Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 23-02-2022 and time 10:47:34 (Italy) in region 3 km NW Campotosto (AQ)

A magnitude ML 1.2 earthquake occured in region: 3 km NW Campotosto (AQ), on

  • 23-02-2022 09:47:34 (UTC)
  • 23-02-2022 10:47:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5760, 13.3510 at 12 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 3 542 542
Capitignano AQ 7 665 1207
Amatrice RI 8 2657 3864
Montereale AQ 10 2581 6445
Crognaleto TE 11 1297 7742
Cortino TE 14 656 8398
Barete AQ 15 737 9135
Fano Adriano TE 16 296 9431
Accumoli RI 16 667 10098
Pizzoli AQ 16 4326 14424
Cittareale RI 16 482 14906
Cagnano Amiterno AQ 17 1369 16275
Pietracamela TE 18 271 16546
Rocca Santa Maria TE 19 537 17083
Borbona RI 19 617 17700

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km N of L'Aquila (69753 inhabitants)
31 Km W of Teramo (54892 inhabitants)
58 Km E of Terni (111501 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
72 Km W of Chieti (51815 inhabitants)
72 Km W of Pescara (121014 inhabitants)
82 Km NE of Tivoli (56533 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
98 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 1.2 2022-02-23
09:47:34		 42.5757 13.351 12 2022-02-23
09:53:32		 Sala Sismica INGV-Roma 101370941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-23 09:47:34 ± 0.11
Latitude 42.5757 ± 0.0054
Longitude 13.3510 ± 0.0073
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 101370941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 574
Semi-minor axis of confidence ellipse (meter) 410
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 229
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 104
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.35613
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 101370941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-23 09:53:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MC2.EHZ. 2022-02-23T09:47:48.18 0.6 undecidable manual S 341 39.5271 92 0.37 44
IV.NRCA.HHZ. 2022-02-23T09:47:46.33 0.6 undecidable manual S 326 34.5432 92 -0.15 47
IV.MTRA.EHZ. 2022-02-23T09:47:42.50 0.6 undecidable manual S 10 20.4684 97 -0.23 47
IV.MC2.EHZ. 2022-02-23T09:47:42.51 1.0 positive manual P 341 39.5271 92 0.2 23
IV.TERO.HHZ. 2022-02-23T09:47:42.76 0.6 undecidable manual S 76 21.2676 96 -0.2 47
IV.NRCA.HHZ. 2022-02-23T09:47:41.42 0.3 negative manual P 326 34.5432 92 -0.12 71
IV.RM33.EHZ. 2022-02-23T09:47:40.51 0.6 undecidable manual S 237 13.3755 112 -0.38 47
IV.CAMP.HHZ. 2022-02-23T09:47:39.34 0.6 undecidable manual S 133 6.4935 143 -0.09 49
IV.TERO.HHZ. 2022-02-23T09:47:39.58 0.1 undecidable manual P 76 21.2676 96 0.06 98
IV.SMA1.EHZ. 2022-02-23T09:47:39.19 0.6 undecidable manual S 348 6.1938 144 -0.2 48
IV.MTRA.EHZ. 2022-02-23T09:47:39.38 0.1 positive manual P 10 20.4684 97 0 99
IV.RM33.EHZ. 2022-02-23T09:47:38.30 0.1 positive manual P 237 13.3755 112 -0.02 100
IV.SMA1.EHZ. 2022-02-23T09:47:37.67 0.1 positive manual P 348 6.1938 144 0.22 97
IV.CAMP.HHZ. 2022-02-23T09:47:37.67 0.1 undecidable manual P 133 6.4935 143 0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.1 0.0001603 0.2 AML other m 2022-02-23T09:47:39.88
IV.SMA1.EHN. ML:0.8 0.00009429999999999999 0.4 AML other m 2022-02-23T09:47:40.28
IV.RM33.EHE. ML:1.0 0.00010725000000000002 1.66 AML other m 2022-02-23T09:47:40.09
IV.RM33.EHN. ML:1.1 0.0001235 1.7 AML other m 2022-02-23T09:47:41.91
IV.MTRA.EHN. ML:1.5 0.0002045 0.1 AML other m 2022-02-23T09:47:42.59
IV.MTRA.EHE. ML:1.3 0.00014900000000000002 1.52 AML other m 2022-02-23T09:47:42.76
IV.TERO.HHE. ML:1.1 0.0000807 1.08 AML other m 2022-02-23T09:47:42.24
IV.TERO.HHN. ML:1.1 0.00009095 0.28 AML other m 2022-02-23T09:47:42.93
IV.NRCA.HHN. ML:1.1 0.00005735 0.1 AML other m 2022-02-23T09:47:46.54
IV.NRCA.HHE. ML:1.4 0.0000923 0.68 AML other m 2022-02-23T09:47:46.37
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