Earthquake (quarry blast) with magnitude of Md 1.9 on date 04-05-2023 and time 13:58:13 (Italy) in region 4 km SW Campochiaro (CB)

A magnitude Md 1.9 (quarry blast) earthquake occured in region: 4 km SW Campochiaro (CB), on

  • 04-05-2023 11:58:13 (UTC)
  • 04-05-2023 13:58:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.4260, 14.4760 at 0 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Campochiaro CB 4 646 646
San Polo Matese CB 4 470 1116
Guardiaregia CB 6 801 1917
Bojano CB 7 8058 9975
San Massimo CB 9 855 10830
San Gregorio Matese CE 10 988 11818
Colle d'Anchise CB 10 807 12625
Cusano Mutri BN 10 4091 16716
Castello del Matese CE 10 1494 18210
Pietraroja BN 11 545 18755
Piedimonte Matese CE 11 11297 30052
San Potito Sannitico CE 12 1925 31977
Vinchiaturo CB 12 3324 35301
Sepino CB 12 1964 37265
Cantalupo nel Sannio IS 13 739 38004
Roccamandolfi IS 13 938 38942
Spinete CB 13 1320 40262
Baranello CB 13 2673 42935
San Giuliano del Sannio CB 14 1029 43964
Gioia Sannitica CE 14 3638 47602
Alife CE 16 7616 55218
Macchiagodena IS 16 1854 57072
Busso CB 16 1273 58345
Faicchio BN 16 3634 61979
Cercepiccola CB 17 681 62660
Sassinoro BN 17 618 63278
Santa Maria del Molise IS 17 665 63943
Sant'Elena Sannita IS 17 275 64218
Cerreto Sannita BN 17 3940 68158
San Lorenzello BN 17 2227 70385
Casalciprano CB 18 564 70949
Valle Agricola CE 18 890 71839
Morcone BN 18 4932 76771
Castelpetroso IS 19 1680 78451
Castelpizzuto IS 19 155 78606
Letino CE 19 712 79318
Sant'Angelo d'Alife CE 19 2270 81588
Mirabello Sannitico CB 19 2180 83768
Frosolone IS 20 3170 86938

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km N of Caserta (76326 inhabitants)
42 Km NW of Benevento (60091 inhabitants)
54 Km N of Acerra (59573 inhabitants)
55 Km NE of Aversa (53047 inhabitants)
58 Km N of Afragola (65057 inhabitants)
60 Km N of Casoria (77642 inhabitants)
60 Km NE of Giugliano in Campania (122974 inhabitants)
63 Km NW of Avellino (54857 inhabitants)
63 Km NE of Marano di Napoli (59874 inhabitants)
68 Km N of Portici (55274 inhabitants)
68 Km N of Napoli (974074 inhabitants)
69 Km N of Ercolano (53709 inhabitants)
72 Km N of Torre del Greco (86275 inhabitants)
72 Km NE of Pozzuoli (81661 inhabitants)
75 Km N of Scafati (50787 inhabitants)
81 Km W of San Severo (53905 inhabitants)
81 Km N of Castellammare di Stabia (66466 inhabitants)
83 Km N of Cava de' Tirreni (53659 inhabitants)
86 Km N of Salerno (135261 inhabitants)
89 Km W of Foggia (151991 inhabitants)
100 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
Reviewed
Rev100
Md 1.9 2023-05-04
11:58:13
41.4258 14.4758 1 2023-05-04
12:16:24
Sala Sismica INGV-Roma 117019281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-04 11:58:13 ± 0.08
Latitude 41.4258 ± 0.0063
Longitude 14.4758 ± 0.0060
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type quarry blast
Origin ID 117019281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 660
Semi-minor axis of confidence ellipse (meter) 450
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 5
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.07374
Epicentral distance of station farthest from the epicenter (degree) 0.38311
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 4
Type of magnitude Md
Reference to an origin 117019281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-04 12:16:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERA.HNN. 2023-05-04T11:58:22.17 0.3 undecidable manual P 297 42.5241 91 -0.07 70
IV.PSB1.HHZ. 2023-05-04T11:58:20.99 0.6 undecidable manual P 129 35.8419 91 0.09 47
IV.VAGA.HHZ. 2023-05-04T11:58:17.58 0.1 undecidable manual P 267 20.1687 91 -0.18 95
IV.SACR.HHE. 2023-05-04T11:58:17.38 0.3 undecidable manual P 99 19.3695 91 -0.22 70
IV.BSSO.HHZ. 2023-05-04T11:58:17.17 0.1 positive manual P 36 16.5723 92 0.14 96
IV.SGG.HHZ. 2023-05-04T11:58:15.75 0.1 positive manual P 242 9.1797 93 0.2 96
IV.PTRJ.HHZ. 2023-05-04T11:58:15.36 0.1 undecidable manual P 147 8.1807 94 0 100
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