Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 27-04-2023 and time 16:38:20 (UTC) in region 3 km N Benevento (BN)

A magnitude ML 1.7 earthquake occured in region: 3 km N Benevento (BN), on

  • 27-04-2023 16:38:20 (UTC)
  • 27-04-2023 18:38:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.1530, 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 3 60091 60091
Pietrelcina BN 7 3114 63205
Castelpoto BN 8 1254 64459
Paduli BN 8 3978 68437
San Leucio del Sannio BN 9 3106 71543
Pesco Sannita BN 9 1972 73515
San Nicola Manfredi BN 9 3722 77237
Sant'Angelo a Cupolo BN 10 4325 81562
Apollosa BN 10 2658 84220
Torrecuso BN 10 3407 87627
Foglianise BN 10 3385 91012
San Martino Sannita BN 10 1230 92242
Ponte BN 11 2580 94822
Fragneto Monforte BN 11 1840 96662
Calvi BN 11 2682 99344
San Giorgio del Sannio BN 11 10022 109366
Paupisi BN 12 1633 110999
Fragneto l'Abate BN 12 1049 112048
Vitulano BN 12 2944 114992
Chianche AV 12 475 115467
Ceppaloni BN 12 3415 118882
Campoli del Monte Taburno BN 12 1546 120428
Apice BN 13 5686 126114
Cautano BN 13 2044 128158
Pago Veiano BN 13 2406 130564
Sant'Arcangelo Trimonte BN 13 573 131137
San Nazzaro BN 13 884 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 14 1378 137904
Santa Paolina AV 15 1256 139160
Pietradefusi AV 15 2348 141508
Campolattaro BN 16 1072 142580
Reino BN 16 1210 143790
Montesarchio BN 16 13500 157290
Venticano AV 16 2537 159827
Roccabascerana AV 16 2354 162181
Tufo AV 16 889 163070
Altavilla Irpina AV 16 4196 167266
Bonea BN 17 1448 168714
San Giorgio La Molara BN 17 2994 171708
Pontelandolfo BN 17 2167 173875
Pannarano BN 17 2130 176005
San Martino Valle Caudina AV 18 4884 180889
San Lorenzo Maggiore BN 18 2154 183043
Buonalbergo BN 18 1730 184773
San Lupo BN 18 801 185574
Torre Le Nocelle AV 18 1324 186898
Montemiletto AV 19 5313 192211
Pietrastornina AV 19 1553 193764
Molinara BN 19 1618 195382
San Marco dei Cavoti BN 19 3371 198753
Bonito AV 19 2448 201201
Prata di Principato Ultra AV 19 2944 204145
Pratola Serra AV 19 3764 207909
Guardia Sanframondi BN 20 5078 212987
Sant'Angelo a Scala AV 20 730 213717
Grottolella AV 20 1869 215586

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km N of Benevento (60091 inhabitants)
27 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 Casoria (77642 inhabitants)
50 Km NE of Scafati (50787 inhabitants)
51 Km N of Cava de' Tirreni (53659 inhabitants)
52 Km NE of Portici (55274 inhabitants)
53 Km E of Aversa (53047 inhabitants)
53 Km N of Salerno (135261 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 Napoli (974074 inhabitants)
57 Km NE of Castellammare di Stabia (66466 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 W 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 1.7 2023-04-27
16:38:20		 41.1533 14.7897 10 2024-03-01
17:18:07		 Bollettino Sismico Italiano INGV 117275961
Reviewed
Rev100 		ML 1.7 2023-04-27
16:38:20		 41.1512 14.7775 11 2023-04-27
16:47:26		 Sala Sismica INGV-Roma 116807431
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-27 16:38:20 ± 0.07
Latitude 41.1533 ± 0.0045
Longitude 14.7897 ± 0.0060
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117275961

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 608
Semi-minor axis of confidence ellipse (meter) 340
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 57
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 50
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) 0.02698
Epicentral distance of station farthest from the epicenter (degree) 0.93350
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 56
Type of magnitude ML
Reference to an origin 117275961
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-29 15:25:31

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 116807431
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-27 16:47:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT05.EHZ. 2023-04-27T16:38:47.20 0.6 undecidable manual S 50 87.8454 50 0.35 40
IV.SGRT.HHZ. 2023-04-27T16:38:37.77 0.3 undecidable manual P 50 103.6185 50 -0.48 57
IV.SGTA.HHZ. 2023-04-27T16:38:37.40 0.6 undecidable manual S 92 48.1185 50 1.16 32
IV.CERA.HNN. 2023-04-27T16:38:36.29 1.0 undecidable manual P 308 80.9523 50 1.53 12
IV.BSSO.HHZ. 2023-04-27T16:38:36.70 0.6 undecidable manual S 340 46.5201 50 0.89 36
OT.OT05.EHZ. 2023-04-27T16:38:35.15 0.3 undecidable manual P 50 87.8454 50 -0.68 55
IV.SNAL.HHZ. 2023-04-27T16:38:35.00 0.6 undecidable manual S 126 43.2234 50 0.06 47
IV.APRC.HHZ. 2023-04-27T16:38:35.67 0.6 undecidable manual P 43 91.7415 50 -0.75 35
5H.FR05.EHE. 2023-04-27T16:38:35.20 0.6 undecidable manual S 115 43.3233 50 0.24 45
IV.CDRU.HHZ. 2023-04-27T16:38:35.78 0.6 undecidable manual P 149 85.3479 50 0.34 41
IX.NSC3.HNZ.02 2023-04-27T16:38:35.40 0.6 undecidable manual S 141 43.9227 50 0.27 45
IX.SALI.HNZ.01 2023-04-27T16:38:34.80 0.6 undecidable manual S 127 41.0256 50 0.47 43
IV.RNI2.HNE. 2023-04-27T16:38:34.58 0.3 undecidable manual P 319 80.8635 50 -0.16 64
IX.MNT3.HNN.02 2023-04-27T16:38:34.00 0.6 undecidable manual S 153 39.5271 50 0.06 47
IV.CAFE.HHZ. 2023-04-27T16:38:34.10 0.6 undecidable manual S 110 39.8268 50 0.07 47
IX.RSF3.HHE.02 2023-04-27T16:38:33.40 0.3 undecidable manual S 123 38.5281 50 -0.28 68
IV.MELA.HHZ. 2023-04-27T16:38:32.11 0.1 undecidable manual P 24 67.377 50 -0.56 80
IV.PTRJ.HHZ. 2023-04-27T16:38:32.30 0.6 undecidable manual S 317 31.9458 50 0.39 45
IX.CLT3.EHN.02 2023-04-27T16:38:31.58 0.3 undecidable manual P 118 58.497 50 0.29 65
IV.CIGN.HHZ. 2023-04-27T16:38:31.14 0.3 undecidable manual P 10 56.3991 50 0.17 67
IV.SACR.HHZ. 2023-04-27T16:38:30.80 0.6 undecidable manual S 346 27.9498 50 -0.06 48
IV.VAGA.HNE. 2023-04-27T16:38:30.80 0.6 undecidable manual P 302 54.7008 50 0.09 45
IV.PIGN.HNZ. 2023-04-27T16:38:30.15 0.6 undecidable manual P 276 51.2154 50 -0.02 46
IV.MCRV.HHZ. 2023-04-27T16:38:29.77 0.3 undecidable manual P 142 51.9036 50 -0.52 62
IV.GATE.HHZ. 2023-04-27T16:38:29.01 0.3 undecidable manual P 14 41.1255 50 0.39 66
IV.BSSO.HHZ. 2023-04-27T16:38:29.35 0.1 undecidable manual P 340 46.5201 50 -0.1 92
IV.PAOL.HHZ. 2023-04-27T16:38:29.50 0.6 undecidable manual S 234 22.9548 114 0 49
IV.SGTA.HHZ. 2023-04-27T16:38:29.89 0.3 undecidable manual P 92 48.1185 50 0.2 68
IV.SGG.HHN. 2023-04-27T16:38:29.56 0.3 undecidable manual P 307 42.9237 50 0.66 60
5H.FR05.EHE. 2023-04-27T16:38:29.29 0.3 undecidable manual P 115 43.3233 50 0.33 66
IX.LIO3.HNZ.02 2023-04-27T16:38:28.44 0.3 undecidable manual P 131 43.3233 50 -0.52 63
IV.SNAL.HHZ. 2023-04-27T16:38:28.55 0.3 undecidable manual P 126 43.2234 50 -0.4 65
IX.SSB3.HNE. 2023-04-27T16:38:28.68 0.6 undecidable manual P 103 37.629 50 0.6 41
IV.CAFE.HHZ. 2023-04-27T16:38:28.44 0.1 undecidable manual P 110 39.8268 50 0.02 95
IX.SALI.HNZ.01 2023-04-27T16:38:28.41 0.3 undecidable manual P 127 41.0256 50 -0.19 69
IX.NSC3.HNZ.02 2023-04-27T16:38:28.83 0.1 undecidable manual P 141 43.9227 50 -0.23 90
IV.MOCO.HHZ. 2023-04-27T16:38:28.78 0.1 undecidable manual P 52 39.0276 50 0.49 86
IX.RSF3.HHE.02 2023-04-27T16:38:27.65 0.3 undecidable manual P 123 38.5281 50 -0.57 63
IX.MNT3.HNN.02 2023-04-27T16:38:27.94 0.3 undecidable manual P 153 39.5271 50 -0.43 65
IV.VITU.HHZ. 2023-04-27T16:38:27.30 0.6 undecidable manual S 284 13.7751 127 0.58 43
IV.MRB1.HHZ. 2023-04-27T16:38:27.70 0.6 undecidable manual S 103 15.2736 124 0.54 44
IV.PTRJ.HHZ. 2023-04-27T16:38:26.92 0.1 undecidable manual P 317 31.9458 50 -0.28 91
IV.SACR.HHZ. 2023-04-27T16:38:26.04 0.1 undecidable manual P 346 27.9498 50 -0.55 86
IV.PAOL.HHZ. 2023-04-27T16:38:25.83 0.1 undecidable manual P 234 22.9548 114 0.02 98
IV.MRB1.HHZ. 2023-04-27T16:38:24.82 0.1 negative manual P 103 15.2736 124 0.37 92
IX.BENI.HNZ.01 2023-04-27T16:38:24.50 0.6 undecidable manual S 210 2.997 164 0.02 51
IV.PSB1.HHZ. 2023-04-27T16:38:24.90 0.6 undecidable manual S 13 7.9809 142 -0.38 46
IV.VITU.HHZ. 2023-04-27T16:38:24.23 0.1 undecidable manual P 284 13.7751 127 0.03 99
IV.PSB1.HHZ. 2023-04-27T16:38:23.04 0.1 negative manual P 13 7.9809 142 -0.33 94
IX.BENI.HNZ.01 2023-04-27T16:38:22.98 0.1 undecidable manual P 210 2.997 164 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PSB1.HHE. ML:2.5 0.004 1.04 AML other m 2023-04-27T16:38:25.62
IV.PSB1.HNE. ML:2.5 0.004109999999999999 1.04 AML other m 2023-04-27T16:38:25.62
IV.PSB1.HNN. ML:2.3 0.00267 1.18 AML other m 2023-04-27T16:38:25.18
IV.PSB1.HHN. ML:2.4 0.0030999999999999995 1.2 AML other m 2023-04-27T16:38:25.18
IV.MRB1.HNE. ML:2.4 0.002535 0.3 AML other m 2023-04-27T16:38:31.34
IV.MRB1.HHE. ML:2.4 0.00259 0.3 AML other m 2023-04-27T16:38:31.34
IV.VITU.HHE. ML:2.2 0.001665 0.78 AML other m 2023-04-27T16:38:31.80
IV.VITU.HHN. ML:2.4 0.002605 0.46 AML other m 2023-04-27T16:38:32.59
IV.SACR.HHN. ML:1.5 0.00016399999999999997 1.48 AML other m 2023-04-27T16:38:33.25
IV.SACR.HNN. ML:1.5 0.0001655 0.66 AML other m 2023-04-27T16:38:33.26
IV.SACR.HNE. ML:1.6 0.00023249999999999999 1.36 AML other m 2023-04-27T16:38:33.13
IV.PAOL.HHN. ML:1.8 0.00038250000000000003 0.7 AML other m 2023-04-27T16:38:33.83
IV.PAOL.HHE. ML:1.7 0.00032250000000000003 1.34 AML other m 2023-04-27T16:38:33.16
IV.PAOL.HNE. ML:1.7 0.0003005 1.54 AML other m 2023-04-27T16:38:33.06
IV.MRB1.HNN. ML:2.5 0.00294 1.06 AML other m 2023-04-27T16:38:34.13
IV.MRB1.HHN. ML:2.5 0.0030499999999999998 1.06 AML other m 2023-04-27T16:38:34.13
IV.CAFE.HHN. ML:1.5 0.00010865 1.68 AML other m 2023-04-27T16:38:36.14
IV.CAFE.HNN. ML:1.6 0.00012565000000000002 0.6 AML other m 2023-04-27T16:38:36.14
IV.PAOL.HNN. ML:1.8 0.0003555 1.14 AML other m 2023-04-27T16:38:37.15
IV.MOCO.HNN. ML:1.4 0.00008999999999999999 1.06 AML other m 2023-04-27T16:38:37.94
IV.MOCO.HHN. ML:1.4 0.00008599999999999999 1.06 AML other m 2023-04-27T16:38:37.94
IV.BSSO.HHE. ML:1.6 0.0001085 0.28 AML other m 2023-04-27T16:38:38.36
IV.SNAL.HHE. ML:1.6 0.0001085 1.14 AML other m 2023-04-27T16:38:38.89
IV.SNAL.HNE. ML:1.5 0.00009805 1.16 AML other m 2023-04-27T16:38:38.90
IV.GATE.HNN. ML:1.7 0.00015949999999999997 0.78 AML other m 2023-04-27T16:38:38.52
IV.SACR.HHE. ML:1.7 0.0002385 0.46 AML other m 2023-04-27T16:38:39.22
IV.MCRV.HHN. ML:1.7 0.000129 1.32 AML other m 2023-04-27T16:38:39.96
IV.GATE.HHN. ML:1.6 0.0001385 0.36 AML other m 2023-04-27T16:38:39.14
IV.SGTA.HHE. ML:1.7 0.000127 0.7 AML other m 2023-04-27T16:38:40.67
IV.CAFE.HHE. ML:1.6 0.00014050000000000003 0.66 AML other m 2023-04-27T16:38:41.16
IV.CAFE.HNE. ML:1.6 0.00014549999999999999 0.66 AML other m 2023-04-27T16:38:41.49
IV.MOCO.HNE. ML:1.6 0.0001605 0.64 AML other m 2023-04-27T16:38:41.08
IV.MOCO.HHE. ML:1.6 0.00015900000000000002 0.64 AML other m 2023-04-27T16:38:41.08
IV.SGTA.HHN. ML:1.6 0.0001005 0.76 AML other m 2023-04-27T16:38:42.01
IV.MCRV.HHE. ML:1.7 0.0001295 0.28 AML other m 2023-04-27T16:38:42.84
IV.GATE.HNE. ML:1.5 0.0001099 0.58 AML other m 2023-04-27T16:38:44.16
IV.GATE.HHE. ML:1.5 0.00011249999999999998 0.56 AML other m 2023-04-27T16:38:44.17
IV.CIGN.HHE. ML:1.4 0.000050549999999999995 1.48 AML other m 2023-04-27T16:38:45.09
IV.BSSO.HHN. ML:1.4 0.00007575 0.48 AML other m 2023-04-27T16:38:45.39
IV.CIGN.HHN. ML:1.4 0.0000552 1.58 AML other m 2023-04-27T16:38:45.99
IV.MELA.HHN. ML:1.9 0.0001465 1.62 AML other m 2023-04-27T16:38:46.02
IV.MELA.HHE. ML:1.9 0.00015 0.34 AML other m 2023-04-27T16:38:46.34
IV.SNAL.HHN. ML:1.5 0.0000932 0.76 AML other m 2023-04-27T16:38:47.44
IV.SNAL.HNN. ML:1.5 0.00010685 0.4 AML other m 2023-04-27T16:38:51.26
IV.CDRU.HHE. ML:1.8 0.00007885 0.42 AML other m 2023-04-27T16:38:51.60
IV.CDRU.HHN. ML:1.8 0.00007324999999999999 1.08 AML other m 2023-04-27T16:38:52.44
IV.APRC.HHE. ML:1.9 0.00009534999999999999 0.48 AML other m 2023-04-27T16:38:53.46
IV.APRC.HHN. ML:2.0 0.0001155 0.42 AML other m 2023-04-27T16:38:53.45
IV.SGRT.HHE. ML:2.1 0.00011649999999999999 0.48 AML other m 2023-04-27T16:38:55.20
IV.SGRT.HHN. ML:1.9 0.00006965 0.4 AML other m 2023-04-27T16:38:55.42
IV.ACER.HHE. ML:2.1 0.0001065 1.28 AML other m 2023-04-27T16:38:58.86
IV.ACER.HHN. ML:2.0 0.0000837 0.5 AML other m 2023-04-27T16:38:58.57
IV.MGR.HHN. ML:1.6 0.00002435 1.4 AML other m 2023-04-27T16:39:07.14
IV.MGR.HHE. ML:1.6 0.000023800000000000003 1.46 AML other m 2023-04-27T16:39:08.04
IV.SIRI.HHN. ML:1.7 0.00003204999999999999 0.42 AML other m 2023-04-27T16:39:10.76
IV.SIRI.HHE. ML:1.8 0.00003455 0.66 AML other m 2023-04-27T16:39:11.54
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