Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 07-04-2023 and time 03:09:15 (UTC) in region 6 km E Capitignano (AQ)

A magnitude ML 1.0 earthquake occured in region: 6 km E Capitignano (AQ), on

  • 07-04-2023 03:09:15 (UTC)
  • 07-04-2023 05:09:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4950, 13.3700 at 10 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 6 665 665
Campotosto AQ 7 542 1207
Barete AQ 9 737 1944
Pizzoli AQ 9 4326 6270
Montereale AQ 11 2581 8851
Crognaleto TE 11 1297 10148
Cagnano Amiterno AQ 13 1369 11517
Fano Adriano TE 15 296 11813
Pietracamela TE 16 271 12084
L'Aquila AQ 16 69753 81837
Amatrice RI 16 2657 84494
Scoppito AQ 17 3727 88221
Cortino TE 18 656 88877
Borbona RI 20 617 89494

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km N of L'Aquila (69753 inhabitants)
33 Km SW of Teramo (54892 inhabitants)
60 Km E of Terni (111501 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
67 Km W of Chieti (51815 inhabitants)
69 Km W of Pescara (121014 inhabitants)
75 Km SE of Foligno (57155 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
76 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km NE of Roma (2864731 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 1.0 2023-04-07
03:09:15		 42.495 13.3702 10 2024-03-01
17:18:03		 Bollettino Sismico Italiano INGV 116340071
Reviewed
Rev100 		ML 1.0 2023-04-07
03:09:15		 42.4902 13.3787 10 2023-04-07
03:16:49		 Sala Sismica INGV-Roma 116128921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-07 03:09:15 ± 0.06
Latitude 42.4950 ± 0.0036
Longitude 13.3702 ± 0.0049
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116340071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 490
Semi-minor axis of confidence ellipse (meter) 228
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 69
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
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) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.60884
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 116340071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-13 12:52:57

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 116128921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-07 03:16:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-04-07T03:09:36.06 0.3 undecidable manual S 349 67.5768 50 0.04 71
IV.T0110.HHZ. 2023-04-07T03:09:30.09 0.3 undecidable manual S 131 44.4222 50 0.24 71
IV.MMO1.EHZ. 2023-04-07T03:09:30.01 0.3 undecidable manual S 356 45.0216 50 0.01 74
IV.NRCA.HHZ. 2023-04-07T03:09:29.26 0.6 undecidable manual S 331 42.9237 50 -0.2 48
IV.VCEL.EHN. 2023-04-07T03:09:28.99 0.3 undecidable manual S 106 40.1265 50 0.3 70
IV.CSP1.EHZ. 2023-04-07T03:09:27.28 1.0 undecidable manual P 349 67.5768 50 0.01 24
IV.LNSS.HHZ. 2023-04-07T03:09:25.65 0.3 undecidable manual S 294 29.4483 50 -0.21 73
IT.CSO1.HGZ. 2023-04-07T03:09:24.46 1.0 undecidable manual P 208 49.5171 50 -0.02 24
IV.T0110.HHZ. 2023-04-07T03:09:24.04 0.1 undecidable manual P 131 44.4222 50 0.33 92
IV.NRCA.HHZ. 2023-04-07T03:09:23.24 0.3 undecidable manual P 331 42.9237 50 -0.24 71
IV.TERO.HHZ. 2023-04-07T03:09:23.85 0.3 undecidable manual S 53 23.754 113 -0.44 70
IV.MMO1.EHZ. 2023-04-07T03:09:23.48 0.3 undecidable manual P 356 45.0216 50 -0.31 70
IV.VCEL.EHN. 2023-04-07T03:09:23.42 0.1 undecidable manual P 106 40.1265 50 0.38 92
IV.FAGN.HHZ. 2023-04-07T03:09:21.14 0.6 undecidable manual P 145 30.8469 50 -0.48 46
IV.RM33.EHZ. 2023-04-07T03:09:21.06 0.3 undecidable manual S 277 12.7761 128 0.06 77
IV.SMA1.EHZ. 2023-04-07T03:09:21.95 0.3 undecidable manual S 349 15.2736 124 0.26 74
MN.AQU.HNN. 2023-04-07T03:09:21.72 0.6 undecidable manual S 170 15.873 123 -0.14 51
IV.LNSS.HHZ. 2023-04-07T03:09:21.29 0.3 undecidable manual P 294 29.4483 50 -0.12 75
IV.GIGS.HHZ. 2023-04-07T03:09:21.90 0.3 undecidable manual S 106 17.1717 121 -0.35 72
IV.TERO.HHZ. 2023-04-07T03:09:20.30 0.3 undecidable manual P 53 23.754 113 -0.2 74
IV.SMA1.EHZ. 2023-04-07T03:09:19.23 0.3 undecidable manual P 349 15.2736 124 0.23 75
IV.CAMP.HHZ. 2023-04-07T03:09:19.56 0.3 undecidable manual S 35 5.4945 151 0.23 76
IV.GIGS.HHZ. 2023-04-07T03:09:19.27 0.3 undecidable manual P 106 17.1717 121 -0.05 77
MN.AQU.HNN. 2023-04-07T03:09:18.62 0.3 undecidable manual P 170 15.873 123 -0.48 71
IV.RM33.EHZ. 2023-04-07T03:09:18.82 0.1 positive manual P 277 12.7761 128 0.22 100
IV.CAMP.HHZ. 2023-04-07T03:09:17.94 0.3 undecidable manual P 35 5.4945 151 0.31 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:0.6 0.000063 0.26 AML other m 2023-04-07T03:09:19.80
IV.CAMP.HHN. ML:0.9 0.0001275 0.4 AML other m 2023-04-07T03:09:19.74
IV.RM33.EHE. ML:1.2 0.0001485 0.3 AML other m 2023-04-07T03:09:21.24
IV.RM33.EHN. ML:1.1 0.0001395 0.32 AML other m 2023-04-07T03:09:21.46
IV.SMA1.EHN. ML:0.8 0.00005755 1.38 AML other m 2023-04-07T03:09:22.25
IV.SMA1.EHE. ML:0.8 0.00006170000000000001 0.18 AML other m 2023-04-07T03:09:22.50
IV.TERO.HHN. ML:1.0 0.0000544 0.42 AML other m 2023-04-07T03:09:23.89
IV.LNSS.HHE. ML:1.1 0.0000621 0.16 AML other m 2023-04-07T03:09:26.10
IV.LNSS.HHN. ML:0.9 0.00004235 1.52 AML other m 2023-04-07T03:09:26.17
IV.NRCA.HHN. ML:1.3 0.0000591 0.72 AML other m 2023-04-07T03:09:29.58
IV.NRCA.HHE. ML:1.3 0.00006335000000000001 0.08 AML other m 2023-04-07T03:09:30.14
IV.TERO.HHE. ML:1.6 0.0002275 1.08 AML other m 2023-04-07T03:09:32.78
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