 0.26 AML other m 2023-12-04T04:49:59.14
IV.SMA1.EHN. ML:1.3 0.00014350000000000002 0.4 AML other m 2023-12-04T04:49:59.37
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