Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 03-11-2020 and time 08:08:23 (Italy) in region 2 km NE Bassiano (LT)

A magnitude ML 2.0 earthquake occured in region: 2 km NE Bassiano (LT), on

  • 03-11-2020 07:08:23 (UTC)
  • 03-11-2020 08:08:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.5640, 13.0400 at 6 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
Bassiano LT 2 1583 1583
Sermoneta LT 5 9842 11425
Carpineto Romano RM 6 4524 15949
Norma LT 6 3946 19895
Sezze LT 7 24894 44789
Montelanico RM 10 2131 46920
Roccagorga LT 11 4591 51511
Gorga RM 12 710 52221
Maenza LT 13 3074 55295
Cori LT 14 11065 66360
Segni RM 14 9159 75519
Sgurgola FR 15 2676 78195
Gavignano RM 15 1916 80111
Priverno LT 15 14525 94636
Morolo FR 16 3257 97893
Latina LT 16 125985 223878
Supino FR 16 4873 228751
Rocca Massima LT 16 1136 229887
Roccasecca dei Volsci LT 17 1146 231033
Pontinia LT 17 14920 245953
Patrica FR 17 3171 249124
Cisterna di Latina LT 18 36868 285992
Colleferro RM 19 21595 307587
Prossedi LT 19 1202 308789

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NE of Latina (125985 inhabitants)
26 Km SE of Velletri (53303 inhabitants)
33 Km E of Aprilia (73446 inhabitants)
37 Km E of Anzio (54211 inhabitants)
46 Km E of Pomezia (62966 inhabitants)
49 Km SE of Tivoli (56533 inhabitants)
55 Km SE of Guidonia Montecelio (88673 inhabitants)
59 Km SE of Roma (2864731 inhabitants)
71 Km E of Fiumicino (78395 inhabitants)
93 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 2.0 2020-11-03
07:08:23		 41.5638 13.0402 6 2021-02-26
14:56:07		 Bollettino Sismico Italiano INGV 84965571
Reviewed
Rev100 		ML 2.0 2020-11-03
07:08:23		 41.5658 13.002 7 2020-11-03
07:46:11		 Sala Sismica INGV-Roma 84410071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-03 07:08:23 ± 0.08
Latitude 41.5638 ± 0.0045
Longitude 13.0402 ± 0.0048
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84965571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 426
Semi-minor axis of confidence ellipse (meter) 397
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 337
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 128
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.78421
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 84965571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-19 16:08:19

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 84410071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-03 07:46:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.CLTB.HHZ. 2020-11-03T07:10:15.61 3.0 undecidable manual Sn -0.6 0
IV.FIR.HHZ. 2020-11-03T07:09:41.87 3.0 undecidable manual Sg 2.07 0
MN.CLTB.HHZ. 2020-11-03T07:09:33.58 3.0 negative manual Pg 6.39 0
IV.VENL.HNZ. 2020-11-03T07:09:21.95 3.0 positive manual Pn -2.71 0
IV.MESG.HHZ. 2020-11-03T07:09:19.89 3.0 positive manual Pn -3.98 0
IV.INTR.HHZ. 2020-11-03T07:08:51.02 0.3 undecidable manual S 55 87.0462 50 0.65 57
IV.VVLD.HHZ. 2020-11-03T07:08:42.71 0.6 undecidable manual S 55 58.9965 50 -0.17 46
IV.POFI.HHZ. 2020-11-03T07:08:42.76 0.6 undecidable manual S 73 58.1973 50 0.09 47
IV.SAMA.EHZ. 2020-11-03T07:08:38.90 0.6 undecidable manual S 303 44.2224 50 -0.03 49
IV.INTR.HHZ. 2020-11-03T07:08:38.67 0.3 undecidable manual P 55 87.0462 50 -0.38 62
IV.RMP.HHN. 2020-11-03T07:08:37.16 0.6 undecidable manual S 315 39.1275 99 -0.18 48
IV.RCAV.EHZ. 2020-11-03T07:08:35.16 0.6 undecidable manual S 346 32.4453 101 0.1 49
IV.GUAR.HHZ. 2020-11-03T07:08:35.47 0.6 undecidable manual S 41 34.1436 100 -0.17 48
IV.POFI.HHZ. 2020-11-03T07:08:34.66 0.3 undecidable manual P 73 58.1973 50 0.05 71
IV.VVLD.HHZ. 2020-11-03T07:08:34.48 0.1 positive manual P 55 58.9965 50 -0.25 90
IV.PTQR.HHZ. 2020-11-03T07:08:34.68 0.3 undecidable manual P 30 58.8966 50 -0.04 71
IV.VIVA.HHZ. 2020-11-03T07:08:34.64 0.6 undecidable manual S 313 30.4473 102 0.24 48
IV.LRP.EHZ. 2020-11-03T07:08:32.49 0.3 undecidable manual P 78 46.2204 50 -0.28 69
IV.SAMA.EHZ. 2020-11-03T07:08:32.83 0.6 undecidable manual P 303 44.2224 50 0.38 45
IV.RMP.HHN. 2020-11-03T07:08:31.96 0.6 undecidable manual P 315 39.1275 99 0.42 45
IV.GUAR.HHZ. 2020-11-03T07:08:30.61 0.3 undecidable manual P 41 34.1436 100 0.06 74
IV.GIUL.HHZ. 2020-11-03T07:08:29.98 0.6 undecidable manual S 92 17.7711 109 -0.17 49
IV.VIVA.HHZ. 2020-11-03T07:08:29.56 0.6 undecidable manual P 313 30.4473 102 -0.28 47
IV.RCAV.EHZ. 2020-11-03T07:08:29.98 0.3 undecidable manual P 346 32.4453 101 -0.24 71
IV.LATB.EHZ. 2020-11-03T07:08:27.84 0.3 undecidable manual S 220 10.0788 122 0.11 76
IV.GIUL.HHZ. 2020-11-03T07:08:27.82 0.1 undecidable manual P 92 17.7711 109 0.43 94
IV.LATB.EHZ. 2020-11-03T07:08:25.80 0.1 negative manual P 220 10.0788 122 -0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LATB.EHN. ML:1.9 0.0012415 0.5 AML other m 2020-11-03T07:08:29.26
IV.LATB.EHE. ML:2.2 0.002205 0.54 AML other m 2020-11-03T07:08:29.70
IV.GIUL.HHE. ML:2.0 0.0008334999999999999 0.26 AML other m 2020-11-03T07:08:31.69
IV.GIUL.HHN. ML:2.1 0.0012349999999999998 0.54 AML other m 2020-11-03T07:08:33.96
IV.RCAV.EHN. ML:1.8 0.00031668669999999996 0.2976 AML other m 2020-11-03T07:08:37.70
IV.RCAV.EHE. ML:2.0 0.0005078569000000001 0.3008 AML other m 2020-11-03T07:08:38.72
IV.LRP.EHN. ML:1.3 0.00005915 0.26 AML other m 2020-11-03T07:08:41.80
IV.VVLD.HNN. ML:2.1 0.00025212275 0.3008 AML other m 2020-11-03T07:08:43.60
IV.VVLD.HHN. ML:2.1 0.000253 0.3 AML other m 2020-11-03T07:08:43.60
IV.LRP.EHE. ML:1.9 0.00022944970000000003 0.3392 AML other m 2020-11-03T07:08:43.76
IV.VVLD.HNE. ML:2.2 0.00035857675 0.5696 AML other m 2020-11-03T07:08:43.58
IV.POFI.HNE. ML:1.9 0.00017624735 0.5984 AML other m 2020-11-03T07:08:44.16
IV.PTQR.HHN. ML:1.5 0.0000714 1.12 AML other m 2020-11-03T07:08:44.21
IV.VVLD.HHE. ML:2.2 0.00033899999999999995 0.56 AML other m 2020-11-03T07:08:45.80
IV.POFI.HHN. ML:1.5 0.00007580000000000001 1.14 AML other m 2020-11-03T07:08:46.10
IV.PTQR.HHE. ML:1.6 0.000075780465 0.4 AML other m 2020-11-03T07:08:46.38
IV.POFI.HHE. ML:1.6 0.0000881 0.46 AML other m 2020-11-03T07:08:50.48
IV.POFI.HNN. ML:2.0 0.00021171299999999998 0.9216 AML other m 2020-11-03T07:08:53.54
IV.INTR.HNN. ML:2.4 0.00027603065 0.7712 AML other m 2020-11-03T07:08:58.13
IV.INTR.HHN. ML:2.2 0.00021400000000000002 0.68 AML other m 2020-11-03T07:09:02.65
IV.INTR.HHE. ML:2.1 0.0001615 0.58 AML other m 2020-11-03T07:09:04.62
IV.INTR.HNE. ML:2.2 0.00019553755 0.6304 AML other m 2020-11-03T07:09:04.62
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