Earthquake with magnitude of ML 1.2 on date 11-09-2023 and time 07:20:09 (UTC) in region 3 km W Campotosto (AQ)

A magnitude ML 1.2 earthquake occured in region: 3 km W Campotosto (AQ), on

  • 11-09-2023 07:20:09 (UTC)
  • 11-09-2023 09:20:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5590, 13.3350 at 13 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 3 542 542
Capitignano AQ 5 665 1207
Montereale AQ 8 2581 3788
Amatrice RI 9 2657 6445
Crognaleto TE 12 1297 7742
Barete AQ 13 737 8479
Pizzoli AQ 14 4326 12805
Cagnano Amiterno AQ 14 1369 14174
Cittareale RI 16 482 14656
Cortino TE 16 656 15312
Fano Adriano TE 17 296 15608
Accumoli RI 17 667 16275
Borbona RI 17 617 16892
Pietracamela TE 18 271 17163
Posta RI 20 694 17857

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km N of L'Aquila (69753 inhabitants)
32 Km W of Teramo (54892 inhabitants)
56 Km E of Terni (111501 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
72 Km W of Chieti (51815 inhabitants)
73 Km W of Pescara (121014 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
98 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 1.2 2023-09-11
07:20:09
42.5587 13.3348 13 2023-09-11
07:26:36
Sala Sismica INGV-Roma 120968511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-11 07:20:09 ± 0.09
Latitude 42.5587 ± 0.0054
Longitude 13.3348 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 120968511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 508
Semi-minor axis of confidence ellipse (meter) 296
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 9
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 16
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) 0.31926
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 120968511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-11 07:26:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2023-09-11T07:20:38.66 3.0 undecidable manual S -0.89 0
IV.VENT.EHZ. 2023-09-11T07:20:37.85 3.0 negative manual Pn 1.95 0
IV.FOSV.EHZ. 2023-09-11T07:20:34.78 3.0 undecidable manual S -0.27 0
IV.CSP1.EHZ. 2023-09-11T07:20:28.36 3.0 undecidable manual S 0.84 0
IT.CSO1.HGZ. 2023-09-11T07:20:27.94 3.0 undecidable manual S 0.87 0
IV.FDMO.HHZ. 2023-09-11T07:20:25.53 3.0 undecidable manual S -1.15 0
IV.ARRO.EHZ. 2023-09-11T07:20:24.26 3.0 undecidable manual S -0.18 0
IV.NRCA.HHZ. 2023-09-11T07:20:20.63 0.6 undecidable manual S 330 35.4423 94 -0.4 43
IV.LNSS.HHZ. 2023-09-11T07:20:18.06 0.6 undecidable manual S 282 24.5532 99 -0.09 47
IV.GIGS.HHZ. 2023-09-11T07:20:17.35 0.6 undecidable manual S 121 22.755 100 -0.32 46
IV.TERO.HHZ. 2023-09-11T07:20:17.68 0.6 undecidable manual S 72 23.0547 100 -0.09 48
IV.MTRA.EHZ. 2023-09-11T07:20:17.36 0.6 undecidable manual S 13 22.5552 100 -0.26 46
IV.NRCA.HHZ. 2023-09-11T07:20:16.05 0.1 undecidable manual P 330 35.4423 94 0.06 96
IV.LNSS.HHZ. 2023-09-11T07:20:14.40 0.1 positive manual P 282 24.5532 99 0.07 97
IV.GIGS.HHZ. 2023-09-11T07:20:14.06 1.0 undecidable manual P 121 22.755 100 0.01 24
IV.SMA1.EHZ. 2023-09-11T07:20:14.16 0.6 undecidable manual S 0 7.9809 139 -0.01 49
IV.TERO.HHZ. 2023-09-11T07:20:14.21 0.3 positive manual P 72 23.0547 100 0.1 72
IV.RM33.EHZ. 2023-09-11T07:20:14.50 0.6 undecidable manual S 241 11.2776 126 -0.32 46
IV.MTRA.EHZ. 2023-09-11T07:20:14.13 0.6 undecidable manual P 13 22.5552 100 0.11 48
IV.CAMP.HHZ. 2023-09-11T07:20:13.73 0.6 undecidable manual S 113 6.5934 145 -0.21 48
IV.SMA1.EHZ. 2023-09-11T07:20:12.28 0.1 negative manual P 0 7.9809 139 0.25 97
IV.RM33.EHZ. 2023-09-11T07:20:12.45 0.1 positive manual P 241 11.2776 126 0.04 100
IV.CAMP.HHZ. 2023-09-11T07:20:12.11 0.1 negative manual P 113 6.5934 145 0.21 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHN. ML:1.0 0.000118 0.22 AML other m 2023-09-11T07:20:13.94
IV.RM33.EHE. ML:1.2 0.0001525 0.24 AML other m 2023-09-11T07:20:14.62
IV.CAMP.HHE. ML:0.9 0.0001029 0.64 AML other m 2023-09-11T07:20:14.82
IV.SMA1.EHN. ML:1.4 0.00026700000000000004 0.32 AML other m 2023-09-11T07:20:14.62
IV.SMA1.EHE. ML:1.5 0.000338 0.22 AML other m 2023-09-11T07:20:14.63
IV.RM33.EHN. ML:1.0 0.000108 0.68 AML other m 2023-09-11T07:20:14.81
IV.LNSS.HHN. ML:1.4 0.000156 0.14 AML other m 2023-09-11T07:20:18.20
IV.GIGS.HHN. ML:0.4 0.00001285 0.78 AML other m 2023-09-11T07:20:18.53
IV.LNSS.HHE. ML:1.6 0.00020899999999999998 0.36 AML other m 2023-09-11T07:20:18.50
IV.GIGS.HHE. ML:0.4 0.0000148 1.6 AML other m 2023-09-11T07:20:18.03
IV.NRCA.HHE. ML:1.5 0.0001285 0.1 AML other m 2023-09-11T07:20:21.27
IV.NRCA.HHN. ML:1.3 0.00007189999999999999 0.38 AML other m 2023-09-11T07:20:21.23
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