Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 28-08-2020 and time 04:32:10 (Italy) in region 5 km E San Biagio Saracinisco (FR)

A magnitude ML 0.7 earthquake occured in region: 5 km E San Biagio Saracinisco (FR), on

  • 28-08-2020 02:32:10 (UTC)
  • 28-08-2020 04:32:10 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.6160, 13.9850 at 4 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Biagio Saracinisco FR 5 349 349
Scapoli IS 6 680 1029
Pizzone IS 7 329 1358
Castel San Vincenzo IS 8 516 1874
Acquafondata FR 8 263 2137
Rocchetta a Volturno IS 9 1113 3250
Vallerotonda FR 9 1581 4831
Filignano IS 10 648 5479
Colli a Volturno IS 10 1349 6828
Viticuso FR 10 353 7181
Picinisco FR 10 1218 8399
Cerro al Volturno IS 11 1281 9680
Villa Latina FR 12 1241 10921
Montaquila IS 12 2456 13377
Settefrati FR 13 728 14105
Montenero Val Cocchiara IS 13 538 14643
Sant'Elia Fiumerapido FR 13 6166 20809
Fornelli IS 13 1909 22718
Pozzilli IS 13 2380 25098
Conca Casale IS 14 200 25298
Alfedena AQ 14 864 26162
Belmonte Castello FR 15 739 26901
Venafro IS 15 11280 38181
Acquaviva d'Isernia IS 15 425 38606
Atina FR 15 4316 42922
Scontrone AQ 15 574 43496
Barrea AQ 16 726 44222
Gallinaro FR 16 1269 45491
Macchia d'Isernia IS 16 1035 46526
Cervaro FR 16 8109 54635
Rionero Sannitico IS 17 1118 55753
Civitella Alfedena AQ 17 296 56049
San Vittore del Lazio FR 17 2636 58685
San Donato Val di Comino FR 18 2107 60792
Terelle FR 18 422 61214
Villetta Barrea AQ 19 653 61867
Cassino FR 19 36142 98009
Forlì del Sannio IS 19 675 98684
Monteroduni IS 19 2264 100948
San Pietro Infine CE 19 944 101892

Municipalities with at least 50000 inhabitants

An earthquake occurred to
67 Km NW of Caserta (76326 inhabitants)
74 Km N of Aversa (53047 inhabitants)
79 Km N of Giugliano in Campania (122974 inhabitants)
81 Km NW of Acerra (59573 inhabitants)
82 Km N of Marano di Napoli (59874 inhabitants)
82 Km NW of Afragola (65057 inhabitants)
83 Km NW of Casoria (77642 inhabitants)
83 Km S of Chieti (51815 inhabitants)
86 Km NW of Benevento (60091 inhabitants)
86 Km N of Pozzuoli (81661 inhabitants)
89 Km N of Napoli (974074 inhabitants)
91 Km E of Latina (125985 inhabitants)
93 Km NW of Portici (55274 inhabitants)
95 Km NW of Ercolano (53709 inhabitants)
95 Km SE of L'Aquila (69753 inhabitants)
96 Km S of Pescara (121014 inhabitants)
98 Km NW of Torre del Greco (86275 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 0.7 2020-08-28
02:32:10		 41.6162 13.9848 4 2020-11-19
12:37:07		 Bollettino Sismico Italiano INGV 84784971
Reviewed
Rev100 		ML 0.7 2020-08-28
02:32:09		 41.596 13.9895 7 2020-08-28
02:38:15		 Sala Sismica INGV-Roma 82396571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-28 02:32:10 ± 0.23
Latitude 41.6162 ± 0.0117
Longitude 13.9848 ± 0.0072
Depth (km) 4 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84784971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 981
Semi-minor axis of confidence ellipse (meter) 855
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 166
Circular confidence region, given by single value of horizontal uncertainty (meter) 980.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.03058
Epicentral distance of station farthest from the epicenter (degree) 0.39930
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 84784971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-17 01:14:52

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 82396571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-28 02:38:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2020-08-28T02:32:18.52 0.3 undecidable manual P 351 44.3223 95 -0.41 64
IV.POFI.HNE. 2020-08-28T02:32:18.64 0.6 undecidable manual S 297 25.2525 98 -0.22 46
IV.MIDA.HHZ. 2020-08-28T02:32:17.49 0.3 undecidable manual S 83 22.4553 99 -0.42 67
IV.RNI2.HHZ. 2020-08-28T02:32:16.59 0.3 undecidable manual S 55 16.872 102 0.58 64
IV.POFI.HNE. 2020-08-28T02:32:15.15 0.1 undecidable manual P 297 25.2525 98 0.03 96
IV.MIDA.HHZ. 2020-08-28T02:32:14.25 0.3 undecidable manual P 83 22.4553 99 -0.32 68
IT.OPI.HGN. 2020-08-28T02:32:14.45 0.3 undecidable manual P 324 21.867 99 0 73
IV.MCI.EHZ. 2020-08-28T02:32:14.40 0.3 undecidable manual P 226 19.869 100 0.34 68
IV.RNI2.HHZ. 2020-08-28T02:32:13.79 0.1 undecidable manual P 55 16.872 102 0.32 92
IV.CERA.HHZ. 2020-08-28T02:32:11.64 0.3 undecidable manual S 126 3.3966 136 -0.09 74
IV.CERA.HHZ. 2020-08-28T02:32:11.01 0.1 undecidable manual P 126 3.3966 136 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RNI2.HHE. ML:0.6 0.000045927099999999996 0.28 AML other m 2020-08-28T02:32:18.76
IV.MCI.EHN. ML:1.0 0.00007312727 0.2208 AML other m 2020-08-28T02:32:19.47
IV.MIDA.HHE. ML:0.5 0.000027486540000000005 0.4608 AML other m 2020-08-28T02:32:19.75
IV.MIDA.HNE. ML:0.8 0.000044555890000000004 0.32 AML other m 2020-08-28T02:32:20.24
IV.MIDA.HHN. ML:0.8 0.000042910075000000006 0.3808 AML other m 2020-08-28T02:32:20.40
IV.RNI2.HNE. ML:0.7 0.0000475969115 1.68 AML other m 2020-08-28T02:32:20.05
IV.MCI.EHE. ML:1.2 0.00013735149999999997 0.32 AML other m 2020-08-28T02:32:21.30
IV.RNI2.HNN. ML:0.5 0.000036117499999999994 0.2 AML other m 2020-08-28T02:32:21.61
IV.RNI2.HHN. ML:0.5 0.00003584141 0.1808 AML other m 2020-08-28T02:32:21.51
IV.INTR.HHE. ML:0.5 0.000012457925 0.32 AML other m 2020-08-28T02:32:26.56
IV.INTR.HHN. ML:0.7 0.000017065114999999998 1.36 AML other m 2020-08-28T02:32:30.02
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