Earthquake with magnitude of ML 1.7 on date 24-10-2023 and time 10:50:26 (Italy) in region 2 km NW Accumoli (RI)

A magnitude ML 1.7 earthquake occured in region: 2 km NW Accumoli (RI), on

  • 24-10-2023 08:50:26 (UTC)
  • 24-10-2023 10:50:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7040, 13.2320 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 2 667 667
Arquata del Tronto AP 9 1178 1845
Amatrice RI 10 2657 4502
Cittareale RI 11 482 4984
Norcia PG 15 4957 9941
Acquasanta Terme AP 16 2916 12857
Montegallo AP 18 523 13380
Cascia PG 18 3217 16597
Campotosto AQ 20 542 17139
Montereale AQ 20 2581 19720

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Teramo (54892 inhabitants)
42 Km NW of L'Aquila (69753 inhabitants)
50 Km E of Terni (111501 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
82 Km SE of Perugia (166134 inhabitants)
85 Km W of Pescara (121014 inhabitants)
86 Km W of Chieti (51815 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
90 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 1.7 2023-10-24
08:50:26
42.7043 13.2318 11 2023-10-24
09:03:19
Sala Sismica INGV-Roma 122330491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-24 08:50:26 ± 0.03
Latitude 42.7043 ± 0.0018
Longitude 13.2318 ± 0.0024
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 122330491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 240
Semi-minor axis of confidence ellipse (meter) 33
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 252
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 55
Number of associated phases, regardless of their use for origin computation 72
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38761
Number of stations at which the event was observed 55
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 122330491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-24 09:03:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
XE.MORMA.HHZ. 2023-10-24T08:52:15.82 3.0 undecidable manual Sg 7.63 0
CR.ZAG.BHE. 2023-10-24T08:52:10.66 3.0 undecidable manual Sg 8.26 0
FR.AJAC.HHE.00 2023-10-24T08:52:07.15 3.0 undecidable manual Sg 9.4 0
OX.MPRI.HHN. 2023-10-24T08:52:02.02 3.0 undecidable manual Sg 6.12 0
IV.ECTS.HHE. 2023-10-24T08:51:58.33 3.0 undecidable manual Pg 15.6 0
IV.PCN.EHE. 2023-10-24T08:51:56.53 3.0 undecidable manual Sn 2.94 0
IX.STN3.EHE.02 2023-10-24T08:51:52.72 3.0 undecidable manual Sn 1.12 0
IV.RESU.HHE. 2023-10-24T08:51:50.29 3.0 positive manual Pg 6.84 0
IV.PLLN.EHN. 2023-10-24T08:51:49.06 3.0 positive manual Pg 10.16 0
IV.TREG.EHE. 2023-10-24T08:51:49.77 3.0 undecidable manual Sg 2.98 0
IX.NSC3.EHE.02 2023-10-24T08:51:46.98 3.0 undecidable manual Sg 7.45 0
7C.SPAOL.HNN. 2023-10-24T08:51:46.97 3.0 undecidable manual Pn 0 0
IV.IVGP.HHE. 2023-10-24T08:51:44.52 3.0 undecidable manual Pg 9.05 0
IV.VARE.HHZ. 2023-10-24T08:51:40.61 3.0 positive manual Pg 12.6 0
IV.GRI.EHE. 2023-10-24T08:51:39.16 3.0 positive manual Pn 2.71 0
IV.OVO.HHE. 2023-10-24T08:51:37.52 3.0 undecidable manual Sg 4.29 0
IV.GIB.HHZ. 2023-10-24T08:51:37.11 3.0 negative manual Pn -1.63 0
IV.CMIS.HHZ. 2023-10-24T08:51:32.53 3.0 undecidable manual Sg 0.3 0
IV.VBKN.HHZ. 2023-10-24T08:51:30.07 3.0 undecidable manual Sn -3.35 0
IV.SPS2.HHN. 2023-10-24T08:51:29.18 3.0 undecidable manual Pn -1.34 0
SL.KOGS.BHZ. 2023-10-24T08:51:26.02 3.0 undecidable manual Pn -0.89 0
IV.MILN.HHN. 2023-10-24T08:51:25.36 3.0 undecidable manual Pn 4.21 0
FR.AJAC.HHZ.00 2023-10-24T08:51:23.32 3.0 undecidable manual Pg 7.42 0
GU.IMI.HHE. 2023-10-24T08:51:23.97 3.0 negative manual Pn 0.69 0
IV.MOCL.EHN. 2023-10-24T08:51:17.35 3.0 undecidable manual Sg -0.66 0
IV.MGR.HNZ. 2023-10-24T08:51:13.09 3.0 positive manual Pn -3.16 0
IV.PZUN.HHZ. 2023-10-24T08:51:11.83 3.0 positive manual Pn -0.4 0
IX.NSC3.EHN.02 2023-10-24T08:51:10.34 3.0 undecidable manual Pg 4.68 0
IV.RIBO.EHZ.01 2023-10-24T08:51:09.38 3.0 undecidable manual S -2.77 0
IX.SCL3.EHN.02 2023-10-24T08:51:05.30 3.0 positive manual Pn -4.45 0
IV.IOCA.HHN. 2023-10-24T08:51:04.36 3.0 undecidable manual Pg 2.96 0
IV.VBKN.HHZ. 2023-10-24T08:51:02.64 3.0 positive manual Pn 0.41 0
IV.BARO.EHN. 2023-10-24T08:50:57.06 3.0 undecidable manual S -3.34 0
IV.VAGA.HHZ. 2023-10-24T08:50:55.08 3.0 positive manual Pn 0.93 0
IV.PSL.EHZ. 2023-10-24T08:50:55.15 3.0 undecidable manual Pn -0.51 0
IV.NARO.HHN. 2023-10-24T08:50:46.93 3.0 undecidable manual S -3.7 0
IV.ARCI.HHE. 2023-10-24T08:50:44.03 3.0 undecidable manual P -2.01 0
IV.MCIV.CHN. 2023-10-24T08:50:42.95 3.0 positive manual P -0.82 0
IV.CSP1.EHZ. 2023-10-24T08:50:40.68 0.3 undecidable manual S 357 43.0236 90 0.38 68
IV.CESI.HNZ. 2023-10-24T08:50:40.19 0.6 undecidable manual S 322 42.624 90 -0.01 47
IV.FDMO.HHZ. 2023-10-24T08:50:39.16 1.0 undecidable manual S 342 38.628 91 0.02 24
IV.PESA.HHE. 2023-10-24T08:50:39.39 3.0 undecidable manual P -3.46 0
IV.GIGS.HHZ. 2023-10-24T08:50:39.08 0.6 undecidable manual S 135 39.4272 90 -0.25 46
IV.TERO.HHZ. 2023-10-24T08:50:37.25 0.3 undecidable manual S 106 31.6461 91 -0.02 73
IV.PE3.EHZ. 2023-10-24T08:50:37.42 3.0 undecidable manual P -2.7 0
IV.CAMP.HHZ. 2023-10-24T08:50:35.02 0.3 undecidable manual S 142 23.6541 91 -0.11 73
IV.MC2.EHZ. 2023-10-24T08:50:35.16 0.3 undecidable manual S 351 23.2545 91 0.14 74
IV.GAVE.EHZ. 2023-10-24T08:50:35.95 0.3 undecidable manual S 267 27.5502 91 -0.22 69
IV.CSP1.EHZ. 2023-10-24T08:50:34.58 0.6 undecidable manual P 357 43.0236 90 0.17 47
IV.MMO1.EHZ. 2023-10-24T08:50:34.78 0.3 undecidable manual S 20 22.9548 91 -0.17 72
IV.RM33.EHZ. 2023-10-24T08:50:34.63 0.6 undecidable manual S 184 21.7671 92 0.01 50
IV.CESI.HNZ. 2023-10-24T08:50:34.31 1.0 undecidable manual P 322 42.624 90 -0.04 24
IV.LNSS.HHN. 2023-10-24T08:50:33.98 0.3 undecidable manual S 234 19.2696 92 0.02 74
IV.GIGS.HHZ. 2023-10-24T08:50:33.88 0.6 undecidable manual P 135 39.4272 90 0.03 48
IV.MF5.EHZ. 2023-10-24T08:50:33.89 0.6 undecidable manual P 30 36.5412 91 0.49 44
IV.FDMO.HHZ. 2023-10-24T08:50:33.67 0.1 undecidable manual P 342 38.628 91 -0.07 94
7F.SIB3.EHZ. 2023-10-24T08:50:33.60 0.6 undecidable manual S 9 19.1697 92 -0.34 46
IV.ATFO.HHE. 2023-10-24T08:50:32.25 3.0 undecidable manual P -2.14 0
IV.SMA1.EHE. 2023-10-24T08:50:32.08 0.6 undecidable manual S 134 11.7771 112 0.09 50
IV.MTRA.EHZ. 2023-10-24T08:50:32.69 0.3 undecidable manual S 67 14.5743 98 -0.03 75
IV.TERO.HHZ. 2023-10-24T08:50:32.52 0.1 positive manual P 106 31.6461 91 -0.14 95
IV.MMO1.EHZ. 2023-10-24T08:50:31.27 0.3 undecidable manual P 20 22.9548 91 -0.05 73
IV.RM33.EHZ. 2023-10-24T08:50:31.26 0.1 undecidable manual P 184 21.7671 92 0.13 98
IV.MURB.HHN. 2023-10-24T08:50:31.25 3.0 undecidable manual P -2.15 0
IV.CAMP.HHZ. 2023-10-24T08:50:31.40 0.1 undecidable manual P 142 23.6541 91 -0.02 99
IV.MC2.EHZ. 2023-10-24T08:50:31.38 0.1 undecidable manual P 351 23.2545 91 0.02 99
IV.GAVE.EHZ. 2023-10-24T08:50:31.98 0.1 undecidable manual P 267 27.5502 91 -0.05 96
7F.SIB1.EHZ. 2023-10-24T08:50:31.10 0.6 undecidable manual P 8 21.3675 92 0.03 50
IV.MTRA.EHZ. 2023-10-24T08:50:30.06 1.0 undecidable manual P 67 14.5743 98 0.03 25
7F.SIB3.EHZ. 2023-10-24T08:50:30.55 0.1 undecidable manual P 9 19.1697 92 -0.19 96
IV.LNSS.HHN. 2023-10-24T08:50:30.80 0.1 undecidable manual P 234 19.2696 92 0.05 100
IV.SMA1.EHE. 2023-10-24T08:50:29.82 0.1 undecidable manual P 134 11.7771 112 0.21 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.6 0.000472 0.54 AML other m 2023-10-24T08:50:32.63
IV.SMA1.EHN. ML:1.6 0.000389 0.24 AML other m 2023-10-24T08:50:32.69
IV.MTRA.EHE. ML:1.9 0.0007675000000000001 1.18 AML other m 2023-10-24T08:50:33.67
IV.LNSS.HHE. ML:0.0 0.00078 0.28 AML other m 2023-10-24T08:50:34.04
IV.LNSS.HHN. ML:1.9 0.000625 0.22 AML other m 2023-10-24T08:50:34.24
IV.RM33.EHE. ML:0.0 0.00022549999999999998 1.42 AML other m 2023-10-24T08:50:34.17
IV.MMO1.EHN. ML:0.0 0.00022250000000000001 1.7 AML other m 2023-10-24T08:50:34.90
IV.RM33.EHN. ML:0.0 0.00030199999999999997 0.16 AML other m 2023-10-24T08:50:34.91
IV.MMO1.EHE. ML:0.0 0.000232 1.78 AML other m 2023-10-24T08:50:35.91
IV.GAVE.EHE. ML:0.0 0.0003165 0.58 AML other m 2023-10-24T08:50:36.47
IV.GAVE.EHN. ML:0.0 0.0003815 0.26 AML other m 2023-10-24T08:50:36.81
IV.TERO.HHN. ML:0.0 0.000169 0.4 AML other m 2023-10-24T08:50:37.64
IV.TERO.HHE. ML:0.0 0.00011350000000000001 1 AML other m 2023-10-24T08:50:38.73
IV.LNSS.HNE. ML:2.0 0.000725132 0.2816 AML other m 2023-10-24T08:50:34.19
IV.LNSS.HNN. ML:1.9 0.0005615218 0.2304 AML other m 2023-10-24T08:50:34.25
IV.CAMP.HHE. ML:0.0 0.00006775000000000001 0.28 AML other m 2023-10-24T08:50:35.21
IV.CAMP.HHN. ML:0.0 0.00005995 0.22 AML other m 2023-10-24T08:50:35.17
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