Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 07-03-2021 and time 14:41:44 (UTC) in region 2 km E Terelle (FR)

A magnitude ML 1.4 earthquake occured in region: 2 km E Terelle (FR), on

  • 07-03-2021 14:41:44 (UTC)
  • 07-03-2021 15:41:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.5460, 13.8020 at 8 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
Terelle FR 2 422 422
Belmonte Castello FR 4 739 1161
Villa Santa Lucia FR 5 2632 3793
Sant'Elia Fiumerapido FR 5 6166 9959
Cassino FR 6 36142 46101
Piedimonte San Germano FR 7 6535 52636
Villa Latina FR 8 1241 53877
Atina FR 8 4316 58193
Castrocielo FR 9 3965 62158
Colle San Magno FR 9 699 62857
Vallerotonda FR 9 1581 64438
Aquino FR 10 5370 69808
Casalattico FR 11 574 70382
Roccasecca FR 11 7365 77747
Cervaro FR 11 8109 85856
Casalvieri FR 12 2698 88554
Pignataro Interamna FR 12 2595 91149
Picinisco FR 13 1218 92367
Gallinaro FR 13 1269 93636
Acquafondata FR 13 263 93899
San Biagio Saracinisco FR 13 349 94248
Viticuso FR 14 353 94601
San Vittore del Lazio FR 14 2636 97237
Settefrati FR 15 728 97965
Pontecorvo FR 15 13242 111207
Santopadre FR 15 1357 112564
San Giorgio a Liri FR 16 3164 115728
Sant'Apollinare FR 16 1919 117647
Colfelice FR 16 1932 119579
Alvito FR 17 2713 122292
Vicalvi FR 17 783 123075
San Pietro Infine CE 17 944 124019
Fontechiari FR 17 1303 125322
Conca Casale IS 18 200 125522
Sant'Ambrogio sul Garigliano FR 18 966 126488
San Donato Val di Comino FR 18 2107 128595
Rocca d'Evandro CE 19 3283 131878
Posta Fibreno FR 19 1139 133017
Rocca d'Arce FR 19 959 133976
Castelnuovo Parano FR 19 883 134859
Arpino FR 20 7262 142121
Arce FR 20 5756 147877
Vallemaio FR 20 937 148814

Municipalities with at least 50000 inhabitants

An earthquake occurred to
69 Km NW of Caserta (76326 inhabitants)
72 Km NW of Aversa (53047 inhabitants)
75 Km E of Latina (125985 inhabitants)
76 Km NW of Giugliano in Campania (122974 inhabitants)
79 Km NW of Marano di Napoli (59874 inhabitants)
81 Km NW of Afragola (65057 inhabitants)
81 Km NW of Pozzuoli (81661 inhabitants)
82 Km NW of Acerra (59573 inhabitants)
82 Km NW of Casoria (77642 inhabitants)
87 Km E of Velletri (53303 inhabitants)
87 Km NW of Napoli (974074 inhabitants)
93 Km NW of Portici (55274 inhabitants)
94 Km NW of Ercolano (53709 inhabitants)
94 Km NW of Benevento (60091 inhabitants)
95 Km SW of Chieti (51815 inhabitants)
95 Km SE of Tivoli (56533 inhabitants)
96 Km SE of L'Aquila (69753 inhabitants)
96 Km E of Aprilia (73446 inhabitants)
97 Km NW of Torre del Greco (86275 inhabitants)
98 Km E of Anzio (54211 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 1.4 2021-03-07
14:41:44		 41.5463 13.8022 8 2021-07-12
16:55:07		 Bollettino Sismico Italiano INGV 89364321
Reviewed
Rev100 		ML 1.4 2021-03-07
14:41:44		 41.5257 13.7767 8 2021-03-07
14:51:50		 Sala Sismica INGV-Roma 87871851
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-07 14:41:44 ± 0.13
Latitude 41.5463 ± 0.0081
Longitude 13.8022 ± 0.0084
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89364321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 808
Semi-minor axis of confidence ellipse (meter) 528
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 177
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.56208
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 89364321
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-22 16:14:28

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 87871851
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-07 14:51:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHN. 2021-03-07T14:42:00.41 0.6 undecidable manual S 272 45.5211 50 1.1 33
IV.VVLD.HHZ. 2021-03-07T14:41:57.00 0.6 undecidable manual S 338 38.8278 50 -0.53 43
IV.RNI2.HHZ. 2021-03-07T14:41:57.28 0.6 undecidable manual S 59 33.8439 104 1.14 33
IV.PTQR.HHZ. 2021-03-07T14:41:55.46 0.3 undecidable manual P 328 62.3931 50 0 70
IV.INTR.HHZ. 2021-03-07T14:41:53.53 0.3 undecidable manual P 9 52.3032 50 -0.38 66
IV.GIUL.HHN. 2021-03-07T14:41:52.88 0.3 undecidable manual P 272 45.5211 50 0.01 72
IV.VAGA.HHZ. 2021-03-07T14:41:52.37 0.3 undecidable manual P 112 38.7279 50 0.55 64
IV.POFI.HHZ. 2021-03-07T14:41:52.26 0.6 undecidable manual S 339 20.3685 112 0.58 44
IV.MIDA.HHZ. 2021-03-07T14:41:51.46 0.3 undecidable manual P 74 38.9277 50 -0.4 67
IV.LIK.EHN.01 2021-03-07T14:41:51.99 0.6 undecidable manual S 256 20.868 111 0.17 48
IV.CERA.HHZ. 2021-03-07T14:41:51.44 0.6 undecidable manual S 72 18.87 113 0.27 48
IV.VVLD.HHZ. 2021-03-07T14:41:51.11 0.3 undecidable manual P 338 38.8278 50 -0.73 60
IV.LRP.EHZ. 2021-03-07T14:41:51.40 0.6 undecidable manual S 302 21.0678 111 -0.5 45
IV.RNI2.HHZ. 2021-03-07T14:41:50.95 0.3 undecidable manual P 59 33.8439 104 -0.09 72
IV.LIK.EHN.01 2021-03-07T14:41:49.35 0.3 undecidable manual P 256 20.868 111 0.81 60
IT.OPI.HGE. 2021-03-07T14:41:49.36 0.3 undecidable manual P 5 25.6521 108 -0.08 73
IV.LRP.EHZ. 2021-03-07T14:41:48.60 0.1 undecidable manual P 302 21.0678 111 0.01 100
IV.POFI.HHZ. 2021-03-07T14:41:48.48 0.1 undecidable manual P 339 20.3685 112 0.02 100
IV.CERA.HHZ. 2021-03-07T14:41:48.22 0.1 undecidable manual P 72 18.87 113 0.05 100
IV.MCI.EHZ. 2021-03-07T14:41:47.01 0.3 undecidable manual S 172 6.1938 143 -0.6 67
IV.MCI.EHZ. 2021-03-07T14:41:45.89 0.1 undecidable manual P 172 6.1938 143 -0.22 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCI.EHE. ML:2.8 0.01217 0.66 AML other m 2021-03-07T14:41:47.88
IV.MCI.EHN. ML:2.7 0.009445 0.24 AML other m 2021-03-07T14:41:49.20
IV.POFI.HHN. ML:1.2 0.0001315 0.2 AML other m 2021-03-07T14:41:53.23
IV.POFI.HHE. ML:1.3 0.0001375 0.18 AML other m 2021-03-07T14:41:53.59
IV.LRP.EHN. ML:1.0 0.00008024999999999999 0.52 AML other m 2021-03-07T14:41:53.59
IV.LRP.EHE. ML:1.4 0.0002065 0.26 AML other m 2021-03-07T14:41:54.57
IV.CERA.HHE. ML:1.6 0.00029099999999999997 1.58 AML other m 2021-03-07T14:41:55.04
IV.CERA.HNE. ML:1.5 0.00028500000000000004 1.56 AML other m 2021-03-07T14:41:55.05
IV.CERA.HHN. ML:1.7 0.000391 1.42 AML other m 2021-03-07T14:41:56.23
IV.CERA.HNN. ML:1.7 0.000374 0.52 AML other m 2021-03-07T14:41:56.23
IV.VVLD.HHN. ML:1.3 0.0000769 1.78 AML other m 2021-03-07T14:41:58.02
IV.VVLD.HHE. ML:1.4 0.00009769999999999999 0.34 AML other m 2021-03-07T14:41:59.78
IV.VAGA.HHE. ML:1.1 0.00004295 0.62 AML other m 2021-03-07T14:42:00.26
IV.RNI2.HHN. ML:1.3 0.00008874999999999999 0.62 AML other m 2021-03-07T14:42:01.10
IV.RNI2.HNN. ML:1.3 0.0000875 0.62 AML other m 2021-03-07T14:42:01.10
IV.RNI2.HNE. ML:1.5 0.000126 0.52 AML other m 2021-03-07T14:42:02.34
IV.RNI2.HHE. ML:1.4 0.00009460000000000001 1.08 AML other m 2021-03-07T14:42:04.39
IV.INTR.HHN. ML:1.5 0.00007775000000000002 0.76 AML other m 2021-03-07T14:42:04.25
IV.INTR.HHE. ML:1.4 0.000057050000000000004 1.34 AML other m 2021-03-07T14:42:04.18
IV.VAGA.HHN. ML:1.3 0.00008070000000000001 0.94 AML other m 2021-03-07T14:42:08.48
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