Earthquake with magnitude of ML 1.6 on date 23-05-2021 and time 19:13:05 (Italy) in region 1 km W Terelle (FR)

A magnitude ML 1.6 earthquake occured in region: 1 km W Terelle (FR), on

  • 23-05-2021 17:13:05 (UTC)
  • 23-05-2021 19:13:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5590, 13.7680 at 10 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
Terelle FR 1 422 422
Belmonte Castello FR 4 739 1161
Villa Santa Lucia FR 6 2632 3793
Colle San Magno FR 6 699 4492
Castrocielo FR 7 3965 8457
Piedimonte San Germano FR 7 6535 14992
Atina FR 7 4316 19308
Casalattico FR 8 574 19882
Roccasecca FR 8 7365 27247
Sant'Elia Fiumerapido FR 8 6166 33413
Villa Latina FR 9 1241 34654
Aquino FR 9 5370 40024
Cassino FR 9 36142 76166
Casalvieri FR 9 2698 78864
Gallinaro FR 11 1269 80133
Vallerotonda FR 12 1581 81714
Santopadre FR 12 1357 83071
Picinisco FR 13 1218 84289
Colfelice FR 14 1932 86221
Pignataro Interamna FR 14 2595 88816
Pontecorvo FR 14 13242 102058
Vicalvi FR 14 783 102841
Settefrati FR 14 728 103569
Cervaro FR 14 8109 111678
Fontechiari FR 15 1303 112981
Alvito FR 15 2713 115694
San Biagio Saracinisco FR 15 349 116043
Acquafondata FR 16 263 116306
Rocca d'Arce FR 16 959 117265
Posta Fibreno FR 16 1139 118404
Arpino FR 16 7262 125666
Arce FR 16 5756 131422
San Giorgio a Liri FR 17 3164 134586
San Donato Val di Comino FR 17 2107 136693
Viticuso FR 17 353 137046
San Vittore del Lazio FR 18 2636 139682
Sant'Apollinare FR 18 1919 141601
San Giovanni Incarico FR 19 3336 144937
Fontana Liri FR 19 2953 147890
Broccostella FR 20 2741 150631

Municipalities with at least 50000 inhabitants

An earthquake occurred to
72 Km NW of Caserta (76326 inhabitants)
73 Km E of Latina (125985 inhabitants)
75 Km NW of Aversa (53047 inhabitants)
79 Km NW of Giugliano in Campania (122974 inhabitants)
81 Km NW of Marano di Napoli (59874 inhabitants)
84 Km E of Velletri (53303 inhabitants)
84 Km NW of Pozzuoli (81661 inhabitants)
84 Km NW of Afragola (65057 inhabitants)
85 Km NW of Casoria (77642 inhabitants)
85 Km NW of Acerra (59573 inhabitants)
90 Km NW of Napoli (974074 inhabitants)
92 Km SE of Tivoli (56533 inhabitants)
93 Km E of Aprilia (73446 inhabitants)
93 Km SE of L'Aquila (69753 inhabitants)
94 Km SW of Chieti (51815 inhabitants)
95 Km NW of Portici (55274 inhabitants)
96 Km E of Anzio (54211 inhabitants)
96 Km NW of Ercolano (53709 inhabitants)
97 Km NW of Benevento (60091 inhabitants)
99 Km NW of Torre del Greco (86275 inhabitants)
99 Km SE of Guidonia Montecelio (88673 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 1.6 2021-05-23
17:13:05
41.5592 13.7682 10 2021-12-29
11:12:02
Bollettino Sismico Italiano INGV 90666481
Reviewed
Rev100
ML 1.6 2021-05-23
17:13:04
41.542 13.7803 11 2021-05-23
17:32:58
Sala Sismica INGV-Roma 90421981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-23 17:13:05 ± 0.09
Latitude 41.5592 ± 0.0054
Longitude 13.7682 ± 0.0060
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90666481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 543
Semi-minor axis of confidence ellipse (meter) 487
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 195
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.07554
Epicentral distance of station farthest from the epicenter (degree) 0.47394
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:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 90666481
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-31 15:50:14

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 90421981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-05-23 17:32:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HNE. 2021-05-23T17:13:21.95 0.3 undecidable manual S 13 51.4152 50 0.2 68
IV.MIDA.HNN. 2021-05-23T17:13:19.24 0.6 undecidable manual S 77 41.3253 50 0.19 46
IV.GIUL.HHZ. 2021-05-23T17:13:19.05 0.6 undecidable manual S 270 42.624 50 -0.35 45
IV.RNI2.HNE. 2021-05-23T17:13:18.43 0.6 undecidable manual S 63 35.6421 50 0.9 37
IV.VVLD.HNE. 2021-05-23T17:13:17.73 0.3 undecidable manual S 341 36.4413 50 -0.02 73
IV.PIGN.HNE. 2021-05-23T17:13:15.48 0.1 undecidable manual P 139 52.6029 50 0.52 84
IT.OPI.HGZ. 2021-05-23T17:13:14.41 0.6 undecidable manual S 12 24.6531 112 -0.06 49
IV.INTR.HNE. 2021-05-23T17:13:14.24 0.1 undecidable manual P 13 51.4152 50 -0.55 84
IV.GUAR.HNN. 2021-05-23T17:13:14.07 0.6 undecidable manual P 305 45.9207 50 0.14 46
IV.CERA.HHZ. 2021-05-23T17:13:13.50 0.6 undecidable manual S 78 21.1677 115 0.12 49
IV.GIUL.HHZ. 2021-05-23T17:13:13.54 0.1 undecidable manual P 270 42.624 50 0.11 94
IV.LIK.EHZ. 2021-05-23T17:13:13.12 0.6 undecidable manual S 249 18.5703 118 0.56 44
IV.MIDA.HNN. 2021-05-23T17:13:12.72 0.1 undecidable manual P 77 41.3253 50 -0.51 86
IV.RNI2.HNE. 2021-05-23T17:13:12.53 0.1 undecidable manual P 63 35.6421 50 0.18 94
IV.LRP.EHZ. 2021-05-23T17:13:12.66 0.3 undecidable manual S 303 17.9709 119 0.29 71
IV.VVLD.HNE. 2021-05-23T17:13:12.10 0.1 undecidable manual P 341 36.4413 50 -0.38 90
IV.POFI.HHZ. 2021-05-23T17:13:12.50 0.6 undecidable manual S 345 18.1707 118 0.06 50
IT.OPI.HGZ. 2021-05-23T17:13:10.79 0.1 undecidable manual P 12 24.6531 112 0.2 95
IV.LRP.EHZ. 2021-05-23T17:13:09.21 0.6 negative manual P 303 17.9709 119 -0.16 49
IV.LIK.EHZ. 2021-05-23T17:13:09.47 0.1 undecidable manual P 249 18.5703 118 -0.01 100
IV.POFI.HHZ. 2021-05-23T17:13:09.52 0.6 undecidable manual P 345 18.1707 118 0.11 49
IV.MCI.EHZ. 2021-05-23T17:13:09.87 0.3 undecidable manual S 154 8.3805 139 0.11 75
IV.CERA.HHZ. 2021-05-23T17:13:09.86 0.1 negative manual P 78 21.1677 115 -0.1 98
IV.MCI.EHZ. 2021-05-23T17:13:07.24 0.1 undecidable manual P 154 8.3805 139 -0.63 87
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCI.EHE. ML:0.0 0.0026500000000000004 0.28 AML other m 2021-05-23T17:13:10.16
IV.MCI.EHN. ML:0.0 0.0017749999999999999 0.3 AML other m 2021-05-23T17:13:10.22
IV.POFI.HHN. ML:1.2 0.0001175 0.68 AML other m 2021-05-23T17:13:13.48
IV.POFI.HHE. ML:1.4 0.0002035 0.6 AML other m 2021-05-23T17:13:13.60
IV.LRP.EHN. ML:1.2 0.00011284999999999999 0.7 AML other m 2021-05-23T17:13:14.57
IV.LRP.EHE. ML:1.4 0.00023179275 0.2688 AML other m 2021-05-23T17:13:13.01
IV.CERA.HHN. ML:1.8 0.00039600000000000003 0.5 AML other m 2021-05-23T17:13:16.64
IV.CERA.HNN. ML:1.7 0.000358 0.48 AML other m 2021-05-23T17:13:16.65
IV.CERA.HNE. ML:1.7 0.000338 0.5 AML other m 2021-05-23T17:13:21.27
IV.CERA.HHE. ML:1.7 0.00034250000000000003 0.64 AML other m 2021-05-23T17:13:21.26
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