Earthquake with magnitude of ML 0.9 on date 11-09-2023 and time 02:55:18 (UTC) in region 5 km W Campotosto (AQ)

A magnitude ML 0.9 earthquake occured in region: 5 km W Campotosto (AQ), on

  • 11-09-2023 02:55:18 (UTC)
  • 11-09-2023 04:55:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5750, 13.3120 at 15 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
Campotosto AQ 5 542 542
Capitignano AQ 6 665 1207
Amatrice RI 7 2657 3864
Montereale AQ 8 2581 6445
Cittareale RI 13 482 6927
Barete AQ 14 737 7664
Crognaleto TE 14 1297 8961
Accumoli RI 14 667 9628
Cagnano Amiterno AQ 15 1369 10997
Pizzoli AQ 15 4326 15323
Borbona RI 16 617 15940
Cortino TE 17 656 16596
Posta RI 19 694 17290
Fano Adriano TE 19 296 17586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km N of L'Aquila (69753 inhabitants)
34 Km W of Teramo (54892 inhabitants)
55 Km E of Terni (111501 inhabitants)
65 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
75 Km W of Chieti (51815 inhabitants)
75 Km W of Pescara (121014 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SE of Perugia (166134 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 2023-09-11
02:55:18
42.5747 13.3123 15 2023-09-11
03:02:48
Sala Sismica INGV-Roma 120961351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-11 02:55:18 ± 0.09
Latitude 42.5747 ± 0.0036
Longitude 13.3123 ± 0.0037
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120961351

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 323
Semi-minor axis of confidence ellipse (meter) 226
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 325
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) 106
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.05846
Epicentral distance of station farthest from the epicenter (degree) 0.32466
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 7
Type of magnitude ML
Reference to an origin 120961351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-11 03:02:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2023-09-11T02:55:30.94 0.6 undecidable manual S 2 36.0417 99 0.05 48
IV.GIGS.HHZ. 2023-09-11T02:55:28.04 0.6 undecidable manual S 122 25.1526 105 -0.01 50
IV.TERO.HHZ. 2023-09-11T02:55:27.58 0.6 undecidable manual S 77 24.3534 106 -0.27 47
IV.LNSS.HHZ. 2023-09-11T02:55:27.18 0.3 undecidable manual S 278 22.4553 109 -0.17 72
IV.MTRA.EHN. 2023-09-11T02:55:26.80 0.6 undecidable manual S 19 21.3675 110 -0.27 47
IV.MMO1.EHZ. 2023-09-11T02:55:25.82 0.6 positive manual P 2 36.0417 99 0.06 48
IV.CAMP.HHZ. 2023-09-11T02:55:24.21 0.6 undecidable manual S 119 8.9799 141 -0.14 50
IV.TERO.HHZ. 2023-09-11T02:55:24.00 0.1 undecidable manual P 77 24.3534 106 0 99
IV.RM33.EHZ. 2023-09-11T02:55:24.50 0.3 undecidable manual S 228 10.7781 135 -0.18 74
IV.GIGS.HHZ. 2023-09-11T02:55:24.12 0.3 undecidable manual P 122 25.1526 105 0 74
IV.SMA1.EHZ. 2023-09-11T02:55:24.08 0.3 undecidable manual S 17 6.4935 151 0.1 75
IV.LNSS.HHZ. 2023-09-11T02:55:23.78 0.3 undecidable manual P 278 22.4553 109 0.07 74
IV.MTRA.EHN. 2023-09-11T02:55:23.62 0.1 undecidable manual P 19 21.3675 110 0.07 99
IV.CAMP.HHZ. 2023-09-11T02:55:22.13 0.3 undecidable manual P 119 8.9799 141 0.15 74
IV.RM33.EHZ. 2023-09-11T02:55:22.27 0.1 undecidable manual P 228 10.7781 135 0.1 100
IV.SMA1.EHZ. 2023-09-11T02:55:21.91 0.1 undecidable manual P 17 6.4935 151 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.1 0.00012335 0.56 AML other m 2023-09-11T02:55:24.20
IV.SMA1.EHE. ML:1.2 0.000175 0.16 AML other m 2023-09-11T02:55:24.26
IV.CAMP.HHE. ML:0.4 0.000026349999999999997 0.24 AML other m 2023-09-11T02:55:24.28
IV.CAMP.HHN. ML:0.5 0.0000374 0.4 AML other m 2023-09-11T02:55:24.32
IV.RM33.EHN. ML:0.9 0.00007944999999999999 0.3 AML other m 2023-09-11T02:55:24.73
IV.RM33.EHE. ML:1.0 0.0001013 0.34 AML other m 2023-09-11T02:55:24.79
IV.TERO.HHE. ML:0.8 0.000034706164999999994 0.1008 AML other m 2023-09-11T02:55:27.95
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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