Earthquake with magnitude of ML 0.7 on date 07-10-2023 and time 07:11:45 (Italy) in region 4 km NW Amatrice (RI)

A magnitude ML 0.7 earthquake occured in region: 4 km NW Amatrice (RI), on

  • 07-10-2023 05:11:45 (UTC)
  • 07-10-2023 07:11:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6570, 13.2620 at 14 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
Amatrice RI 4 2657 2657
Accumoli RI 4 667 3324
Cittareale RI 9 482 3806
Arquata del Tronto AP 13 1178 4984
Campotosto AQ 14 542 5526
Montereale AQ 15 2581 8107
Capitignano AQ 16 665 8772
Acquasanta Terme AP 17 2916 11688
Borbona RI 19 617 12305
Posta RI 20 694 12999

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of L'Aquila (69753 inhabitants)
36 Km W of Teramo (54892 inhabitants)
51 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
81 Km W of Pescara (121014 inhabitants)
82 Km W of Chieti (51815 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
86 Km NE of Tivoli (56533 inhabitants)
87 Km SE of Perugia (166134 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 0.7 2023-10-07
05:11:45
42.6572 13.2622 14 2023-10-07
05:23:22
Sala Sismica INGV-Roma 121831061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-07 05:11:45 ± 0.14
Latitude 42.6572 ± 0.0072
Longitude 13.2622 ± 0.0061
Depth (km) 14 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121831061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 788
Semi-minor axis of confidence ellipse (meter) 366
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 353
Circular confidence region, given by single value of horizontal uncertainty (meter) 790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.06025
Epicentral distance of station farthest from the epicenter (degree) 0.27249
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:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 121831061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-07 05:23:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GAVE.HNZ. 2023-10-07T05:11:56.31 0.6 undecidable manual S 278 30.2475 98 0.17 48
IV.TERO.HHZ. 2023-10-07T05:11:55.34 0.6 undecidable manual S 98 28.1496 99 -0.25 47
IV.NRCA.HHZ. 2023-10-07T05:11:53.85 0.6 undecidable manual S 328 22.9548 103 -0.38 47
IV.LNSS.HHZ. 2023-10-07T05:11:53.15 0.6 undecidable manual S 252 19.0698 109 -0.08 50
IV.RM33.EHZ. 2023-10-07T05:11:52.51 0.6 undecidable manual S 193 16.872 113 -0.17 49
IV.MTRA.EHZ. 2023-10-07T05:11:52.14 0.6 undecidable manual S 45 15.5733 116 -0.22 49
IV.GAVE.HNZ. 2023-10-07T05:11:51.55 0.1 undecidable manual P 278 30.2475 98 -0.12 97
IV.TERO.HHZ. 2023-10-07T05:11:51.32 1.0 undecidable manual P 98 28.1496 99 -0.03 25
IV.SMA1.EHZ. 2023-10-07T05:11:50.25 0.6 undecidable manual S 116 6.6933 147 -0.32 49
IV.LNSS.HHZ. 2023-10-07T05:11:50.06 0.6 negative manual P 252 19.0698 109 0.07 50
IV.NRCA.HHZ. 2023-10-07T05:11:50.57 1.0 positive manual P 328 22.9548 103 0 25
IV.RM33.EHZ. 2023-10-07T05:11:49.92 1.0 positive manual P 193 16.872 113 0.25 24
IV.MTRA.EHZ. 2023-10-07T05:11:49.95 0.1 undecidable manual P 45 15.5733 116 0.46 93
IV.SMA1.EHZ. 2023-10-07T05:11:48.63 0.1 undecidable manual P 116 6.6933 147 0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.0 0.0001105 0.28 AML other m 2023-10-07T05:11:50.65
IV.SMA1.EHE. ML:1.2 0.00018099999999999998 0.22 AML other m 2023-10-07T05:11:50.93
IV.TERO.HHN. ML:1.0 0.000043299999999999995 0.08 AML other m 2023-10-07T05:11:55.54
IV.TERO.HHE. ML:0.8 0.00003195 0.36 AML other m 2023-10-07T05:11:55.60
IV.RM33.EHE. ML:0.5 0.00002577443 0.1824 AML other m 2023-10-07T05:11:53.05
IV.RM33.EHN. ML:0.5 0.000023024274999999997 0.2976 AML other m 2023-10-07T05:11:52.77
IV.LNSS.HHE. ML:0.3 0.000014806085 0.1024 AML other m 2023-10-07T05:11:54.52
IV.LNSS.HHN. ML:0.2 0.000010533299 0.1216 AML other m 2023-10-07T05:11:55.68
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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