Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 12-09-2017 and time 09:22:13 (Italy) in region 2 km W San Massimo (CB)

A magnitude ML 2.3 earthquake occured in region: 2 km W San Massimo (CB), on

  • 12-09-2017 07:22:13 (UTC)
  • 12-09-2017 09:22:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4970, 14.3920 at 7 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 Massimo CB 2 855 855
Cantalupo nel Sannio IS 3 739 1594
Roccamandolfi IS 4 938 2532
Santa Maria del Molise IS 7 665 3197
Bojano CB 7 8058 11255
Macchiagodena IS 7 1854 13109
Castelpetroso IS 8 1680 14789
Castelpizzuto IS 9 155 14944
San Polo Matese CB 9 470 15414
Spinete CB 10 1320 16734
Colle d'Anchise CB 11 807 17541
Campochiaro CB 11 646 18187
Sant'Elena Sannita IS 11 275 18462
Carpinone IS 12 1157 19619
San Gregorio Matese CE 12 988 20607
Longano IS 13 690 21297
Frosolone IS 13 3170 24467
Letino CE 13 712 25179
Pettoranello del Molise IS 13 460 25639
Valle Agricola CE 14 890 26529
Guardiaregia CB 14 801 27330
Gallo Matese CE 14 579 27909
Castello del Matese CE 14 1494 29403
Baranello CB 15 2673 32076
Casalciprano CB 15 564 32640
Sant'Agapito IS 15 1496 34136
Piedimonte Matese CE 16 11297 45433
Busso CB 16 1273 46706
Pesche IS 16 1661 48367
Vinchiaturo CB 16 3324 51691
Sessano del Molise IS 17 727 52418
Prata Sannita CE 17 1502 53920
Isernia IS 17 21842 75762
Molise CB 17 167 75929
San Potito Sannitico CE 18 1925 77854
Fontegreca CE 18 811 78665
Monteroduni IS 18 2264 80929
Sant'Angelo d'Alife CE 18 2270 83199
Raviscanina CE 19 1319 84518
Duronia CB 19 405 84923
Oratino CB 19 1641 86564
Civitanova del Sannio IS 19 945 87509
Alife CE 19 7616 95125
Torella del Sannio CB 19 795 95920
Ailano CE 20 1369 97289
Castropignano CB 20 947 98236

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km N of Caserta (76326 inhabitants)
52 Km NW of Benevento (60091 inhabitants)
60 Km N of Aversa (53047 inhabitants)
61 Km N of Acerra (59573 inhabitants)
64 Km N of Afragola (65057 inhabitants)
65 Km N of Giugliano in Campania (122974 inhabitants)
66 Km N of Casoria (77642 inhabitants)
69 Km N of Marano di Napoli (59874 inhabitants)
73 Km NW of Avellino (54857 inhabitants)
74 Km N of Napoli (974074 inhabitants)
75 Km N of Portici (55274 inhabitants)
76 Km N of Ercolano (53709 inhabitants)
76 Km NE of Pozzuoli (81661 inhabitants)
79 Km N of Torre del Greco (86275 inhabitants)
84 Km N of Scafati (50787 inhabitants)
85 Km W of San Severo (53905 inhabitants)
89 Km N of Castellammare di Stabia (66466 inhabitants)
92 Km N of Cava de' Tirreni (53659 inhabitants)
96 Km NW of Salerno (135261 inhabitants)
96 Km W of Foggia (151991 inhabitants)
97 Km S of Chieti (51815 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 2.3 2017-09-12
07:22:13		 41.4967 14.3922 7 2018-09-04
09:05:55		 Bollettino Sismico Italiano INGV 50103041
Reviewed
Rev100 		ML 2.2 2017-09-12
07:22:14		 41.5033 14.3962 2 2017-09-12
07:44:50		 Sala Sismica INGV-Roma 50012471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-09-12 07:22:13 ± 0.04
Latitude 41.4967 ± 0.0027
Longitude 14.3922 ± 0.0024
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 50103041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 252
Semi-minor axis of confidence ellipse (meter) 207
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 202
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 84
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.68438
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 9
Type of magnitude ML
Reference to an origin 50103041
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-09-15 06:51:59

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 26
Type of magnitude ML
Reference to an origin 50012471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-09-12 07:44:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RIBO.EHZ.01 2017-09-12T07:23:38.81 3.0 undecidable manual Sn 3.44 0
IV.GMB.BHZ. 2017-09-12T07:23:18.86 3.0 undecidable manual Pg 10.71 0
IV.EL6.EHZ. 2017-09-12T07:23:18.19 3.0 undecidable manual Sg 2.65 0
IV.MMO1.EHZ. 2017-09-12T07:23:04.99 3.0 undecidable manual S 0.59 0
IV.CAMP.HHZ. 2017-09-12T07:22:55.49 3.0 undecidable manual S -0.63 0
IV.VVLD.HHZ. 2017-09-12T07:22:37.50 1.0 undecidable manual S 303 75.9684 50 0.18 22
IV.LRP.EHN. 2017-09-12T07:22:35.79 0.6 undecidable manual S 284 68.8755 50 0.35 42
IV.LPEL.HHE. 2017-09-12T07:22:34.02 0.6 undecidable manual S 344 63.3921 50 0.05 45
IV.MELA.HNN. 2017-09-12T07:22:34.68 0.3 undecidable manual S 69 65.1903 50 0.22 65
IV.PAOL.HHZ. 2017-09-12T07:22:31.74 0.6 undecidable manual S 164 53.7018 50 0.37 43
IV.MCI.EHE. 2017-09-12T07:22:29.91 1.0 undecidable manual S 269 48.1185 50 0.02 23
IV.GATE.HHE. 2017-09-12T07:22:28.89 1.0 undecidable manual S 87 43.0236 50 0.35 22
IV.VITU.HHZ. 2017-09-12T07:22:27.69 1.0 undecidable manual S 150 40.0266 99 0.02 24
IV.LRP.EHN. 2017-09-12T07:22:26.03 0.3 undecidable manual P 284 68.8755 50 -0.17 65
IV.PIGN.HHZ. 2017-09-12T07:22:26.75 0.3 undecidable manual S 208 37.3293 100 0 72
IV.VVLD.HHZ. 2017-09-12T07:22:26.52 0.6 undecidable manual P 303 75.9684 50 -0.77 36
IV.MELA.HNN. 2017-09-12T07:22:25.18 1.0 undecidable manual P 69 65.1903 50 -0.46 21
IV.MOCO.HNE. 2017-09-12T07:22:25.21 1.0 undecidable manual P 102 65.1903 50 -0.43 21
IV.CERA.HHZ. 2017-09-12T07:22:25.10 0.3 undecidable manual S 290 33.0447 101 -0.17 70
IV.MRB1.HHZ. 2017-09-12T07:22:25.01 0.1 undecidable manual P 131 63.492 50 -0.35 85
IV.LPEL.HHE. 2017-09-12T07:22:25.14 0.3 undecidable manual P 344 63.3921 50 -0.22 66
IV.MODR.HHE. 2017-09-12T07:22:24.79 1.0 undecidable manual P 228 57.8976 50 0.28 22
IV.RNI2.HHZ. 2017-09-12T07:22:24.27 0.6 undecidable manual S 319 30.3474 102 -0.09 48
IV.SACR.HHZ. 2017-09-12T07:22:23.56 0.3 undecidable manual S 113 28.3494 103 -0.11 71
IV.PAOL.HHZ. 2017-09-12T07:22:23.82 0.6 undecidable manual P 164 53.7018 50 -0.04 46
IV.GATE.HHE. 2017-09-12T07:22:22.50 0.1 undecidable manual P 87 43.0236 50 0.28 90
IV.CIGN.HHZ. 2017-09-12T07:22:22.65 0.1 undecidable manual P 68 46.0206 50 -0.03 94
IV.MCI.EHE. 2017-09-12T07:22:22.92 0.3 undecidable manual P 269 48.1185 50 -0.08 69
IV.PIGN.HHZ. 2017-09-12T07:22:21.16 0.1 undecidable manual P 208 37.3293 100 -0.03 95
IV.VITU.HHZ. 2017-09-12T07:22:21.33 0.1 negative manual P 150 40.0266 99 -0.39 88
IV.CERA.HHZ. 2017-09-12T07:22:20.41 0.1 undecidable manual P 290 33.0447 101 0.08 95
IV.PTRJ.HHE. 2017-09-12T07:22:20.48 0.3 undecidable manual S 142 18.5703 109 0.05 74
IV.VAGA.HHZ. 2017-09-12T07:22:19.89 0.3 undecidable manual S 236 15.9729 112 0.32 70
IV.SACR.HHZ. 2017-09-12T07:22:19.43 0.1 undecidable manual P 113 28.3494 103 0.02 97
IV.RNI2.HHZ. 2017-09-12T07:22:19.90 0.1 positive manual P 319 30.3474 102 0.09 95
IV.SGG.HHZ. 2017-09-12T07:22:18.27 0.3 undecidable manual S 185 12.2766 118 -0.15 73
IV.PTRJ.HHE. 2017-09-12T07:22:17.72 0.6 undecidable manual P 142 18.5703 109 0.18 48
IV.VAGA.HHZ. 2017-09-12T07:22:17.21 0.1 positive manual P 236 15.9729 112 0.17 96
IV.BSSO.HHZ. 2017-09-12T07:22:17.60 0.1 positive manual P 72 17.5713 110 0.24 94
IV.SGG.HHZ. 2017-09-12T07:22:16.38 0.1 positive manual P 185 12.2766 118 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HNE. ML:2.0 0.00042595435000000005 0.46 AML other m 2017-09-12T07:22:25.83
IV.CERA.HHN. ML:2.0 0.00039500420000000003 0.74 AML other m 2017-09-12T07:22:26.44
IV.CERA.HNN. ML:2.6 0.0018663470000000002 0.46 AML other m 2017-09-12T07:22:33.69
IV.CERA.HHE. ML:2.5 0.001562739 1.38 AML other m 2017-09-12T07:22:34.08
IV.INTR.HHN. ML:2.4 0.00048522105 1.3 AML other m 2017-09-12T07:22:48.75
IV.INTR.HHE. ML:2.1 0.00021745515 1.08 AML other m 2017-09-12T07:22:55.63
IV.PAOL.HNE. ML:2.3 0.0005092385499999999 0.43 AML other m 2017-09-12T07:22:49.34
IV.PAOL.HNN. ML:2.1 0.0003026762 1.4 AML other m 2017-09-12T07:22:33.91
IV.PAOL.HHE. ML:2.1 0.00030378530000000004 1.1 AML other m 2017-09-12T07:22:33.89
IV.PAOL.HHN. ML:2.1 0.0003228057 1.4 AML other m 2017-09-12T07:22:33.90
IV.PIGN.HNE. ML:2.2 0.0005788912500000001 0.47 AML other m 2017-09-12T07:22:29.06
IV.PIGN.HHE. ML:2.2 0.00057082755 0.56 AML other m 2017-09-12T07:22:35.72
IV.PIGN.HNN. ML:2.2 0.00063317875 1.45 AML other m 2017-09-12T07:22:39.04
IV.PIGN.HHN. ML:2.2 0.0006127181500000001 0.44 AML other m 2017-09-12T07:22:30.33
IV.RNI2.HHE. ML:2.4 0.001383309 1.64 AML other m 2017-09-12T07:22:31.01
IV.RNI2.HHN. ML:2.5 0.0016524445 0.64 AML other m 2017-09-12T07:22:36.93
IV.RNI2.HNE. ML:2.3 0.0009298387999999999 1 AML other m 2017-09-12T07:22:26.12
IV.RNI2.HNN. ML:2.2 0.00082168085 1.14 AML other m 2017-09-12T07:22:26.23
IV.SACR.HNN. ML:2.4 0.0014338655 0.38 AML other m 2017-09-12T07:22:31.36
IV.SACR.HNE. ML:2.5 0.0017869490000000001 0.7 AML other m 2017-09-12T07:22:31.74
IV.SACR.HHE. ML:2.4 0.0014898875 0.64 AML other m 2017-09-12T07:22:28.10
IV.SACR.HHN. ML:2.4 0.0014030635 0.38 AML other m 2017-09-12T07:22:31.35
IV.SGG.HHN. ML:2.7 0.006432857 0.3 AML other m 2017-09-12T07:22:18.58
IV.SGG.HHE. ML:3.0 0.01204063 1.32 AML other m 2017-09-12T07:22:21.31
IV.SGG.HNN. ML:0.0 0.00000001953776 0.31 AML other m 2017-09-12T07:22:18.58
IV.SGTA.HHE. ML:2.1 0.00015327387 1.06 AML other m 2017-09-12T07:22:44.86
IV.VAGA.HNE. ML:2.2 0.0016239325 0.64 AML other m 2017-09-12T07:22:20.75
IV.VAGA.HHE. ML:2.3 0.0019291795 0.88 AML other m 2017-09-12T07:22:20.87
IV.VAGA.HHN. ML:2.6 0.003765585 0.26 AML other m 2017-09-12T07:22:20.20
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
Waveforms Seismic signals in miniseed + resp format Download