Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 26-08-2018 and time 23:55:47 (Italy) in region 2 km SW Caposele (AV)

A magnitude ML 2.1 earthquake occured in region: 2 km SW Caposele (AV), on

  • 26-08-2018 21:55:47 (UTC)
  • 26-08-2018 23:55:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.8050, 15.2050 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.

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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
Caposele AV 2 3483 3483
Calabritto AV 3 2391 5874
Teora AV 7 1537 7411
Senerchia AV 7 842 8253
Lioni AV 8 6201 14454
Laviano SA 9 1438 15892
Valva SA 9 1643 17535
Santomenna SA 10 443 17978
Castelnuovo di Conza SA 10 619 18597
Colliano SA 12 3638 22235
Bagnoli Irpino AV 12 3217 25452
Conza della Campania AV 13 1373 26825
Oliveto Citra SA 13 3802 30627
Morra De Sanctis AV 14 1297 31924
Nusco AV 14 4203 36127
Sant'Angelo dei Lombardi AV 14 4250 40377
Acerno SA 14 2783 43160
Sant'Andrea di Conza AV 15 1539 44699
Montella AV 16 7780 52479
Pescopagano PZ 17 1910 54389
Rocca San Felice AV 17 851 55240
Cassano Irpino AV 17 982 56222
Guardia Lombardi AV 17 1718 57940
Torella dei Lombardi AV 17 2144 60084
Andretta AV 17 1927 62011
Cairano AV 17 326 62337
Campagna SA 18 16703 79040
Contursi Terme SA 18 3394 82434
Palomonte SA 18 3985 86419
Castelgrande PZ 19 943 87362
Castelfranci AV 20 2041 89403

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NE of Battipaglia (50786 inhabitants)
37 Km E of Avellino (54857 inhabitants)
40 Km E of Salerno (135261 inhabitants)
44 Km E of Cava de' Tirreni (53659 inhabitants)
51 Km SE of Benevento (60091 inhabitants)
54 Km W of Potenza (67122 inhabitants)
57 Km E of Scafati (50787 inhabitants)
62 Km E of Castellammare di Stabia (66466 inhabitants)
71 Km E of Torre del Greco (86275 inhabitants)
72 Km E of Portici (55274 inhabitants)
72 Km E of Acerra (59573 inhabitants)
72 Km E of Ercolano (53709 inhabitants)
76 Km E of Afragola (65057 inhabitants)
78 Km E of Casoria (77642 inhabitants)
78 Km SW of Cerignola (58396 inhabitants)
79 Km SW of Foggia (151991 inhabitants)
79 Km E of Caserta (76326 inhabitants)
80 Km E of Napoli (974074 inhabitants)
86 Km E of Giugliano in Campania (122974 inhabitants)
86 Km E of Marano di Napoli (59874 inhabitants)
86 Km E of Aversa (53047 inhabitants)
94 Km E of Pozzuoli (81661 inhabitants)
99 Km S of San Severo (53905 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 2.1 2018-08-26
21:55:47		 40.8052 15.2052 15 2023-03-21
16:14:43		 Bollettino Sismico Italiano INGV 115594941
Bulletin
Rev1000 		ML 2.0 2018-08-26
21:55:47		 40.8115 15.2052 13 2019-04-24
14:50:54		 Bollettino Sismico Italiano INGV 60286831
Reviewed
Rev100 		ML 2.2 2018-08-26
21:55:47		 40.8122 15.2327 9 2018-08-26
22:06:10		 Sala Sismica INGV-Roma 60244801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-26 21:55:47 ± 0.1
Latitude 40.8052 ± 0.0045
Longitude 15.2052 ± 0.0059
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 115594941

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 485
Semi-minor axis of confidence ellipse (meter) 366
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 1.04951
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 60286831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-08-28 08:39:12

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 60244801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-26 22:06:10

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 115594941
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-03-21 16:13:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSAG.HHZ. 2018-08-26T21:56:07.00 0.3 undecidable manual P 30 116.4945 92 0.07 61
IV.ACER.HHZ. 2018-08-26T21:56:06.68 0.6 undecidable manual S 92 61.9935 94 0.09 45
IV.MELA.HHZ. 2018-08-26T21:56:04.30 0.6 undecidable manual P 356 100.122 92 -0.11 41
IX.SRN3.HNE.02 2018-08-26T21:56:02.10 0.6 undecidable manual S 149 41.3253 98 1.01 35
IV.BULG.HHZ. 2018-08-26T21:56:01.70 0.3 undecidable manual P 170 81.9513 93 0.09 65
IV.MGR.HHZ. 2018-08-26T21:56:00.88 0.3 undecidable manual P 158 79.6647 93 -0.38 60
IV.MOCO.HHZ. 2018-08-26T21:55:59.30 0.3 undecidable manual P 356 62.7927 94 0.63 58
IV.PALZ.HHZ. 2018-08-26T21:55:58.47 0.3 undecidable manual P 76 65.1903 94 -0.56 58
IV.ACER.HHZ. 2018-08-26T21:55:58.10 0.1 positive manual P 92 61.9935 94 -0.44 82
IV.SLCN.HHZ. 2018-08-26T21:55:58.48 0.3 undecidable manual P 142 58.497 95 0.48 63
IX.PST3.HNZ.02 2018-08-26T21:55:57.91 0.6 undecidable manual S 173 27.2505 104 0.49 44
IX.SCL3.HNE.02 2018-08-26T21:55:57.81 0.6 undecidable manual S 115 28.4493 103 0.09 48
IV.CMPR.HHZ. 2018-08-26T21:55:57.19 0.1 undecidable manual P 171 54.6009 95 -0.23 87
IV.CAFE.HHZ. 2018-08-26T21:55:57.38 0.6 undecidable manual S 6 24.8529 106 0.59 42
IV.MRLC.HHZ. 2018-08-26T21:55:56.47 0.6 undecidable manual S 103 24.4533 107 -0.22 46
IX.CSG3.HNE.01 2018-08-26T21:55:56.22 0.3 undecidable manual S 86 21.7671 110 0.22 70
IV.BIOG.HNE. 2018-08-26T21:55:56.70 0.6 undecidable manual P 352 44.2224 97 0.89 36
IV.MRB1.HHZ. 2018-08-26T21:55:55.30 0.3 undecidable manual P 331 40.4262 98 0.06 70
IX.VDP3.HNE.01 2018-08-26T21:55:55.51 0.3 undecidable manual P 126 38.0286 99 0.64 62
IV.MTMR.EHZ. 2018-08-26T21:55:55.49 0.6 undecidable manual S 307 21.1677 111 -0.36 46
IX.SRN3.HNE.02 2018-08-26T21:55:55.28 0.1 undecidable manual P 149 41.3253 98 -0.09 92
IX.AND3.HNN.02 2018-08-26T21:55:55.17 0.6 undecidable manual S 38 17.4714 118 0.2 47
IV.SGTA.HHZ. 2018-08-26T21:55:54.87 0.3 undecidable manual P 20 38.9277 98 -0.15 69
IX.LIO3.HHZ.02 2018-08-26T21:55:54.09 0.6 undecidable manual S 349 10.3785 137 0.65 41
IX.RSF3.HNE.02 2018-08-26T21:55:54.51 0.6 undecidable manual S 352 17.871 117 -0.53 44
IX.RDM3.HHN.02 2018-08-26T21:55:54.23 0.1 undecidable manual P 74 28.8489 103 0.75 80
IV.SNAL.HNZ. 2018-08-26T21:55:54.18 0.6 undecidable manual S 1 13.3755 128 0.15 47
IX.SCL3.HNE.02 2018-08-26T21:55:53.15 0.1 undecidable manual P 115 28.4493 103 -0.28 90
IX.SNR3.EHZ. 2018-08-26T21:55:53.42 0.6 undecidable manual S 188 7.7811 146 0.41 45
IX.PST3.HNZ.02 2018-08-26T21:55:53.12 0.6 undecidable manual P 173 27.2505 104 -0.13 47
IX.CSG3.HNE.01 2018-08-26T21:55:52.37 0.3 undecidable manual P 86 21.7671 110 -0.06 72
IV.MRLC.HHZ. 2018-08-26T21:55:52.44 0.1 positive manual P 103 24.4533 107 -0.38 89
IV.MCRV.HHZ. 2018-08-26T21:55:52.28 0.6 undecidable manual S 231 3.996 162 -0.28 48
IX.NSC3.EHZ. 2018-08-26T21:55:52.87 0.6 undecidable manual S 304 8.3805 144 -0.23 48
IV.MTMR.EHZ. 2018-08-26T21:55:52.34 0.1 undecidable manual P 307 21.1677 111 0 97
IV.CAFE.HHZ. 2018-08-26T21:55:52.87 0.1 positive manual P 6 24.8529 106 -0.02 96
IV.SNAL.HNZ. 2018-08-26T21:55:51.23 0.1 negative manual P 1 13.3755 128 -0.06 98
IX.VDS3.HNZ.01 2018-08-26T21:55:51.80 0.3 undecidable manual P 111 19.9689 113 -0.38 67
IX.RSF3.HNE.02 2018-08-26T21:55:51.56 0.1 undecidable manual P 352 17.871 117 -0.31 92
IX.AND3.HNN.02 2018-08-26T21:55:51.67 0.1 positive manual P 38 17.4714 118 -0.16 95
IX.NSC3.EHZ. 2018-08-26T21:55:50.70 0.1 undecidable manual P 304 8.3805 144 -0.05 99
IV.MCRV.HHZ. 2018-08-26T21:55:50.39 0.1 positive manual P 231 3.996 162 -0.05 100
IX.SNR3.EHZ. 2018-08-26T21:55:50.76 0.1 undecidable manual P 188 7.7811 146 0.06 98
IX.LIO3.HHZ.02 2018-08-26T21:55:50.73 0.1 undecidable manual P 349 10.3785 137 -0.23 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MCRV.HHE. ML:2.7 0.006407180500000001 0.128 AML other m 2018-08-26T21:55:52.81
IV.MCRV.HHN. ML:3.0 0.0123530725 0.1152 AML other m 2018-08-26T21:55:52.92
IV.SNAL.HNN. ML:2.5 0.0027250490000000002 0.1664 AML other m 2018-08-26T21:55:54.76
IV.SNAL.HHN. ML:2.5 0.0029840774999999996 0.1664 AML other m 2018-08-26T21:55:54.76
IV.MTMR.EHN. ML:2.3 0.0013466985 0.32 AML other m 2018-08-26T21:55:56.97
IV.MRLC.HHE. ML:2.1 0.00071446965 0.4352 AML other m 2018-08-26T21:55:58.75
IV.MRLC.HNE. ML:1.8 0.00037893825000000003 0.4096 AML other m 2018-08-26T21:55:58.75
IV.CAFE.HHE. ML:2.5 0.001613283 0.3456 AML other m 2018-08-26T21:55:59.06
IV.CAFE.HNE. ML:2.5 0.0015740004999999998 0.3456 AML other m 2018-08-26T21:55:59.07
IV.MRLC.HHN. ML:2.1 0.0007391966999999999 0.32 AML other m 2018-08-26T21:55:59.55
IV.MRLC.HNN. ML:1.8 0.00034901515 0.32 AML other m 2018-08-26T21:55:59.55
IV.CAFE.HHN. ML:2.6 0.0019474079999999999 0.4608 AML other m 2018-08-26T21:56:00.16
IV.CAFE.HNN. ML:2.5 0.001818944 0.4736 AML other m 2018-08-26T21:56:00.17
IV.SGTA.HHN. ML:1.6 0.0001442517 0.4736 AML other m 2018-08-26T21:56:03.99
IV.SGTA.HNE. ML:2.0 0.00029849625 0.64 AML other m 2018-08-26T21:56:04.49
IV.MRB1.HNN. ML:1.9 0.00023780214999999998 0.4608 AML other m 2018-08-26T21:56:07.49
IV.CMPR.HHE. ML:1.9 0.00018488355 0.2432 AML other m 2018-08-26T21:56:07.33
IV.ACER.HHN. ML:1.9 0.00015595645000000003 0.2816 AML other m 2018-08-26T21:56:07.49
IV.MRB1.HHN. ML:1.8 0.00021867325 0.4736 AML other m 2018-08-26T21:56:08.44
IV.MRB1.HHE. ML:1.8 0.00023168270000000003 0.32 AML other m 2018-08-26T21:56:08.63
IV.ACER.HNE. ML:2.0 0.00020046445000000001 0.2816 AML other m 2018-08-26T21:56:08.80
IV.ACER.HHE. ML:2.0 0.0001849638 0.256 AML other m 2018-08-26T21:56:08.79
IV.MGR.HHE. ML:1.9 0.00010249631000000001 0.384 AML other m 2018-08-26T21:56:19.90
IV.MGR.HHN. ML:2.0 0.00015612514999999998 0.3072 AML other m 2018-08-26T21:56:21.53
IV.MSAG.HHN. ML:2.0 0.000073866715 0.32 AML other m 2018-08-26T21:56:26.30
IV.MSAG.HNN. ML:2.3 0.000171933055 0.32 AML other m 2018-08-26T21:56:26.30
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