Earthquake with magnitude of ML 0.9 on date 11-10-2023 and time 05:47:06 (Italy) in region 1 km SE Accumoli (RI)

A magnitude ML 0.9 earthquake occured in region: 1 km SE Accumoli (RI), on

  • 11-10-2023 03:47:06 (UTC)
  • 11-10-2023 05:47:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6890, 13.2580 at 11 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 1 667 667
Amatrice RI 7 2657 3324
Arquata del Tronto AP 10 1178 4502
Cittareale RI 11 482 4984
Acquasanta Terme AP 15 2916 7900
Campotosto AQ 17 542 8442
Norcia PG 18 4957 13399
Montegallo AP 18 523 13922
Montereale AQ 18 2581 16503
Capitignano AQ 19 665 17168

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km W of Teramo (54892 inhabitants)
39 Km NW of L'Aquila (69753 inhabitants)
52 Km E of Terni (111501 inhabitants)
54 Km SE of Foligno (57155 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
82 Km W of Pescara (121014 inhabitants)
84 Km W of Chieti (51815 inhabitants)
85 Km SE of Perugia (166134 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km NE of Tivoli (56533 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 0.9 2023-10-11
03:47:06
42.6892 13.2583 11 2023-10-11
03:54:43
Sala Sismica INGV-Roma 121974471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-11 03:47:06 ± 0.06
Latitude 42.6892 ± 0.0036
Longitude 13.2583 ± 0.0073
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121974471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 612
Semi-minor axis of confidence ellipse (meter) 327
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 248
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) 82
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 23
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) 0.40469
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 121974471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-11 03:54:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2023-10-11T03:48:15.82 3.0 undecidable manual Sn 2.24 0
IV.CSNT.HHZ. 2023-10-11T03:47:58.81 3.0 undecidable manual Sn 0.57 0
IV.GIUL.HHZ. 2023-10-11T03:47:29.62 3.0 positive manual P 0.48 0
IV.CSP1.EHZ. 2023-10-11T03:47:21.42 0.6 undecidable manual S 354 44.9217 50 0.04 48
IV.FIAM.HHZ. 2023-10-11T03:47:20.14 3.0 undecidable manual S -4.2 0
IV.GIGS.HHZ. 2023-10-11T03:47:18.86 0.6 undecidable manual S 135 36.6411 50 -0.33 46
IV.TERO.HHZ. 2023-10-11T03:47:16.75 0.6 undecidable manual S 104 29.1486 50 -0.43 45
IV.MC2.EHZ. 2023-10-11T03:47:16.32 0.6 undecidable manual S 347 25.2525 50 0.17 48
7F.SIB2.EHN. 2023-10-11T03:47:15.06 0.6 undecidable manual S 9 22.755 50 -0.4 46
IV.CSP1.EHZ. 2023-10-11T03:47:15.27 1.0 undecidable manual P 354 44.9217 50 0.03 24
7F.SIB1.EHZ. 2023-10-11T03:47:15.50 0.6 undecidable manual S 2 22.8549 50 0.01 50
IV.LNSS.HHZ. 2023-10-11T03:47:14.60 0.6 undecidable manual S 242 20.1687 118 -0.15 49
7F.SIB3.EHN. 2023-10-11T03:47:14.59 0.6 undecidable manual S 3 20.6682 117 -0.31 47
IV.GUMA.HHZ. 2023-10-11T03:47:14.42 3.0 positive manual P -0.49 0
IV.NRCA.HHZ. 2023-10-11T03:47:14.24 0.6 undecidable manual S 324 19.869 118 -0.41 46
IV.MF5.EHZ. 2023-10-11T03:47:14.42 0.1 undecidable manual P 26 36.9297 50 0.41 90
IV.RM33.HNE. 2023-10-11T03:47:14.62 0.6 undecidable manual S 190 20.2686 118 -0.16 49
IV.GIGS.HHZ. 2023-10-11T03:47:13.82 1.0 positive manual P 135 36.6411 50 -0.15 24
IV.MC2.EHZ. 2023-10-11T03:47:12.75 0.1 undecidable manual P 347 25.2525 50 0.53 89
IV.TERO.HHZ. 2023-10-11T03:47:12.67 1.0 positive manual P 104 29.1486 50 -0.14 24
IV.NRCA.HHZ. 2023-10-11T03:47:11.27 0.1 negative manual P 324 19.869 118 -0.08 99
7F.SIB1.EHZ. 2023-10-11T03:47:11.82 0.1 undecidable manual P 2 22.8549 50 -0.01 100
IV.RM33.HNE. 2023-10-11T03:47:11.46 0.1 undecidable manual P 190 20.2686 118 0.03 100
IV.LNSS.HHZ. 2023-10-11T03:47:11.45 0.3 undecidable manual P 242 20.1687 118 0.04 75
7F.SIB3.EHN. 2023-10-11T03:47:11.47 0.1 undecidable manual P 3 20.6682 117 -0.02 100
IV.SMA1.EHZ. 2023-10-11T03:47:11.80 0.6 undecidable manual S 136 9.0798 140 0.13 50
7F.SIB2.EHN. 2023-10-11T03:47:11.64 0.1 undecidable manual P 9 22.755 50 -0.18 96
IV.SMA1.EHZ. 2023-10-11T03:47:09.94 0.1 negative manual P 136 9.0798 140 0.31 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:0.7 0.00005795 0.86 AML other m 2023-10-11T03:47:12.31
IV.SMA1.EHN. ML:0.6 0.000057 0.84 AML other m 2023-10-11T03:47:13.90
IV.NRCA.HHN. ML:1.1 0.00008335 0.68 AML other m 2023-10-11T03:47:14.68
IV.LNSS.HHN. ML:0.9 0.00005255 0.14 AML other m 2023-10-11T03:47:14.88
IV.NRCA.HHE. ML:1.3 0.00014350000000000002 0.68 AML other m 2023-10-11T03:47:15.55
IV.LNSS.HHE. ML:0.9 0.000056349999999999994 0.18 AML other m 2023-10-11T03:47:15.50
IV.TERO.HHN. ML:0.8 0.000030050000000000002 0.5 AML other m 2023-10-11T03:47:17.82
IV.TERO.HHE. ML:0.7 0.00002485 0.78 AML other m 2023-10-11T03:47:19.53
IV.GUMA.HHE. ML:1.2 0.00004835 0.22 AML other m 2023-10-11T03:47:21.77
IV.GUMA.HHN. ML:1.0 0.00003145 0.36 AML other m 2023-10-11T03:47:22.18
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download