Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 07-02-2023 and time 09:58:20 (UTC) in region 7 km W Cortino (TE)

A magnitude ML 1.5 earthquake occured in region: 7 km W Cortino (TE), on

  • 07-02-2023 09:58:20 (UTC)
  • 07-02-2023 10:58:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6510, 13.4260 at 21 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
Cortino TE 8 656 656
Rocca Santa Maria TE 9 537 1193
Valle Castellana TE 11 977 2170
Campotosto AQ 11 542 2712
Amatrice RI 11 2657 5369
Crognaleto TE 12 1297 6666
Acquasanta Terme AP 13 2916 9582
Fano Adriano TE 14 296 9878
Accumoli RI 15 667 10545
Arquata del Tronto AP 17 1178 11723
Pietracamela TE 18 271 11994
Capitignano AQ 18 665 12659
Montorio al Vomano TE 19 8218 20877
Torricella Sicura TE 19 2641 23518

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km W of Teramo (54892 inhabitants)
33 Km N of L'Aquila (69753 inhabitants)
61 Km W of Montesilvano (53738 inhabitants)
65 Km E of Terni (111501 inhabitants)
68 Km W of Pescara (121014 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
69 Km W of Chieti (51815 inhabitants)
92 Km NE of Tivoli (56533 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
99 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
Bulletin
Rev1000 		ML 1.5 2023-02-07
09:58:20		 42.6512 13.4257 21 2024-03-01
17:18:15		 Bollettino Sismico Italiano INGV 120408691
Reviewed
Rev100 		ML 1.5 2023-02-07
09:58:19		 42.6577 13.4397 22 2023-02-07
10:06:46		 Sala Sismica INGV-Roma 114215041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-07 09:58:20 ± 0.11
Latitude 42.6512 ± 0.0045
Longitude 13.4257 ± 0.0073
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 120408691

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 662
Semi-minor axis of confidence ellipse (meter) 328
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.06925
Epicentral distance of station farthest from the epicenter (degree) 0.56927
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 120408691
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-23 12:48:52

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 114215041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-07 10:06:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2023-02-07T09:58:40.09 0.3 undecidable manual S 324 63.1923 101 0.4 63
IV.CSP1.EHZ. 2023-02-07T09:58:36.96 0.3 undecidable manual S 340 52.1034 104 0.16 68
IV.MF5.EHZ. 2023-02-07T09:58:33.75 0.6 undecidable manual S 4 37.4292 111 0.67 41
IV.MML1.EHZ. 2023-02-07T09:58:31.12 0.3 undecidable manual P 324 63.1923 101 -0.29 65
IV.NRCA.HHZ. 2023-02-07T09:58:31.66 0.6 undecidable manual S 309 32.4453 115 -0.2 46
IV.RM33.EHZ. 2023-02-07T09:58:30.00 0.6 undecidable manual S 228 23.3544 125 0.24 47
IV.GIGS.HHZ. 2023-02-07T09:58:30.12 0.3 undecidable manual S 151 25.0527 123 0 73
IV.CSP1.EHZ. 2023-02-07T09:58:29.46 0.1 positive manual P 340 52.1034 104 -0.28 88
IV.TERO.HHZ. 2023-02-07T09:58:28.09 0.3 undecidable manual S 102 14.874 140 0.01 75
IV.SMA1.EHZ. 2023-02-07T09:58:27.06 0.3 undecidable manual S 253 7.6812 157 -0.02 75
IV.MTRA.EHZ. 2023-02-07T09:58:27.42 0.3 undecidable manual S 349 11.9769 147 -0.19 72
IV.CAMP.HHZ. 2023-02-07T09:58:27.95 0.6 undecidable manual S 186 12.876 144 0.2 48
IV.MF5.EHZ. 2023-02-07T09:58:27.91 0.3 undecidable manual P 4 37.4292 111 0.32 67
IV.NRCA.HHZ. 2023-02-07T09:58:26.64 0.1 negative manual P 309 32.4453 115 -0.25 92
IV.RM33.EHZ. 2023-02-07T09:58:25.73 0.1 undecidable manual P 228 23.3544 125 0.06 97
IV.GIGS.HHZ. 2023-02-07T09:58:25.77 0.1 undecidable manual P 151 25.0527 123 -0.11 96
IV.TERO.HHZ. 2023-02-07T09:58:24.67 0.1 negative manual P 102 14.874 140 -0.03 99
IV.SMA1.EHZ. 2023-02-07T09:58:24.19 0.1 undecidable manual P 253 7.6812 157 0.06 100
IV.MTRA.EHZ. 2023-02-07T09:58:24.27 0.1 undecidable manual P 349 11.9769 147 -0.17 97
IV.CAMP.HHZ. 2023-02-07T09:58:24.61 0.1 undecidable manual P 186 12.876 144 0.09 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.6 0.000272 0.34 AML other m 2023-02-07T09:58:27.48
IV.SMA1.EHE. ML:1.5 0.0002455 0.08 AML other m 2023-02-07T09:58:27.50
IV.MTRA.EHN. ML:1.3 0.00014350000000000002 0.12 AML other m 2023-02-07T09:58:27.61
IV.CAMP.HHN. ML:1.4 0.000145 0.36 AML other m 2023-02-07T09:58:28.22
IV.CAMP.HHE. ML:1.3 0.000122 0.12 AML other m 2023-02-07T09:58:28.09
IV.MTRA.EHE. ML:1.5 0.00020250000000000002 1.1 AML other m 2023-02-07T09:58:28.67
IV.TERO.HHN. ML:1.5 0.00021550000000000003 0.22 AML other m 2023-02-07T09:58:28.29
IV.TERO.HHE. ML:1.4 0.0001555 0.14 AML other m 2023-02-07T09:58:28.33
IV.NRCA.HHE. ML:1.6 0.000167 0.3 AML other m 2023-02-07T09:58:31.83
IV.NRCA.HHN. ML:1.5 0.000118 0.88 AML other m 2023-02-07T09:58:32.94
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