Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 25-04-2023 and time 14:29:41 (Italy) in region 4 km W Sassinoro (BN)

A magnitude ML 1.2 earthquake occured in region: 4 km W Sassinoro (BN), on

  • 25-04-2023 12:29:41 (UTC)
  • 25-04-2023 14:29:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3720, 14.6200 at 8 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
Sassinoro BN 4 618 618
Sepino CB 4 1964 2582
Morcone BN 5 4932 7514
Pietraroja BN 6 545 8059
San Giuliano del Sannio CB 10 1029 9088
Santa Croce del Sannio BN 10 927 10015
Guardiaregia CB 10 801 10816
Cusano Mutri BN 10 4091 14907
Cercepiccola CB 11 681 15588
Pontelandolfo BN 11 2167 17755
Cerreto Sannita BN 11 3940 21695
San Lupo BN 12 801 22496
San Lorenzello BN 12 2227 24723
Guardia Sanframondi BN 13 5078 29801
Campochiaro CB 13 646 30447
Cercemaggiore CB 13 3777 34224
Campolattaro BN 13 1072 35296
San Lorenzo Maggiore BN 13 2154 37450
Casalduni BN 14 1378 38828
Vinchiaturo CB 14 3324 42152
San Polo Matese CB 14 470 42622
Faicchio BN 16 3634 46256
Circello BN 16 2388 48644
Castelpagano BN 16 1483 50127
Castelvenere BN 16 2562 52689
Mirabello Sannitico CB 17 2180 54869
Gioia Sannitica CE 17 3638 58507
Bojano CB 18 8058 66565
Colle d'Anchise CB 18 807 67372
Colle Sannita BN 18 2431 69803
Baranello CB 18 2673 72476
Fragneto Monforte BN 18 1840 74316
Ferrazzano CB 18 3344 77660
San Salvatore Telesino BN 18 3999 81659
Gildone CB 18 809 82468
Telese Terme BN 18 7486 89954
Ponte BN 19 2580 92534
Fragneto l'Abate BN 19 1049 93583
Reino BN 19 1210 94793
San Potito Sannitico CE 19 1925 96718
Paupisi BN 20 1633 98351

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Benevento (60091 inhabitants)
41 Km NE of Caserta (76326 inhabitants)
52 Km NE of Acerra (59573 inhabitants)
53 Km N of Avellino (54857 inhabitants)
56 Km NE of Aversa (53047 inhabitants)
56 Km NE of Afragola (65057 inhabitants)
59 Km NE of Casoria (77642 inhabitants)
60 Km NE of Giugliano in Campania (122974 inhabitants)
64 Km NE of Marano di Napoli (59874 inhabitants)
65 Km NE of Portici (55274 inhabitants)
67 Km NE of Ercolano (53709 inhabitants)
67 Km NE of Napoli (974074 inhabitants)
68 Km NE of Torre del Greco (86275 inhabitants)
70 Km N of Scafati (50787 inhabitants)
72 Km W of San Severo (53905 inhabitants)
73 Km NE of Pozzuoli (81661 inhabitants)
75 Km N of Cava de' Tirreni (53659 inhabitants)
76 Km N of Castellammare di Stabia (66466 inhabitants)
78 Km W of Foggia (151991 inhabitants)
78 Km N of Salerno (135261 inhabitants)
90 Km NW of Battipaglia (50786 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 1.2 2023-04-25
12:29:41		 41.3718 14.6202 8 2024-03-01
17:18:20		 Bollettino Sismico Italiano INGV 124947521
Reviewed
Rev100 		ML 1.2 2023-04-25
12:29:42		 41.3813 14.6193 7 2023-04-25
12:51:52		 Sala Sismica INGV-Roma 116735531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-25 12:29:41 ± 0.22
Latitude 41.3718 ± 0.0090
Longitude 14.6202 ± 0.0108
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124947521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 946
Semi-minor axis of confidence ellipse (meter) 250
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 6
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.48204
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 124947521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-30 11:32:06

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 116735531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-25 12:51:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLMA.HHZ. 2023-04-25T12:31:28.64 3.0 undecidable manual Sn -6.33 0
GU.GSCL.HHZ. 2023-04-25T12:31:21.95 3.0 undecidable manual Sn -5.9 0
GU.RRL.HHZ. 2023-04-25T12:31:20.38 3.0 undecidable manual Pn 7.17 0
IV.HLNI.HHZ. 2023-04-25T12:31:16.36 3.0 undecidable manual Sn -9.99 0
1J.FX14.HHZ.00 2023-04-25T12:31:16.03 3.0 undecidable manual Sn 1.84 0
IV.IMOL.HNZ. 2023-04-25T12:31:13.60 3.0 undecidable manual Sn 1.24 0
GU.RNCA.HHZ. 2023-04-25T12:31:12.60 3.0 undecidable manual Pg 21.190001 0
IV.OSSC.HHZ. 2023-04-25T12:30:57.84 3.0 undecidable manual Sn -9.3 0
IV.SFI.EHZ. 2023-04-25T12:30:54.72 3.0 undecidable manual Sn -8.88 0
IV.MGAB.HHZ. 2023-04-25T12:30:46.08 3.0 undecidable manual Sn -0.42 0
IV.BULT.EHZ. 2023-04-25T12:30:42.16 3.0 undecidable manual Pn -2.12 0
IV.MML1.EHZ. 2023-04-25T12:30:38.79 3.0 undecidable manual Sg 2.89 0
IV.CSP1.EHZ. 2023-04-25T12:30:35.25 3.0 undecidable manual Sg 2.91 0
1J.FX14.HHZ.00 2023-04-25T12:30:32.30 3.0 negative manual Pn 3.16 0
IV.SERS.HHZ. 2023-04-25T12:30:29.45 3.0 undecidable manual Pg 13.17 0
7C.SPAOL.HNZ. 2023-04-25T12:30:28.70 3.0 negative manual Pn -5.35 0
IV.CAFI.HHZ. 2023-04-25T12:30:24.90 3.0 undecidable manual Pg 7.28 0
IV.ATFO.HHZ. 2023-04-25T12:30:17.47 3.0 positive manual Pg 4.53 0
IV.SPS2.HHZ. 2023-04-25T12:30:07.03 3.0 negative manual Pn -4.72 0
IV.SALB.HHZ. 2023-04-25T12:30:03.04 3.0 negative manual Pn -1.17 0
IV.VAGA.HHN. 2023-04-25T12:29:54.20 0.6 undecidable manual S 279 32.4453 104 0.69 42
IV.RNI2.HNE. 2023-04-25T12:29:51.47 0.3 undecidable manual P 314 53.502 50 -0.44 67
IV.VITU.HHZ. 2023-04-25T12:29:50.43 0.6 undecidable manual S 178 20.9679 111 0.74 42
IV.MRVN.HHZ. 2023-04-25T12:29:50.13 3.0 undecidable manual Pn 0.59 0
IV.BSSO.HHZ. 2023-04-25T12:29:49.54 0.6 undecidable manual S 354 19.4694 113 0.33 48
IV.VAGA.HHN. 2023-04-25T12:29:49.04 0.3 undecidable manual P 279 32.4453 104 0.44 69
IV.SGG.HHZ. 2023-04-25T12:29:49.17 0.6 undecidable manual S 275 20.1687 112 -0.25 49
IV.PSB1.HNN. 2023-04-25T12:29:47.48 1.0 undecidable manual P 136 22.8549 110 0.72 21
IV.SGG.HHZ. 2023-04-25T12:29:46.05 0.3 undecidable manual P 275 20.1687 112 -0.19 75
IV.VITU.HHZ. 2023-04-25T12:29:46.18 0.3 undecidable manual P 178 20.9679 111 -0.21 74
IV.BSSO.HHZ. 2023-04-25T12:29:46.59 0.3 undecidable manual P 354 19.4694 113 0.47 70
IV.SACR.HHZ. 2023-04-25T12:29:45.93 0.6 undecidable manual S 68 7.6812 137 0.14 51
IV.PTRJ.HHZ. 2023-04-25T12:29:45.50 0.3 undecidable manual S 264 7.5813 137 -0.28 75
IV.PTRJ.HHZ. 2023-04-25T12:29:43.87 0.1 undecidable manual P 264 7.5813 137 -0.26 100
IV.SACR.HHZ. 2023-04-25T12:29:43.69 0.1 undecidable manual P 68 7.6812 137 -0.45 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTRJ.HHE. ML:1.3 0.000327 0.24 AML other m 2023-04-25T12:29:45.73
IV.PTRJ.HHN. ML:1.2 0.00027260249999999994 0.3584 AML other m 2023-04-25T12:29:45.92
IV.PTRJ.HNE. ML:1.3 0.00031356925 0.3904 AML other m 2023-04-25T12:29:45.94
IV.SACR.HHE. ML:1.3 0.0003045 0.22 AML other m 2023-04-25T12:29:46.72
IV.SACR.HNE. ML:1.2 0.000287762 0.2176 AML other m 2023-04-25T12:29:46.72
IV.PTRJ.HNN. ML:1.2 0.00026203965 0.4352 AML other m 2023-04-25T12:29:47.41
IV.SACR.HHN. ML:1.1 0.00023054865000000002 0.3968 AML other m 2023-04-25T12:29:47.74
IV.SACR.HNN. ML:1.1 0.00021473485 0.4224 AML other m 2023-04-25T12:29:47.75
IV.SGG.HNN. ML:2.8 0.005043982 0.8576 AML other m 2023-04-25T12:29:48.91
IV.SGG.HNE. ML:2.8 0.0049790825 0.8864 AML other m 2023-04-25T12:29:49.91
IV.VITU.HHE. ML:1.1 0.00009769999999999999 0.28 AML other m 2023-04-25T12:29:51.51
IV.SGG.HHN. ML:1.0 0.00008005000000000001 0.34 AML other m 2023-04-25T12:29:51.85
IV.SGG.HHE. ML:1.1 0.0000934 0.34 AML other m 2023-04-25T12:29:53.26
IV.VITU.HHN. ML:1.2 0.000107 0.66 AML other m 2023-04-25T12:29:54.50
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