Earthquake 4 km SW San Polo Matese (CB), Magnitude ML 1.4, 2 February 2022 time 12:17:06 (Timezone Italy)

A magnitude ML 1.4 (quarry blast) earthquake occured in region: 4 km SW San Polo Matese (CB), on

02-02-2022 11:17:06 (UTC)
02-02-2022 12:17:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.4360, 14.4670 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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
San Polo Matese	CB	4	470	470
Campochiaro	CB	4	646	1116
Bojano	CB	5	8058	9174
Guardiaregia	CB	6	801	9975
San Massimo	CB	8	855	10830
Colle d'Anchise	CB	9	807	11637
San Gregorio Matese	CE	10	988	12625
Castello del Matese	CE	11	1494	14119
Cantalupo nel Sannio	IS	11	739	14858
Cusano Mutri	BN	11	4091	18949
Piedimonte Matese	CE	12	11297	30246
Roccamandolfi	IS	12	938	31184
Vinchiaturo	CB	12	3324	34508
Pietraroja	BN	12	545	35053
Spinete	CB	12	1320	36373
San Potito Sannitico	CE	12	1925	38298
Baranello	CB	13	2673	40971
Sepino	CB	13	1964	42935
San Giuliano del Sannio	CB	15	1029	43964
Macchiagodena	IS	15	1854	45818
Gioia Sannitica	CE	15	3638	49456
Santa Maria del Molise	IS	15	665	50121
Busso	CB	16	1273	51394
Sant'Elena Sannita	IS	16	275	51669
Alife	CE	16	7616	59285
Cercepiccola	CB	17	681	59966
Castelpetroso	IS	17	1680	61646
Casalciprano	CB	17	564	62210
Castelpizzuto	IS	17	155	62365
Faicchio	BN	18	3634	65999
Valle Agricola	CE	18	890	66889
Sassinoro	BN	18	618	67507
Letino	CE	18	712	68219
Frosolone	IS	19	3170	71389
Cerreto Sannita	BN	19	3940	75329
San Lorenzello	BN	19	2227	77556
Sant'Angelo d'Alife	CE	19	2270	79826
Mirabello Sannitico	CB	19	2180	82006
Oratino	CB	19	1641	83647
Morcone	BN	20	4932	88579
Raviscanina	CE	20	1319	89898

Municipalities with at least 50000 inhabitants

An earthquake occurred to

42 Km N of Caserta (76326 inhabitants)

43 Km NW of Benevento (60091 inhabitants)

55 Km N of Acerra (59573 inhabitants)

56 Km NE of Aversa (53047 inhabitants)

59 Km N of Afragola (65057 inhabitants)

61 Km NE of Giugliano in Campania (122974 inhabitants)

61 Km N of Casoria (77642 inhabitants)

64 Km NE of Marano di Napoli (59874 inhabitants)

64 Km NW of Avellino (54857 inhabitants)

69 Km N of Portici (55274 inhabitants)

69 Km N of Napoli (974074 inhabitants)

70 Km N of Ercolano (53709 inhabitants)

73 Km N of Torre del Greco (86275 inhabitants)

73 Km NE of Pozzuoli (81661 inhabitants)

77 Km N of Scafati (50787 inhabitants)

81 Km W of San Severo (53905 inhabitants)

82 Km N of Castellammare di Stabia (66466 inhabitants)

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

88 Km N of Salerno (135261 inhabitants)

90 Km W of Foggia (151991 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 1.4	2022-02-02 11:17:06	41.4362	14.4672	1	2022-07-08 12:33:52	Bollettino Sismico Italiano INGV	104209001
Reviewed Rev100	ML 1.5	2022-02-02 11:17:05	41.4412	14.4722	10	2022-02-02 11:22:37	Sala Sismica INGV-Roma	100527741

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2022-02-02 11:17:06 ± 0.06
Latitude	41.4362 ± 0.0045
Longitude	14.4672 ± 0.0048
Depth (km)	1 (operator assigned)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	quarry blast
Origin ID	104209001

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	480
Semi-minor axis of confidence ellipse (meter)	350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	26
Circular confidence region, given by single value of horizontal uncertainty (meter)	480.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	79
Number of associated phases, regardless of their use for origin computation	9
Number of defining phases	9
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.14
Epicentral distance of station closest to the epicenter (degree)	0.08274
Epicentral distance of station farthest from the epicenter (degree)	0.37232
Number of stations at which the event was observed	9
Number of stations from which data was used for origin computation	9

Magnitudes information

ML:1.4

Field	Value
Value	1.4
Uncertainty	0.1
Num. used stations	6
Type of magnitude	ML
Reference to an origin	104209001
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2022-05-16 13:01:10

ML:1.5

Field	Value
Value	1.5
Uncertainty	0.2
Num. used stations	10
Type of magnitude	ML
Reference to an origin	100527741
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2022-02-02 11:22:37

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.CERA.HNN.	2022-02-02T11:17:14.26	0.6	undecidable	manual	P	296	41.3253	91	-0.11	48
IV.PSB1.HNE.	2022-02-02T11:17:13.46	0.6	undecidable	manual	P	129	37.1295	91	-0.05	49
IV.VITU.HHZ.	2022-02-02T11:17:12.40	0.3	undecidable	manual	P	154	31.1466	91	0.08	74
IV.MIDA.HNZ.	2022-02-02T11:17:11.71	0.3	undecidable	manual	P	322	28.8489	91	-0.16	73
IV.SACR.HNZ.	2022-02-02T11:17:10.21	0.3	undecidable	manual	P	102	20.2686	91	0.06	75
IV.VAGA.HHZ.	2022-02-02T11:17:09.98	0.3	undecidable	manual	P	263	19.4694	91	-0.01	76
IV.BSSO.HHZ.	2022-02-02T11:17:09.47	0.3	undecidable	manual	P	41	16.0728	92	0.16	74
IV.SGG.HHZ.	2022-02-02T11:17:08.09	0.1	positive	manual	P	233	9.1797	93	0.18	100
IV.PTRJ.HHZ.	2022-02-02T11:17:07.78	0.1	undecidable	manual	P	147	9.4794	93	-0.2	99

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
IV.BSSO.HNE.	ML:1.3	0.000235532	0.256	AML	other	m	2022-02-02T11:17:14.04
IV.BSSO.HHE.	ML:1.3	0.0002406897	0.2752	AML	other	m	2022-02-02T11:17:14.17
IV.VAGA.HNE.	ML:1.4	0.0001974979	0.2112	AML	other	m	2022-02-02T11:17:16.43
IV.VAGA.HHE.	ML:1.4	0.00020649999999999998	0.22	AML	other	m	2022-02-02T11:17:16.54
IV.VAGA.HNN.	ML:1.6	0.00035423895	0.2432	AML	other	m	2022-02-02T11:17:17.87
IV.VAGA.HHN.	ML:1.6	0.00036449999999999997	0.24	AML	other	m	2022-02-02T11:17:17.75

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 (quarry blast) with magnitude of ML 1.4 on date 02-02-2022 and time 12:17:06 (Italy) in region 4 km SW San Polo Matese (CB)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:1.4

ML:1.5