Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 24-12-2023 and time 18:24:14 (UTC) in region 6 km W Campotosto (AQ)

A magnitude ML 1.4 earthquake occured in region: 6 km W Campotosto (AQ), on

  • 24-12-2023 18:24:14 (UTC)
  • 24-12-2023 19:24:14 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5780, 13.3050 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.

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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 6 542 542
Amatrice RI 6 2657 3199
Capitignano AQ 6 665 3864
Montereale AQ 8 2581 6445
Cittareale RI 13 482 6927
Accumoli RI 14 667 7594
Barete AQ 14 737 8331
Cagnano Amiterno AQ 15 1369 9700
Crognaleto TE 15 1297 10997
Pizzoli AQ 16 4326 15323
Borbona RI 16 617 15940
Cortino TE 17 656 16596
Posta RI 18 694 17290
Fano Adriano TE 19 296 17586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of L'Aquila (69753 inhabitants)
34 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
65 Km SE of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
75 Km W of Chieti (51815 inhabitants)
76 Km W of Pescara (121014 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
95 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 1.4 2023-12-24
18:24:14		 42.5783 13.3053 15 2023-12-24
18:31:03		 Sala Sismica INGV-Roma 124249631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-24 18:24:14 ± 0.09
Latitude 42.5783 ± 0.0054
Longitude 13.3053 ± 0.0061
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 124249631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 488
Semi-minor axis of confidence ellipse (meter) 445
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 65
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51801
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 124249631
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-24 18:31:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-12-24T18:24:32.39 0.3 undecidable manual S 352 57.498 95 0.5 63
IV.SNTG.HHZ. 2023-12-24T18:24:28.66 3.0 negative manual P 0.39 0
IV.CSP1.EHZ. 2023-12-24T18:24:24.24 0.3 undecidable manual P 352 57.498 95 -0.1 69
IV.FIAM.HHZ. 2023-12-24T18:24:24.24 3.0 negative manual P 2.42 0
IV.GUMA.HHZ. 2023-12-24T18:24:24.17 0.3 undecidable manual P 3 53.8017 95 0.41 65
IV.MF5.EHZ. 2023-12-24T18:24:23.14 0.3 undecidable manual P 15 47.1195 96 0.4 66
IV.GIGS.HHZ. 2023-12-24T18:24:23.31 0.3 undecidable manual S 122 25.8519 105 -0.22 71
IV.FDMO.HHZ. 2023-12-24T18:24:23.59 0.3 undecidable manual P 341 53.8017 95 -0.18 68
IV.LNSS.HHZ. 2023-12-24T18:24:22.35 0.3 undecidable manual S 277 21.867 109 -0.13 73
IV.MTRA.HNZ. 2023-12-24T18:24:21.89 0.3 undecidable manual S 21 21.1677 110 -0.42 68
IV.MMO1.EHZ. 2023-12-24T18:24:20.92 0.3 undecidable manual P 3 35.6421 99 -0.06 72
IV.NRCA.HHZ. 2023-12-24T18:24:20.28 0.3 undecidable manual P 331 32.3454 100 -0.2 71
IV.GIGS.HHZ. 2023-12-24T18:24:19.46 0.3 undecidable manual P 122 25.8519 105 -0.05 73
IV.RM33.HNZ. 2023-12-24T18:24:19.84 0.6 undecidable manual S 224 10.6782 135 -0.1 50
IV.TERO.HNZ. 2023-12-24T18:24:19.30 0.3 undecidable manual P 78 24.8529 106 -0.06 73
IV.SMA1.EHZ. 2023-12-24T18:24:19.12 0.3 undecidable manual S 23 6.2937 152 -0.12 75
IV.CAMP.HHZ. 2023-12-24T18:24:19.78 0.3 undecidable manual S 119 9.6792 139 0.02 76
IV.LNSS.HHZ. 2023-12-24T18:24:18.91 0.3 undecidable manual P 277 21.867 109 -0.01 75
IV.MTRA.HNZ. 2023-12-24T18:24:18.71 0.3 undecidable manual P 21 21.1677 110 -0.1 73
IV.SMA1.EHZ. 2023-12-24T18:24:17.17 0.1 undecidable manual P 23 6.2937 152 0.13 100
IV.CAMP.HHZ. 2023-12-24T18:24:17.52 0.1 undecidable manual P 119 9.6792 139 0.18 98
IV.RM33.HNZ. 2023-12-24T18:24:17.56 0.1 undecidable manual P 224 10.6782 135 0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.6 0.0004493102 0.32 AML other m 2023-12-24T18:24:19.48
IV.SMA1.EHE. ML:1.7 0.0005123975000000001 0.2688 AML other m 2023-12-24T18:24:19.75
IV.LNSS.HHN. ML:1.2 0.00008631051500000001 0.2432 AML other m 2023-12-24T18:24:23.67
IV.LNSS.HHE. ML:1.3 0.000128897655 0.1664 AML other m 2023-12-24T18:24:22.78
IV.TERO.HHN. ML:1.3 0.00009939999999999999 0.06 AML other m 2023-12-24T18:24:23.07
IV.TERO.HHE. ML:1.0 0.000048372995 0.064 AML other m 2023-12-24T18:24:23.34
IV.NRCA.HHN. ML:1.8 0.0002575 0.12 AML other m 2023-12-24T18:24:25.03
IV.NRCA.HHE. ML:1.5 0.00013462800999999999 0.1024 AML other m 2023-12-24T18:24:25.32
IV.MTRA.HNE. ML:1.4 0.00016083225 0.0896 AML other m 2023-12-24T18:24:22.11
IV.MTRA.HNN. ML:1.5 0.00020166525 0.1152 AML other m 2023-12-24T18:24:22.04
IV.MTRA.EHE. ML:1.4 0.0001673416 0.1024 AML other m 2023-12-24T18:24:22.16
IV.MTRA.EHN. ML:1.5 0.00020262743 0.0896 AML other m 2023-12-24T18:24:22.04
IV.LNSS.HNE. ML:1.3 0.000131629975 0.1792 AML other m 2023-12-24T18:24:22.78
IV.TERO.HNN. ML:1.3 0.00010783796 0.064 AML other m 2023-12-24T18:24:23.08
IV.MMO1.EHE. ML:1.1 0.0000435048525 0.2176 AML other m 2023-12-24T18:24:27.44
IV.MMO1.EHN. ML:1.3 0.000077357105 0.1792 AML other m 2023-12-24T18:24:26.18
IV.GUMA.HHE. ML:1.6 0.00009006499000000001 0.3584 AML other m 2023-12-24T18:24:32.36
IV.GUMA.HHN. ML:1.4 0.00006726162 0.32 AML other m 2023-12-24T18:24:32.41
IV.CSP1.EHE. ML:1.3 0.000038099095 0.2048 AML other m 2023-12-24T18:24:32.76
IV.CSP1.EHN. ML:1.5 0.000063060375 0.2176 AML other m 2023-12-24T18:24:34.38
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