Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 02-04-2023 and time 05:44:10 (Italy) in region 2 km N Capitignano (AQ)

A magnitude ML 1.7 earthquake occured in region: 2 km N Capitignano (AQ), on

  • 02-04-2023 03:44:10 (UTC)
  • 02-04-2023 05:44:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5380, 13.3080 at 13 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
Capitignano AQ 2 665 665
Montereale AQ 5 2581 3246
Campotosto AQ 6 542 3788
Barete AQ 10 737 4525
Amatrice RI 10 2657 7182
Cagnano Amiterno AQ 11 1369 8551
Pizzoli AQ 11 4326 12877
Crognaleto TE 14 1297 14174
Borbona RI 15 617 14791
Cittareale RI 15 482 15273
Posta RI 17 694 15967
Accumoli RI 18 667 16634
Scoppito AQ 19 3727 20361
Fano Adriano TE 19 296 20657
Cortino TE 19 656 21313

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km NW of L'Aquila (69753 inhabitants)
35 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
68 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
74 Km W of Chieti (51815 inhabitants)
75 Km W of Pescara (121014 inhabitants)
76 Km NE of Tivoli (56533 inhabitants)
77 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km SE of Perugia (166134 inhabitants)
99 Km NE of Roma (2864731 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
Bulletin
Rev1000 		ML 1.7 2023-04-02
03:44:10		 42.5382 13.3077 13 2024-03-01
17:18:03		 Bollettino Sismico Italiano INGV 116372221
Reviewed
Rev100 		ML 1.7 2023-04-02
03:44:10		 42.5443 13.3108 14 2023-04-02
03:50:07		 Sala Sismica INGV-Roma 115961191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-02 03:44:10 ± 0.05
Latitude 42.5382 ± 0.0027
Longitude 13.3077 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116372221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 390
Semi-minor axis of confidence ellipse (meter) 55
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 234
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 46
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.84087
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 116372221
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-30 10:31:34

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 115961191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-02 03:50:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FNVD.HHZ. 2023-04-02T03:45:23.30 3.0 undecidable manual Sg 7.62 0
IV.SGTA.HHZ. 2023-04-02T03:45:11.43 3.0 undecidable manual Sn 0.22 0
IV.PAOL.HHZ. 2023-04-02T03:45:05.96 3.0 undecidable manual Sg 2.2 0
TV.SF11.HHZ. 2023-04-02T03:44:32.46 3.0 undecidable manual P -0.39 0
IV.CSP1.EHZ. 2023-04-02T03:44:30.00 0.3 undecidable manual S 352 61.9935 92 0.46 62
IV.FDMO.HHZ. 2023-04-02T03:44:28.73 0.1 undecidable manual S 342 58.0974 92 0.23 88
IV.CING.HHZ. 2023-04-02T03:44:26.42 0.1 undecidable manual P 354 93.3399 91 0.09 85
IV.EL6.EHZ. 2023-04-02T03:44:25.73 0.1 undecidable manual P 349 89.3439 91 0.01 87
IV.SNTG.HHZ. 2023-04-02T03:44:25.64 0.1 undecidable manual P 340 84.9483 91 0.6 76
IV.ARRO.EHZ. 2023-04-02T03:44:24.75 0.1 undecidable manual S 276 44.5221 93 -0.13 92
IV.ASSB.HHZ. 2023-04-02T03:44:23.77 0.1 undecidable manual P 317 76.9674 92 -0.04 88
IV.MMO1.EHZ. 2023-04-02T03:44:23.62 0.6 undecidable manual S 2 40.1265 94 -0.08 47
IV.INTR.HHZ. 2023-04-02T03:44:23.52 0.1 undecidable manual P 140 76.2681 92 -0.18 86
IV.NRCA.HHZ. 2023-04-02T03:44:22.44 0.6 undecidable manual S 334 36.3414 94 -0.27 45
IV.MOMA.HHZ. 2023-04-02T03:44:22.52 0.1 undecidable manual P 296 66.9774 92 0.25 86
IV.MNTT.EHZ. 2023-04-02T03:44:22.41 0.1 undecidable manual P 22 62.6928 92 0.8 73
IV.CESI.HHZ. 2023-04-02T03:44:21.33 0.1 undecidable manual P 328 61.2942 92 -0.07 91
IV.CSP1.EHZ. 2023-04-02T03:44:21.37 0.1 undecidable manual P 352 61.9935 92 -0.13 89
IV.FDMO.HHZ. 2023-04-02T03:44:20.61 0.1 undecidable manual P 342 58.0974 92 -0.3 87
IV.PTQR.HHZ. 2023-04-02T03:44:20.71 0.3 undecidable manual P 172 57.7977 92 -0.15 67
IV.MF5.EHZ. 2023-04-02T03:44:20.19 0.1 positive manual P 14 51.4152 93 0.32 87
IV.GIGS.HHZ. 2023-04-02T03:44:19.14 0.1 undecidable manual S 113 23.6541 99 -0.2 94
IV.LNSS.HHZ. 2023-04-02T03:44:19.19 0.1 undecidable manual S 288 22.9548 100 0.03 97
IV.MTRA.EHZ. 2023-04-02T03:44:19.40 0.1 undecidable manual S 17 25.2525 98 -0.37 90
IV.VCEL.EHZ. 2023-04-02T03:44:19.45 0.6 negative manual P 110 46.4202 93 0.34 44
IV.TERO.HHZ. 2023-04-02T03:44:19.56 0.6 undecidable manual S 69 25.9518 98 -0.39 45
7F.SIB1.EHE. 2023-04-02T03:44:18.00 0.1 undecidable manual P 356 39.627 94 -0.07 94
IV.ARRO.EHZ. 2023-04-02T03:44:18.67 0.1 undecidable manual P 276 44.5221 93 -0.14 92
MN.AQU.HNN. 2023-04-02T03:44:18.93 0.6 undecidable manual S 159 21.9669 101 0.04 49
IV.ASCOL.EHN. 2023-04-02T03:44:18.23 0.1 undecidable manual P 33 41.625 94 -0.14 92
IV.MMO1.EHZ. 2023-04-02T03:44:18.02 0.1 positive manual P 2 40.1265 94 -0.11 93
7F.SIB2.EHE. 2023-04-02T03:44:17.76 0.1 undecidable manual P 360 39.1275 94 -0.23 91
IV.GAVE.EHN. 2023-04-02T03:44:17.81 0.1 undecidable manual P 297 37.8288 94 0.03 95
IV.NRCA.HHZ. 2023-04-02T03:44:17.38 0.1 positive manual P 334 36.3414 94 -0.18 93
7F.SIB3.EHN. 2023-04-02T03:44:17.50 0.3 undecidable manual P 355 37.5291 94 -0.23 68
IV.SMA1.EHZ. 2023-04-02T03:44:16.12 0.1 undecidable manual S 12 10.4784 129 0.04 100
IV.TERO.HHZ. 2023-04-02T03:44:15.83 0.1 undecidable manual P 69 25.9518 98 -0.14 95
IV.RM33.EHZ. 2023-04-02T03:44:15.48 0.1 undecidable manual S 247 8.2806 138 -0.17 97
IV.GIGS.HHZ. 2023-04-02T03:44:15.53 0.1 undecidable manual P 113 23.6541 99 -0.09 96
IV.CAMP.HHZ. 2023-04-02T03:44:15.65 0.6 undecidable manual S 92 8.2806 138 -0.01 50
IV.LNSS.HHZ. 2023-04-02T03:44:15.59 0.3 positive manual P 288 22.9548 100 0.08 72
MN.AQU.HNN. 2023-04-02T03:44:15.51 0.1 undecidable manual P 159 21.9669 101 0.16 95
IV.MTRA.EHZ. 2023-04-02T03:44:15.70 0.1 undecidable manual P 17 25.2525 98 -0.17 95
IV.SMA1.EHZ. 2023-04-02T03:44:13.93 0.1 positive manual P 12 10.4784 129 0.19 97
IV.RM33.EHZ. 2023-04-02T03:44:13.68 0.1 undecidable manual P 247 8.2806 138 0.19 97
IV.CAMP.HHZ. 2023-04-02T03:44:13.73 0.1 negative manual P 92 8.2806 138 0.24 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:2.2 0.001985 0.26 AML other m 2023-04-02T03:44:15.84
IV.RM33.HNN. ML:2.2 0.001935 0.26 AML other m 2023-04-02T03:44:15.84
IV.CAMP.HHE. ML:1.9 0.0008774999999999999 0.16 AML other m 2023-04-02T03:44:15.80
IV.RM33.EHE. ML:2.4 0.0027 0.26 AML other m 2023-04-02T03:44:15.87
IV.RM33.HNE. ML:2.4 0.0028250000000000003 0.26 AML other m 2023-04-02T03:44:15.87
IV.CAMP.HHN. ML:1.7 0.0006360000000000001 0.44 AML other m 2023-04-02T03:44:15.99
IV.SMA1.EHN. ML:2.4 0.002375 0.3 AML other m 2023-04-02T03:44:16.70
IV.SMA1.EHE. ML:2.5 0.00327 0.24 AML other m 2023-04-02T03:44:16.58
IV.LNSS.HHN. ML:1.6 0.00022399999999999997 0.14 AML other m 2023-04-02T03:44:19.58
IV.TERO.HHN. ML:1.9 0.00043599999999999997 0.4 AML other m 2023-04-02T03:44:19.71
IV.MTRA.HNE. ML:1.8 0.000332 0.32 AML other m 2023-04-02T03:44:19.66
IV.TERO.HHE. ML:1.8 0.000373 1.62 AML other m 2023-04-02T03:44:19.90
IV.MTRA.HNN. ML:1.8 0.0003565 0.64 AML other m 2023-04-02T03:44:20.20
IV.LNSS.HHE. ML:1.6 0.000236 0.36 AML other m 2023-04-02T03:44:20.28
IV.GIGS.HHE. ML:1.0 0.00006565 0.56 AML other m 2023-04-02T03:44:20.50
IV.GIGS.HHN. ML:1.0 0.0000656 0.62 AML other m 2023-04-02T03:44:20.72
IV.NRCA.HNE. ML:2.2 0.0005865 0.36 AML other m 2023-04-02T03:44:22.66
IV.NRCA.HHE. ML:2.2 0.0006174999999999999 0.38 AML other m 2023-04-02T03:44:22.66
IV.NRCA.HNN. ML:2.1 0.0004545 0.76 AML other m 2023-04-02T03:44:22.60
IV.NRCA.HHN. ML:2.0 0.00033650000000000005 1.34 AML other m 2023-04-02T03:44:23.26
IV.MMO1.EHN. ML:1.6 0.000147 0.54 AML other m 2023-04-02T03:44:24.69
IV.MMO1.EHE. ML:1.7 0.0001595 0.48 AML other m 2023-04-02T03:44:25.08
IV.ARRO.EHN. ML:1.5 0.000091 0.9 AML other m 2023-04-02T03:44:25.94
IV.ARRO.EHE. ML:1.3 0.000055849999999999996 0.7 AML other m 2023-04-02T03:44:26.63
IV.MF5.EHN. ML:1.7 0.00011649999999999999 0.74 AML other m 2023-04-02T03:44:28.17
IV.MF5.EHE. ML:1.6 0.00010899999999999999 1.1 AML other m 2023-04-02T03:44:28.28
IV.VCEL.EHN. ML:1.8 0.000175 1.4 AML other m 2023-04-02T03:44:28.94
IV.FDMO.HHN. ML:1.4 0.00005830000000000001 0.3 AML other m 2023-04-02T03:44:29.47
IV.VCEL.EHE. ML:1.7 0.00014450000000000002 1.1 AML other m 2023-04-02T03:44:29.74
IV.CESI.HHN. ML:1.7 0.00010485 0.2 AML other m 2023-04-02T03:44:30.65
IV.FDMO.HHE. ML:1.6 0.00007815 1.1 AML other m 2023-04-02T03:44:30.25
IV.CSP1.EHE. ML:2.0 0.000177 0.18 AML other m 2023-04-02T03:44:31.45
IV.CESI.HHE. ML:1.5 0.00006285000000000001 0.74 AML other m 2023-04-02T03:44:32.92
IV.CSP1.EHN. ML:2.0 0.0002175 1.2 AML other m 2023-04-02T03:44:32.28
IV.MOMA.HHE. ML:1.6 0.00007324999999999999 0.82 AML other m 2023-04-02T03:44:33.93
IV.ASSB.HHE. ML:1.5 0.00004405000000000001 0.94 AML other m 2023-04-02T03:44:35.83
IV.ASSB.HHN. ML:1.6 0.000066 0.86 AML other m 2023-04-02T03:44:36.48
IV.SNTG.HHN. ML:1.3 0.00002665 1.14 AML other m 2023-04-02T03:44:37.57
IV.MOMA.HHN. ML:1.1 0.0000177 1.48 AML other m 2023-04-02T03:44:37.90
IV.SNTG.HHE. ML:1.4 0.0000303 1.56 AML other m 2023-04-02T03:44:41.01
IV.CING.HHN. ML:1.5 0.0000352 0.6 AML other m 2023-04-02T03:44:41.49
IV.CING.HHE. ML:1.6 0.00003825 1.48 AML other m 2023-04-02T03:44:46.86
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