Earthquake with magnitude of ML 1.2 on date 12-04-2023 and time 05:42:50 (UTC) in region 4 km SW Capitignano (AQ)

A magnitude ML 1.2 earthquake occured in region: 4 km SW Capitignano (AQ), on

  • 12-04-2023 05:42:50 (UTC)
  • 12-04-2023 07:42:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4920, 13.2740 at 15 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
Montereale AQ 4 2581 3246
Barete AQ 5 737 3983
Cagnano Amiterno AQ 5 1369 5352
Pizzoli AQ 6 4326 9678
Campotosto AQ 11 542 10220
Borbona RI 12 617 10837
Scoppito AQ 13 3727 14564
Posta RI 15 694 15258
Amatrice RI 16 2657 17915
Cittareale RI 17 482 18397
Antrodoco RI 18 2588 20985
Crognaleto TE 18 1297 22282
Micigliano RI 18 127 22409
L'Aquila AQ 19 69753 92162
Borgo Velino RI 20 972 93134

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
70 Km SE of Foligno (57155 inhabitants)
71 Km NE of Tivoli (56533 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
75 Km W of Chieti (51815 inhabitants)
77 Km W of Pescara (121014 inhabitants)
93 Km NE of Roma (2864731 inhabitants)
96 Km E of Viterbo (67173 inhabitants)
98 Km NE of Velletri (53303 inhabitants)
100 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 1.2 2023-04-12
05:42:50
42.4918 13.274 15 2023-04-13
01:52:53
Sala Sismica INGV-Roma 116326091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-12 05:42:50 ± 0.04
Latitude 42.4918 ± 0.0018
Longitude 13.2740 ± 0.0024
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 116326091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 218
Semi-minor axis of confidence ellipse (meter) 56
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 36
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45775
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 116326091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-13 01:52:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BAG8.EHZ. 2023-04-12T05:44:44.12 3.0 undecidable manual Sg 12.81 0
GU.RORO.HHZ. 2023-04-12T05:44:42.80 3.0 undecidable manual Sn 4.7 0
CR.STON.BHZ. 2023-04-12T05:44:33.30 3.0 undecidable manual Sg 19.25 0
IV.SPS2.HHZ. 2023-04-12T05:44:27.53 3.0 undecidable manual Sn -4 0
IV.AGST.EHZ. 2023-04-12T05:44:07.52 3.0 undecidable manual Pn 0.14 0
IV.ACER.HHZ. 2023-04-12T05:43:54.37 3.0 undecidable manual Sn -4.35 0
IV.BRSN.HNZ. 2023-04-12T05:43:44.28 3.0 undecidable manual Sn -0.33 0
GU.GSCL.HHZ. 2023-04-12T05:43:38.11 3.0 positive manual Pg 7.94 0
IV.RIBO.EHZ.01 2023-04-12T05:43:37.01 3.0 undecidable manual Sn -1.79 0
IV.VAGA.HHZ. 2023-04-12T05:43:27.56 3.0 undecidable manual Sg 0.95 0
IV.OSSC.HHZ. 2023-04-12T05:43:21.68 3.0 negative manual Pg 3.57 0
IV.CRE.HHZ. 2023-04-12T05:43:15.50 3.0 negative manual Pg 2.05 0
IT.MMP1.HGE. 2023-04-12T05:43:06.76 0.6 undecidable manual S 238 50.8158 96 -0.15 46
IV.VCEL.EHE. 2023-04-12T05:43:05.89 0.6 undecidable manual S 103 47.619 97 -0.18 46
IV.MMO1.EHZ. 2023-04-12T05:43:05.45 0.3 undecidable manual S 5 45.4212 97 -0.04 71
IT.CSO1.HGE. 2023-04-12T05:43:05.71 1.0 undecidable manual S 199 46.0206 97 0.08 24
7F.SIB1.EHE. 2023-04-12T05:43:05.67 0.3 undecidable manual S 360 44.7219 97 0.38 67
7F.SIB3.EHE. 2023-04-12T05:43:04.86 0.3 undecidable manual S 360 42.5241 98 0.14 70
IV.ARRO.EHE. 2023-04-12T05:43:04.64 0.3 undecidable manual S 283 42.624 98 -0.12 71
7F.SIB2.EHE. 2023-04-12T05:43:04.98 0.3 undecidable manual S 3 44.3223 97 -0.23 69
IV.NRCA.HHZ. 2023-04-12T05:43:03.97 0.3 undecidable manual S 341 40.1265 98 -0.1 71
IV.GAVE.EHN. 2023-04-12T05:43:03.40 0.3 undecidable manual S 306 38.1285 99 -0.17 71
IV.TERO.HHZ. 2023-04-12T05:43:01.34 0.3 undecidable manual S 62 30.6471 102 -0.25 70
IV.MTRA.EHE. 2023-04-12T05:43:01.43 0.3 undecidable manual S 19 31.0467 102 -0.27 70
IV.GIGS.HHZ. 2023-04-12T05:43:00.03 0.3 undecidable manual S 100 24.8529 107 -0.06 74
IT.MMP1.HGE. 2023-04-12T05:43:00.08 0.1 undecidable manual P 238 50.8158 96 -0.04 94
7F.SIB2.EHE. 2023-04-12T05:42:59.08 0.1 undecidable manual P 3 44.3223 97 -0.05 95
IV.VCEL.EHE. 2023-04-12T05:42:59.79 0.1 undecidable manual P 103 47.619 97 0.16 93
7F.SIB3.EHE. 2023-04-12T05:42:59.10 0.1 undecidable manual P 360 42.5241 98 0.25 92
IV.LNSS.HHZ. 2023-04-12T05:42:59.56 0.3 undecidable manual S 303 22.755 110 0 75
IV.MMO1.EHZ. 2023-04-12T05:42:59.23 0.1 undecidable manual P 5 45.4212 97 -0.07 94
IT.CSO1.HGE. 2023-04-12T05:42:59.56 0.1 undecidable manual P 199 46.0206 97 0.18 92
7F.SIB1.EHE. 2023-04-12T05:42:59.28 0.1 negative manual P 360 44.7219 97 0.09 95
IV.SMA1.EHZ. 2023-04-12T05:42:58.34 0.3 undecidable manual S 18 16.1727 121 0.36 70
MN.AQU.HNE. 2023-04-12T05:42:58.69 0.6 undecidable manual S 145 18.6702 116 0.13 49
IV.NRCA.HHZ. 2023-04-12T05:42:58.44 0.1 negative manual P 341 40.1265 98 -0.04 96
IV.ARRO.EHE. 2023-04-12T05:42:58.77 0.1 undecidable manual P 283 42.624 98 -0.11 94
IV.MTRA.EHE. 2023-04-12T05:42:57.01 0.1 undecidable manual P 19 31.0467 102 -0.1 96
IV.CAMP.HHZ. 2023-04-12T05:42:57.14 0.3 undecidable manual S 66 12.0768 132 0.04 75
IV.GAVE.EHN. 2023-04-12T05:42:57.91 0.1 undecidable manual P 306 38.1285 99 -0.28 92
IV.TERO.HHZ. 2023-04-12T05:42:56.97 0.1 undecidable manual P 62 30.6471 102 -0.08 97
IV.GIGS.HHZ. 2023-04-12T05:42:56.08 0.1 positive manual P 100 24.8529 107 -0.1 97
IV.RM33.EHZ. 2023-04-12T05:42:55.84 0.3 undecidable manual S 291 5.1948 157 -0.19 75
IV.SMA1.EHZ. 2023-04-12T05:42:55.24 0.1 negative manual P 18 16.1727 121 0.28 95
MN.AQU.HNE. 2023-04-12T05:42:55.27 0.1 undecidable manual P 145 18.6702 116 -0.03 100
IV.LNSS.HHZ. 2023-04-12T05:42:55.98 0.1 positive manual P 303 22.755 110 0.1 98
IV.RM33.EHZ. 2023-04-12T05:42:54.01 0.1 negative manual P 291 5.1948 157 0.17 99
IV.CAMP.HHZ. 2023-04-12T05:42:54.60 0.1 positive manual P 66 12.0768 132 0.15 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.3 0.00020113409999999998 0.2208 AML other m 2023-04-12T05:42:56.40
IV.RM33.EHN. ML:1.0 0.000111758 0.08 AML other m 2023-04-12T05:42:56.08
IV.SMA1.EHE. ML:1.7 0.0003925 0.34 AML other m 2023-04-12T05:42:58.71
IV.SMA1.EHN. ML:1.3 0.0001565 0.14 AML other m 2023-04-12T05:42:58.80
IV.LNSS.HHN. ML:1.2 0.0000833 1.56 AML other m 2023-04-12T05:42:59.83
IV.LNSS.HHE. ML:1.2 0.00008315 0.78 AML other m 2023-04-12T05:43:00.36
IV.NRCA.HHE. ML:1.3 0.000058700000000000004 0.7 AML other m 2023-04-12T05:43:04.63
IV.NRCA.HHN. ML:1.2 0.000050900000000000004 0.14 AML other m 2023-04-12T05:43:04.70
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