Earthquake 1 km NE Castelpagano (BN), Magnitude ML 0.8, 22 April 2023 time 04:31:36 (Timezone UTC)

A magnitude ML 0.8 earthquake occured in region: 1 km NE Castelpagano (BN), on

22-04-2023 04:31:36 (UTC)
22-04-2023 06:31:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4080, 14.8140 at 11 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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Display location by

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).

Municipality	Region	Distance (km)	Inhabitants	Cumulative Inhabitants
Castelpagano	BN	1	1483	1483
Colle Sannita	BN	5	2431	3914
Circello	BN	6	2388	6302
Santa Croce del Sannio	BN	7	927	7229
Riccia	CB	9	5262	12491
Cercemaggiore	CB	10	3777	16268
Castelvetere in Val Fortore	BN	12	1240	17508
Jelsi	CB	13	1781	19289
San Marco dei Cavoti	BN	13	3371	22660
Reino	BN	13	1210	23870
Gildone	CB	13	809	24679
Sassinoro	BN	13	618	25297
Baselice	BN	13	2397	27694
Cercepiccola	CB	13	681	28375
Tufara	CB	14	925	29300
Gambatesa	CB	14	1464	30764
Morcone	BN	14	4932	35696
Foiano di Val Fortore	BN	15	1410	37106
Campolattaro	BN	15	1072	38178
Molinara	BN	15	1618	39796
San Giuliano del Sannio	CB	15	1029	40825
Sepino	CB	16	1964	42789
Pontelandolfo	BN	17	2167	44956
Mirabello Sannitico	CB	17	2180	47136
San Bartolomeo in Galdo	BN	17	4867	52003
Fragneto l'Abate	BN	17	1049	53052
San Giorgio La Molara	BN	17	2994	56046
Campodipietra	CB	18	2570	58616
Ferrazzano	CB	18	3344	61960
Fragneto Monforte	BN	18	1840	63800
Pago Veiano	BN	19	2406	66206
Montefalcone di Val Fortore	BN	19	1525	67731
Toro	CB	19	1391	69122
Casalduni	BN	19	1378	70500
Pesco Sannita	BN	19	1972	72472

Municipalities with at least 50000 inhabitants

An earthquake occurred to

31 Km N of Benevento (60091 inhabitants)

55 Km NE of Caserta (76326 inhabitants)

55 Km N of Avellino (54857 inhabitants)

57 Km SW of San Severo (53905 inhabitants)

61 Km W of Foggia (151991 inhabitants)

63 Km NE of Acerra (59573 inhabitants)

68 Km NE of Afragola (65057 inhabitants)

70 Km NE of Aversa (53047 inhabitants)

71 Km NE of Casoria (77642 inhabitants)

74 Km NE of Giugliano in Campania (122974 inhabitants)

75 Km NE of Portici (55274 inhabitants)

77 Km NE of Marano di Napoli (59874 inhabitants)

77 Km NE of Ercolano (53709 inhabitants)

77 Km NE of Scafati (50787 inhabitants)

79 Km NE of Torre del Greco (86275 inhabitants)

79 Km NE of Napoli (974074 inhabitants)

79 Km N of Cava de' Tirreni (53659 inhabitants)

81 Km N of Salerno (135261 inhabitants)

84 Km NE of Castellammare di Stabia (66466 inhabitants)

87 Km NE of Pozzuoli (81661 inhabitants)

90 Km N of Battipaglia (50786 inhabitants)

92 Km W of Cerignola (58396 inhabitants)

95 Km W of Manfredonia (57279 inhabitants)

Recent and historical seismicity

Not available maps for this sismic event.

Seismic hazard

Not available maps for this sismic event.

Shakemap

Not available maps for this sismic event.

Felt maps

Not available maps for this sismic event.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Bulletin Rev1000	ML 0.8	2023-04-22 04:31:36	41.4078	14.8135	11	2024-03-01 17:18:07	Bollettino Sismico Italiano INGV	117279241
Reviewed Rev100	ML 0.9	2023-04-22 04:31:35	41.3598	14.8402	12	2023-04-22 04:36:36	Sala Sismica INGV-Roma	116594471

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2023-04-22 04:31:36 ± 0.14
Latitude	41.4078 ± 0.0081
Longitude	14.8135 ± 0.0096
Depth (km)	11 ± 1 (from location)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	earthquake
Origin ID	117279241

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	962
Semi-minor axis of confidence ellipse (meter)	753
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	330
Circular confidence region, given by single value of horizontal uncertainty (meter)	960.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	84
Number of associated phases, regardless of their use for origin computation	16
Number of defining phases	16
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.38
Epicentral distance of station closest to the epicenter (degree)	0.08184
Epicentral distance of station farthest from the epicenter (degree)	0.37951
Number of stations at which the event was observed	8
Number of stations from which data was used for origin computation	8

Magnitudes information

ML:0.8

Field	Value
Value	0.8
Uncertainty	0.2
Num. used stations	6
Type of magnitude	ML
Reference to an origin	117279241
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2023-05-12 09:05:23

ML:0.9

Field	Value
Value	0.9
Uncertainty	0.2
Num. used stations	6
Type of magnitude	ML
Reference to an origin	116594471
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2023-04-22 04:36:36

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.MELA.HHZ.	2023-04-22T04:31:49.93	0.6	undecidable	manual	S	38	42.1245	50	-0.28	61
IV.VITU.HNZ.	2023-04-22T04:31:47.71	0.6	undecidable	manual	S	212	29.2485	50	0.93	49
IV.MOCO.HNZ.	2023-04-22T04:31:46.63	0.3	undecidable	manual	S	98	28.9488	50	-0.08	97
IV.PTRJ.HHZ.	2023-04-22T04:31:45.73	0.6	undecidable	manual	S	259	24.1536	50	0.3	62
IV.BSSO.HHZ.	2023-04-22T04:31:45.85	0.3	undecidable	manual	S	310	23.8539	50	0.5	89
IV.PSB1.HHZ.	2023-04-22T04:31:44.85	0.3	undecidable	manual	S	181	20.4684	50	0.41	92
IV.GATE.HHZ.	2023-04-22T04:31:43.59	0.3	undecidable	manual	S	34	14.1747	128	0.88	78
IV.MELA.HHZ.	2023-04-22T04:31:43.66	0.6	undecidable	manual	P	38	42.1245	50	-0.75	52
IV.MOCO.HNZ.	2023-04-22T04:31:42.34	0.6	undecidable	manual	P	98	28.9488	50	-0.05	65
IV.SACR.HHZ.	2023-04-22T04:31:41.27	0.3	undecidable	manual	S	263	9.0798	140	-0.14	99
IV.BSSO.HHZ.	2023-04-22T04:31:41.27	0.3	undecidable	manual	P	310	23.8539	50	-0.33	93
IV.VITU.HNZ.	2023-04-22T04:31:41.92	0.3	undecidable	manual	P	212	29.2485	50	-0.51	88
IV.PSB1.HHZ.	2023-04-22T04:31:41.02	0.3	undecidable	manual	P	181	20.4684	50	-0.06	99
IV.PTRJ.HHZ.	2023-04-22T04:31:41.11	0.6	undecidable	manual	P	259	24.1536	50	-0.54	59
IV.GATE.HHZ.	2023-04-22T04:31:40.13	0.3	undecidable	manual	P	34	14.1747	128	0.05	100
IV.SACR.HHZ.	2023-04-22T04:31:39.06	0.3	undecidable	manual	P	263	9.0798	140	-0.27	96

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.SACR.HHN.	ML:0.7	0.0000711	0.46	AML	other	m	2023-04-22T04:31:42.42
IV.SACR.HHE.	ML:0.8	0.00008659999999999999	0.56	AML	other	m	2023-04-22T04:31:43.10
IV.GATE.HHE.	ML:1.0	0.00010445	0.58	AML	other	m	2023-04-22T04:31:44.55
IV.GATE.HHN.	ML:1.0	0.00010389999999999999	0.52	AML	other	m	2023-04-22T04:31:44.32
IV.PTRJ.HHN.	ML:0.6	0.000022800000000000002	1.04	AML	other	m	2023-04-22T04:31:46.11
IV.PTRJ.HHE.	ML:0.6	0.00002495	1.16	AML	other	m	2023-04-22T04:31:46.66

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Fault Plane solutions in the area

Not available maps for this sismic event.

Download

Type	Description	Link
QuakeML - small	Event, Origin, FocalMechanism	Download
QuakeML - full	Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude	Download

Earthquake with magnitude of ML 0.8 on date 22-04-2023 and time 04:31:36 (UTC) in region 1 km NE Castelpagano (BN)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:0.8

ML:0.9