Earthquake with magnitude of ML 0.8 on date 16-02-2023 and time 08:09:20 (UTC) in region 4 km SW Crognaleto (TE)

A magnitude ML 0.8 earthquake occured in region: 4 km SW Crognaleto (TE), on

  • 16-02-2023 08:09:20 (UTC)
  • 16-02-2023 09:09:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5110, 13.4640 at 14 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.

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
Fano Adriano TE 8 296 1593
Pietracamela TE 8 271 1864
Campotosto AQ 9 542 2406
Cortino TE 13 656 3062
Capitignano AQ 13 665 3727
Tossicia TE 16 1406 5133
Pizzoli AQ 16 4326 9459
Montorio al Vomano TE 16 8218 17677
Isola del Gran Sasso d'Italia TE 16 4773 22450
Barete AQ 16 737 23187
Montereale AQ 18 2581 25768
Colledara TE 18 2179 27947
L'Aquila AQ 19 69753 97700
Amatrice RI 20 2657 100357

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km N of L'Aquila (69753 inhabitants)
26 Km SW of Teramo (54892 inhabitants)
56 Km W of Montesilvano (53738 inhabitants)
61 Km W of Chieti (51815 inhabitants)
62 Km W of Pescara (121014 inhabitants)
67 Km E of Terni (111501 inhabitants)
79 Km SE of Foligno (57155 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
83 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 0.8 2023-02-16
08:09:20
42.5112 13.464 14 2024-03-01
17:17:57
Bollettino Sismico Italiano INGV 114942491
Reviewed
Rev100
ML 0.9 2023-02-16
08:09:20
42.5157 13.468 13 2023-02-16
08:36:02
Sala Sismica INGV-Roma 114479671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-16 08:09:20 ± 0.17
Latitude 42.5112 ± 0.0099
Longitude 13.4640 ± 0.0061
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 114942491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 998
Semi-minor axis of confidence ellipse (meter) 596
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 193
Circular confidence region, given by single value of horizontal uncertainty (meter) 1000.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 143
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.04766
Epicentral distance of station farthest from the epicenter (degree) 0.30127
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 114942491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-02 15:43:32

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 114479671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-16 08:36:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VCEL.EHZ. 2023-02-16T08:09:32.55 0.6 undecidable manual S 113 33.4443 98 0.57 43
IV.RM33.EHZ. 2023-02-16T08:09:28.61 0.6 undecidable manual S 269 20.3685 109 0.03 50
IV.TERO.HHZ. 2023-02-16T08:09:27.50 0.6 undecidable manual S 43 16.872 116 -0.21 49
IV.VCEL.EHZ. 2023-02-16T08:09:27.44 0.3 undecidable manual P 113 33.4443 98 0.3 70
IV.SMA1.EHZ. 2023-02-16T08:09:27.52 0.3 undecidable manual S 322 16.872 116 -0.2 73
IV.CAMP.HHZ. 2023-02-16T08:09:25.64 0.1 undecidable manual S 301 5.2947 155 0.16 99
IV.GIGS.HHZ. 2023-02-16T08:09:25.95 0.3 undecidable manual S 126 10.9779 132 -0.45 70
IV.RM33.EHZ. 2023-02-16T08:09:25.14 0.1 undecidable manual P 269 20.3685 109 -0.04 98
IV.TERO.HHZ. 2023-02-16T08:09:24.59 0.1 undecidable manual P 43 16.872 116 -0.09 99
IV.SMA1.EHZ. 2023-02-16T08:09:24.75 0.1 undecidable manual P 322 16.872 116 0.07 100
IV.CAMP.HHZ. 2023-02-16T08:09:23.58 0.1 undecidable manual P 301 5.2947 155 0.19 99
IV.GIGS.HHZ. 2023-02-16T08:09:23.79 0.1 undecidable manual P 126 10.9779 132 -0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:0.9 0.00009595 0.16 AML other m 2023-02-16T08:09:25.78
IV.CAMP.HHN. ML:0.9 0.00010125000000000001 1.54 AML other m 2023-02-16T08:09:25.81
IV.GIGS.HHE. ML:0.6 0.00003555 0.16 AML other m 2023-02-16T08:09:26.13
IV.GIGS.HHN. ML:0.7 0.00004255 0.2 AML other m 2023-02-16T08:09:26.13
IV.TERO.HHE. ML:1.0 0.0000864 0.06 AML other m 2023-02-16T08:09:27.62
IV.TERO.HHN. ML:1.2 0.000113 0.08 AML other m 2023-02-16T08:09:27.63
IV.SMA1.EHN. ML:0.9 0.0000578 0.32 AML other m 2023-02-16T08:09:28.16
IV.SMA1.EHE. ML:0.8 0.000051750000000000004 0.82 AML other m 2023-02-16T08:09:28.17
IV.RM33.EHN. ML:0.7 0.00002755 0.54 AML other m 2023-02-16T08:09:29.79
IV.RM33.EHE. ML:0.7 0.000036049999999999995 0.78 AML other m 2023-02-16T08:09:30.51
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