Earthquake with magnitude of Md 1.5 on date 19-08-2021 and time 09:26:24 (Italy) in region 2 km S Sepino (CB)

A magnitude Md 1.5 earthquake occured in region: 2 km S Sepino (CB), on

  • 19-08-2021 07:26:24 (UTC)
  • 19-08-2021 09:26:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3890, 14.6170 at 15 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
Sepino CB 2 1964 1964
Sassinoro BN 4 618 2582
Morcone BN 7 4932 7514
Pietraroja BN 7 545 8059
San Giuliano del Sannio CB 8 1029 9088
Guardiaregia CB 8 801 9889
Cercepiccola CB 9 681 10570
Santa Croce del Sannio BN 10 927 11497
Cusano Mutri BN 11 4091 15588
Campochiaro CB 11 646 16234
Vinchiaturo CB 12 3324 19558
Cercemaggiore CB 12 3777 23335
Cerreto Sannita BN 13 3940 27275
Pontelandolfo BN 13 2167 29442
San Polo Matese CB 13 470 29912
San Lorenzello BN 14 2227 32139
San Lupo BN 14 801 32940
Guardia Sanframondi BN 15 5078 38018
Campolattaro BN 15 1072 39090
Mirabello Sannitico CB 15 2180 41270
San Lorenzo Maggiore BN 15 2154 43424
Casalduni BN 16 1378 44802
Colle d'Anchise CB 16 807 45609
Castelpagano BN 16 1483 47092
Bojano CB 16 8058 55150
Baranello CB 16 2673 57823
Circello BN 16 2388 60211
Ferrazzano CB 17 3344 63555
Faicchio BN 17 3634 67189
Gildone CB 17 809 67998
Gioia Sannitica CE 17 3638 71636
Castelvenere BN 18 2562 74198
Colle Sannita BN 18 2431 76629
Busso CB 19 1273 77902
Campobasso CB 19 49431 127333
San Potito Sannitico CE 19 1925 129258
San Salvatore Telesino BN 20 3999 133257
Telese Terme BN 20 7486 140743
Fragneto Monforte BN 20 1840 142583

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Benevento (60091 inhabitants)
42 Km NE of Caserta (76326 inhabitants)
53 Km NE of Acerra (59573 inhabitants)
55 Km N of Avellino (54857 inhabitants)
58 Km NE of Aversa (53047 inhabitants)
58 Km NE of Afragola (65057 inhabitants)
60 Km NE of Casoria (77642 inhabitants)
62 Km NE of Giugliano in Campania (122974 inhabitants)
65 Km NE of Marano di Napoli (59874 inhabitants)
66 Km NE of Portici (55274 inhabitants)
68 Km NE of Napoli (974074 inhabitants)
68 Km NE of Ercolano (53709 inhabitants)
70 Km NE of Torre del Greco (86275 inhabitants)
72 Km N of Scafati (50787 inhabitants)
72 Km W of San Severo (53905 inhabitants)
75 Km NE of Pozzuoli (81661 inhabitants)
77 Km N of Cava de' Tirreni (53659 inhabitants)
78 Km W of Foggia (151991 inhabitants)
78 Km N of Castellammare di Stabia (66466 inhabitants)
80 Km N of Salerno (135261 inhabitants)
92 Km NW of Battipaglia (50786 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
Md 1.5 2021-08-19
07:26:24
41.3887 14.6168 15 2021-12-29
11:12:21
Bollettino Sismico Italiano INGV 94418771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-19 07:26:24 ± 0.17
Latitude 41.3887 ± 0.0063
Longitude 14.6168 ± 0.0132
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 94418771

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 893
Semi-minor axis of confidence ellipse (meter) 711
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 114
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28778
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 5
Magnitude information

Md:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 5
Type of magnitude Md
Reference to an origin 94418771
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-08-20 13:15:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SOLUN.HHZ. 2021-08-19T07:27:28.16 3.0 undecidable manual Sn 1.61 0
IV.ZEN8.EHZ. 2021-08-19T07:27:15.68 3.0 undecidable manual Pg 19.27 0
IV.ROVR.HHZ. 2021-08-19T07:26:59.02 3.0 undecidable manual Pn 4.48 0
IV.PE3.EHZ. 2021-08-19T07:26:57.37 3.0 undecidable manual Sn 1.82 0
AC.VLO.HHZ. 2021-08-19T07:26:55.08 3.0 undecidable manual Pg 11.91 0
GU.MAIM.HHZ. 2021-08-19T07:26:54.38 3.0 positive manual Pg 12.44 0
IV.APEC.HHZ. 2021-08-19T07:26:49.61 3.0 undecidable manual Sn -4.37 0
IV.TOLF.HHZ. 2021-08-19T07:26:44.03 3.0 undecidable manual Sn 0.2 0
IV.SFI.EHZ. 2021-08-19T07:26:43.25 3.0 undecidable manual Pg 11.91 0
IV.VAGA.HHZ. 2021-08-19T07:26:35.70 0.6 undecidable manual S 275 31.9458 101 0.22 47
IV.VITU.HHZ. 2021-08-19T07:26:33.04 0.6 undecidable manual S 177 22.8549 109 -0.08 50
IV.BSSO.HNZ. 2021-08-19T07:26:32.21 0.6 undecidable manual S 354 17.5713 118 0.38 47
IV.VAGA.HHZ. 2021-08-19T07:26:30.72 0.3 undecidable manual P 275 31.9458 101 -0.07 73
IV.PTRJ.HNN. 2021-08-19T07:26:30.02 0.6 undecidable manual S 250 7.7811 146 0.15 50
IV.SACR.HNZ. 2021-08-19T07:26:30.09 0.6 undecidable manual S 83 7.4814 148 0.27 49
IV.VITU.HHZ. 2021-08-19T07:26:29.75 0.3 undecidable manual P 177 22.8549 109 0.32 70
IV.BSSO.HNZ. 2021-08-19T07:26:28.49 0.1 undecidable manual P 354 17.5713 118 -0.2 97
IV.SACR.HNZ. 2021-08-19T07:26:27.38 0.1 undecidable manual P 83 7.4814 148 -0.14 100
IV.PTRJ.HNN. 2021-08-19T07:26:27.27 0.3 undecidable manual P 250 7.7811 146 -0.28 97
IV.CELI.HHZ. 2021-08-19T07:26:26.50 3.0 positive manual Pn -1.4 0
IV.FAGN.HHZ. 2021-08-19T07:26:16.43 3.0 undecidable manual Sn -1.27 0
IV.RMP.HHZ. 2021-08-19T07:26:11.83 3.0 positive manual Pg 1.04 0
OT.OT05.EHZ. 2021-08-19T07:26:10.15 3.0 undecidable manual S -0.13 0
IV.VCEL.EHZ. 2021-08-19T07:26:02.72 3.0 undecidable manual P 0.18 0
IV.VVLD.HHZ. 2021-08-19T07:26:00.34 3.0 positive manual P -1.09 0
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