Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 26-04-2023 and time 08:50:31 (UTC) in region 2 km N Benevento (BN)

A magnitude ML 1.8 earthquake occured in region: 2 km N Benevento (BN), on

  • 26-04-2023 08:50:31 (UTC)
  • 26-04-2023 10:50:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.1510, 14.7900 at 10 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
Benevento BN 2 60091 60091
Pietrelcina BN 7 3114 63205
Castelpoto BN 8 1254 64459
Paduli BN 9 3978 68437
San Leucio del Sannio BN 9 3106 71543
San Nicola Manfredi BN 9 3722 75265
Sant'Angelo a Cupolo BN 9 4325 79590
Apollosa BN 10 2658 82248
Pesco Sannita BN 10 1972 84220
Torrecuso BN 10 3407 87627
Foglianise BN 10 3385 91012
San Martino Sannita BN 10 1230 92242
Calvi BN 11 2682 94924
Ponte BN 11 2580 97504
Fragneto Monforte BN 11 1840 99344
San Giorgio del Sannio BN 11 10022 109366
Paupisi BN 12 1633 110999
Fragneto l'Abate BN 12 1049 112048
Ceppaloni BN 12 3415 115463
Chianche AV 12 475 115938
Vitulano BN 12 2944 118882
Campoli del Monte Taburno BN 12 1546 120428
Apice BN 12 5686 126114
San Nazzaro BN 13 884 126998
Cautano BN 13 2044 129042
Sant'Arcangelo Trimonte BN 13 573 129615
Pago Veiano BN 13 2406 132021
Torrioni AV 13 549 132570
Petruro Irpino AV 13 349 132919
Tocco Caudio BN 13 1508 134427
Montefusco AV 14 1338 135765
Arpaise BN 14 761 136526
Casalduni BN 15 1378 137904
Santa Paolina AV 15 1256 139160
Pietradefusi AV 15 2348 141508
Montesarchio BN 16 13500 155008
Tufo AV 16 889 155897
Venticano AV 16 2537 158434
Roccabascerana AV 16 2354 160788
Campolattaro BN 16 1072 161860
Altavilla Irpina AV 16 4196 166056
Reino BN 16 1210 167266
Bonea BN 17 1448 168714
Pannarano BN 17 2130 170844
San Giorgio La Molara BN 17 2994 173838
San Martino Valle Caudina AV 17 4884 178722
Pontelandolfo BN 18 2167 180889
Buonalbergo BN 18 1730 182619
Torre Le Nocelle AV 18 1324 183943
San Lorenzo Maggiore BN 18 2154 186097
San Lupo BN 18 801 186898
Pietrastornina AV 18 1553 188451
Montemiletto AV 18 5313 193764
Bonito AV 19 2448 196212
Prata di Principato Ultra AV 19 2944 199156
Molinara BN 19 1618 200774
San Marco dei Cavoti BN 19 3371 204145
Pratola Serra AV 19 3764 207909
Grottolella AV 20 1869 209778
Sant'Angelo a Scala AV 20 730 210508
Guardia Sanframondi BN 20 5078 215586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
2 Km N of Benevento (60091 inhabitants)
26 Km N of Avellino (54857 inhabitants)
39 Km E of Caserta (76326 inhabitants)
42 Km NE of Acerra (59573 inhabitants)
48 Km NE of Afragola (65057 inhabitants)
50 Km NE of Scafati (50787 inhabitants)
50 Km NE of Casoria (77642 inhabitants)
50 Km N of Cava de' Tirreni (53659 inhabitants)
52 Km NE of Portici (55274 inhabitants)
53 Km N of Salerno (135261 inhabitants)
53 Km E of Aversa (53047 inhabitants)
53 Km NE of Ercolano (53709 inhabitants)
54 Km NE of Torre del Greco (86275 inhabitants)
55 Km E of Giugliano in Campania (122974 inhabitants)
57 Km NE of Castellammare di Stabia (66466 inhabitants)
57 Km NE of Napoli (974074 inhabitants)
58 Km NE of Marano di Napoli (59874 inhabitants)
63 Km N of Battipaglia (50786 inhabitants)
68 Km NE of Pozzuoli (81661 inhabitants)
72 Km SW of Foggia (151991 inhabitants)
77 Km SW of San Severo (53905 inhabitants)
94 Km W of Cerignola (58396 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 1.8 2023-04-26
08:50:31		 41.1508 14.7902 10 2024-03-01
17:18:07		 Bollettino Sismico Italiano INGV 117208921
Reviewed
Rev100 		ML 1.8 2023-04-26
08:50:32		 41.171 14.7917 9 2023-04-26
09:15:33		 Sala Sismica INGV-Roma 116764921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-26 08:50:31 ± 0.07
Latitude 41.1508 ± 0.0054
Longitude 14.7902 ± 0.0072
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117208921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 719
Semi-minor axis of confidence ellipse (meter) 308
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 42
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) 0.02518
Epicentral distance of station farthest from the epicenter (degree) 0.76712
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 117208921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-02 16:18:17

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 116764921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-26 09:15:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BSSO.HHZ. 2023-04-26T08:50:47.60 0.6 undecidable manual S 340 46.8198 50 0.75 39
IX.NSC3.EHE.02 2023-04-26T08:50:46.20 0.6 undecidable manual S 140 43.7229 50 0.17 47
IV.CDRU.HHZ. 2023-04-26T08:50:46.66 0.6 undecidable manual P 149 85.1481 50 0.32 42
IV.CERA.HNN. 2023-04-26T08:50:46.88 0.6 undecidable manual P 308 81.1521 50 1.16 30
IV.SNAL.HHZ. 2023-04-26T08:50:45.90 0.6 undecidable manual S 125 43.0236 50 0.05 48
IX.SALI.HNE.01 2023-04-26T08:50:45.60 0.6 undecidable manual S 127 40.8258 50 0.35 45
IV.CAFE.HHZ. 2023-04-26T08:50:45.40 0.6 undecidable manual S 110 39.7269 50 0.43 44
IV.MOCO.HHZ. 2023-04-26T08:50:45.00 0.6 undecidable manual S 51 39.1275 50 0.19 47
IX.RSF3.HNE.02 2023-04-26T08:50:44.18 0.6 undecidable manual S 123 38.3283 50 -0.42 45
IV.PTRJ.HHZ. 2023-04-26T08:50:43.20 0.6 undecidable manual S 317 32.1456 50 0.26 47
5H.FR02.EHZ. 2023-04-26T08:50:43.30 0.6 undecidable manual S 135 32.4453 50 0.29 46
IV.MELA.HHZ. 2023-04-26T08:50:43.02 0.3 undecidable manual P 24 67.6767 50 -0.62 59
IV.VAGA.HHZ. 2023-04-26T08:50:42.17 0.3 undecidable manual P 303 54.8007 50 0.5 64
IV.CIGN.HHN. 2023-04-26T08:50:42.05 0.3 undecidable manual P 10 56.5989 50 0.1 69
IV.SACR.HHZ. 2023-04-26T08:50:41.73 0.6 undecidable manual S 346 28.2495 50 -0.17 48
IV.PIGN.HHZ. 2023-04-26T08:50:41.69 0.3 undecidable manual P 276 51.2154 50 0.57 62
IV.MCRV.HHN. 2023-04-26T08:50:40.65 0.3 undecidable manual P 142 51.7038 50 -0.54 63
IV.SGTA.HHZ. 2023-04-26T08:50:40.90 0.3 undecidable manual P 92 48.0186 50 0.28 68
5H.FR05.EHN. 2023-04-26T08:50:40.16 0.3 undecidable manual P 115 43.2234 50 0.29 68
IV.BSSO.HHZ. 2023-04-26T08:50:40.34 0.3 undecidable manual P 340 46.8198 50 -0.09 71
IV.GATE.HHZ. 2023-04-26T08:50:39.94 0.3 undecidable manual P 14 41.4252 50 0.34 68
IV.CAFE.HHZ. 2023-04-26T08:50:39.33 0.1 positive manual P 110 39.7269 50 -0.01 97
IX.LIO3.HHZ.02 2023-04-26T08:50:39.43 0.3 undecidable manual P 131 43.1235 50 -0.44 66
IV.MOCO.HHZ. 2023-04-26T08:50:39.58 0.3 undecidable manual P 51 39.1275 50 0.33 68
IX.MNT3.EHN.02 2023-04-26T08:50:39.17 0.6 undecidable manual P 152 39.2274 50 -0.1 48
IX.SALI.HNE.01 2023-04-26T08:50:39.23 0.3 undecidable manual P 127 40.8258 50 -0.27 69
IV.SGG.HHZ. 2023-04-26T08:50:39.33 1.0 undecidable manual P 307 43.1235 50 -0.53 21
IV.SNAL.HHZ. 2023-04-26T08:50:39.44 0.1 undecidable manual P 125 43.0236 50 -0.41 89
IX.NSC3.EHE.02 2023-04-26T08:50:39.67 0.3 undecidable manual P 140 43.7229 50 -0.28 68
IX.RSF3.HNE.02 2023-04-26T08:50:38.53 0.3 undecidable manual P 123 38.3283 50 -0.6 63
IV.MRB1.HHZ. 2023-04-26T08:50:38.80 0.3 undecidable manual S 102 15.1737 123 0.84 60
5H.FR02.EHZ. 2023-04-26T08:50:38.02 0.1 undecidable manual P 135 32.4453 50 -0.19 95
IV.PTRJ.HHZ. 2023-04-26T08:50:37.83 0.3 undecidable manual P 317 32.1456 50 -0.34 69
IV.VITU.HHZ. 2023-04-26T08:50:37.50 0.6 undecidable manual S 285 13.875 126 -0.07 50
IV.PAOL.HHN. 2023-04-26T08:50:36.74 0.3 undecidable manual P 235 22.8549 114 0.09 74
IV.SACR.HHZ. 2023-04-26T08:50:36.97 0.1 positive manual P 346 28.2495 50 -0.6 86
IV.MRB1.HHZ. 2023-04-26T08:50:35.70 0.1 undecidable manual P 102 15.1737 123 0.41 93
IX.BENI.HNZ.01 2023-04-26T08:50:35.30 0.6 undecidable manual S 213 2.7972 164 0.06 51
IV.VITU.HHZ. 2023-04-26T08:50:35.15 0.1 undecidable manual P 285 13.875 126 0.08 100
IV.PSB1.HHZ. 2023-04-26T08:50:35.70 0.3 undecidable manual S 12 8.2806 140 -0.44 70
IX.BENI.HNZ.01 2023-04-26T08:50:33.73 0.3 undecidable manual P 213 2.7972 164 0 78
IV.PSB1.HHZ. 2023-04-26T08:50:33.92 0.1 negative manual P 12 8.2806 140 -0.32 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PSB1.HHN. ML:2.4 0.0038407195000000004 0.2816 AML other m 2023-04-26T08:50:37.49
IV.PSB1.HNN. ML:2.4 0.0034326405 0.2816 AML other m 2023-04-26T08:50:37.50
IV.PSB1.HHE. ML:2.6 0.0050125659999999995 0.1984 AML other m 2023-04-26T08:50:37.61
IV.PSB1.HNE. ML:2.5 0.0048373324999999995 0.192 AML other m 2023-04-26T08:50:37.62
IV.VITU.HHE. ML:2.3 0.0021426685 0.5824 AML other m 2023-04-26T08:50:38.97
IV.VITU.HHN. ML:2.2 0.0016930320000000001 0.8 AML other m 2023-04-26T08:50:38.96
IV.VITU.HNN. ML:2.3 0.001852708 0.8 AML other m 2023-04-26T08:50:38.97
IV.VITU.HNE. ML:1.8 0.0006587477 0.1984 AML other m 2023-04-26T08:50:40.18
IV.MRB1.HNN. ML:2.4 0.002345255 3.8528 AML other m 2023-04-26T08:50:39.04
IV.MRB1.HHN. ML:2.4 0.002662202 2.3168 AML other m 2023-04-26T08:50:42.12
IV.MRB1.HHE. ML:2.5 0.00321 0.34 AML other m 2023-04-26T08:50:42.17
IV.MRB1.HNE. ML:2.5 0.00315 0.34 AML other m 2023-04-26T08:50:42.17
IV.SACR.HHN. ML:1.5 0.00015875830000000002 2.1248 AML other m 2023-04-26T08:50:44.34
IV.SACR.HNN. ML:1.5 0.00017150805000000003 6.5088 AML other m 2023-04-26T08:50:43.29
IV.SACR.HHE. ML:1.7 0.00024386835000000001 1.2608 AML other m 2023-04-26T08:50:43.83
IV.SACR.HNE. ML:1.7 0.00027800000000000004 0.72 AML other m 2023-04-26T08:50:43.85
IV.PTRJ.HHE. ML:1.6 0.0001946417 3.84 AML other m 2023-04-26T08:50:44.08
IV.PTRJ.HHN. ML:1.6 0.0001890768 4.9408 AML other m 2023-04-26T08:50:46.44
IV.MOCO.HHN. ML:1.5 0.0001220381 4.0192 AML other m 2023-04-26T08:50:46.80
IV.SNAL.HHN. ML:1.8 0.00018761855 1.696 AML other m 2023-04-26T08:50:47.21
IV.GATE.HNE. ML:1.7 0.00016586980000000002 3.8592 AML other m 2023-04-26T08:50:49.42
IV.MOCO.HHE. ML:1.7 0.00017148200000000004 3.6992 AML other m 2023-04-26T08:50:49.59
IV.MOCO.HNE. ML:1.7 0.00018141594999999998 1.8752 AML other m 2023-04-26T08:50:48.68
IV.MOCO.HNN. ML:1.6 0.0001227164 3.5456 AML other m 2023-04-26T08:50:46.01
IV.PTRJ.HNE. ML:1.7 0.00023849355 4.5312 AML other m 2023-04-26T08:50:48.27
IV.CAFE.HNN. ML:1.6 0.00012612555000000001 0.224 AML other m 2023-04-26T08:50:48.84
IV.CAFE.HHN. ML:1.6 0.00014065335 0.2368 AML other m 2023-04-26T08:50:48.84
IV.BSSO.HNN. ML:1.6 0.00010815474999999999 0.6592 AML other m 2023-04-26T08:50:48.86
IV.BSSO.HHE. ML:1.6 0.00011864925 0.32 AML other m 2023-04-26T08:50:49.41
IV.BSSO.HNE. ML:1.6 0.00009912242 0.3008 AML other m 2023-04-26T08:50:49.26
IV.CAFE.HHE. ML:1.7 0.00019088860000000002 0.32 AML other m 2023-04-26T08:50:49.38
IV.CAFE.HNE. ML:1.7 0.00017881545 0.32 AML other m 2023-04-26T08:50:49.38
IV.BSSO.HHN. ML:1.6 0.000102506295 0.2368 AML other m 2023-04-26T08:50:49.97
IV.GATE.HHE. ML:1.7 0.00015 0.52 AML other m 2023-04-26T08:50:50.41
IV.GATE.HNN. ML:1.8 0.0002070012 0.3584 AML other m 2023-04-26T08:50:50.03
IV.GATE.HHN. ML:1.8 0.0002125 0.36 AML other m 2023-04-26T08:50:50.03
IV.SNAL.HHE. ML:1.8 0.00017655900000000001 1.6832 AML other m 2023-04-26T08:50:50.98
IV.SGTA.HHE. ML:1.7 0.00014749999999999998 0.72 AML other m 2023-04-26T08:50:51.52
IV.SNAL.HNN. ML:1.7 0.00015789275000000004 8.3008 AML other m 2023-04-26T08:50:52.21
IV.SGTA.HHN. ML:1.7 0.0001325 1.26 AML other m 2023-04-26T08:50:52.23
IV.SGG.HHN. ML:1.8 0.00019 0.44 AML other m 2023-04-26T08:50:53.51
IV.SGG.HNE. ML:1.6 0.00012339398 0.5568 AML other m 2023-04-26T08:50:53.73
IV.PIGN.HHE. ML:1.8 0.000182 0.66 AML other m 2023-04-26T08:50:54.51
IV.PIGN.HHN. ML:1.8 0.00016350000000000002 0.32 AML other m 2023-04-26T08:50:54.44
IV.MELA.HHE. ML:2.3 0.00035777845 8.8576 AML other m 2023-04-26T08:50:59.54
IV.MELA.HNE. ML:2.2 0.00028928034999999995 1.4656 AML other m 2023-04-26T08:50:54.38
IV.SGTA.HNE. ML:2.4 0.00078262425 8.0192 AML other m 2023-04-26T08:50:51.74
IV.VAGA.HHE. ML:1.8 0.00015949999999999997 0.42 AML other m 2023-04-26T08:50:57.60
IV.SGG.HHE. ML:1.7 0.00016199999999999998 1.54 AML other m 2023-04-26T08:50:58.85
IV.MELA.HHN. ML:2.3 0.00034187389999999995 10.0608 AML other m 2023-04-26T08:50:59.73
IV.MELA.HNN. ML:2.3 0.00032306800000000003 10.112 AML other m 2023-04-26T08:50:59.75
IV.VAGA.HHN. ML:2.0 0.00021200000000000003 0.46 AML other m 2023-04-26T08:51:01.34
IV.CDRU.HHE. ML:1.9 0.00009255 0.58 AML other m 2023-04-26T08:51:03.15
IV.CDRU.HHN. ML:1.8 0.00009175 1.12 AML other m 2023-04-26T08:51:03.26
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