Earthquake with magnitude of ML 1.1 on date 14-12-2023 and time 15:53:34 (Italy) in region 8 km NW Accumoli (RI)

A magnitude ML 1.1 earthquake occured in region: 8 km NW Accumoli (RI), on

  • 14-12-2023 14:53:34 (UTC)
  • 14-12-2023 15:53:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7550, 13.1910 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
Accumoli RI 8 667 667
Norcia PG 9 4957 5624
Arquata del Tronto AP 9 1178 6802
Cascia PG 15 3217 10019
Cittareale RI 15 482 10501
Montegallo AP 15 523 11024
Castelsantangelo sul Nera MC 16 281 11305
Amatrice RI 16 2657 13962
Acquasanta Terme AP 18 2916 16878
Preci PG 19 724 17602
Montemonaco AP 20 604 18206

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
48 Km NW of L'Aquila (69753 inhabitants)
49 Km E of Terni (111501 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
90 Km W of Pescara (121014 inhabitants)
92 Km W of Chieti (51815 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km NE of Tivoli (56533 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
100 Km S of Ancona (100861 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 2023-12-14
14:53:34
42.7548 13.1907 9 2023-12-14
15:08:07
Sala Sismica INGV-Roma 124022031
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-14 14:53:34 ± 0.1
Latitude 42.7548 ± 0.0045
Longitude 13.1907 ± 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 124022031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 557
Semi-minor axis of confidence ellipse (meter) 87
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 303
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33725
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 9
Type of magnitude ML
Reference to an origin 124022031
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-14 15:08:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-12-14T14:53:47.93 0.6 undecidable manual S 2 37.4292 50 0.41 45
IV.GAVE.HNZ. 2023-12-14T14:53:44.19 0.6 undecidable manual S 254 25.1526 110 0.27 47
IV.LNSS.HHZ. 2023-12-14T14:53:42.96 0.6 undecidable manual S 216 20.868 114 0.43 46
IV.MC2.EHE. 2023-12-14T14:53:41.79 0.3 undecidable manual S 360 17.3715 118 0.34 70
IV.CSP1.EHZ. 2023-12-14T14:53:41.89 0.3 undecidable manual P 2 37.4292 50 -0.19 70
7F.SIB1.EHZ. 2023-12-14T14:53:41.26 0.6 undecidable manual S 23 16.7721 118 -0.01 50
IV.MTRA.EHE. 2023-12-14T14:53:41.72 0.6 undecidable manual S 89 16.7721 119 0.46 46
IV.NRCA.HHZ. 2023-12-14T14:53:39.29 0.6 undecidable manual S 325 10.6782 130 -0.23 49
IV.LNSS.HHZ. 2023-12-14T14:53:39.12 0.3 undecidable manual P 216 20.868 114 -0.08 74
IV.GAVE.HNZ. 2023-12-14T14:53:39.85 0.1 undecidable manual P 254 25.1526 110 -0.15 96
IV.MTRA.EHE. 2023-12-14T14:53:38.29 0.3 undecidable manual P 89 16.7721 119 -0.17 73
IV.MC2.EHE. 2023-12-14T14:53:38.54 0.1 undecidable manual P 360 17.3715 118 -0.03 100
IV.SMA1.EHZ. 2023-12-14T14:53:38.51 0.6 positive manual P 139 18.1707 117 -0.2 48
7F.SIB1.EHZ. 2023-12-14T14:53:38.30 0.1 undecidable manual P 23 16.7721 118 -0.17 97
IV.MF5.EHZ. 2023-12-14T14:53:37.80 3.0 positive manual P 0.46 0
IV.NRCA.HHZ. 2023-12-14T14:53:37.33 0.3 undecidable manual P 325 10.6782 130 -0.13 74
IV.FOSV.EHZ. 2023-12-14T14:53:37.63 3.0 undecidable manual P -0.13 0
IV.MMO1.EHZ. 2023-12-14T14:53:34.98 3.0 positive manual P -0.33 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:0.9 0.00005715000000000001 0.46 AML other m 2023-12-14T14:53:37.19
IV.FOSV.EHN. ML:0.8 0.000012206715 0.096 AML other m 2023-12-14T14:53:46.21
IV.FOSV.HNE. ML:1.8 0.00011092805 0.4736 AML other m 2023-12-14T14:53:43.95
IV.FOSV.HNN. ML:1.7 0.00008869447 0.5632 AML other m 2023-12-14T14:53:43.85
IV.MF5.EHE. ML:1.6 0.00014927375 2.2784 AML other m 2023-12-14T14:53:44.22
IV.SMA1.EHE. ML:0.7 0.000045706145 0.3776 AML other m 2023-12-14T14:53:45.87
IV.SMA1.EHN. ML:0.7 0.000045569165 0.5184 AML other m 2023-12-14T14:53:47.14
IV.LNSS.HNE. ML:1.1 0.00009750665999999999 0.6784 AML other m 2023-12-14T14:53:42.21
IV.LNSS.HNN. ML:1.4 0.00016851669999999998 2.1568 AML other m 2023-12-14T14:53:47.56
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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