Earthquake (quarry blast) with magnitude of ML 1.2 on date 13-04-2022 and time 12:06:19 (Italy) in region 1 km NE Sant'Agapito (IS)

A magnitude ML 1.2 (quarry blast) earthquake occured in region: 1 km NE Sant'Agapito (IS), on

  • 13-04-2022 10:06:19 (UTC)
  • 13-04-2022 12:06:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.5570, 14.2300 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sant'Agapito IS 2 1496 1496
Isernia IS 4 21842 23338
Longano IS 4 690 24028
Pettoranello del Molise IS 4 460 24488
Macchia d'Isernia IS 5 1035 25523
Monteroduni IS 6 2264 27787
Castelpizzuto IS 7 155 27942
Pesche IS 8 1661 29603
Carpinone IS 9 1157 30760
Fornelli IS 9 1909 32669
Montaquila IS 10 2456 35125
Castelpetroso IS 10 1680 36805
Miranda IS 10 1047 37852
Gallo Matese CE 10 579 38431
Colli a Volturno IS 12 1349 39780
Letino CE 12 712 40492
Santa Maria del Molise IS 12 665 41157
Fontegreca CE 12 811 41968
Capriati a Volturno CE 12 1541 43509
Roccamandolfi IS 12 938 44447
Sessano del Molise IS 13 727 45174
Ciorlano CE 13 426 45600
Prata Sannita CE 14 1502 47102
Cantalupo nel Sannio IS 14 739 47841
Rocchetta a Volturno IS 14 1113 48954
Filignano IS 15 648 49602
Acquaviva d'Isernia IS 15 425 50027
Macchiagodena IS 15 1854 51881
Valle Agricola CE 15 890 52771
Pozzilli IS 15 2380 55151
Cerro al Volturno IS 15 1281 56432
Scapoli IS 16 680 57112
Roccasicura IS 16 550 57662
Forlì del Sannio IS 16 675 58337
Pescolanciano IS 16 855 59192
San Massimo CB 17 855 60047
Venafro IS 17 11280 71327
Pratella CE 17 1565 72892
Castel San Vincenzo IS 18 516 73408
Carovilli IS 18 1359 74767
Ailano CE 19 1369 76136
Chiauci IS 19 233 76369
Rionero Sannitico IS 19 1118 77487
Frosolone IS 19 3170 80657
Civitanova del Sannio IS 19 945 81602
Sesto Campano IS 20 2388 83990
Conca Casale IS 20 200 84190

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km N of Caserta (76326 inhabitants)
65 Km N of Aversa (53047 inhabitants)
66 Km NW of Benevento (60091 inhabitants)
69 Km N of Acerra (59573 inhabitants)
70 Km N of Giugliano in Campania (122974 inhabitants)
71 Km N of Afragola (65057 inhabitants)
73 Km N of Casoria (77642 inhabitants)
73 Km N of Marano di Napoli (59874 inhabitants)
80 Km N of Pozzuoli (81661 inhabitants)
80 Km N of Napoli (974074 inhabitants)
82 Km N of Portici (55274 inhabitants)
84 Km N of Ercolano (53709 inhabitants)
86 Km NW of Avellino (54857 inhabitants)
86 Km N of Torre del Greco (86275 inhabitants)
89 Km S of Chieti (51815 inhabitants)
93 Km N of Scafati (50787 inhabitants)
97 Km W of San Severo (53905 inhabitants)
98 Km N of Castellammare di Stabia (66466 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 2022-04-13
10:06:19
41.5567 14.2303 1 2022-07-08
12:33:46
Bollettino Sismico Italiano INGV 103511901
Reviewed
Rev100
ML 1.4 2022-04-13
10:06:19
41.5692 14.2212 11 2022-04-13
10:22:59
Sala Sismica INGV-Roma 103156391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-13 10:06:19 ± 0.15
Latitude 41.5567 ± 0.0081
Longitude 14.2303 ± 0.0168
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 103511901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1450
Semi-minor axis of confidence ellipse (meter) 900
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 260
Circular confidence region, given by single value of horizontal uncertainty (meter) 1450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.08723
Epicentral distance of station farthest from the epicenter (degree) 0.22483
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 103511901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-06-30 13:44:26

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 103156391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-13 10:22:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PABO.HHZ. 2022-04-13T10:06:24.80 0.3 undecidable manual P 31 24.9528 91 0.38 94
IV.SGG.HNE. 2022-04-13T10:06:24.06 0.3 undecidable manual P 147 22.5552 91 0.12 100
IV.CERA.HNZ. 2022-04-13T10:06:23.31 0.3 undecidable manual P 285 18.1707 92 0.24 98
IV.VAGA.HHZ. 2022-04-13T10:06:22.35 0.3 undecidable manual P 179 15.6732 92 -0.21 99
IV.RNI2.HHZ. 2022-04-13T10:06:22.78 0.3 undecidable manual P 338 17.4714 92 -0.15 100
IV.MIDA.HHZ. 2022-04-13T10:06:21.00 0.3 undecidable manual P 12 9.6792 93 -0.36 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.VAGA.HHN. ML:1.7 0.0005515 0.3 AML other m 2022-04-13T10:06:27.51
IV.RNI2.HHN. ML:1.0 0.00010499999999999999 0.22 AML other m 2022-04-13T10:06:28.23
IV.RNI2.HHE. ML:1.2 0.00014450000000000002 0.24 AML other m 2022-04-13T10:06:28.13
IV.VAGA.HHE. ML:1.2 0.000166 1.72 AML other m 2022-04-13T10:06:29.04
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