Earthquake with magnitude of ML 1.1 on date 17-04-2023 and time 02:16:39 (UTC) in region 4 km NE Barete (AQ)

A magnitude ML 1.1 earthquake occured in region: 4 km NE Barete (AQ), on

  • 17-04-2023 02:16:39 (UTC)
  • 17-04-2023 04:16:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4800, 13.3190 at 13 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Barete AQ 4 737 737
Capitignano AQ 5 665 1402
Pizzoli AQ 5 4326 5728
Montereale AQ 8 2581 8309
Cagnano Amiterno AQ 8 1369 9678
Campotosto AQ 10 542 10220
Scoppito AQ 13 3727 13947
Crognaleto TE 15 1297 15244
Borbona RI 16 617 15861
L'Aquila AQ 16 69753 85614
Amatrice RI 17 2657 88271
Posta RI 19 694 88965
Fano Adriano TE 20 296 89261

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of L'Aquila (69753 inhabitants)
38 Km SW of Teramo (54892 inhabitants)
56 Km E of Terni (111501 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
71 Km W of Chieti (51815 inhabitants)
72 Km NE of Tivoli (56533 inhabitants)
72 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km SE of Foligno (57155 inhabitants)
74 Km W of Pescara (121014 inhabitants)
95 Km NE of Roma (2864731 inhabitants)
99 Km NE of Velletri (53303 inhabitants)
100 Km E of Viterbo (67173 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 1.1 2023-04-17
02:16:39
42.4798 13.3187 13 2023-04-17
02:22:53
Sala Sismica INGV-Roma 116444131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-17 02:16:39 ± 0.08
Latitude 42.4798 ± 0.0045
Longitude 13.3187 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116444131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 469
Semi-minor axis of confidence ellipse (meter) 58
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 19
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.08184
Epicentral distance of station farthest from the epicenter (degree) 0.38401
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 116444131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-17 02:22:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-04-17T02:16:53.35 0.3 undecidable manual S 337 42.624 93 -0.02 71
IV.LNSS.HHZ. 2023-04-17T02:16:49.08 0.3 undecidable manual S 301 26.5512 97 -0.01 73
IV.TERO.HHZ. 2023-04-17T02:16:49.42 0.3 undecidable manual S 56 28.1496 96 -0.11 72
IV.GIGS.HHZ. 2023-04-17T02:16:47.24 0.6 undecidable manual S 98 20.9679 101 -0.39 46
IV.NRCA.HHZ. 2023-04-17T02:16:47.39 0.1 undecidable manual P 337 42.624 93 -0.13 93
IV.SMA1.EHZ. 2023-04-17T02:16:46.78 0.3 undecidable manual S 5 16.7721 108 0.25 71
MN.AQU.HNN. 2023-04-17T02:16:46.38 0.3 undecidable manual S 153 15.6732 111 0.12 74
IV.LNSS.HHZ. 2023-04-17T02:16:45.02 0.3 undecidable manual P 301 26.5512 97 -0.03 73
IV.TERO.HHZ. 2023-04-17T02:16:45.34 0.1 undecidable manual P 56 28.1496 96 0.04 97
IV.RM33.EHZ. 2023-04-17T02:16:44.45 0.3 undecidable manual S 291 9.0798 134 -0.33 70
IV.GIGS.HHZ. 2023-04-17T02:16:44.29 0.6 undecidable manual P 98 20.9679 101 0.09 49
IV.CAMP.HHZ. 2023-04-17T02:16:44.84 0.3 undecidable manual S 50 9.6792 132 -0.04 75
MN.AQU.HNN. 2023-04-17T02:16:43.58 0.3 undecidable manual P 153 15.6732 111 0.17 73
IV.SMA1.EHZ. 2023-04-17T02:16:43.73 0.1 undecidable manual P 5 16.7721 108 0.16 96
IV.RM33.EHZ. 2023-04-17T02:16:42.54 0.1 undecidable manual P 291 9.0798 134 -0.02 100
IV.CAMP.HHZ. 2023-04-17T02:16:42.79 0.1 undecidable manual P 50 9.6792 132 0.17 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.2 0.000167 0.96 AML other m 2023-04-17T02:16:44.02
IV.RM33.EHE. ML:1.3 0.00021050000000000002 0.24 AML other m 2023-04-17T02:16:44.56
IV.CAMP.HHE. ML:1.0 0.0001094 0.44 AML other m 2023-04-17T02:16:44.63
IV.CAMP.HHN. ML:1.0 0.00011115 1.58 AML other m 2023-04-17T02:16:45.97
IV.SMA1.EHE. ML:1.3 0.00016749999999999998 0.54 AML other m 2023-04-17T02:16:47.39
IV.SMA1.EHN. ML:1.3 0.00017549999999999998 0.34 AML other m 2023-04-17T02:16:47.25
IV.RM33.HNE. ML:1.0 0.00012040753679999999 0.1504 AML other m 2023-04-17T02:16:44.67
IV.RM33.HNN. ML:1.1 0.00015351853 0.2 AML other m 2023-04-17T02:16:45.02
IV.LNSS.HHE. ML:1.0 0.000050554839999999995 0.2608 AML other m 2023-04-17T02:16:50.20
IV.TERO.HHE. ML:1.0 0.000046113735 0.08 AML other m 2023-04-17T02:16:49.84
IV.TERO.HHN. ML:0.8 0.000036011534999999995 0.08 AML other m 2023-04-17T02:16:50.17
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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