Earthquake with magnitude of ML 1.5 on date 03-07-2023 and time 10:53:42 (Italy) in region 2 km W L'Aquila (AQ)

A magnitude ML 1.5 earthquake occured in region: 2 km W L'Aquila (AQ), on

  • 03-07-2023 08:53:42 (UTC)
  • 03-07-2023 10:53:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3430, 13.3760 at 10 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
L'Aquila AQ 2 69753 69753
Lucoli AQ 7 1011 70764
Tornimparte AQ 8 3187 73951
Scoppito AQ 10 3727 77678
Ocre AQ 10 1167 78845
Fossa AQ 11 721 79566
Pizzoli AQ 12 4326 83892
Sant'Eusanio Forconese AQ 14 394 84286
Poggio Picenze AQ 14 1136 85422
Barete AQ 14 737 86159
Rocca di Cambio AQ 15 533 86692
Villa Sant'Angelo AQ 16 424 87116
San Demetrio ne' Vestini AQ 16 1854 88970
Barisciano AQ 18 1828 90798
Cagnano Amiterno AQ 18 1369 92167
Rocca di Mezzo AQ 19 1526 93693
Fagnano Alto AQ 19 418 94111

Municipalities with at least 50000 inhabitants

An earthquake occurred to
2 Km W of L'Aquila (69753 inhabitants)
44 Km SW of Teramo (54892 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
65 Km E of Terni (111501 inhabitants)
65 Km W of Chieti (51815 inhabitants)
66 Km NE of Guidonia Montecelio (88673 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
70 Km W of Pescara (121014 inhabitants)
88 Km SE of Foligno (57155 inhabitants)
88 Km NE of Velletri (53303 inhabitants)
89 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
Md 0.9
ML 1.5
2023-07-03
08:53:42
42.3432 13.376 10 2023-07-03
09:13:47
Sala Sismica INGV-Roma 118929321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-03 08:53:42 ± 0.08
Latitude 42.3432 ± 0.0045
Longitude 13.3760 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118929321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 530
Semi-minor axis of confidence ellipse (meter) 427
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 321
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
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 39
Number of defining phases 19
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) 0.75903
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 118929321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-03 09:13:47

Md:0.9

Field Value
Value 0.9
Uncertainty 0.0
Num. used stations 1
Type of magnitude Md
Reference to an origin 118929321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-03 09:13:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SGO.HHZ. 2023-07-03T08:55:13.96 3.0 undecidable manual Sg 14.79 0
AC.VLO.HHZ. 2023-07-03T08:55:11.25 3.0 undecidable manual Pg 21.370001 0
CH.MUGIO.HHZ. 2023-07-03T08:55:07.01 3.0 undecidable manual Sn 1.03 0
IV.MPAZ.HNZ. 2023-07-03T08:54:48.40 3.0 undecidable manual Pn 2.38 0
IV.MBFT.HHZ. 2023-07-03T08:54:44.37 3.0 negative manual Pg 8.72 0
IV.ESML.HNZ. 2023-07-03T08:54:42.60 3.0 undecidable manual Pn -2.25 0
MN.BNI.HHZ. 2023-07-03T08:54:31.14 3.0 positive manual Pn 2.91 0
IV.VARE.HHZ. 2023-07-03T08:54:29.99 3.0 undecidable manual Pn 9.95 0
IV.PIPA.HHZ. 2023-07-03T08:54:28.74 3.0 undecidable manual Pn -6.41 0
IV.BDI.HHZ. 2023-07-03T08:54:27.43 3.0 undecidable manual Sn 3.4 0
GU.GSCL.HHZ. 2023-07-03T08:54:24.83 3.0 undecidable manual Sn -2.85 0
IX.PGN3.HHZ.02 2023-07-03T08:54:21.78 3.0 undecidable manual Pg 3.26 0
IT.DANT.HNZ. 2023-07-03T08:54:20.93 3.0 undecidable manual Pn 2.17 0
IV.MCRV.HHZ. 2023-07-03T08:54:17.60 3.0 undecidable manual Pg 5.08 0
GU.GORR.HHZ. 2023-07-03T08:54:15.49 3.0 undecidable manual Pg 9.19 0
IV.ACER.HHZ. 2023-07-03T08:54:11.69 3.0 negative manual Pn -6.23 0
IV.RSM2.HHZ. 2023-07-03T08:54:09.61 3.0 undecidable manual Sn -7.51 0
GU.GSCL.HHZ. 2023-07-03T08:54:07.10 3.0 positive manual Pg 9.5 0
IV.CSP1.EHZ. 2023-07-03T08:53:57.14 1.0 negative manual P 351 84.249 50 -0.07 23
IV.LPEL.HHZ. 2023-07-03T08:53:55.88 0.6 undecidable manual P 116 74.0703 50 0.24 46
IV.MF5.EHZ. 2023-07-03T08:53:55.75 0.6 undecidable manual P 5 71.8725 50 0.45 44
IV.INTR.HHZ. 2023-07-03T08:53:53.11 0.6 undecidable manual P 130 56.8986 50 0.1 48
IV.NRCA.HHZ. 2023-07-03T08:53:53.13 0.3 undecidable manual P 339 58.497 50 -0.11 72
IV.TOLF.HHZ. 2023-07-03T08:53:53.16 3.0 positive manual Pn 2.87 0
IV.RM33.EHZ. 2023-07-03T08:53:51.29 0.6 undecidable manual S 324 22.6551 113 0.1 51
IV.GIGS.HHZ. 2023-07-03T08:53:50.12 0.3 undecidable manual S 53 20.2686 116 -0.3 74
IV.CAMP.HHZ. 2023-07-03T08:53:50.71 0.3 undecidable manual S 7 21.5673 114 -0.12 77
IV.FIAM.HHZ. 2023-07-03T08:53:50.94 0.3 undecidable manual S 249 22.755 113 -0.29 74
IV.SMA1.EHZ. 2023-07-03T08:53:49.60 0.6 undecidable manual P 354 32.0457 50 0.43 47
IV.PTQR.HHE. 2023-07-03T08:53:49.50 0.3 undecidable manual P 177 35.6421 50 -0.23 73
IV.T0110.HHZ. 2023-07-03T08:53:49.84 0.6 undecidable manual P 111 35.2425 50 0.19 49
IV.TERO.HHZ. 2023-07-03T08:53:49.30 0.3 undecidable manual P 31 36.2415 50 -0.51 69
IV.FIAM.HHZ. 2023-07-03T08:53:47.59 0.3 undecidable manual P 249 22.755 113 -0.01 79
IV.RM33.EHZ. 2023-07-03T08:53:47.77 0.3 undecidable manual P 324 22.6551 113 0.2 76
IV.GIGS.HHZ. 2023-07-03T08:53:47.06 0.3 undecidable manual P 53 20.2686 116 -0.07 78
TV.SF11.HHZ. 2023-07-03T08:53:47.72 3.0 undecidable manual Pn -0.36 0
IV.CAMP.HHZ. 2023-07-03T08:53:47.36 0.3 undecidable manual P 7 21.5673 114 -0.01 79
MN.AQU.HNN. 2023-07-03T08:53:46.09 0.3 undecidable manual S 63 2.6973 165 -0.03 81
MN.AQU.HNN. 2023-07-03T08:53:45.05 0.1 undecidable manual P 63 2.6973 165 0.4 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIAM.HHE. ML:1.5 0.000191 0.32 AML other m 2023-07-03T08:53:51.14
IV.GIGS.HHE. ML:1.3 0.0001415 1.6 AML other m 2023-07-03T08:53:51.16
IV.GIGS.HHN. ML:1.1 0.0000857 1 AML other m 2023-07-03T08:53:52.83
IV.CAMP.HHN. ML:1.6 0.00030649999999999997 0.38 AML other m 2023-07-03T08:53:52.77
IV.CAMP.HHE. ML:1.4 0.00017649999999999998 1.42 AML other m 2023-07-03T08:53:53.79
IV.FIAM.HHN. ML:1.4 0.00015099999999999998 0.72 AML other m 2023-07-03T08:53:53.44
IV.RM33.EHE. ML:1.5 0.00020600000000000002 0.9 AML other m 2023-07-03T08:53:53.92
IV.RM33.EHN. ML:1.6 0.00023649999999999998 0.2 AML other m 2023-07-03T08:53:53.47
IV.TERO.HHE. ML:1.7 0.0001945 0.48 AML other m 2023-07-03T08:53:55.70
IV.SMA1.EHE. ML:1.7 0.000216 1.22 AML other m 2023-07-03T08:53:55.14
IV.SMA1.EHN. ML:1.6 0.0001615 0.26 AML other m 2023-07-03T08:53:56.67
IV.TERO.HHN. ML:1.6 0.0001575 0.56 AML other m 2023-07-03T08:53:56.81
IV.T0110.HHE. ML:1.6 0.0001535 0.34 AML other m 2023-07-03T08:53:59.91
IV.NRCA.HHE. ML:1.6 0.00008845 0.16 AML other m 2023-07-03T08:54:02.81
IV.NRCA.HHN. ML:1.6 0.00007680000000000001 0.14 AML other m 2023-07-03T08:54:03.37
IV.T0110.HHN. ML:1.6 0.00016849999999999998 0.38 AML other m 2023-07-03T08:54:04.22
IV.LPEL.HHE. ML:1.4 0.00003685 0.88 AML other m 2023-07-03T08:54:07.89
IV.LPEL.HHN. ML:1.4 0.0000354 0.18 AML other m 2023-07-03T08:54:08.67
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