Earthquake with magnitude of ML 0.7 on date 11-10-2023 and time 21:16:00 (Italy) in region 6 km N Posta (RI)

A magnitude ML 0.7 earthquake occured in region: 6 km N Posta (RI), on

  • 11-10-2023 19:16:00 (UTC)
  • 11-10-2023 21:16:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5730, 13.1140 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
Posta RI 6 694 694
Cittareale RI 6 482 1176
Borbona RI 7 617 1793
Montereale AQ 12 2581 4374
Leonessa RI 12 2435 6809
Micigliano RI 14 127 6936
Cagnano Amiterno AQ 16 1369 8305
Amatrice RI 16 2657 10962
Monteleone di Spoleto PG 16 599 11561
Capitignano AQ 16 665 12226
Antrodoco RI 17 2588 14814
Accumoli RI 18 667 15481
Cascia PG 18 3217 18698
Borgo Velino RI 19 972 19670
Barete AQ 19 737 20407

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km NW of L'Aquila (69753 inhabitants)
38 Km E of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
54 Km SE of Foligno (57155 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
84 Km SE of Perugia (166134 inhabitants)
85 Km E of Viterbo (67173 inhabitants)
85 Km W of Montesilvano (53738 inhabitants)
90 Km W of Chieti (51815 inhabitants)
91 Km W of Pescara (121014 inhabitants)
92 Km NE of Roma (2864731 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 2023-10-11
19:16:00
42.5733 13.1142 11 2023-10-11
19:27:52
Sala Sismica INGV-Roma 121992751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-11 19:16:00 ± 0.15
Latitude 42.5733 ± 0.0081
Longitude 13.1142 ± 0.0073
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 121992751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 941
Semi-minor axis of confidence ellipse (meter) 451
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 940.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 168
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25990
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 121992751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-11 19:27:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HPAC.HHZ. 2023-10-11T19:17:38.02 3.0 undecidable manual Pg 17.559999 0
7C.SPAOL.HNZ. 2023-10-11T19:17:24.14 3.0 undecidable manual Pg 14.25 0
IV.MFNL.HHZ. 2023-10-11T19:17:11.70 3.0 positive manual Pg 11 0
OT.OT14.EHZ. 2023-10-11T19:17:06.24 3.0 undecidable manual Sn -2.74 0
IV.MRB1.HHZ. 2023-10-11T19:17:04.62 3.0 undecidable manual Sn -0.71 0
IV.SPS2.HHZ. 2023-10-11T19:16:52.47 3.0 undecidable manual Pn -3.83 0
IV.LRP.EHZ. 2023-10-11T19:16:51.29 3.0 undecidable manual Sg 11.02 0
OT.OT14.EHZ. 2023-10-11T19:16:40.57 3.0 negative manual Pg 9.84 0
OX.CIMO.HHZ. 2023-10-11T19:16:28.38 3.0 undecidable manual Pn -2.1 0
GU.POPM.HHZ. 2023-10-11T19:16:22.30 3.0 undecidable manual Sn -3.21 0
IV.SFI.EHZ. 2023-10-11T19:16:17.12 3.0 undecidable manual Sn 0.15 0
IV.MPAG.HNZ. 2023-10-11T19:16:15.51 3.0 undecidable manual Sn -1.55 0
IV.NRCA.HHZ. 2023-10-11T19:16:10.43 0.6 undecidable manual S 0 28.8489 50 -0.23 47
IV.SMA1.EHZ. 2023-10-11T19:16:08.03 0.6 undecidable manual S 71 19.1697 119 0.04 49
IV.NRCA.HHZ. 2023-10-11T19:16:06.71 1.0 undecidable manual P 0 28.8489 50 0.39 23
IV.ARVD.HHZ. 2023-10-11T19:16:05.23 3.0 positive manual Pg 3.28 0
IV.RM33.EHZ. 2023-10-11T19:16:05.49 0.6 undecidable manual S 131 10.878 134 -0.18 49
IV.ZCCA.HNZ. 2023-10-11T19:16:05.41 3.0 undecidable manual Pn -2.52 0
IV.LNSS.HHZ. 2023-10-11T19:16:04.68 0.6 undecidable manual S 299 6.8931 147 -0.1 50
IV.SMA1.EHZ. 2023-10-11T19:16:04.86 0.6 positive manual P 71 19.1697 119 0.08 49
IV.LNSS.HHZ. 2023-10-11T19:16:03.00 0.1 undecidable manual P 299 6.8931 147 0.07 100
IV.RM33.EHZ. 2023-10-11T19:16:03.49 0.6 undecidable manual P 131 10.878 134 0.05 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:0.8 0.0000963 0.58 AML other m 2023-10-11T19:16:05.32
IV.LNSS.HHN. ML:0.8 0.000084232975 0.1408 AML other m 2023-10-11T19:16:04.98
IV.RM33.EHN. ML:0.3 0.000026965375 0.1152 AML other m 2023-10-11T19:16:05.57
IV.RM33.EHE. ML:0.4 0.000030984814999999996 0.1536 AML other m 2023-10-11T19:16:06.28
IV.LNSS.HNE. ML:0.8 0.0000970734 0.3712 AML other m 2023-10-11T19:16:05.91
IV.LNSS.HNN. ML:0.8 0.0000925922765 1.9328 AML other m 2023-10-11T19:16:05.96
IV.RM33.HNE. ML:0.8 0.00007911756000000001 1.1264 AML other m 2023-10-11T19:16:06.28
IV.RM33.HNN. ML:0.9 0.000087491605 0.7552 AML other m 2023-10-11T19:16:06.29
IV.SMA1.EHE. ML:0.3 0.000014011979000000002 0.1664 AML other m 2023-10-11T19:16:08.12
IV.SMA1.EHN. ML:0.3 0.000014455555 1.216 AML other m 2023-10-11T19:16:08.84
IV.NRCA.HNE. ML:1.2 0.000074269025 3.2896 AML other m 2023-10-11T19:16:12.51
IV.NRCA.HNN. ML:1.4 0.00013812065000000002 0.8704 AML other m 2023-10-11T19:16:11.87
IV.NRCA.HHE. ML:0.7 0.00002575737 0.1536 AML other m 2023-10-11T19:16:10.44
IV.NRCA.HHN. ML:0.5 0.000013088479499999999 0.0768 AML other m 2023-10-11T19:16:11.12
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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