Earthquake with magnitude of ML 1.0 on date 03-10-2023 and time 00:15:05 (Italy) in region 5 km NW Accumoli (RI)

A magnitude ML 1.0 earthquake occured in region: 5 km NW Accumoli (RI), on

  • 02-10-2023 22:15:05 (UTC)
  • 03-10-2023 00:15:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7240, 13.2030 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 5 667 667
Arquata del Tronto AP 10 1178 1845
Norcia PG 12 4957 6802
Cittareale RI 12 482 7284
Amatrice RI 13 2657 9941
Cascia PG 15 3217 13158
Montegallo AP 17 523 13681
Acquasanta Terme AP 18 2916 16597
Castelsantangelo sul Nera MC 20 281 16878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
44 Km NW of L'Aquila (69753 inhabitants)
48 Km SE of Foligno (57155 inhabitants)
49 Km E of Terni (111501 inhabitants)
79 Km SE of Perugia (166134 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
88 Km W of Pescara (121014 inhabitants)
89 Km W of Chieti (51815 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
91 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 1.0 2023-10-02
22:15:05
42.7238 13.203 11 2023-10-02
22:20:27
Sala Sismica INGV-Roma 121690131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-02 22:15:05 ± 0.03
Latitude 42.7238 ± 0.0018
Longitude 13.2030 ± 0.0024
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121690131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 237
Semi-minor axis of confidence ellipse (meter) 187
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 48
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) 82
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.12770
Epicentral distance of station farthest from the epicenter (degree) 0.31117
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 18
Type of magnitude ML
Reference to an origin 121690131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-02 22:20:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.EHZ. 2023-10-02T22:15:14.37 0.3 undecidable manual S 262 25.4523 50 -0.02 75
IV.MMO1.EHZ. 2023-10-02T22:15:13.52 0.6 undecidable manual S 27 21.9669 50 0.07 50
IV.RM33.EHZ. 2023-10-02T22:15:13.95 0.6 undecidable manual S 178 23.8539 50 -0.02 50
IV.LNSS.HHZ. 2023-10-02T22:15:12.58 0.6 undecidable manual S 225 18.87 50 -0.06 50
IV.TERO.HHZ. 2023-10-02T22:15:11.71 0.1 undecidable manual P 109 34.5432 50 -0.17 95
IV.NRCA.HHZ. 2023-10-02T22:15:11.17 0.3 undecidable manual S 329 14.1747 128 -0.14 74
IV.SMA1.EHZ. 2023-10-02T22:15:11.55 0.3 undecidable manual S 134 14.9739 126 0.01 76
IV.RM33.EHZ. 2023-10-02T22:15:10.29 0.1 undecidable manual P 178 23.8539 50 0.06 99
IV.MMO1.EHZ. 2023-10-02T22:15:10.11 1.0 undecidable manual P 27 21.9669 50 0.18 24
IV.GAVE.EHZ. 2023-10-02T22:15:10.50 0.6 negative manual P 262 25.4523 50 0.03 50
IV.LNSS.HHZ. 2023-10-02T22:15:09.53 0.6 negative manual P 225 18.87 50 0.07 50
IV.NRCA.HHZ. 2023-10-02T22:15:08.79 0.1 negative manual P 329 14.1747 128 0.1 100
IV.SMA1.EHZ. 2023-10-02T22:15:08.92 1.0 positive manual P 134 14.9739 126 0.1 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.2 0.000151 0.68 AML other m 2023-10-02T22:15:11.25
IV.NRCA.HHE. ML:1.2 0.00016499999999999997 0.1 AML other m 2023-10-02T22:15:11.88
IV.LNSS.HHN. ML:0.6 0.000029449999999999998 0.76 AML other m 2023-10-02T22:15:12.90
IV.LNSS.HHE. ML:0.8 0.00004575547 0.1152 AML other m 2023-10-02T22:15:12.81
IV.NRCA.HNE. ML:1.2 0.000154656455 0.0896 AML other m 2023-10-02T22:15:11.87
IV.NRCA.HNN. ML:1.3 0.00018348545 0.1664 AML other m 2023-10-02T22:15:11.24
IV.SMA1.EHE. ML:0.0 0.0000100009335 0.32 AML other m 2023-10-02T22:15:17.43
IV.SMA1.EHN. ML:0.2 0.000013092093 0.2816 AML other m 2023-10-02T22:15:13.07
IV.LNSS.HNE. ML:1.1 0.0001034788025 0.8704 AML other m 2023-10-02T22:15:18.92
IV.LNSS.HNN. ML:1.2 0.000133911735 0.7168 AML other m 2023-10-02T22:15:15.19
IV.RM33.HNE. ML:1.4 0.000139260775 1.1648 AML other m 2023-10-02T22:15:22.53
IV.RM33.HNN. ML:1.3 0.00012672742 0.96 AML other m 2023-10-02T22:15:12.48
IV.RM33.EHE. ML:0.2 0.000008757717 0.192 AML other m 2023-10-02T22:15:15.59
IV.RM33.EHN. ML:0.2 0.000008126471 0.1664 AML other m 2023-10-02T22:15:14.03
IV.GAVE.HNE. ML:1.4 0.00015079190500000002 0.7936 AML other m 2023-10-02T22:15:12.86
IV.GAVE.HNN. ML:1.6 0.00019955154999999999 0.8064 AML other m 2023-10-02T22:15:19.53
IV.GAVE.EHE. ML:0.6 0.000022783335 0.1664 AML other m 2023-10-02T22:15:15.50
IV.GAVE.EHN. ML:0.4 0.000017409514 0.2432 AML other m 2023-10-02T22:15:15.15
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