Earthquake with magnitude of ML 0.9 on date 08-02-2023 and time 16:15:16 (UTC) in region 6 km N Accumoli (RI)

A magnitude ML 0.9 earthquake occured in region: 6 km N Accumoli (RI), on

  • 08-02-2023 16:15:16 (UTC)
  • 08-02-2023 17:15:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7450, 13.2410 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 6 667 667
Arquata del Tronto AP 6 1178 1845
Norcia PG 13 4957 6802
Montegallo AP 13 523 7325
Amatrice RI 13 2657 9982
Acquasanta Terme AP 14 2916 12898
Cittareale RI 16 482 13380
Castelsantangelo sul Nera MC 18 281 13661
Cascia PG 19 3217 16878
Montemonaco AP 19 604 17482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Teramo (54892 inhabitants)
46 Km N of L'Aquila (69753 inhabitants)
50 Km E of Foligno (57155 inhabitants)
53 Km E of Terni (111501 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
80 Km SE of Perugia (166134 inhabitants)
86 Km W of Pescara (121014 inhabitants)
88 Km NW of Chieti (51815 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km NE of Tivoli (56533 inhabitants)
100 Km S of Ancona (100861 inhabitants)
100 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 2023-02-08
16:15:16
42.7452 13.2408 10 2023-02-08
16:24:02
Sala Sismica INGV-Roma 114264141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-08 16:15:16 ± 0.04
Latitude 42.7452 ± 0.0018
Longitude 13.2408 ± 0.0037
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 114264141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 323
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
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) 88
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 28
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) 0.73565
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 15
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 114264141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-08 16:24:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2023-02-08T16:16:37.92 3.0 undecidable manual Sn 4.16 0
IV.GALF.HHZ. 2023-02-08T16:16:36.70 3.0 negative manual Pg 21.629999 0
IV.MSRU.HHZ. 2023-02-08T16:16:27.90 3.0 undecidable manual Pg 17.07 0
IV.MSSA.HHZ. 2023-02-08T16:16:26.14 3.0 undecidable manual Sn 1.67 0
IV.CSNT.HHZ. 2023-02-08T16:16:02.32 3.0 undecidable manual Sg 5 0
IV.MGR.HHZ. 2023-02-08T16:15:59.70 3.0 undecidable manual Pg 9.8 0
IV.ZEN8.EHZ. 2023-02-08T16:15:55.09 3.0 undecidable manual Pg 8.08 0
IV.IMOL.HNZ. 2023-02-08T16:15:54.11 3.0 undecidable manual Sn -7.36 0
IV.VVLD.HHZ. 2023-02-08T16:15:50.55 3.0 undecidable manual Sn -3.66 0
IV.MCRV.HHZ. 2023-02-08T16:15:44.10 3.0 undecidable manual Pn 2.33 0
IV.MSSA.HHZ. 2023-02-08T16:15:43.16 3.0 undecidable manual Pn -1.28 0
IV.MTMR.HNZ. 2023-02-08T16:15:41.85 3.0 positive manual Pn 2.1 0
IV.MURB.HHZ. 2023-02-08T16:15:30.23 0.1 undecidable manual P 315 81.6516 50 -0.32 84
IV.FDMO.HHZ. 2023-02-08T16:15:28.33 0.6 undecidable manual S 339 34.6431 50 0 49
IV.IMOL.HNZ. 2023-02-08T16:15:28.35 3.0 negative manual Pn -3.17 0
IV.TERO.HHZ. 2023-02-08T16:15:28.13 0.6 undecidable manual S 114 32.5452 50 0.35 46
IV.CAMP.HHZ. 2023-02-08T16:15:26.16 0.3 undecidable manual S 149 26.9508 50 -0.12 73
IV.RM33.EHN. 2023-02-08T16:15:26.33 0.6 undecidable manual S 185 26.2515 50 0.23 47
IV.LNSS.HHE. 2023-02-08T16:15:25.03 0.6 undecidable manual S 226 22.755 114 -0.05 49
IV.MC2.EHZ. 2023-02-08T16:15:24.16 0.3 undecidable manual S 347 18.9699 118 0.26 71
7F.SIB1.EHZ. 2023-02-08T16:15:23.46 0.6 undecidable manual S 8 16.7721 121 0.22 48
IV.MMO1.EHZ. 2023-02-08T16:15:23.83 0.6 undecidable manual S 22 18.4704 119 0.06 50
IV.FDMO.HHZ. 2023-02-08T16:15:23.35 0.1 undecidable manual P 339 34.6431 50 0.05 97
IV.CSP1.EHZ. 2023-02-08T16:15:23.85 0.1 undecidable manual P 356 38.5281 50 -0.05 96
7F.SIB2.EHZ. 2023-02-08T16:15:23.01 0.6 undecidable manual S 18 16.9719 121 -0.3 47
IV.RM33.EHN. 2023-02-08T16:15:22.27 0.1 undecidable manual P 185 26.2515 50 0.26 94
IV.TERO.HHZ. 2023-02-08T16:15:22.64 0.1 undecidable manual P 114 32.5452 50 -0.34 91
7F.SIB3.EHZ. 2023-02-08T16:15:22.69 0.6 undecidable manual S 9 14.5743 125 0.07 50
IV.CAMP.HHZ. 2023-02-08T16:15:22.19 0.1 undecidable manual P 149 26.9508 50 0.07 98
IV.NRCA.HHZ. 2023-02-08T16:15:22.41 0.3 undecidable manual S 314 14.1747 126 -0.1 75
IV.SMA1.EHZ. 2023-02-08T16:15:22.56 0.6 undecidable manual S 149 14.874 124 -0.14 49
IV.LNSS.HHE. 2023-02-08T16:15:21.35 0.1 undecidable manual P 226 22.755 114 -0.07 98
IV.MTRA.EHE. 2023-02-08T16:15:21.88 0.6 undecidable manual S 84 12.7761 129 -0.23 49
IV.MC2.EHZ. 2023-02-08T16:15:20.50 0.1 undecidable manual P 347 18.9699 118 -0.24 96
IV.NRCA.HHZ. 2023-02-08T16:15:20.13 0.1 positive manual P 314 14.1747 126 0.19 98
IV.SMA1.EHZ. 2023-02-08T16:15:20.04 1.0 undecidable manual P 149 14.874 124 -0.01 25
7F.SIB2.EHZ. 2023-02-08T16:15:20.35 0.1 undecidable manual P 18 16.9719 121 -0.05 100
IV.SSFR.HHZ. 2023-02-08T16:15:20.10 3.0 negative manual P -3.68 0
7F.SIB1.EHZ. 2023-02-08T16:15:20.54 0.1 undecidable manual P 8 16.7721 121 0.17 97
IV.MMO1.EHZ. 2023-02-08T16:15:20.82 0.6 undecidable manual P 22 18.4704 119 0.16 49
7F.SIB3.EHZ. 2023-02-08T16:15:19.94 0.1 undecidable manual P 9 14.5743 125 -0.06 100
IV.MTRA.EHE. 2023-02-08T16:15:19.85 0.1 undecidable manual P 84 12.7761 129 0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.0 0.00008235 0.42 AML other m 2023-02-08T16:15:22.50
IV.NRCA.HHE. ML:0.0 0.0001485 0.14 AML other m 2023-02-08T16:15:22.50
IV.SMA1.EHE. ML:0.9 0.000068109815 1.1264 AML other m 2023-02-08T16:15:23.05
IV.SMA1.EHN. ML:0.9 0.0000686063 1.7664 AML other m 2023-02-08T16:15:23.81
IV.MC2.EHE. ML:0.9 0.00006475025 0.3456 AML other m 2023-02-08T16:15:28.03
IV.MC2.EHN. ML:1.1 0.000102421315 0.256 AML other m 2023-02-08T16:15:25.33
IV.MMO1.EHE. ML:0.9 0.000063386335 1.3312 AML other m 2023-02-08T16:15:24.19
IV.MMO1.EHN. ML:0.8 0.000051950255 0.9344 AML other m 2023-02-08T16:15:23.96
IV.FDMO.HHE. ML:0.8 0.000024548040999999998 1.8176 AML other m 2023-02-08T16:15:29.02
IV.FDMO.HHN. ML:0.4 0.00001171735165 0.96 AML other m 2023-02-08T16:15:28.92
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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