Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 04-10-2019 and time 23:21:04 (Italy) in region 1 km S San Biase (CB)

A magnitude ML 1.1 earthquake occured in region: 1 km S San Biase (CB), on

  • 04-10-2019 21:21:04 (UTC)
  • 04-10-2019 23:21:04 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.7070, 14.5900 at 20 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
San Biase CB 1 189 189
Sant'Angelo Limosano CB 2 352 541
Limosano CB 4 768 1309
Fossalto CB 5 1345 2654
Pietracupa CB 6 215 2869
Salcito CB 8 683 3552
Lucito CB 9 696 4248
Petrella Tifernina CB 9 1170 5418
Trivento CB 9 4730 10148
Torella del Sannio CB 9 795 10943
Montagano CB 10 1086 12029
Castropignano CB 10 947 12976
Bagnoli del Trigno IS 11 735 13711
Castelbottaccio CB 11 312 14023
Molise CB 12 167 14190
Castellino del Biferno CB 12 545 14735
Civitacampomarano CB 12 417 15152
Duronia CB 12 405 15557
Ripalimosani CB 12 3114 18671
Oratino CB 13 1641 20312
Lupara CB 14 505 20817
Castelguidone CH 14 382 21199
Roccavivara CB 14 815 22014
Matrice CB 15 1115 23129
Casalciprano CB 15 564 23693
Schiavi di Abruzzo CH 15 860 24553
San Giovanni Lipioni CH 15 185 24738
Morrone del Sannio CB 16 587 25325
Civitanova del Sannio IS 16 945 26270
Frosolone IS 16 3170 29440
Poggio Sannita IS 17 702 30142
Campolieto CB 17 839 30981
Busso CB 17 1273 32254
Castelmauro CB 17 1505 33759
Chiauci IS 17 233 33992
Castelverrino IS 17 115 34107
Sant'Elena Sannita IS 17 275 34382
Pietrabbondante IS 17 759 35141
Campobasso CB 18 49431 84572
Montefalcone nel Sannio CB 18 1556 86128
Ripabottoni CB 18 514 86642
Celenza sul Trigno CH 18 915 87557
Torrebruna CH 18 825 88382
San Giovanni in Galdo CB 19 580 88962
Belmonte del Sannio IS 19 768 89730
Provvidenti CB 19 119 89849
Spinete CB 20 1320 91169
Baranello CB 20 2673 93842

Municipalities with at least 50000 inhabitants

An earthquake occurred to
66 Km W of San Severo (53905 inhabitants)
66 Km N of Benevento (60091 inhabitants)
73 Km N of Caserta (76326 inhabitants)
80 Km SE of Chieti (51815 inhabitants)
84 Km W of Foggia (151991 inhabitants)
87 Km N of Acerra (59573 inhabitants)
88 Km NE of Aversa (53047 inhabitants)
90 Km N of Avellino (54857 inhabitants)
90 Km SE of Pescara (121014 inhabitants)
90 Km N of Afragola (65057 inhabitants)
92 Km NE of Giugliano in Campania (122974 inhabitants)
92 Km N of Casoria (77642 inhabitants)
96 Km NE of Marano di Napoli (59874 inhabitants)
97 Km SE of Montesilvano (53738 inhabitants)
100 Km N of Portici (55274 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 1.1 2019-10-04
21:21:04		 41.707 14.5897 20 2020-02-28
16:41:54		 Bollettino Sismico Italiano INGV 73109641
Reviewed
Rev100 		ML 1.1 2019-10-04
21:21:04		 41.6988 14.5912 21 2019-10-04
21:27:39		 Sala Sismica INGV-Roma 73046281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-04 21:21:04 ± 0.08
Latitude 41.7070 ± 0.0036
Longitude 14.5897 ± 0.0048
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73109641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 407
Semi-minor axis of confidence ellipse (meter) 95
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 135
Circular confidence region, given by single value of horizontal uncertainty (meter) 410.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 39
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 0.71316
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 73109641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-07 13:37:42

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 73046281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-04 21:27:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APRC.HHZ. 2019-10-04T21:21:27.73 0.3 undecidable manual S 86 79.1652 98 -0.4 63
IV.LPEL.HHZ. 2019-10-04T21:21:20.71 1.0 undecidable manual S 318 50.5161 103 0.11 24
IV.MELA.HHZ. 2019-10-04T21:21:19.36 0.3 undecidable manual S 90 44.5221 106 0.31 70
IV.APRC.HHZ. 2019-10-04T21:21:18.29 1.0 undecidable manual P 86 79.1652 98 0.2 22
IV.RNI2.HHZ. 2019-10-04T21:21:17.36 0.6 undecidable manual S 269 36.2415 110 0.41 45
IV.PTRJ.HNN. 2019-10-04T21:21:17.34 0.3 undecidable manual S 188 38.3283 109 -0.14 73
IT.GLNS.HNZ. 2019-10-04T21:21:16.71 0.6 undecidable manual S 50 35.4423 111 -0.04 49
IV.SACR.HNZ. 2019-10-04T21:21:16.95 0.3 undecidable manual S 164 35.6421 110 0.14 72
IV.INTR.HHE. 2019-10-04T21:21:15.80 0.6 undecidable manual P 301 65.8896 100 -0.28 45
IV.FRES.HHE. 2019-10-04T21:21:15.35 0.3 undecidable manual S 13 30.2475 115 -0.13 73
IV.MIDA.HHZ. 2019-10-04T21:21:14.70 0.3 undecidable manual S 256 28.749 116 -0.4 70
IV.CIGN.HHZ. 2019-10-04T21:21:14.77 0.6 undecidable manual S 103 26.751 118 0.13 50
IT.MCLF.HNE. 2019-10-04T21:21:14.94 1.0 undecidable manual S 43 29.748 115 -0.42 23
IT.PLTA.HNN. 2019-10-04T21:21:14.04 0.3 undecidable manual S 40 25.8519 120 -0.39 69
IV.LPEL.HHZ. 2019-10-04T21:21:14.01 0.3 undecidable manual P 318 50.5161 103 0.26 69
IV.CERA.HNN. 2019-10-04T21:21:13.52 0.6 undecidable manual P 256 48.9177 104 0.02 48
IV.VAGA.HHZ. 2019-10-04T21:21:12.49 0.1 undecidable manual P 222 43.8228 106 -0.25 94
IV.PTRJ.HNN. 2019-10-04T21:21:12.00 0.3 undecidable manual P 188 38.3283 109 0.05 73
IV.MELA.HHZ. 2019-10-04T21:21:12.71 0.1 negative manual P 90 44.5221 106 -0.14 95
IV.BSSO.HHZ. 2019-10-04T21:21:12.32 0.3 undecidable manual S 179 17.871 132 -0.37 71
IV.SACR.HNZ. 2019-10-04T21:21:11.46 0.3 undecidable manual P 164 35.6421 110 -0.1 74
IV.RNI2.HHZ. 2019-10-04T21:21:11.73 0.1 positive manual P 269 36.2415 110 0.09 97
IV.FRES.HHE. 2019-10-04T21:21:11.04 0.6 undecidable manual P 13 30.2475 115 0.25 48
IV.GATE.HNN. 2019-10-04T21:21:11.56 0.3 undecidable manual P 129 34.2435 112 0.22 72
IT.GLNS.HNZ. 2019-10-04T21:21:11.90 0.6 undecidable manual P 50 35.4423 111 0.38 46
IV.TRIV.HHZ. 2019-10-04T21:21:11.43 1.0 undecidable manual S 334 7.3815 157 0.4 24
IV.SGG.HHN. 2019-10-04T21:21:11.85 0.3 undecidable manual P 206 39.627 108 -0.28 71
IT.PLTA.HNN. 2019-10-04T21:21:10.41 0.1 undecidable manual P 40 25.8519 120 0.22 97
IV.MIDA.HHZ. 2019-10-04T21:21:10.47 0.1 positive manual P 256 28.749 116 -0.11 99
IV.CIGN.HHZ. 2019-10-04T21:21:10.57 0.1 undecidable manual P 103 26.751 118 0.26 96
IT.MCLF.HNE. 2019-10-04T21:21:10.43 0.3 undecidable manual P 43 29.748 115 -0.29 71
IV.BSSO.HHZ. 2019-10-04T21:21:09.47 0.1 undecidable manual P 179 17.871 132 0.29 97
IV.TRIV.HHZ. 2019-10-04T21:21:08.46 0.1 negative manual P 334 7.3815 157 0.24 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MIDA.HHE. ML:1.2 0.000060700000000000005 0.42 AML other m 2019-10-04T21:21:15.70
IV.MIDA.HHN. ML:1.1 0.0000533 0.8 AML other m 2019-10-04T21:21:15.88
IV.BSSO.HNE. ML:1.2 0.0001074 0.64 AML other m 2019-10-04T21:21:15.96
IV.BSSO.HHE. ML:0.8 0.000039149999999999996 0.66 AML other m 2019-10-04T21:21:15.64
IV.BSSO.HNN. ML:1.3 0.0001249 1.66 AML other m 2019-10-04T21:21:16.05
IV.BSSO.HHN. ML:0.9 0.00004965 1.64 AML other m 2019-10-04T21:21:16.06
IV.TRIV.HHN. ML:1.0 0.00008352294 0.2816 AML other m 2019-10-04T21:21:12.39
IV.TRIV.HNE. ML:1.3 0.000143673835 0.384 AML other m 2019-10-04T21:21:12.11
IV.TRIV.HNN. ML:1.0 0.000069606205 0.2816 AML other m 2019-10-04T21:21:12.53
IV.TRIV.HHE. ML:1.2 0.00013984162 0.2944 AML other m 2019-10-04T21:21:12.11
IV.MIDA.HNE. ML:0.8 0.00003218765150000001 0 AML other m 2019-10-04T21:21:15.48
IV.RNI2.HNN. ML:1.2 0.000047843015000000004 0 AML other m 2019-10-04T21:21:18.00
IV.RNI2.HNE. ML:1.1 0.0000471998845 0.1664 AML other m 2019-10-04T21:21:18.52
IV.RNI2.HHN. ML:1.2 0.00004954316 0 AML other m 2019-10-04T21:21:17.99
IV.RNI2.HHE. ML:1.0 0.000033118585 0.128 AML other m 2019-10-04T21:21:18.08
IV.MELA.HHE. ML:1.2 0.000041195540000000005 0.1408 AML other m 2019-10-04T21:21:20.52
IV.MELA.HHN. ML:1.3 0.00004981381 0.2176 AML other m 2019-10-04T21:21:19.60
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