Earthquake with magnitude of ML 0.9 on date 12-10-2023 and time 22:23:08 (UTC) in region Accumoli (RI)

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

  • 12-10-2023 22:23:08 (UTC)
  • 13-10-2023 00:23:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6960, 13.2450 at 10 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 0 667 667
Amatrice RI 8 2657 3324
Arquata del Tronto AP 10 1178 4502
Cittareale RI 11 482 4984
Acquasanta Terme AP 16 2916 7900
Norcia PG 16 4957 12857
Montegallo AP 18 523 13380
Campotosto AQ 18 542 13922
Montereale AQ 19 2581 16503
Cascia PG 19 3217 19720
Capitignano AQ 20 665 20385

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km W of Teramo (54892 inhabitants)
40 Km NW of L'Aquila (69753 inhabitants)
51 Km E of Terni (111501 inhabitants)
53 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
83 Km W of Pescara (121014 inhabitants)
85 Km W of Chieti (51815 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km NE of Tivoli (56533 inhabitants)
98 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 2023-10-12
22:23:08
42.6958 13.2448 10 2023-10-12
22:35:12
Sala Sismica INGV-Roma 122026141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-12 22:23:08 ± 0.06
Latitude 42.6958 ± 0.0027
Longitude 13.2448 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122026141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 322
Semi-minor axis of confidence ellipse (meter) 256
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 112
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) 106
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39660
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 122026141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-12 22:35:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHZ. 2023-10-12T22:24:23.22 3.0 undecidable manual Sg 7.47 0
IV.CAFE.HNZ. 2023-10-12T22:24:11.77 3.0 undecidable manual Sn -0.07 0
IV.CRE.HHZ. 2023-10-12T22:23:49.22 3.0 undecidable manual S -0.97 0
IV.OSSC.HHZ. 2023-10-12T22:23:37.42 3.0 undecidable manual Pn 0.69 0
IV.RCAV.EHZ. 2023-10-12T22:23:37.05 3.0 undecidable manual S -2.02 0
IV.SRES.HHZ. 2023-10-12T22:23:34.69 3.0 undecidable manual S 0.64 0
IV.SNTG.HHZ. 2023-10-12T22:23:26.49 3.0 undecidable manual S -3.85 0
IV.CSP1.EHZ. 2023-10-12T22:23:23.24 0.1 undecidable manual S 356 44.0226 50 0.17 93
IV.GAVE.EHZ. 2023-10-12T22:23:18.82 0.1 undecidable manual S 269 28.5492 50 -0.13 96
IV.MMO1.EHZ. 2023-10-12T22:23:17.11 0.1 undecidable manual S 16 23.5542 112 -0.22 95
IV.CSP1.EHZ. 2023-10-12T22:23:17.16 0.6 undecidable manual P 356 44.0226 50 0.23 46
IV.GUMA.HHZ. 2023-10-12T22:23:16.62 1.0 negative manual P 10 41.3253 50 0.11 24
IV.LNSS.HHZ. 2023-10-12T22:23:16.36 0.1 undecidable manual S 238 19.5693 116 0.28 95
IV.RM33.EHZ. 2023-10-12T22:23:16.22 0.1 undecidable manual S 187 20.868 115 -0.26 95
IV.FDMO.HHZ. 2023-10-12T22:23:16.26 1.0 undecidable manual P 341 39.9267 50 -0.03 24
IV.MF5.EHZ. 2023-10-12T22:23:15.99 0.6 positive manual P 28 36.8298 50 0.19 47
IV.NRCA.HHZ. 2023-10-12T22:23:15.68 0.1 undecidable manual S 325 18.6702 117 -0.09 99
IV.GIGS.HHZ. 2023-10-12T22:23:15.43 1.0 undecidable manual P 135 37.9287 50 -0.56 21
IV.GAVE.EHZ. 2023-10-12T22:23:14.40 0.6 negative manual P 269 28.5492 50 -0.14 48
IV.TERO.HHZ. 2023-10-12T22:23:14.18 3.0 negative manual P -0.06 0
IV.SMA1.EHZ. 2023-10-12T22:23:13.58 0.1 undecidable manual S 134 10.3785 133 0.18 98
IV.RM33.EHZ. 2023-10-12T22:23:13.04 0.6 negative manual P 187 20.868 115 -0.07 49
IV.MMO1.EHZ. 2023-10-12T22:23:13.48 1.0 undecidable manual P 16 23.5542 112 -0.13 24
IV.NRCA.HHZ. 2023-10-12T22:23:12.74 0.1 negative manual P 325 18.6702 117 0.04 100
IV.LNSS.HHZ. 2023-10-12T22:23:12.91 1.0 undecidable manual P 238 19.5693 116 0.02 25
IV.SMA1.EHZ. 2023-10-12T22:23:11.42 0.6 negative manual P 134 10.3785 133 0.09 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.0001875 0.14 AML other m 2023-10-12T22:23:15.85
IV.NRCA.HHE. ML:1.4 0.0002045 0.16 AML other m 2023-10-12T22:23:15.93
IV.LNSS.HHE. ML:0.7 0.000038650000000000004 0.24 AML other m 2023-10-12T22:23:16.33
IV.LNSS.HHN. ML:0.7 0.0000404 0.94 AML other m 2023-10-12T22:23:16.51
IV.RM33.EHN. ML:1.0 0.00006555 0.48 AML other m 2023-10-12T22:23:16.55
IV.SMA1.EHN. ML:0.5 0.000040400000000000006 0.28 AML other m 2023-10-12T22:23:16.81
IV.RM33.EHE. ML:1.0 0.00007295 1.28 AML other m 2023-10-12T22:23:17.78
IV.SMA1.EHE. ML:0.6 0.00004745 0.46 AML other m 2023-10-12T22:23:17.15
IV.MMO1.EHE. ML:0.8 0.0000439 0.92 AML other m 2023-10-12T22:23:17.30
IV.MMO1.EHN. ML:0.8 0.000038900000000000004 0.3 AML other m 2023-10-12T22:23:17.33
IV.TERO.HHN. ML:0.9 0.00003335 0.54 AML other m 2023-10-12T22:23:18.30
IV.TERO.HHE. ML:0.7 0.000023449999999999997 0.54 AML other m 2023-10-12T22:23:19.30
IV.CRE.HHE. ML:1.4 0.000015450000000000003 0.42 AML other m 2023-10-12T22:24:06.33
IV.CRE.HHN. ML:1.6 0.0000207 1.58 AML other m 2023-10-12T22:24:07.00
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