Earthquake with magnitude of ML 1.0 on date 16-04-2023 and time 06:28:37 (UTC) in region 4 km N Capitignano (AQ)

A magnitude ML 1.0 earthquake occured in region: 4 km N Capitignano (AQ), on

  • 16-04-2023 06:28:37 (UTC)
  • 16-04-2023 08:28:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5550, 13.3060 at 11 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
Capitignano AQ 4 665 665
Campotosto AQ 5 542 1207
Montereale AQ 6 2581 3788
Amatrice RI 9 2657 6445
Barete AQ 12 737 7182
Cagnano Amiterno AQ 12 1369 8551
Pizzoli AQ 13 4326 12877
Cittareale RI 14 482 13359
Crognaleto TE 14 1297 14656
Borbona RI 15 617 15273
Accumoli RI 16 667 15940
Posta RI 18 694 16634
Cortino TE 18 656 17290
Fano Adriano TE 19 296 17586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of L'Aquila (69753 inhabitants)
35 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
66 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)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
78 Km NE of Tivoli (56533 inhabitants)
97 Km SE of Perugia (166134 inhabitants)
100 Km E of Viterbo (67173 inhabitants)
100 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
Reviewed
Rev100
ML 1.0 2023-04-16
06:28:37
42.5547 13.3063 11 2023-04-16
07:23:15
Sala Sismica INGV-Roma 116426891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-16 06:28:37 ± 0.07
Latitude 42.5547 ± 0.0054
Longitude 13.3063 ± 0.0037
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116426891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 538
Semi-minor axis of confidence ellipse (meter) 202
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 359
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
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) 0.07824
Epicentral distance of station farthest from the epicenter (degree) 0.31206
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:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 13
Type of magnitude ML
Reference to an origin 116426891
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-16 07:23:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2023-04-16T06:28:48.93 0.6 undecidable manual S 333 34.6431 50 -0.21 48
IV.TERO.HHZ. 2023-04-16T06:28:46.44 0.6 undecidable manual S 73 25.4523 50 -0.24 48
IV.GIGS.HHZ. 2023-04-16T06:28:46.16 0.3 undecidable manual S 117 24.5532 50 -0.28 71
IV.LNSS.HHZ. 2023-04-16T06:28:45.67 0.6 undecidable manual S 284 22.3554 50 -0.19 49
IV.NRCA.HHZ. 2023-04-16T06:28:44.09 0.6 undecidable manual P 333 34.6431 50 -0.07 49
IV.GIGS.HHZ. 2023-04-16T06:28:42.80 0.3 undecidable manual P 117 24.5532 50 0.2 71
IV.LNSS.HHZ. 2023-04-16T06:28:42.27 0.1 undecidable manual P 284 22.3554 50 0 98
IV.SMA1.EHZ. 2023-04-16T06:28:42.06 0.6 undecidable manual S 16 8.7801 141 -0.11 49
IV.TERO.HHZ. 2023-04-16T06:28:42.71 0.1 undecidable manual P 73 25.4523 50 -0.03 99
IV.CAMP.HHZ. 2023-04-16T06:28:42.11 0.6 undecidable manual S 104 8.6802 141 -0.04 50
IV.RM33.EHZ. 2023-04-16T06:28:41.94 0.6 undecidable manual S 236 9.0798 140 -0.3 47
IV.CAMP.HHZ. 2023-04-16T06:28:40.39 0.3 negative manual P 104 8.6802 141 0.27 73
IV.RM33.EHZ. 2023-04-16T06:28:40.30 0.1 positive manual P 236 9.0798 140 0.12 100
IV.SMA1.EHZ. 2023-04-16T06:28:40.29 0.1 undecidable manual P 16 8.7801 141 0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.0 0.0001385 1.12 AML other m 2023-04-16T06:28:42.73
IV.RM33.EHE. ML:0.9 0.00010145 0.14 AML other m 2023-04-16T06:28:42.38
IV.SMA1.EHN. ML:1.0 0.00014649999999999998 0.18 AML other m 2023-04-16T06:28:42.72
IV.SMA1.EHE. ML:1.2 0.0002285 0.18 AML other m 2023-04-16T06:28:42.87
IV.LNSS.HHN. ML:1.1 0.0000904 0.16 AML other m 2023-04-16T06:28:45.76
IV.LNSS.HHE. ML:1.3 0.0001392 1.86 AML other m 2023-04-16T06:28:45.95
IV.CAMP.HHE. ML:0.6 0.00005119719449999999 0.3392 AML other m 2023-04-16T06:28:43.02
IV.CAMP.HHN. ML:0.8 0.00007372217000000001 0.2624 AML other m 2023-04-16T06:28:42.44
IV.LNSS.HNN. ML:1.5 0.00020898845 2.3712 AML other m 2023-04-16T06:28:45.75
IV.TERO.HHE. ML:0.7 0.00003195926 0.2592 AML other m 2023-04-16T06:28:46.84
IV.TERO.HHN. ML:0.6 0.00002533167 0.0992 AML other m 2023-04-16T06:28:46.61
IV.NRCA.HHE. ML:0.9 0.000035003427499999996 0.1408 AML other m 2023-04-16T06:28:49.80
IV.NRCA.HHN. ML:0.8 0.0000270611975 0.08 AML other m 2023-04-16T06:28:49.68
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