Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 16-06-2021 and time 22:27:00 (Italy) in region 5 km SW Scapoli (IS)

A magnitude ML 1.5 earthquake occured in region: 5 km SW Scapoli (IS), on

  • 16-06-2021 20:27:00 (UTC)
  • 16-06-2021 22:27:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5880, 14.0110 at 9 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
Scapoli IS 5 680 680
Filignano IS 6 648 1328
Acquafondata FR 7 263 1591
San Biagio Saracinisco FR 7 349 1940
Rocchetta a Volturno IS 8 1113 3053
Viticuso FR 8 353 3406
Colli a Volturno IS 8 1349 4755
Castel San Vincenzo IS 9 516 5271
Vallerotonda FR 9 1581 6852
Pizzone IS 9 329 7181
Montaquila IS 9 2456 9637
Pozzilli IS 10 2380 12017
Conca Casale IS 10 200 12217
Cerro al Volturno IS 11 1281 13498
Fornelli IS 11 1909 15407
Venafro IS 12 11280 26687
Sant'Elia Fiumerapido FR 13 6166 32853
Macchia d'Isernia IS 13 1035 33888
Picinisco FR 14 1218 35106
Villa Latina FR 15 1241 36347
Cervaro FR 15 8109 44456
Montenero Val Cocchiara IS 15 538 44994
San Vittore del Lazio FR 15 2636 47630
Acquaviva d'Isernia IS 15 425 48055
Monteroduni IS 16 2264 50319
Settefrati FR 16 728 51047
San Pietro Infine CE 16 944 51991
Alfedena AQ 16 864 52855
Belmonte Castello FR 17 739 53594
Capriati a Volturno CE 17 1541 55135
Rionero Sannitico IS 18 1118 56253
Atina FR 18 4316 60569
Scontrone AQ 18 574 61143
Isernia IS 18 21842 82985
Cassino FR 18 36142 119127
Sant'Agapito IS 18 1496 120623
Forlì del Sannio IS 19 675 121298
Barrea AQ 19 726 122024
Gallinaro FR 19 1269 123293
Sesto Campano IS 19 2388 125681
Ciorlano CE 20 426 126107
Terelle FR 20 422 126529

Municipalities with at least 50000 inhabitants

An earthquake occurred to
63 Km NW of Caserta (76326 inhabitants)
70 Km N of Aversa (53047 inhabitants)
75 Km N of Giugliano in Campania (122974 inhabitants)
77 Km NW of Acerra (59573 inhabitants)
78 Km N of Marano di Napoli (59874 inhabitants)
78 Km NW of Afragola (65057 inhabitants)
79 Km N of Casoria (77642 inhabitants)
82 Km NW of Benevento (60091 inhabitants)
83 Km N of Pozzuoli (81661 inhabitants)
86 Km N of Napoli (974074 inhabitants)
86 Km S of Chieti (51815 inhabitants)
90 Km NW of Portici (55274 inhabitants)
91 Km NW of Ercolano (53709 inhabitants)
93 Km E of Latina (125985 inhabitants)
94 Km NW of Torre del Greco (86275 inhabitants)
99 Km SE of L'Aquila (69753 inhabitants)
99 Km S of Pescara (121014 inhabitants)
100 Km NW of Avellino (54857 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 1.5 2021-06-16
20:27:00		 41.5883 14.011 9 2021-12-29
11:12:11		 Bollettino Sismico Italiano INGV 92748761
Reviewed
Rev100 		ML 1.5 2021-06-16
20:27:00		 41.5957 14.0108 8 2021-06-16
20:35:06		 Sala Sismica INGV-Roma 91416611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-16 20:27:00 ± 0.09
Latitude 41.5883 ± 0.0054
Longitude 14.0110 ± 0.0060
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 92748761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 535
Semi-minor axis of confidence ellipse (meter) 464
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 167
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) 101
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.01079
Epicentral distance of station farthest from the epicenter (degree) 0.66370
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 21
Type of magnitude ML
Reference to an origin 91416611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-16 20:35:06

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 92748761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-14 09:51:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.T0110.HHZ. 2021-06-16T20:27:23.30 0.6 undecidable manual S 345 73.6707 50 0.24 43
IV.INTR.HHZ. 2021-06-16T20:27:16.32 0.3 undecidable manual S 349 47.7189 50 0.19 69
IV.VVLD.HHZ. 2021-06-16T20:27:15.12 0.3 undecidable manual S 314 44.7219 50 -0.21 69
IV.T0110.HHZ. 2021-06-16T20:27:13.37 0.6 undecidable manual P 345 73.6707 50 -0.12 44
IV.LRP.EHN. 2021-06-16T20:27:12.94 0.6 undecidable manual S 281 35.8419 50 0 49
IV.POFI.HHZ. 2021-06-16T20:27:11.24 0.3 undecidable manual S 300 28.6491 107 0.44 68
IV.INTR.HHZ. 2021-06-16T20:27:09.49 0.3 undecidable manual P 349 47.7189 50 0 72
IT.OPI.HGZ. 2021-06-16T20:27:09.50 0.6 undecidable manual S 324 25.6521 109 -0.32 47
IV.VAGA.HHZ. 2021-06-16T20:27:09.87 0.6 undecidable manual S 136 26.6511 108 -0.3 47
IV.MIDA.HHZ. 2021-06-16T20:27:08.40 0.3 undecidable manual S 74 20.9679 113 0.08 74
IV.MCI.EHZ. 2021-06-16T20:27:08.26 0.6 undecidable manual S 237 19.6692 114 0.37 47
IV.VVLD.HHZ. 2021-06-16T20:27:08.55 0.1 undecidable manual P 314 44.7219 50 -0.48 87
IV.LRP.EHN. 2021-06-16T20:27:07.72 0.3 undecidable manual P 281 35.8419 50 0.08 72
IV.RNI2.HNZ. 2021-06-16T20:27:07.60 0.6 undecidable manual S 43 17.2716 117 0.45 46
IV.POFI.HHZ. 2021-06-16T20:27:06.20 0.1 undecidable manual P 300 28.6491 107 -0.21 95
IT.OPI.HGZ. 2021-06-16T20:27:05.53 0.3 undecidable manual P 324 25.6521 109 -0.32 70
IV.VAGA.HHZ. 2021-06-16T20:27:05.97 0.1 undecidable manual P 136 26.6511 108 -0.07 98
IV.MCI.EHZ. 2021-06-16T20:27:05.23 0.1 undecidable manual P 237 19.6692 114 0.5 91
IV.RNI2.HNZ. 2021-06-16T20:27:04.77 0.1 undecidable manual P 43 17.2716 117 0.47 91
IV.MIDA.HHZ. 2021-06-16T20:27:04.96 0.1 positive manual P 74 20.9679 113 -0.01 100
IV.CERA.HHZ. 2021-06-16T20:27:03.10 0.3 undecidable manual S 30 1.1988 172 -0.39 72
IV.CERA.HHZ. 2021-06-16T20:27:01.96 0.1 negative manual P 30 1.1988 172 -0.23 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MIDA.HHE. ML:1.4 0.00017268050000000001 0.2048 AML other m 2021-06-16T20:27:09.45
IV.MIDA.HHN. ML:1.4 0.00019989895 0.2048 AML other m 2021-06-16T20:27:09.80
IV.MIDA.HNE. ML:1.4 0.00019037157499999998 0.2176 AML other m 2021-06-16T20:27:09.81
IV.MCI.EHE. ML:1.9 0.00060150485 0.32 AML other m 2021-06-16T20:27:11.94
IV.MCI.EHN. ML:1.7 0.00042585850000000005 0.5248 AML other m 2021-06-16T20:27:12.20
IV.POFI.HHE. ML:1.0 0.00004985 0.3 AML other m 2021-06-16T20:27:12.78
IV.POFI.HHN. ML:0.9 0.00003912367 0.2304 AML other m 2021-06-16T20:27:12.76
IV.VAGA.HNE. ML:1.2 0.00009234997 1.6416 AML other m 2021-06-16T20:27:15.96
IV.VAGA.HNN. ML:1.6 0.00020669474999999998 0.256 AML other m 2021-06-16T20:27:15.59
IV.VVLD.HHE. ML:1.5 0.00010415051 1.6672 AML other m 2021-06-16T20:27:16.88
IV.VVLD.HHN. ML:1.5 0.00010655 0.38 AML other m 2021-06-16T20:27:17.40
IV.VVLD.HNE. ML:1.6 0.00012151575499999998 0.3584 AML other m 2021-06-16T20:27:17.11
IV.INTR.HNN. ML:1.7 0.00013076715 0.4608 AML other m 2021-06-16T20:27:19.46
IV.INTR.HHN. ML:1.6 0.000099369105 0.2432 AML other m 2021-06-16T20:27:18.43
IV.INTR.HHE. ML:1.5 0.0000818 0.24 AML other m 2021-06-16T20:27:19.48
IV.T0110.HHN. ML:1.6 0.000052629375 0.4352 AML other m 2021-06-16T20:27:25.00
IV.T0110.HHE. ML:1.6 0.000060426519999999996 1.5392 AML other m 2021-06-16T20:27:26.82
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