Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 24-04-2023 and time 17:53:58 (Italy) in region 4 km E Cori (LT)

A magnitude ML 2.3 earthquake occured in region: 4 km E Cori (LT), on

  • 24-04-2023 15:53:58 (UTC)
  • 24-04-2023 17:53:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6560, 12.9620 at 9 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cori LT 4 11065 11065
Rocca Massima LT 4 1136 12201
Segni RM 7 9159 21360
Montelanico RM 7 2131 23491
Norma LT 8 3946 27437
Gavignano RM 9 1916 29353
Colleferro RM 9 21595 50948
Artena RM 10 14276 65224
Carpineto Romano RM 12 4524 69748
Sermoneta LT 12 9842 79590
Gorga RM 12 710 80300
Cisterna di Latina LT 13 36868 117168
Bassiano LT 13 1583 118751
Lariano RM 13 13432 132183
Valmontone RM 14 15959 148142
Velletri RM 16 53303 201445
Labico RM 16 6379 207824
Sgurgola FR 16 2676 210500
Cave RM 18 11287 221787
Paliano FR 19 8281 230068
Anagni FR 19 21464 251532
Sezze LT 19 24894 276426
Genazzano RM 20 6036 282462
Morolo FR 20 3257 285719

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km E of Velletri (53303 inhabitants)
21 Km N of Latina (125985 inhabitants)
27 Km E of Aprilia (73446 inhabitants)
36 Km NE of Anzio (54211 inhabitants)
37 Km SE of Tivoli (56533 inhabitants)
38 Km E of Pomezia (62966 inhabitants)
43 Km SE of Guidonia Montecelio (88673 inhabitants)
48 Km SE of Roma (2864731 inhabitants)
62 Km E of Fiumicino (78395 inhabitants)
85 Km SW of L'Aquila (69753 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
Bulletin
Rev1000 		ML 2.3 2023-04-24
15:53:58		 41.6565 12.962 9 2024-03-01
17:18:07		 Bollettino Sismico Italiano INGV 117240161
Reviewed
Rev100 		ML 2.3 2023-04-24
15:53:58		 41.6613 12.9692 8 2023-04-24
16:08:50		 Sala Sismica INGV-Roma 116711141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-24 15:53:58 ± 0.07
Latitude 41.6565 ± 0.0054
Longitude 12.9620 ± 0.0060
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117240161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 666
Semi-minor axis of confidence ellipse (meter) 328
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 670.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 43
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.45600
Number of stations at which the event was observed 43
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 50
Type of magnitude ML
Reference to an origin 117240161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-25 16:01:06

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 60
Type of magnitude ML
Reference to an origin 116711141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-24 16:08:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZOVE.EHZ. 2023-04-24T15:55:42.95 3.0 undecidable manual Sn -4.05 0
SI.BOSI.HHZ. 2023-04-24T15:55:28.68 3.0 positive manual Pg 15.57 0
OX.PLRO.HHZ. 2023-04-24T15:55:27.13 3.0 negative manual Pg 15.21 0
IV.MPPT.EHZ. 2023-04-24T15:55:24.10 3.0 undecidable manual Sg 8.03 0
IV.CET2.HHZ. 2023-04-24T15:55:22.30 3.0 undecidable manual Sn -2.68 0
IV.SALB.HHZ. 2023-04-24T15:55:20.96 3.0 undecidable manual Sn -4.36 0
GU.RORO.HHZ. 2023-04-24T15:55:20.27 3.0 undecidable manual Pg 15.88 0
IV.ACATE.HNZ. 2023-04-24T15:55:18.57 3.0 negative manual Pg 9.37 0
ST.VARA.EHZ. 2023-04-24T15:55:10.11 3.0 undecidable manual Pn 4.57 0
IV.MAGA.HNZ. 2023-04-24T15:55:05.05 3.0 undecidable manual Pn -0.79 0
IV.VULT.HHZ. 2023-04-24T15:55:05.97 3.0 undecidable manual Sg 5 0
IV.ZCCA.HHZ. 2023-04-24T15:54:56.58 3.0 undecidable manual Pg 9.82 0
GU.CARD.HHZ. 2023-04-24T15:54:44.28 3.0 undecidable manual Pn -1.45 0
IV.MML1.EHZ. 2023-04-24T15:54:24.24 0.3 undecidable manual P 0 161.616 50 -0.45 50
IV.VITU.HHZ. 2023-04-24T15:54:23.25 0.6 undecidable manual P 110 148.3404 50 0.61 34
IV.FDMO.HHZ. 2023-04-24T15:54:23.62 0.6 undecidable manual P 4 153.4353 50 0.19 37
IV.ASSB.HHZ. 2023-04-24T15:54:23.37 0.3 undecidable manual P 351 155.7219 50 -0.41 52
IV.CESI.HHZ. 2023-04-24T15:54:22.36 0.3 undecidable manual P 358 149.6391 50 -0.49 53
IV.MMO1.EHZ. 2023-04-24T15:54:21.86 0.6 undecidable manual P 12 141.0477 50 0.34 37
IV.SMA1.EHZ. 2023-04-24T15:54:18.01 0.6 undecidable manual P 16 112.2987 50 0.92 32
IV.VVLD.HHZ. 2023-04-24T15:54:17.32 0.6 undecidable manual S 66 59.5959 50 0.4 43
IV.POFI.HHZ. 2023-04-24T15:54:17.92 0.3 undecidable manual S 84 62.493 50 0.23 67
IV.PTQR.HHZ. 2023-04-24T15:54:15.77 0.6 undecidable manual S 42 54.4011 50 0.25 45
IV.LRP.EHZ. 2023-04-24T15:54:15.32 0.3 undecidable manual S 91 51.8037 50 0.49 64
IT.CSO1.HGZ. 2023-04-24T15:54:14.88 0.6 undecidable manual S 12 50.4162 50 0.42 44
IV.T0110.HHZ. 2023-04-24T15:54:14.38 0.3 undecidable manual P 46 92.5407 50 0.34 61
IV.RM33.EHZ. 2023-04-24T15:54:14.34 0.3 undecidable manual P 12 96.8253 50 -0.36 61
IV.CERA.HHZ. 2023-04-24T15:54:13.18 0.6 undecidable manual P 94 87.8454 50 -0.14 43
IV.INTR.HHZ. 2023-04-24T15:54:12.83 0.3 undecidable manual P 63 87.3459 50 -0.41 61
IT.OPI.HGE. 2023-04-24T15:54:11.19 1.0 undecidable manual P 79 73.0713 50 0.14 22
IV.SRES.HHN. 2023-04-24T15:54:11.45 0.3 undecidable manual P 330 74.37 50 0.2 66
IV.GUAR.HHZ. 2023-04-24T15:54:09.72 0.6 undecidable manual S 62 32.8449 50 -0.04 49
IV.CERT.HHZ. 2023-04-24T15:54:09.18 0.6 undecidable manual S 3 32.4453 50 -0.5 44
IV.POFI.HHZ. 2023-04-24T15:54:09.42 0.3 undecidable manual P 84 62.493 50 0.01 70
IV.LIK.EHN. 2023-04-24T15:54:08.76 0.3 undecidable manual P 109 52.503 50 0.88 55
IV.VVLD.HHZ. 2023-04-24T15:54:08.79 0.3 undecidable manual P 66 59.5959 50 -0.18 68
IV.RMP.HHN. 2023-04-24T15:54:08.36 0.6 undecidable manual S 309 27.3504 108 0.25 47
IV.LRP.EHZ. 2023-04-24T15:54:07.61 0.1 undecidable manual P 91 51.8037 50 -0.15 92
IV.PTQR.HHZ. 2023-04-24T15:54:07.80 0.3 undecidable manual P 42 54.4011 50 -0.36 66
IV.GIUL.HHZ. 2023-04-24T15:54:07.63 0.3 undecidable manual S 114 26.6511 109 -0.22 71
IV.RDP.HNZ. 2023-04-24T15:54:07.21 0.6 undecidable manual S 299 23.8539 111 0.27 47
IT.CSO1.HGZ. 2023-04-24T15:54:07.41 0.6 undecidable manual P 12 50.4162 50 -0.14 46
IV.MTCE.HHZ. 2023-04-24T15:54:06.07 0.3 undecidable manual P 336 44.5221 50 -0.57 63
IV.RCAV.EHZ. 2023-04-24T15:54:06.01 0.6 undecidable manual S 356 21.1677 113 -0.09 49
IV.VIVA.HHZ. 2023-04-24T15:54:05.58 0.6 undecidable manual S 303 18.9699 115 0.18 49
IV.SAMA.EHZ. 2023-04-24T15:54:04.80 0.3 undecidable manual P 294 33.5442 50 -0.15 71
IV.CERT.HHZ. 2023-04-24T15:54:04.46 0.1 undecidable manual P 3 32.4453 50 -0.33 92
IV.LATB.EHZ. 2023-04-24T15:54:04.77 0.3 undecidable manual S 180 18.0708 117 -0.34 71
IV.MA9.HHN. 2023-04-24T15:54:04.40 0.3 undecidable manual P 297 28.0497 108 0.39 69
IV.GUAR.HHZ. 2023-04-24T15:54:04.67 0.3 undecidable manual P 62 32.8449 50 -0.16 71
IV.GIUL.HHZ. 2023-04-24T15:54:03.66 0.3 undecidable manual P 114 26.6511 109 -0.07 73
IV.RMP.HHN. 2023-04-24T15:54:03.89 0.3 undecidable manual P 309 27.3504 108 0.01 74
IV.RDP.HNZ. 2023-04-24T15:54:03.51 0.3 undecidable manual P 299 23.8539 111 0.31 70
IV.RCAV.EHZ. 2023-04-24T15:54:02.74 0.1 undecidable manual P 356 21.1677 113 0.02 100
IV.LATB.EHZ. 2023-04-24T15:54:02.11 0.3 undecidable manual P 180 18.0708 117 -0.04 75
IV.VIVA.HHZ. 2023-04-24T15:54:02.40 0.3 undecidable manual P 303 18.9699 115 0.08 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LATB.EHN. ML:1.4 0.0002185 1.02 AML other m 2023-04-24T15:54:06.92
IV.RCAV.EHN. ML:2.5 0.00234 1.62 AML other m 2023-04-24T15:54:07.04
IV.RCAV.EHE. ML:2.5 0.0021950000000000003 0.48 AML other m 2023-04-24T15:54:07.07
IV.LATB.EHE. ML:1.9 0.0007095000000000001 0.98 AML other m 2023-04-24T15:54:08.28
IV.GIUL.HHN. ML:2.5 0.00195 1.24 AML other m 2023-04-24T15:54:09.77
IV.GIUL.HNN. ML:2.5 0.0019 1.24 AML other m 2023-04-24T15:54:09.77
IV.GIUL.HNE. ML:2.6 0.002435 0.42 AML other m 2023-04-24T15:54:09.33
IV.GIUL.HHE. ML:2.6 0.00253 0.42 AML other m 2023-04-24T15:54:09.33
IV.CERT.HNE. ML:2.4 0.0012250000000000002 0.48 AML other m 2023-04-24T15:54:12.62
IV.CERT.HHE. ML:1.9 0.000381 1.04 AML other m 2023-04-24T15:54:12.62
IV.GUAR.HHE. ML:2.6 0.00171 0.2 AML other m 2023-04-24T15:54:12.92
IV.GUAR.HNE. ML:2.6 0.0016099999999999999 0.22 AML other m 2023-04-24T15:54:12.93
IV.GUAR.HHN. ML:2.4 0.0012549999999999998 0.64 AML other m 2023-04-24T15:54:13.50
IV.GUAR.HNN. ML:2.4 0.00123 0.64 AML other m 2023-04-24T15:54:13.18
IV.CERT.HHN. ML:2.2 0.0007025 0.3 AML other m 2023-04-24T15:54:13.58
IV.CERT.HNN. ML:2.2 0.0007284999999999999 0.32 AML other m 2023-04-24T15:54:13.57
IV.MTCE.HHE. ML:2.1 0.00038500000000000003 0.8 AML other m 2023-04-24T15:54:17.86
IV.LRP.EHE. ML:2.3 0.0005819999999999999 1.02 AML other m 2023-04-24T15:54:18.70
IV.LRP.EHN. ML:1.9 0.0002045 0.9 AML other m 2023-04-24T15:54:18.69
IV.MTCE.HHN. ML:1.9 0.0002465 0.46 AML other m 2023-04-24T15:54:19.61
IV.VVLD.HNE. ML:2.2 0.000359 1.48 AML other m 2023-04-24T15:54:20.91
IV.VVLD.HHE. ML:2.3 0.000379 1.44 AML other m 2023-04-24T15:54:20.90
IV.POFI.HHE. ML:2.2 0.000297 0.54 AML other m 2023-04-24T15:54:21.34
IV.POFI.HHN. ML:2.0 0.000222 0.54 AML other m 2023-04-24T15:54:21.93
IV.VVLD.HNN. ML:2.3 0.00040649999999999996 0.66 AML other m 2023-04-24T15:54:26.75
IV.VVLD.HHN. ML:2.2 0.000371 0.64 AML other m 2023-04-24T15:54:26.75
IV.T0110.HHN. ML:2.3 0.00023549999999999998 0.42 AML other m 2023-04-24T15:54:29.10
IV.CERA.HHN. ML:2.4 0.0002935 1.02 AML other m 2023-04-24T15:54:31.93
IV.CERA.HNN. ML:2.4 0.0002875 1.02 AML other m 2023-04-24T15:54:31.93
IV.RM33.EHN. ML:2.3 0.0001875 1.58 AML other m 2023-04-24T15:54:34.80
IV.RM33.EHE. ML:2.3 0.000189 1.64 AML other m 2023-04-24T15:54:34.04
IV.INTR.HHN. ML:2.5 0.0004255 0.86 AML other m 2023-04-24T15:54:35.27
IV.CERA.HHE. ML:2.5 0.0004115 1.2 AML other m 2023-04-24T15:54:35.97
IV.CERA.HNE. ML:2.5 0.0003905 1.22 AML other m 2023-04-24T15:54:35.98
IV.T0110.HHE. ML:2.4 0.0003055 0.48 AML other m 2023-04-24T15:54:36.25
IV.SMA1.EHE. ML:2.4 0.000206 0.44 AML other m 2023-04-24T15:54:36.63
IV.INTR.HHE. ML:2.3 0.00022399999999999997 0.66 AML other m 2023-04-24T15:54:36.08
IV.SMA1.EHN. ML:2.3 0.00016350000000000002 0.74 AML other m 2023-04-24T15:54:40.50
IV.CESI.HHN. ML:2.4 0.00014000000000000001 0.42 AML other m 2023-04-24T15:54:44.82
IV.MMO1.EHE. ML:2.2 0.0001005 0.52 AML other m 2023-04-24T15:54:49.02
IV.FDMO.HHE. ML:2.0 0.00005225 0.4 AML other m 2023-04-24T15:54:49.25
IV.CESI.HHE. ML:2.2 0.00008979999999999999 0.42 AML other m 2023-04-24T15:54:51.33
IV.MMO1.EHN. ML:2.2 0.00010220000000000002 0.66 AML other m 2023-04-24T15:54:52.10
IV.ASSB.HHN. ML:2.2 0.000077 0.48 AML other m 2023-04-24T15:54:52.47
IV.FDMO.HHN. ML:2.1 0.00005995 1.44 AML other m 2023-04-24T15:54:53.99
IV.MML1.EHE. ML:2.2 0.00007625 0.54 AML other m 2023-04-24T15:54:53.19
IV.VITU.HHE. ML:2.3 0.00009395000000000001 0.8 AML other m 2023-04-24T15:54:58.39
IV.MML1.EHN. ML:2.1 0.00006025 0.58 AML other m 2023-04-24T15:54:58.81
IV.ASSB.HHE. ML:2.2 0.00008424999999999999 1.1 AML other m 2023-04-24T15:55:00.85
IV.VITU.HHN. ML:2.2 0.00008945 0.48 AML other m 2023-04-24T15:55:03.59
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
Waveforms Seismic signals in miniseed + resp format Download