Earthquake with magnitude of ML 0.8 on date 16-07-2023 and time 00:24:13 (Italy) in region 8 km W Accumoli (RI)

A magnitude ML 0.8 earthquake occured in region: 8 km W Accumoli (RI), on

  • 15-07-2023 22:24:13 (UTC)
  • 16-07-2023 00:24:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7280, 13.1650 at 9 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 8 667 667
Norcia PG 9 4957 5624
Arquata del Tronto AP 12 1178 6802
Cittareale RI 12 482 7284
Cascia PG 12 3217 10501
Amatrice RI 15 2657 13158
Castelsantangelo sul Nera MC 19 281 13439
Poggiodomo PG 19 117 13556
Montegallo AP 19 523 14079
Monteleone di Spoleto PG 19 599 14678
Preci PG 20 724 15402

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km W of Teramo (54892 inhabitants)
45 Km SE of Foligno (57155 inhabitants)
46 Km NW of L'Aquila (69753 inhabitants)
46 Km E of Terni (111501 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
88 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km NE of Tivoli (56533 inhabitants)
91 Km W of Pescara (121014 inhabitants)
92 Km W of Chieti (51815 inhabitants)
93 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 0.8 2023-07-15
22:24:13
42.7277 13.1647 9 2023-07-15
23:11:08
Sala Sismica INGV-Roma 119297641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-15 22:24:13 ± 0.07
Latitude 42.7277 ± 0.0027
Longitude 13.1647 ± 0.0049
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119297641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 379
Semi-minor axis of confidence ellipse (meter) 65
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 290
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36512
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 13
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 119297641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-15 23:11:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PII.HHZ. 2023-07-15T22:25:25.28 3.0 undecidable manual Sg 3.92 0
IV.MCRV.HHZ. 2023-07-15T22:24:55.33 3.0 undecidable manual Pn -0.5 0
IV.OSSC.HHZ. 2023-07-15T22:24:47.20 3.0 undecidable manual Pg 2.65 0
IV.SACS.HNZ. 2023-07-15T22:24:47.58 3.0 undecidable manual S -1.49 0
IV.RIBO.EHZ.01 2023-07-15T22:24:45.27 3.0 positive manual Pg 1.46 0
IV.ATPI.EHZ. 2023-07-15T22:24:34.83 3.0 positive manual P 0.67 0
IV.MF5.EHZ. 2023-07-15T22:24:27.43 0.3 undecidable manual S 40 37.5291 50 0.65 62
IV.CSP1.EHZ. 2023-07-15T22:24:27.35 0.3 undecidable manual S 5 40.5261 50 -0.23 69
IV.MMO1.EHZ. 2023-07-15T22:24:22.24 0.3 undecidable manual S 35 23.1546 111 -0.13 73
IV.GAVE.EHZ. 2023-07-15T22:24:22.15 0.3 undecidable manual S 260 22.3554 111 0.03 74
IV.RM33.EHZ. 2023-07-15T22:24:22.52 0.3 undecidable manual S 170 24.5532 110 -0.31 70
7F.SIB1.EHN. 2023-07-15T22:24:21.54 0.3 undecidable manual S 25 20.4684 113 0.05 74
IV.CSP1.EHZ. 2023-07-15T22:24:21.35 0.1 undecidable manual P 5 40.5261 50 -0.4 89
IV.SMA1.EHE. 2023-07-15T22:24:21.03 0.3 undecidable manual S 128 17.5713 116 0.43 69
IV.MC2.EHE. 2023-07-15T22:24:21.77 0.3 undecidable manual S 6 20.4684 113 0.27 71
IV.MF5.EHZ. 2023-07-15T22:24:21.41 0.1 undecidable manual P 40 37.5291 50 0.12 95
7F.SIB2.EHZ. 2023-07-15T22:24:21.58 0.3 undecidable manual S 32 21.3675 112 -0.22 72
IV.MTRA.EHN. 2023-07-15T22:24:20.80 0.3 undecidable manual S 80 19.1697 114 -0.29 71
IV.LNSS.HHZ. 2023-07-15T22:24:20.63 0.6 undecidable manual S 216 17.1717 117 0.17 49
7F.SIB3.EHZ. 2023-07-15T22:24:20.77 0.3 undecidable manual S 28 18.4704 115 -0.1 74
IV.NRCA.HHZ. 2023-07-15T22:24:19.09 0.3 undecidable manual S 341 12.4764 125 0.04 76
IV.RM33.EHZ. 2023-07-15T22:24:18.71 0.1 undecidable manual P 170 24.5532 110 -0.3 94
7F.SIB2.EHZ. 2023-07-15T22:24:18.31 0.1 undecidable manual P 32 21.3675 112 -0.09 98
IV.MMO1.EHZ. 2023-07-15T22:24:18.63 0.1 undecidable manual P 35 23.1546 111 -0.11 98
IV.MTRA.EHN. 2023-07-15T22:24:18.02 0.1 undecidable manual P 80 19.1697 114 0.02 100
7F.SIB1.EHN. 2023-07-15T22:24:18.34 0.1 undecidable manual P 25 20.4684 113 0.11 98
IV.GAVE.EHZ. 2023-07-15T22:24:18.52 0.1 undecidable manual P 260 22.3554 111 -0.07 98
IV.MC2.EHE. 2023-07-15T22:24:18.34 0.1 undecidable manual P 6 20.4684 113 0.1 98
IV.NRCA.HHZ. 2023-07-15T22:24:17.02 0.1 undecidable manual P 341 12.4764 125 0.2 98
IV.LNSS.HHZ. 2023-07-15T22:24:17.75 0.1 undecidable manual P 216 17.1717 117 0.11 99
7F.SIB3.EHZ. 2023-07-15T22:24:17.79 0.1 undecidable manual P 28 18.4704 115 -0.09 99
IV.SMA1.EHE. 2023-07-15T22:24:17.98 0.1 undecidable manual P 128 17.5713 116 0.26 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.1 0.000153 0.08 AML other m 2023-07-15T22:24:19.26
IV.NRCA.HHE. ML:1.1 0.000133 1.14 AML other m 2023-07-15T22:24:20.57
IV.LNSS.HHN. ML:0.9 0.000072 1.06 AML other m 2023-07-15T22:24:20.99
IV.LNSS.HHE. ML:0.8 0.0000598 0.86 AML other m 2023-07-15T22:24:21.61
IV.MMO1.EHN. ML:0.9 0.0000539 0.9 AML other m 2023-07-15T22:24:22.31
IV.GAVE.EHN. ML:0.8 0.00003945 1.7 AML other m 2023-07-15T22:24:22.04
IV.GAVE.EHE. ML:0.8 0.0000432 0.16 AML other m 2023-07-15T22:24:23.08
IV.MMO1.EHE. ML:0.7 0.0000335 0.48 AML other m 2023-07-15T22:24:23.09
IV.RM33.EHN. ML:0.5 0.0000205 0.26 AML other m 2023-07-15T22:24:23.41
IV.RM33.EHE. ML:0.6 0.000024299999999999998 0.98 AML other m 2023-07-15T22:24:23.43
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