Earthquake with magnitude of ML 1.2 on date 11-11-2023 and time 10:27:51 (UTC) in region 4 km SW Accumoli (RI)

A magnitude ML 1.2 earthquake occured in region: 4 km SW Accumoli (RI), on

  • 11-11-2023 10:27:51 (UTC)
  • 11-11-2023 11:27:51 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6680, 13.2250 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
Accumoli RI 4 667 667
Amatrice RI 7 2657 3324
Cittareale RI 8 482 3806
Arquata del Tronto AP 13 1178 4984
Montereale AQ 16 2581 7565
Campotosto AQ 17 542 8107
Capitignano AQ 17 665 8772
Norcia PG 18 4957 13729
Cascia PG 18 3217 16946
Borbona RI 19 617 17563
Acquasanta Terme AP 19 2916 20479
Posta RI 19 694 21173

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of L'Aquila (69753 inhabitants)
39 Km W of Teramo (54892 inhabitants)
49 Km E of Terni (111501 inhabitants)
53 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
84 Km W of Pescara (121014 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km W of Chieti (51815 inhabitants)
86 Km NE of Tivoli (56533 inhabitants)
96 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 1.2 2023-11-11
10:27:51
42.6675 13.2252 14 2023-11-11
10:44:09
Sala Sismica INGV-Roma 123031711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-11 10:27:51 ± 0.04
Latitude 42.6675 ± 0.0018
Longitude 13.2252 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123031711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 316
Semi-minor axis of confidence ellipse (meter) 111
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 267
Circular confidence region, given by single value of horizontal uncertainty (meter) 320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48294
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 123031711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-11 10:44:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHZ. 2023-11-11T10:28:27.54 3.0 undecidable manual S -0.02 0
IV.ATVO.HHZ. 2023-11-11T10:28:09.20 3.0 negative manual P -0.46 0
IV.MML1.EHN. 2023-11-11T10:28:08.71 0.3 undecidable manual S 337 53.6019 94 0.3 67
IV.CESI.HNN. 2023-11-11T10:28:06.40 0.3 undecidable manual S 325 45.621 95 0.11 71
IV.FIAM.HHN. 2023-11-11T10:28:06.23 0.3 undecidable manual S 191 45.2214 95 0.06 71
IV.CSP1.EHZ. 2023-11-11T10:28:06.94 0.3 undecidable manual S 358 47.1195 95 0.26 69
IV.FDMO.HHZ. 2023-11-11T10:28:05.48 0.3 undecidable manual S 345 42.4242 96 0.04 72
IV.ASCOL.HNE. 2023-11-11T10:28:04.06 0.6 undecidable manual S 55 36.0417 97 0.32 46
IV.GIGS.HHZ. 2023-11-11T10:28:03.96 0.3 undecidable manual S 130 37.0296 97 -0.05 73
IV.TERO.HHZ. 2023-11-11T10:28:02.30 0.3 undecidable manual S 99 31.3464 99 -0.19 71
IV.MC2.EHN. 2023-11-11T10:28:01.50 0.3 undecidable manual S 354 27.2505 101 0.08 74
IV.MMO1.EHZ. 2023-11-11T10:28:01.40 0.3 undecidable manual S 18 27.0507 102 0.03 74
IV.MML1.EHN. 2023-11-11T10:28:01.65 0.3 undecidable manual P 337 53.6019 94 0.34 66
7F.SIB1.EHE. 2023-11-11T10:28:01.04 0.3 undecidable manual S 8 25.4523 103 0.08 74
IV.CESI.HNN. 2023-11-11T10:28:00.06 0.1 undecidable manual P 325 45.621 95 -0.03 95
7F.SIB3.EHE. 2023-11-11T10:28:00.13 0.3 undecidable manual S 9 23.3544 105 -0.28 71
IV.CSP1.EHZ. 2023-11-11T10:28:00.00 0.1 undecidable manual P 358 47.1195 95 -0.31 89
7F.SIB2.EHE. 2023-11-11T10:28:00.77 0.3 undecidable manual S 14 25.6521 103 -0.23 71
IV.FIAM.HHN. 2023-11-11T10:27:59.97 0.1 undecidable manual P 191 45.2214 95 -0.05 95
IV.NRCA.HHZ. 2023-11-11T10:27:59.33 0.3 undecidable manual S 334 20.5683 109 -0.36 70
IV.FDMO.HHZ. 2023-11-11T10:27:59.53 0.1 undecidable manual P 345 42.4242 96 -0.07 95
IV.RM33.EHZ. 2023-11-11T10:27:58.88 0.3 undecidable manual S 183 17.5713 114 -0.08 75
IV.MTRA.EHE. 2023-11-11T10:27:58.63 0.3 undecidable manual S 55 17.0718 115 -0.22 73
IV.GIGS.HHZ. 2023-11-11T10:27:58.74 0.1 positive manual P 130 37.0296 97 -0.03 97
IV.ASCOL.HNE. 2023-11-11T10:27:58.58 0.3 undecidable manual P 55 36.0417 97 -0.04 73
IV.LNSS.HHZ. 2023-11-11T10:27:58.41 0.3 undecidable manual S 245 16.6722 116 -0.33 71
7F.SIB1.EHE. 2023-11-11T10:27:57.18 0.1 positive manual P 8 25.4523 103 0.17 96
IV.TERO.HHZ. 2023-11-11T10:27:57.87 0.1 undecidable manual P 99 31.3464 99 -0.02 98
7F.SIB2.EHE. 2023-11-11T10:27:57.00 0.1 undecidable manual P 14 25.6521 103 -0.04 99
IV.SMA1.EHZ. 2023-11-11T10:27:57.31 0.3 undecidable manual S 114 9.879 136 0.05 75
IV.MMO1.EHZ. 2023-11-11T10:27:57.20 0.1 undecidable manual P 18 27.0507 102 -0.05 98
IV.MC2.EHN. 2023-11-11T10:27:57.43 0.1 undecidable manual P 354 27.2505 101 0.15 96
7F.SIB3.EHE. 2023-11-11T10:27:56.64 0.1 undecidable manual P 9 23.3544 105 -0.05 99
IV.RM33.EHZ. 2023-11-11T10:27:56.00 0.1 positive manual P 183 17.5713 114 0.14 97
IV.NRCA.HHZ. 2023-11-11T10:27:56.21 0.1 negative manual P 334 20.5683 109 -0.07 99
IV.SMA1.EHZ. 2023-11-11T10:27:55.11 0.1 undecidable manual P 114 9.879 136 0.23 97
IV.LNSS.HHZ. 2023-11-11T10:27:55.76 0.1 positive manual P 245 16.6722 116 0.03 100
IV.MTRA.EHE. 2023-11-11T10:27:55.91 0.1 positive manual P 55 17.0718 115 0.12 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:0.0 0.00012709761 0.1984 AML other m 2023-11-11T10:27:58.15
IV.SMA1.EHN. ML:0.0 0.00027522334999999996 0.2368 AML other m 2023-11-11T10:27:57.96
IV.RM33.EHN. ML:1.1 0.00008595 0.16 AML other m 2023-11-11T10:27:59.26
IV.NRCA.HHE. ML:1.7 0.00030223345 0.1856 AML other m 2023-11-11T10:27:59.65
IV.NRCA.HHN. ML:1.3 0.0001305 0.14 AML other m 2023-11-11T10:27:59.65
IV.RM33.EHE. ML:1.0 0.00007397100000000001 0.1216 AML other m 2023-11-11T10:27:59.50
IV.LNSS.HNE. ML:1.3 0.00015216132999999998 0.8064 AML other m 2023-11-11T10:27:57.96
IV.LNSS.HNN. ML:1.4 0.00019465004999999998 0.8384 AML other m 2023-11-11T10:27:56.19
IV.LNSS.HHE. ML:1.0 0.00007728167 0.1792 AML other m 2023-11-11T10:27:59.20
IV.LNSS.HHN. ML:1.3 0.0001434725 0.2816 AML other m 2023-11-11T10:27:58.68
IV.RM33.HNE. ML:1.3 0.00013542162 0.608 AML other m 2023-11-11T10:28:03.30
IV.RM33.HNN. ML:1.3 0.00014019720000000001 1.0048 AML other m 2023-11-11T10:27:57.85
IV.NRCA.HNE. ML:1.8 0.0004251512 0.4864 AML other m 2023-11-11T10:28:03.82
IV.NRCA.HNN. ML:1.7 0.000348943785 0.352 AML other m 2023-11-11T10:27:59.88
IV.TERO.HHE. ML:0.8 0.00002360001 0.1216 AML other m 2023-11-11T10:28:03.68
IV.TERO.HHN. ML:0.8 0.000030380474999999996 0.0768 AML other m 2023-11-11T10:28:02.41
IV.TERO.HNE. ML:1.5 0.00012767815 1.28 AML other m 2023-11-11T10:28:11.91
IV.TERO.HNN. ML:1.2 0.000076215065 0.9088 AML other m 2023-11-11T10:27:56.89
IV.FDMO.HHE. ML:0.8 0.000017893696 0.9792 AML other m 2023-11-11T10:28:19.13
IV.FDMO.HHN. ML:1.0 0.000031700770000000004 1.76 AML other m 2023-11-11T10:28:17.45
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