Earthquake with magnitude of ML 0.8 on date 27-04-2023 and time 10:22:49 (Italy) in region 3 km SE Pietraroja (BN)

A magnitude ML 0.8 earthquake occured in region: 3 km SE Pietraroja (BN), on

  • 27-04-2023 08:22:49 (UTC)
  • 27-04-2023 10:22:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.3210, 14.5640 at 5 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pietraroja BN 3 545 545
Cerreto Sannita BN 4 3940 4485
Cusano Mutri BN 5 4091 8576
San Lorenzello BN 5 2227 10803
Guardia Sanframondi BN 8 5078 15881
Faicchio BN 8 3634 19515
Morcone BN 9 4932 24447
San Lupo BN 9 801 25248
San Lorenzo Maggiore BN 9 2154 27402
Castelvenere BN 10 2562 29964
Gioia Sannitica CE 10 3638 33602
Sassinoro BN 10 618 34220
Sepino CB 11 1964 36184
San Salvatore Telesino BN 11 3999 40183
Pontelandolfo BN 11 2167 42350
Telese Terme BN 12 7486 49836
Casalduni BN 13 1378 51214
Guardiaregia CB 13 801 52015
Solopaca BN 14 3820 55835
San Potito Sannitico CE 14 1925 57760
Puglianello BN 14 1349 59109
Campolattaro BN 15 1072 60181
Campochiaro CB 15 646 60827
Amorosi BN 15 2797 63624
Ponte BN 16 2580 66204
Santa Croce del Sannio BN 16 927 67131
Paupisi BN 16 1633 68764
Castello del Matese CE 16 1494 70258
Piedimonte Matese CE 16 11297 81555
San Giuliano del Sannio CB 17 1029 82584
San Polo Matese CB 17 470 83054
San Gregorio Matese CE 18 988 84042
Ruviano CE 18 1655 85697
Castel Campagnano CE 18 1581 87278
Cercepiccola CB 18 681 87959
Vitulano BN 18 2944 90903
Torrecuso BN 18 3407 94310
Frasso Telesino BN 18 2318 96628
Melizzano BN 18 1858 98486
Fragneto Monforte BN 19 1840 100326
Alife CE 19 7616 107942
Vinchiaturo CB 19 3324 111266
Bojano CB 20 8058 119324
Fragneto l'Abate BN 20 1049 120373
Cautano BN 20 2044 122417

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Benevento (60091 inhabitants)
33 Km NE of Caserta (76326 inhabitants)
45 Km NE of Acerra (59573 inhabitants)
49 Km NE of Aversa (53047 inhabitants)
49 Km NE of Afragola (65057 inhabitants)
49 Km NW of Avellino (54857 inhabitants)
51 Km NE of Casoria (77642 inhabitants)
53 Km NE of Giugliano in Campania (122974 inhabitants)
56 Km NE of Marano di Napoli (59874 inhabitants)
58 Km NE of Portici (55274 inhabitants)
60 Km NE of Napoli (974074 inhabitants)
60 Km NE of Ercolano (53709 inhabitants)
62 Km N of Torre del Greco (86275 inhabitants)
64 Km N of Scafati (50787 inhabitants)
66 Km NE of Pozzuoli (81661 inhabitants)
70 Km N of Cava de' Tirreni (53659 inhabitants)
70 Km N of Castellammare di Stabia (66466 inhabitants)
73 Km N of Salerno (135261 inhabitants)
79 Km SW of San Severo (53905 inhabitants)
83 Km W of Foggia (151991 inhabitants)
87 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 0.8 2023-04-27
08:22:49
41.3208 14.5637 5 2024-03-01
17:18:05
Bollettino Sismico Italiano INGV 116829531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-27 08:22:49 ± 0.23
Latitude 41.3208 ± 0.0081
Longitude 14.5637 ± 0.0096
Depth (km) 5 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116829531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 885
Semi-minor axis of confidence ellipse (meter) 274
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 210
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26440
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 116829531
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-04-28 08:48:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.STN3.EHE.02 2023-04-27T08:23:07.85 3.0 undecidable manual Pn 0.42 0
IV.VAGA.HHZ. 2023-04-27T08:22:55.37 0.6 undecidable manual P 291 29.3484 100 0.2 63
IV.VITU.HHE. 2023-04-27T08:22:55.64 1.0 undecidable manual S 160 16.2726 108 0.53 30
IV.SACR.HHZ. 2023-04-27T08:22:55.14 0.6 undecidable manual S 54 14.5743 109 0.58 59
IV.SGG.HHN. 2023-04-27T08:22:55.60 0.6 undecidable manual S 295 16.9719 107 0.23 64
IV.BSSO.HHE. 2023-04-27T08:22:54.44 0.3 undecidable manual P 6 25.1526 102 0.1 97
IV.CSFT.HHE. 2023-04-27T08:22:52.86 3.0 undecidable manual P -0.27 0
IV.VITU.HHE. 2023-04-27T08:22:52.47 0.3 undecidable manual P 160 16.2726 108 -0.14 98
IV.SGG.HHN. 2023-04-27T08:22:52.68 0.3 undecidable manual P 295 16.9719 107 -0.08 99
IV.PTRJ.HHZ. 2023-04-27T08:22:51.72 0.6 undecidable manual S 329 5.5944 133 -0.12 67
IV.SACR.HHZ. 2023-04-27T08:22:51.80 0.3 undecidable manual P 54 14.5743 109 -0.49 91
IV.PTRJ.HHZ. 2023-04-27T08:22:50.58 0.3 undecidable manual P 329 5.5944 133 -0.14 100
IV.RMP.HHZ. 2023-04-27T08:22:48.76 3.0 negative manual P -0.04 0
IV.LPEL.HHZ. 2023-04-27T08:22:47.25 3.0 negative manual P 0 0
IV.LRP.EHE. 2023-04-27T08:22:37.09 3.0 positive manual P 0.06 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTRJ.HHN. ML:1.2 0.00026650430000000003 0.3008 AML other m 2023-04-27T08:22:52.89
IV.PTRJ.HHE. ML:1.1 0.00021400000000000002 0.18 AML other m 2023-04-27T08:22:53.80
IV.SACR.HHN. ML:0.8 0.00006500000000000001 0.3 AML other m 2023-04-27T08:22:57.32
IV.SACR.HHE. ML:0.8 0.0000739 0.7 AML other m 2023-04-27T08:22:59.42
IV.SACR.HNE. ML:0.9 0.000094587775 0.7104 AML other m 2023-04-27T08:22:59.08
IV.SACR.HNN. ML:0.8 0.00007461536500000001 0.48 AML other m 2023-04-27T08:22:56.17
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