Earthquake with magnitude of ML 1.5 on date 23-05-2023 and time 18:08:09 (UTC) in region 2 km S Pizzoli (AQ)

A magnitude ML 1.5 earthquake occured in region: 2 km S Pizzoli (AQ), on

  • 23-05-2023 18:08:09 (UTC)
  • 23-05-2023 20:08:09 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4230, 13.3010 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
Pizzoli AQ 2 4326 4326
Barete AQ 4 737 5063
Scoppito AQ 7 3727 8790
Cagnano Amiterno AQ 7 1369 10159
Capitignano AQ 11 665 10824
L'Aquila AQ 11 69753 80577
Montereale AQ 12 2581 83158
Tornimparte AQ 15 3187 86345
Lucoli AQ 15 1011 87356
Campotosto AQ 16 542 87898
Borbona RI 17 617 88515
Antrodoco RI 18 2588 91103
Borgo Velino RI 20 972 92075

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km NW of L'Aquila (69753 inhabitants)
42 Km SW of Teramo (54892 inhabitants)
56 Km E of Terni (111501 inhabitants)
66 Km NE of Tivoli (56533 inhabitants)
67 Km NE of Guidonia Montecelio (88673 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
72 Km W of Chieti (51815 inhabitants)
75 Km W of Pescara (121014 inhabitants)
77 Km SE of Foligno (57155 inhabitants)
89 Km NE of Roma (2864731 inhabitants)
93 Km NE of Velletri (53303 inhabitants)
98 Km E of Viterbo (67173 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 1.5 2023-05-23
18:08:09
42.4232 13.3012 11 2023-05-23
18:22:16
Sala Sismica INGV-Roma 117646121
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-23 18:08:09 ± 0.1
Latitude 42.4232 ± 0.0045
Longitude 13.3012 ± 0.0049
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 117646121

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 459
Semi-minor axis of confidence ellipse (meter) 227
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 205
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 21
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) 0.67179
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 117646121
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-23 18:22:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BAG8.EHZ. 2023-05-23T18:09:44.88 3.0 undecidable manual Sn -0.32 0
OT.OT15.EHZ. 2023-05-23T18:09:34.51 3.0 undecidable manual Sg 18.66 0
IV.SPS2.HHZ. 2023-05-23T18:09:31.11 3.0 undecidable manual Sn 2.22 0
HL.VLS.HHZ. 2023-05-23T18:09:27.37 3.0 undecidable manual Pn -3.77 0
IV.CAVT.HHZ. 2023-05-23T18:09:26.94 3.0 undecidable manual Sn -9.99 0
GU.GSCL.HHZ. 2023-05-23T18:09:23.51 3.0 undecidable manual Sg 11.12 0
IV.FNVD.HHZ. 2023-05-23T18:09:08.36 3.0 undecidable manual Sg 4.58 0
AC.VLO.HHZ. 2023-05-23T18:09:02.75 3.0 undecidable manual Pn -4.15 0
IV.SGO.HHZ. 2023-05-23T18:08:50.79 3.0 undecidable manual Sn -3.43 0
IV.CRE.HHZ. 2023-05-23T18:08:45.38 3.0 undecidable manual Sn -0.24 0
IV.EL6.EHZ. 2023-05-23T18:08:42.15 3.0 undecidable manual Sg 5.61 0
GU.POPM.HHZ. 2023-05-23T18:08:35.20 3.0 undecidable manual Pg 3.33 0
OT.OT13.EHZ. 2023-05-23T18:08:34.20 3.0 negative manual Pg 4.45 0
IV.CSP1.EHZ. 2023-05-23T18:08:32.53 0.3 undecidable manual S 354 74.5698 50 0.41 64
IV.MOMA.HHZ. 2023-05-23T18:08:32.10 0.1 undecidable manual S 306 73.0713 50 0.37 86
IV.NRCA.HHZ. 2023-05-23T18:08:24.83 3.0 undecidable manual S 0
IV.GAVE.EHZ. 2023-05-23T18:08:24.21 0.3 undecidable manual S 312 44.7219 50 0.07 72
IV.MOMA.HHZ. 2023-05-23T18:08:22.58 0.3 undecidable manual P 306 73.0713 50 0.16 67
IV.CSP1.EHZ. 2023-05-23T18:08:22.47 0.3 undecidable manual P 354 74.5698 50 -0.18 67
IV.NRCA.HHZ. 2023-05-23T18:08:21.52 3.0 undecidable manual P 0
IV.INTR.HHZ. 2023-05-23T18:08:21.80 0.3 undecidable manual P 132 67.377 50 0.26 67
IV.TERO.HHZ. 2023-05-23T18:08:20.87 0.3 undecidable manual S 48 33.2445 50 -0.21 72
IV.LNSS.HHZ. 2023-05-23T18:08:19.88 0.3 undecidable manual S 313 29.1486 50 -0.13 73
IV.FIAM.HHZ. 2023-05-23T18:08:18.24 0.3 undecidable manual S 221 22.8549 50 -0.09 75
IV.T0110.HHZ. 2023-05-23T18:08:18.17 0.3 undecidable manual P 119 44.5221 50 0.16 71
IV.SMA1.EHZ. 2023-05-23T18:08:18.50 0.3 undecidable manual S 7 23.1546 50 0.1 75
IV.GIGS.HHZ. 2023-05-23T18:08:18.46 0.3 undecidable manual S 81 22.4553 50 0.25 73
IV.GAVE.EHZ. 2023-05-23T18:08:17.74 0.3 undecidable manual P 312 44.7219 50 -0.3 69
IV.ARRO.EHZ. 2023-05-23T18:08:17.98 0.3 undecidable manual P 292 47.1195 50 -0.43 67
IV.RM33.EHZ. 2023-05-23T18:08:15.32 0.3 undecidable manual S 323 11.877 132 0.03 77
IV.TERO.HHZ. 2023-05-23T18:08:15.86 0.1 undecidable manual P 48 33.2445 50 -0.41 92
IV.LNSS.HHZ. 2023-05-23T18:08:15.46 0.1 undecidable manual P 313 29.1486 50 -0.19 97
IV.FIAM.HHZ. 2023-05-23T18:08:14.79 0.3 undecidable manual P 221 22.8549 50 0.11 75
IV.SMA1.EHZ. 2023-05-23T18:08:14.65 0.3 undecidable manual P 7 23.1546 50 -0.08 75
IV.GIGS.HHZ. 2023-05-23T18:08:14.61 0.3 undecidable manual P 81 22.4553 50 -0.01 76
IV.RM33.EHZ. 2023-05-23T18:08:13.10 0.1 undecidable manual P 323 11.877 132 0.17 100
IV.GIUL.HHZ. 2023-05-23T18:07:57.93 3.0 positive manual P -1.32 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:1.2 0.0001865 0.78 AML other m 2023-05-23T18:08:15.44
IV.RM33.EHE. ML:1.3 0.000234 0.3 AML other m 2023-05-23T18:08:15.70
IV.FIAM.HHE. ML:1.5 0.00020950000000000002 0.18 AML other m 2023-05-23T18:08:18.61
IV.FIAM.HNE. ML:1.7 0.0003145 0.18 AML other m 2023-05-23T18:08:18.61
IV.FIAM.HHN. ML:1.8 0.000383 0.72 AML other m 2023-05-23T18:08:18.63
IV.FIAM.HNN. ML:1.6 0.00028649999999999997 0.24 AML other m 2023-05-23T18:08:18.75
IV.GIGS.HHN. ML:1.0 0.00007185 1.38 AML other m 2023-05-23T18:08:18.77
IV.SMA1.EHE. ML:2.1 0.0008395000000000001 1.6 AML other m 2023-05-23T18:08:18.98
IV.SMA1.EHN. ML:1.8 0.00037 1.74 AML other m 2023-05-23T18:08:18.99
IV.GIGS.HHE. ML:1.0 0.00006759999999999999 1.68 AML other m 2023-05-23T18:08:19.12
IV.LNSS.HHE. ML:1.3 0.00010284999999999999 0.26 AML other m 2023-05-23T18:08:20.79
IV.LNSS.HHN. ML:1.4 0.00013450000000000002 0.48 AML other m 2023-05-23T18:08:20.92
IV.NRCA.HHE. ML:1.9 0.00022349999999999998 1.32 AML other m 2023-05-23T18:08:25.17
IV.NRCA.HHN. ML:1.8 0.000154 0.74 AML other m 2023-05-23T18:08:25.55
IV.GAVE.EHE. ML:1.4 0.0000729 0.52 AML other m 2023-05-23T18:08:25.32
IV.GAVE.EHN. ML:1.4 0.0000804 1.46 AML other m 2023-05-23T18:08:26.80
IV.ARRO.EHN. ML:1.3 0.000062 0.18 AML other m 2023-05-23T18:08:27.57
IV.T0110.HHN. ML:1.8 0.000209 0.28 AML other m 2023-05-23T18:08:28.74
IV.ARRO.EHE. ML:1.2 0.0000465 0.94 AML other m 2023-05-23T18:08:29.59
IV.T0110.HHE. ML:1.8 0.000182 0.34 AML other m 2023-05-23T18:08:29.87
IV.INTR.HHE. ML:1.4 0.000047350000000000006 0.62 AML other m 2023-05-23T18:08:34.00
IV.INTR.HHN. ML:1.7 0.00008265 0.86 AML other m 2023-05-23T18:08:36.41
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