Earthquake with magnitude of ML 1.7 on date 10-05-2023 and time 04:09:33 (UTC) in region 1 km W Vallemaio (FR)

A magnitude ML 1.7 earthquake occured in region: 1 km W Vallemaio (FR), on

  • 10-05-2023 04:09:33 (UTC)
  • 10-05-2023 06:09:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3720, 13.7990 at 7 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
Vallemaio FR 1 937 937
Coreno Ausonio FR 3 1644 2581
Castelnuovo Parano FR 4 883 3464
Sant'Andrea del Garigliano FR 4 1505 4969
Sant'Apollinare FR 4 1919 6888
Ausonia FR 5 2619 9507
San Giorgio a Liri FR 5 3164 12671
Sant'Ambrogio sul Garigliano FR 6 966 13637
Pignataro Interamna FR 7 2595 16232
Santi Cosma e Damiano LT 8 6897 23129
Castelforte LT 8 4386 27515
Rocca d'Evandro CE 9 3283 30798
Spigno Saturnia LT 9 2961 33759
Esperia FR 10 3828 37587
Minturno LT 13 19783 57370
Galluccio CE 14 2154 59524
Cassino FR 14 36142 95666
Piedimonte San Germano FR 15 6535 102201
Pontecorvo FR 15 13242 115443
Cervaro FR 15 8109 123552
San Vittore del Lazio FR 15 2636 126188
Villa Santa Lucia FR 16 2632 128820
San Pietro Infine CE 16 944 129764
Aquino FR 16 5370 135134
Mignano Monte Lungo CE 16 3250 138384
Conca della Campania CE 17 1239 139623
Roccamonfina CE 18 3511 143134
Sessa Aurunca CE 18 21727 164861
Tora e Piccilli CE 19 910 165771
Cellole CE 19 7830 173601
Sant'Elia Fiumerapido FR 20 6166 179767
Castrocielo FR 20 3965 183732

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km NW of Caserta (76326 inhabitants)
56 Km NW of Aversa (53047 inhabitants)
60 Km NW of Giugliano in Campania (122974 inhabitants)
62 Km NW of Marano di Napoli (59874 inhabitants)
63 Km NW of Pozzuoli (81661 inhabitants)
66 Km NW of Afragola (65057 inhabitants)
66 Km NW of Casoria (77642 inhabitants)
67 Km NW of Acerra (59573 inhabitants)
70 Km NW of Napoli (974074 inhabitants)
75 Km E of Latina (125985 inhabitants)
77 Km NW of Portici (55274 inhabitants)
78 Km NW of Ercolano (53709 inhabitants)
81 Km NW of Torre del Greco (86275 inhabitants)
87 Km W of Benevento (60091 inhabitants)
92 Km E of Velletri (53303 inhabitants)
92 Km NW of Scafati (50787 inhabitants)
95 Km NW of Castellammare di Stabia (66466 inhabitants)
98 Km NW of Avellino (54857 inhabitants)
98 Km E of Anzio (54211 inhabitants)
99 Km E of Aprilia (73446 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 1.7 2023-05-10
04:09:33
41.3725 13.7987 7 2023-05-10
04:27:48
Sala Sismica INGV-Roma 117203191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-10 04:09:33 ± 0.29
Latitude 41.3725 ± 0.0108
Longitude 13.7987 ± 0.0168
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117203191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1560
Semi-minor axis of confidence ellipse (meter) 621
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 53
Circular confidence region, given by single value of horizontal uncertainty (meter) 1560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 224
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51351
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 24
Type of magnitude ML
Reference to an origin 117203191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-10 04:27:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ERC.EHZ. 2023-05-10T04:11:15.68 3.0 undecidable manual Sn -0.78 0
IV.IVGP.HHZ. 2023-05-10T04:11:07.35 3.0 undecidable manual Sn 0.59 0
IV.RESU.HHZ. 2023-05-10T04:10:36.05 3.0 undecidable manual Pn 0.55 0
IV.ATCC.EHZ. 2023-05-10T04:10:35.58 3.0 undecidable manual Sn -0.42 0
IV.RIBO.EHZ.01 2023-05-10T04:10:17.23 3.0 undecidable manual Pn -0.9 0
IV.ATCC.EHZ. 2023-05-10T04:10:14.11 3.0 negative manual Pg 4.73 0
IV.MML1.EHZ. 2023-05-10T04:10:10.09 3.0 positive manual Pg 3.06 0
IV.MRB1.HHZ. 2023-05-10T04:10:08.50 3.0 undecidable manual S 0.2 0
IV.VVLD.HHZ. 2023-05-10T04:09:52.67 0.1 undecidable manual S 345 56.9985 50 0.25 90
IV.MRB1.HHZ. 2023-05-10T04:09:52.10 3.0 negative manual P -1.72 0
IV.POFI.HHZ. 2023-05-10T04:09:48.11 0.1 undecidable manual S 349 38.9277 100 0.56 86
IV.VAGA.HHZ. 2023-05-10T04:09:46.78 0.1 undecidable manual S 82 36.5412 101 0.05 97
IV.PIGN.HHZ. 2023-05-10T04:09:46.96 0.1 undecidable manual S 121 37.1295 101 0.04 97
IV.GIUL.HHZ. 2023-05-10T04:09:45.57 3.0 negative manual P -0.54 0
IV.CERA.HHZ. 2023-05-10T04:09:44.43 0.1 undecidable manual S 36 30.9468 103 -0.4 91
IV.VVLD.HHZ. 2023-05-10T04:09:43.93 0.1 undecidable manual P 345 56.9985 50 -0.63 81
IV.PIGN.HHZ. 2023-05-10T04:09:41.22 0.6 positive manual P 121 37.1295 101 -0.16 47
IV.POFI.HHZ. 2023-05-10T04:09:41.50 0.1 undecidable manual P 349 38.9277 100 -0.25 92
IV.VAGA.HHZ. 2023-05-10T04:09:41.47 0.1 undecidable manual P 82 36.5412 101 0.19 94
IV.CERA.HHZ. 2023-05-10T04:09:40.62 0.1 undecidable manual P 36 30.9468 103 0.44 90
IV.MCI.EHZ. 2023-05-10T04:09:38.71 0.1 undecidable manual S 5 13.1757 118 -0.29 96
IV.MCI.EHZ. 2023-05-10T04:09:36.90 0.1 undecidable manual P 5 13.1757 118 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHN. ML:2.0 0.0005380000000000001 0.68 AML other m 2023-05-10T04:09:44.68
IV.CERA.HNN. ML:2.0 0.000523 0.68 AML other m 2023-05-10T04:09:44.68
IV.CERA.HHE. ML:2.1 0.0005874999999999999 0.66 AML other m 2023-05-10T04:09:47.11
IV.CERA.HNE. ML:2.1 0.000576 0.68 AML other m 2023-05-10T04:09:47.11
IV.VAGA.HNN. ML:2.1 0.000486 1.6 AML other m 2023-05-10T04:09:47.15
IV.PIGN.HHE. ML:1.6 0.00014299999999999998 1.4 AML other m 2023-05-10T04:09:48.23
IV.PIGN.HNN. ML:1.6 0.00014600000000000003 0.38 AML other m 2023-05-10T04:09:48.22
IV.VAGA.HHN. ML:2.1 0.0004935 1.5 AML other m 2023-05-10T04:09:48.86
IV.PIGN.HHN. ML:1.6 0.000143 1.22 AML other m 2023-05-10T04:09:50.64
IV.VAGA.HNE. ML:1.8 0.00023150000000000002 1.16 AML other m 2023-05-10T04:09:50.79
IV.POFI.HHE. ML:1.1 0.0000492 0.48 AML other m 2023-05-10T04:09:50.91
IV.PIGN.HNE. ML:1.5 0.00011495 1.46 AML other m 2023-05-10T04:09:51.18
IV.VAGA.HHE. ML:1.8 0.000243 0.42 AML other m 2023-05-10T04:09:51.78
IV.POFI.HHN. ML:1.1 0.000049000000000000005 0.48 AML other m 2023-05-10T04:09:55.50
IV.POFI.HNE. ML:4.2 0.0633 0.42 AML other m 2023-05-10T04:09:55.65
IV.POFI.HNN. ML:4.5 0.12240000000000001 0.42 AML other m 2023-05-10T04:09:56.65
IV.GIUL.HHN. ML:1.2 0.0000414 0.42 AML other m 2023-05-10T04:09:58.41
IV.PTRJ.HHN. ML:1.7 0.00009665 0.44 AML other m 2023-05-10T04:09:58.31
IV.INTR.HHN. ML:1.7 0.0000808 0.7 AML other m 2023-05-10T04:09:59.37
IV.VVLD.HHE. ML:1.4 0.00005259999999999999 1.58 AML other m 2023-05-10T04:10:00.90
IV.GIUL.HHE. ML:1.1 0.000035699999999999994 0.42 AML other m 2023-05-10T04:10:02.37
IV.PTRJ.HHE. ML:1.7 0.00009709999999999999 0.56 AML other m 2023-05-10T04:10:02.44
IV.VVLD.HHN. ML:1.4 0.00004915 0.66 AML other m 2023-05-10T04:10:04.96
IV.INTR.HHE. ML:1.6 0.00006459999999999998 1.22 AML other m 2023-05-10T04:10:13.22
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