Earthquake with magnitude of ML 1.8 on date 04-08-2023 and time 18:39:38 (UTC) in region 5 km N Capitignano (AQ)

A magnitude ML 1.8 earthquake occured in region: 5 km N Capitignano (AQ), on

  • 04-08-2023 18:39:38 (UTC)
  • 04-08-2023 20:39:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5630, 13.3100 at 14 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 5 665 665
Campotosto AQ 5 542 1207
Montereale AQ 7 2581 3788
Amatrice RI 8 2657 6445
Barete AQ 13 737 7182
Cagnano Amiterno AQ 13 1369 8551
Cittareale RI 14 482 9033
Pizzoli AQ 14 4326 13359
Crognaleto TE 14 1297 14656
Borbona RI 15 617 15273
Accumoli RI 16 667 15940
Cortino TE 18 656 16596
Posta RI 18 694 17290
Fano Adriano TE 19 296 17586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NW of L'Aquila (69753 inhabitants)
34 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)
79 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
96 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 1.8 2023-08-04
18:39:38
42.5628 13.3095 14 2023-08-04
18:47:59
Sala Sismica INGV-Roma 119859781
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-04 18:39:38 ± 0.09
Latitude 42.5628 ± 0.0036
Longitude 13.3095 ± 0.0061
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119859781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 479
Semi-minor axis of confidence ellipse (meter) 177
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 68
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 19
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35973
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 37
Type of magnitude ML
Reference to an origin 119859781
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-08-04 18:47:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2023-08-04T18:40:07.73 3.0 undecidable manual S -0.17 0
IV.CING.HHZ. 2023-08-04T18:39:54.81 3.0 positive manual P -0.31 0
IV.ASSB.HHZ. 2023-08-04T18:39:52.01 3.0 undecidable manual P -0.34 0
IV.NRCA.HNZ. 2023-08-04T18:39:50.48 0.3 undecidable manual S 332 33.9438 97 -0.03 72
IV.CSP1.EHZ. 2023-08-04T18:39:49.52 3.0 positive manual P -0.36 0
IV.GUMA.HHZ. 2023-08-04T18:39:49.39 3.0 negative manual P 0.09 0
IV.FDMO.HHZ. 2023-08-04T18:39:48.92 3.0 negative manual P -0.29 0
IV.T0110.HHZ. 2023-08-04T18:39:48.63 3.0 negative manual P -0.21 0
MN.AQU.HHN. 2023-08-04T18:39:48.14 0.6 undecidable manual S 161 24.4533 101 0.14 48
IV.MF5.EHZ. 2023-08-04T18:39:48.56 3.0 undecidable manual P 0.34 0
IV.TERO.HNZ. 2023-08-04T18:39:47.86 0.6 undecidable manual S 74 24.9528 101 -0.27 46
IV.LNSS.HHZ. 2023-08-04T18:39:47.30 0.6 undecidable manual S 281 22.4553 104 -0.17 48
IV.MTRA.EHZ. 2023-08-04T18:39:47.34 0.6 undecidable manual S 18 22.6551 103 -0.18 47
IV.ARRO.EHZ. 2023-08-04T18:39:47.04 3.0 positive manual P -0.03 0
IV.GIGS.HHZ. 2023-08-04T18:39:47.86 0.3 undecidable manual S 119 24.753 101 -0.21 70
IV.FAGN.HHZ. 2023-08-04T18:39:46.97 0.3 undecidable manual P 146 39.9267 95 0.44 65
IV.NRCA.HNZ. 2023-08-04T18:39:45.55 0.1 undecidable manual P 332 33.9438 97 -0.08 95
IV.GAVE.EHZ. 2023-08-04T18:39:45.90 3.0 negative manual Pg 0.03 0
IV.SMA1.EHZ. 2023-08-04T18:39:44.45 0.3 undecidable manual S 16 7.7811 142 0.34 71
IV.GIGS.HHZ. 2023-08-04T18:39:44.07 0.1 negative manual P 119 24.753 101 -0.14 95
IV.TERO.HNZ. 2023-08-04T18:39:44.19 0.1 undecidable manual P 74 24.9528 101 -0.06 97
IV.CAMP.HHZ. 2023-08-04T18:39:44.24 0.6 undecidable manual S 110 8.6802 139 -0.02 49
IV.RM33.EHZ. 2023-08-04T18:39:44.24 0.6 undecidable manual S 232 9.7791 134 -0.23 48
MN.AQU.HHN. 2023-08-04T18:39:44.03 0.3 undecidable manual P 161 24.4533 101 -0.14 72
IV.LNSS.HHZ. 2023-08-04T18:39:43.80 0.1 undecidable manual P 281 22.4553 104 -0.07 98
IV.MTRA.EHZ. 2023-08-04T18:39:43.86 0.1 undecidable manual P 18 22.6551 103 -0.04 98
IV.RM33.EHZ. 2023-08-04T18:39:42.12 0.1 undecidable manual P 232 9.7791 134 -0.02 100
IV.SMA1.EHZ. 2023-08-04T18:39:42.18 0.1 undecidable manual P 16 7.7811 142 0.25 96
IV.CAMP.HHZ. 2023-08-04T18:39:42.15 0.1 undecidable manual P 110 8.6802 139 0.13 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:1.7 0.00054266485 0.2432 AML other m 2023-08-04T18:39:44.00
IV.CAMP.HHE. ML:1.4 0.000288257 0.1792 AML other m 2023-08-04T18:39:44.26
IV.RM33.EHN. ML:1.7 0.000591548 0.1536 AML other m 2023-08-04T18:39:44.81
IV.RM33.HNE. ML:2.1 0.0013700000000000001 0.22 AML other m 2023-08-04T18:39:44.43
IV.RM33.EHE. ML:2.1 0.0013524634999999999 0.2176 AML other m 2023-08-04T18:39:44.31
IV.SMA1.EHN. ML:2.3 0.0021833785 0.2432 AML other m 2023-08-04T18:39:44.62
IV.SMA1.EHE. ML:2.3 0.0024449999999999997 0.14 AML other m 2023-08-04T18:39:44.59
IV.CAMP.HHN. ML:1.3 0.00024025361 0.256 AML other m 2023-08-04T18:39:45.66
IV.LNSS.HHE. ML:1.8 0.00038984284999999996 0.1024 AML other m 2023-08-04T18:39:47.60
IV.MTRA.EHE. ML:1.9 0.0004470827 0.2432 AML other m 2023-08-04T18:39:48.35
IV.TERO.HHN. ML:1.9 0.00041870815 0.0768 AML other m 2023-08-04T18:39:48.99
IV.MTRA.EHN. ML:1.9 0.00043382555 0.1792 AML other m 2023-08-04T18:39:48.19
IV.TERO.HHE. ML:1.8 0.000372 0.26 AML other m 2023-08-04T18:39:48.38
IV.LNSS.HHN. ML:1.7 0.00030734964999999995 0.1792 AML other m 2023-08-04T18:39:47.69
IV.NRCA.HHE. ML:2.4 0.00106585945 0.1664 AML other m 2023-08-04T18:39:50.56
IV.NRCA.HHN. ML:2.4 0.0011352485 0.1024 AML other m 2023-08-04T18:39:50.54
IV.GAVE.EHE. ML:1.8 0.0002094241 0.2816 AML other m 2023-08-04T18:39:51.23
IV.GAVE.EHN. ML:1.6 0.00013350000000000002 0.22 AML other m 2023-08-04T18:39:53.22
IV.FAGN.HHE. ML:1.9 0.000259 1.78 AML other m 2023-08-04T18:39:53.10
IV.ARRO.EHE. ML:1.5 0.00008685000000000001 1.52 AML other m 2023-08-04T18:39:54.00
IV.ARRO.EHN. ML:1.4 0.000076343485 0.1664 AML other m 2023-08-04T18:39:54.39
IV.FAGN.HHN. ML:1.8 0.00022648094999999999 0.4992 AML other m 2023-08-04T18:39:57.02
IV.LNSS.HNE. ML:1.7 0.00032981355 0.1024 AML other m 2023-08-04T18:39:47.60
IV.LNSS.HNN. ML:1.7 0.0003032283 0.1664 AML other m 2023-08-04T18:39:47.69
IV.MTRA.HNE. ML:1.9 0.00044306665 0.2432 AML other m 2023-08-04T18:39:48.35
IV.MTRA.HNN. ML:1.9 0.00043918415 0.192 AML other m 2023-08-04T18:39:48.19
IV.TERO.HNE. ML:1.6 0.00023987145000000003 1.4848 AML other m 2023-08-04T18:39:44.22
IV.TERO.HNN. ML:1.9 0.00046558685 0.064 AML other m 2023-08-04T18:39:48.99
IV.NRCA.HNE. ML:2.4 0.0009949785499999998 0.1536 AML other m 2023-08-04T18:39:50.56
IV.NRCA.HNN. ML:2.4 0.001035401 0.128 AML other m 2023-08-04T18:39:50.53
IV.GAVE.HNE. ML:1.8 0.00022831594999999998 0.2816 AML other m 2023-08-04T18:39:51.09
IV.GAVE.HNN. ML:1.6 0.00013360903500000002 0.8832 AML other m 2023-08-04T18:40:02.16
IV.FDMO.HHE. ML:1.6 0.000088747245 0.2048 AML other m 2023-08-04T18:39:57.00
IV.FDMO.HHN. ML:1.5 0.000063925305 0.1024 AML other m 2023-08-04T18:39:59.21
IV.CSP1.EHE. ML:2.2 0.0003300697 1.7152 AML other m 2023-08-04T18:39:59.53
IV.CSP1.EHN. ML:2.0 0.0002312746 0.3712 AML other m 2023-08-04T18:40:00.77
IV.ASSB.HHN. ML:1.6 0.000064133115 0.1536 AML other m 2023-08-04T18:40:04.44
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