Earthquake with magnitude of ML 1.7 on date 20-11-2021 and time 00:10:23 (UTC) in region 5 km E Latina (LT)

A magnitude ML 1.7 earthquake occured in region: 5 km E Latina (LT), on

  • 20-11-2021 00:10:23 (UTC)
  • 20-11-2021 01:10:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.4890, 12.9600 at 7 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Latina LT 5 125985 125985
Sermoneta LT 7 9842 135827
Sezze LT 8 24894 160721
Bassiano LT 9 1583 162304
Norma LT 11 3946 166250
Pontinia LT 11 14920 181170
Cisterna di Latina LT 16 36868 218038
Carpineto Romano RM 17 4524 222562
Roccagorga LT 17 4591 227153
Cori LT 18 11065 238218
Priverno LT 19 14525 252743
Maenza LT 19 3074 255817
Montelanico RM 19 2131 257948

Municipalities with at least 50000 inhabitants

An earthquake occurred to
5 Km E of Latina (125985 inhabitants)
27 Km SE of Velletri (53303 inhabitants)
28 Km E of Anzio (54211 inhabitants)
28 Km E of Aprilia (73446 inhabitants)
43 Km E of Pomezia (62966 inhabitants)
55 Km S of Tivoli (56533 inhabitants)
60 Km SE of Roma (2864731 inhabitants)
60 Km SE of Guidonia Montecelio (88673 inhabitants)
68 Km E of Fiumicino (78395 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 1.7 2021-11-20
00:10:23
41.4893 12.9602 7 2022-03-30
13:04:20
Bollettino Sismico Italiano INGV 98241821
Reviewed
Rev100
ML 1.7 2021-11-20
00:10:23
41.4818 12.9612 8 2021-11-20
00:19:58
Sala Sismica INGV-Roma 97610521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-20 00:10:23 ± 0.13
Latitude 41.4893 ± 0.0090
Longitude 12.9602 ± 0.0072
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98241821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1023
Semi-minor axis of confidence ellipse (meter) 401
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) 1020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 226
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00450
Epicentral distance of station farthest from the epicenter (degree) 0.87684
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 98241821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-24 11:16:31

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 97610521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-20 00:19:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTQR.HHZ. 2021-11-20T00:10:45.60 0.6 undecidable manual S 32 69.375 50 0.34 43
IV.VVLD.HHZ. 2021-11-20T00:10:45.42 0.6 undecidable manual S 52 69.2751 50 0.2 44
IV.POFI.HHZ. 2021-11-20T00:10:44.82 0.3 undecidable manual S 68 67.2771 50 0.12 67
IV.LRP.EHZ. 2021-11-20T00:10:41.66 0.6 undecidable manual S 71 54.9006 50 0.29 44
IV.INTR.HHZ. 2021-11-20T00:10:40.17 0.1 undecidable manual P 53 97.3248 50 -0.17 84
IV.FIAM.HNN. 2021-11-20T00:10:38.52 0.6 undecidable manual P 8 87.3459 50 -0.29 42
IV.GUAR.HHE. 2021-11-20T00:10:38.92 0.6 undecidable manual S 41 44.7219 50 0.26 45
IV.RCAV.EHZ. 2021-11-20T00:10:37.03 0.6 undecidable manual S 358 39.7269 50 -0.3 45
IV.PTQR.HHZ. 2021-11-20T00:10:36.00 0.1 undecidable manual P 32 69.375 50 -0.05 91
IV.VVLD.HHZ. 2021-11-20T00:10:35.83 0.1 undecidable manual P 52 69.2751 50 -0.19 88
IV.VIVA.HHZ. 2021-11-20T00:10:35.06 0.6 undecidable manual S 331 32.9448 103 -0.12 48
IV.POFI.HHZ. 2021-11-20T00:10:35.83 0.1 undecidable manual P 68 67.2771 50 0.11 90
IV.LRP.EHZ. 2021-11-20T00:10:33.68 0.1 undecidable manual P 71 54.9006 50 -0.12 92
IV.GUAR.HHE. 2021-11-20T00:10:32.18 0.3 undecidable manual P 41 44.7219 50 -0.06 71
IV.GIUL.HHZ. 2021-11-20T00:10:32.68 0.6 undecidable manual S 73 25.6521 106 -0.04 49
IV.LIK.EHZ.01 2021-11-20T00:10:32.99 0.3 undecidable manual P 88 49.8168 50 -0.04 71
IV.RMP.HHZ. 2021-11-20T00:10:32.05 0.6 undecidable manual P 329 41.5251 50 0.29 45
IV.CERT.HNE. 2021-11-20T00:10:32.89 0.3 undecidable manual P 2 51.0156 50 -0.32 67
IV.RCAV.EHZ. 2021-11-20T00:10:31.17 0.1 undecidable manual P 358 39.7269 50 -0.3 91
IV.RDP.HHZ. 2021-11-20T00:10:30.95 0.3 undecidable manual P 326 36.5412 102 0.02 73
IV.VIVA.HHZ. 2021-11-20T00:10:30.46 0.3 undecidable manual P 331 32.9448 103 0.23 70
IV.LAV9.HHE. 2021-11-20T00:10:30.24 0.3 undecidable manual P 314 30.1476 104 0.56 65
IV.GIUL.HHZ. 2021-11-20T00:10:28.91 0.1 undecidable manual P 73 25.6521 106 0.1 97
IV.LATB.EHZ. 2021-11-20T00:10:25.81 0.1 undecidable manual S 20 0.4995 176 -0.24 99
IV.LATB.EHZ. 2021-11-20T00:10:25.13 0.1 undecidable manual P 20 0.4995 176 0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIUL.HHN. ML:1.8 0.00038700000000000003 0.14 AML other m 2021-11-20T00:10:34.04
IV.GIUL.HHE. ML:1.6 0.0002535 0.16 AML other m 2021-11-20T00:10:34.19
IV.VIVA.HHN. ML:2.1 0.0005785 0.18 AML other m 2021-11-20T00:10:36.56
IV.VIVA.HHE. ML:1.9 0.000386 1.36 AML other m 2021-11-20T00:10:36.06
IV.RCAV.EHN. ML:1.6 0.000148 0.16 AML other m 2021-11-20T00:10:38.14
IV.RCAV.EHE. ML:1.6 0.00013900000000000002 1.16 AML other m 2021-11-20T00:10:38.72
IV.POFI.HHE. ML:0.9 0.000017470535000000004 1.06 AML other m 2021-11-20T00:10:45.91
IV.VVLD.HHE. ML:1.9 0.00013800000000000002 0.48 AML other m 2021-11-20T00:10:46.03
IV.VVLD.HHN. ML:1.8 0.00011660000000000002 1.48 AML other m 2021-11-20T00:10:47.77
IV.POFI.HHN. ML:1.2 0.00003145 1.08 AML other m 2021-11-20T00:10:47.11
IV.INTR.HNN. ML:2.0 0.0000990125 0.55 AML other m 2021-11-20T00:10:53.86
IV.INTR.HHE. ML:1.6 0.000040743375 1.34 AML other m 2021-11-20T00:10:54.36
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