Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 24-01-2023 and time 13:04:20 (Italy) in region 4 km SE Crognaleto (TE)

A magnitude ML 1.0 earthquake occured in region: 4 km SE Crognaleto (TE), on

  • 24-01-2023 12:04:20 (UTC)
  • 24-01-2023 13:04:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5210, 13.5020 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Crognaleto TE 4 1297 1297
Pietracamela TE 4 271 1568
Fano Adriano TE 5 296 1864
Cortino TE 11 656 2520
Campotosto AQ 12 542 3062
Tossicia TE 12 1406 4468
Montorio al Vomano TE 13 8218 12686
Isola del Gran Sasso d'Italia TE 13 4773 17459
Colledara TE 15 2179 19638
Capitignano AQ 17 665 20303
Castelli TE 18 1159 21462
Castel Castagna TE 18 500 21962
Rocca Santa Maria TE 19 537 22499
Pizzoli AQ 19 4326 26825
Barete AQ 20 737 27562
Torricella Sicura TE 20 2641 30203

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NE of L'Aquila (69753 inhabitants)
23 Km SW of Teramo (54892 inhabitants)
53 Km W of Montesilvano (53738 inhabitants)
58 Km W of Chieti (51815 inhabitants)
59 Km W of Pescara (121014 inhabitants)
70 Km E of Terni (111501 inhabitants)
81 Km SE of Foligno (57155 inhabitants)
85 Km NE of Tivoli (56533 inhabitants)
86 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
Bulletin
Rev1000 		ML 1.0 2023-01-24
12:04:20		 42.5207 13.5025 11 2024-03-01
17:17:54		 Bollettino Sismico Italiano INGV 114008851
Reviewed
Rev100 		ML 1.0 2023-01-24
12:04:20		 42.5158 13.4942 11 2023-01-24
12:15:06		 Sala Sismica INGV-Roma 113758601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-24 12:04:20 ± 0.06
Latitude 42.5207 ± 0.0045
Longitude 13.5025 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114008851

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 620
Semi-minor axis of confidence ellipse (meter) 275
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42358
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 114008851
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-21 14:51:53

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 113758601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-24 12:15:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2023-01-24T12:05:43.62 3.0 undecidable manual Sn 0.34 0
IV.IMOL.HNZ. 2023-01-24T12:05:31.45 3.0 undecidable manual Sg 1.22 0
IV.SCIAC.HHZ. 2023-01-24T12:05:31.45 3.0 positive manual Pn -1.83 0
IV.SPS2.HHZ. 2023-01-24T12:05:26.71 3.0 undecidable manual Pg 8.38 0
IV.TDS.HHZ. 2023-01-24T12:05:19.08 3.0 negative manual Pg 4.86 0
IV.ARCI.HHZ. 2023-01-24T12:05:09.56 3.0 undecidable manual Sg -1.04 0
IX.NSC3.EHZ.02 2023-01-24T12:04:52.00 3.0 positive manual Pg -1.54 0
IV.ATCC.EHZ. 2023-01-24T12:04:49.02 3.0 undecidable manual P 0
IV.NRCA.HHZ. 2023-01-24T12:04:36.12 0.6 undecidable manual S 318 47.0196 90 0.23 45
IV.T0110.HHZ. 2023-01-24T12:04:33.92 0.6 undecidable manual S 145 39.3273 90 0.08 48
IV.VCEL.EHZ. 2023-01-24T12:04:32.06 0.3 undecidable manual S 117 31.0467 90 0.44 68
IV.MTRA.EHE. 2023-01-24T12:04:30.64 0.3 undecidable manual S 342 27.5502 90 -0.06 72
IV.NRCA.HHZ. 2023-01-24T12:04:29.31 0.3 undecidable manual P 318 47.0196 90 -0.24 68
IV.SMA1.EHZ. 2023-01-24T12:04:28.14 0.3 undecidable manual S 312 18.2706 90 -0.09 73
IV.T0110.HHZ. 2023-01-24T12:04:28.10 0.1 undecidable manual P 145 39.3273 90 -0.27 91
IV.VCEL.EHZ. 2023-01-24T12:04:27.20 0.3 undecidable manual P 117 31.0467 90 0.12 72
IV.TERO.HHZ. 2023-01-24T12:04:27.04 0.3 undecidable manual S 36 14.0748 91 -0.05 74
IV.MTRA.EHE. 2023-01-24T12:04:26.46 0.1 undecidable manual P 342 27.5502 90 -0.09 96
IV.GIGS.HHZ. 2023-01-24T12:04:25.66 0.3 undecidable manual S 142 9.4794 123 -0.28 72
IV.SMA1.EHZ. 2023-01-24T12:04:25.06 0.1 undecidable manual P 312 18.2706 90 -0.07 98
IV.CAMP.HHZ. 2023-01-24T12:04:25.86 0.3 undecidable manual S 282 7.7811 131 0.26 71
IV.TERO.HHZ. 2023-01-24T12:04:24.54 0.1 undecidable manual P 36 14.0748 91 0.07 100
IV.CAMP.HHZ. 2023-01-24T12:04:23.86 0.3 undecidable manual P 282 7.7811 131 0.25 72
IV.GIGS.HHZ. 2023-01-24T12:04:23.72 0.1 undecidable manual P 142 9.4794 123 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIGS.HHN. ML:0.9 0.0000973 0.12 AML other m 2023-01-24T12:04:25.83
IV.GIGS.HHE. ML:1.1 0.0001595 0.18 AML other m 2023-01-24T12:04:25.75
IV.TERO.HHN. ML:1.2 0.000156 0.24 AML other m 2023-01-24T12:04:27.10
IV.TERO.HHE. ML:1.2 0.00014649999999999998 0.24 AML other m 2023-01-24T12:04:27.22
IV.SMA1.EHN. ML:0.5 0.000024996835000000003 0.096 AML other m 2023-01-24T12:04:28.38
IV.SMA1.EHE. ML:0.7 0.0000414753 0.2816 AML other m 2023-01-24T12:04:29.28
IV.VCEL.EHN. ML:0.9 0.00004178712499999999 0.2624 AML other m 2023-01-24T12:04:32.28
IV.VCEL.EHE. ML:0.9 0.000035753758500000006 1.8848 AML other m 2023-01-24T12:04:32.99
IV.NRCA.HHE. ML:1.1 0.00003544290999999999 0.0768 AML other m 2023-01-24T12:04:36.80
IV.NRCA.HHN. ML:0.8 0.000021264524999999998 1.8592 AML other m 2023-01-24T12:04:37.94
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