Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 11-12-2023 and time 05:15:40 (Italy) in region 1 km S Campotosto (AQ)

A magnitude ML 1.7 earthquake occured in region: 1 km S Campotosto (AQ), on

  • 11-12-2023 04:15:40 (UTC)
  • 11-12-2023 05:15:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5490, 13.3680 at 10 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.

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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 1 542 542
Capitignano AQ 6 665 1207
Crognaleto TE 9 1297 2504
Montereale AQ 10 2581 5085
Amatrice RI 11 2657 7742
Barete AQ 13 737 8479
Pizzoli AQ 14 4326 12805
Fano Adriano TE 14 296 13101
Cortino TE 14 656 13757
Cagnano Amiterno AQ 15 1369 15126
Pietracamela TE 16 271 15397
Cittareale RI 19 482 15879
Accumoli RI 19 667 16546
Borbona RI 20 617 17163

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km N of L'Aquila (69753 inhabitants)
30 Km W of Teramo (54892 inhabitants)
59 Km E of Terni (111501 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
69 Km W of Chieti (51815 inhabitants)
70 Km W of Pescara (121014 inhabitants)
71 Km SE of Foligno (57155 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
81 Km NE of Guidonia Montecelio (88673 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 1.7 2023-12-11
04:15:40		 42.5493 13.3675 10 2023-12-11
04:21:27		 Sala Sismica INGV-Roma 123952901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-11 04:15:40 ± 0.08
Latitude 42.5493 ± 0.0072
Longitude 13.3675 ± 0.0110
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123952901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1044
Semi-minor axis of confidence ellipse (meter) 380
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 15
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) 0.43977
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 123952901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-11 04:21:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2023-12-11T04:16:01.01 3.0 undecidable manual S 0.6 0
IV.FDMO.HHZ. 2023-12-11T04:15:59.93 3.0 undecidable manual S -0.78 0
IV.T0110.HHZ. 2023-12-11T04:15:57.45 0.6 undecidable manual S 137 48.8178 50 0.68 40
IV.ATFO.HHZ. 2023-12-11T04:15:57.87 3.0 undecidable manual P -2.91 0
IV.FAGN.HHZ. 2023-12-11T04:15:53.15 0.6 undecidable manual S 151 36.1416 50 -0.23 46
IV.NRCA.HHZ. 2023-12-11T04:15:53.48 0.6 undecidable manual S 327 37.7289 50 -0.32 45
IV.GUMA.HHZ. 2023-12-11T04:15:52.33 3.0 positive manual P 0.44 0
IV.CESI.HHZ. 2023-12-11T04:15:51.48 3.0 positive manual P -1.22 0
IV.FDMO.HHZ. 2023-12-11T04:15:51.23 3.0 undecidable manual P -0.83 0
IV.MF5.EHZ. 2023-12-11T04:15:50.96 3.0 negative manual P 0.31 0
IV.T0110.HHZ. 2023-12-11T04:15:50.37 0.6 negative manual P 137 48.8178 50 0.28 45
IV.NRCA.HHZ. 2023-12-11T04:15:48.21 0.1 positive manual P 327 37.7289 50 -0.17 93
IV.MMO1.EHZ. 2023-12-11T04:15:48.71 1.0 negative manual P 355 38.9277 50 0.14 23
IV.GIGS.HHZ. 2023-12-11T04:15:48.22 0.6 undecidable manual S 122 19.869 116 -0.42 45
IV.FAGN.HHZ. 2023-12-11T04:15:47.95 0.6 positive manual P 151 36.1416 50 -0.18 46
IV.TERO.HHZ. 2023-12-11T04:15:45.68 1.0 undecidable manual P 67 20.9679 115 0.09 24
IV.SMA1.EHZ. 2023-12-11T04:15:45.69 0.6 undecidable manual S 344 9.3795 136 0.05 50
IV.GIGS.HHZ. 2023-12-11T04:15:45.27 0.6 positive manual P 122 19.869 116 -0.13 48
IV.RM33.EHZ. 2023-12-11T04:15:44.28 0.1 negative manual P 250 13.2756 126 0.02 100
IV.CAMP.HHZ. 2023-12-11T04:15:44.27 0.6 undecidable manual S 114 3.6963 159 -0.29 48
IV.SMA1.EHZ. 2023-12-11T04:15:43.91 0.1 negative manual P 344 9.3795 136 0.24 96
IV.CAMP.HHZ. 2023-12-11T04:15:43.20 0.1 positive manual P 114 3.6963 159 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHN. ML:1.6 0.000655 0.46 AML other m 2023-12-11T04:15:44.65
IV.CAMP.HHE. ML:1.6 0.0007655000000000001 0.18 AML other m 2023-12-11T04:15:44.38
IV.SMA1.EHN. ML:1.7 0.0007445 0.32 AML other m 2023-12-11T04:15:46.75
IV.SMA1.EHE. ML:1.6 0.0006325 0.24 AML other m 2023-12-11T04:15:46.82
IV.RM33.EHN. ML:1.5 0.00035 0.12 AML other m 2023-12-11T04:15:46.78
IV.RM33.EHE. ML:1.5 0.000338 0.9 AML other m 2023-12-11T04:15:47.21
IV.GIGS.HHN. ML:0.9 0.0000557 1.32 AML other m 2023-12-11T04:15:49.04
IV.GIGS.HHE. ML:0.9 0.000054499999999999997 1.3 AML other m 2023-12-11T04:15:49.31
IV.NRCA.HNE. ML:2.3 0.0007725 0.14 AML other m 2023-12-11T04:15:53.88
IV.NRCA.HHE. ML:2.3 0.0008174999999999999 0.14 AML other m 2023-12-11T04:15:53.88
IV.NRCA.HNN. ML:2.1 0.0004265 0.46 AML other m 2023-12-11T04:15:53.88
IV.NRCA.HHN. ML:2.0 0.0004205 0.68 AML other m 2023-12-11T04:15:54.65
IV.MMO1.EHN. ML:1.4 0.0000988 0.54 AML other m 2023-12-11T04:15:55.89
IV.MMO1.EHE. ML:1.2 0.000057799999999999995 0.86 AML other m 2023-12-11T04:15:57.69
IV.FAGN.HHN. ML:1.8 0.00026849999999999997 0.4 AML other m 2023-12-11T04:15:58.18
IV.FAGN.HHE. ML:1.8 0.0002765 1.58 AML other m 2023-12-11T04:15:58.02
IV.T0110.HHE. ML:1.6 0.00009834999999999999 1.42 AML other m 2023-12-11T04:16:00.96
IV.GUMA.HHE. ML:1.9 0.00016549999999999998 0.24 AML other m 2023-12-11T04:16:00.86
IV.FDMO.HHN. ML:1.3 0.00003945 0.54 AML other m 2023-12-11T04:16:01.58
IV.FDMO.HHE. ML:1.6 0.00007905000000000001 0.76 AML other m 2023-12-11T04:16:02.23
IV.GUMA.HHN. ML:1.8 0.00015099999999999998 0.72 AML other m 2023-12-11T04:16:04.35
IV.T0110.HHN. ML:1.6 0.00010075000000000001 0.42 AML other m 2023-12-11T04:16:07.08
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