A magnitude Md 2.3 earthquake occured in region: Campi Flegrei, on
and geographic coordinates (lat, lon) 40.8140, 14.1140 at 2 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
Bacoli | NA | 3 | 26560 | 26560 |
Pozzuoli | NA | 4 | 81661 | 108221 |
Monte di Procida | NA | 5 | 12886 | 121107 |
Quarto | NA | 8 | 40930 | 162037 |
Procida | NA | 9 | 10530 | 172567 |
Marano di Napoli | NA | 12 | 59874 | 232441 |
Napoli | NA | 12 | 974074 | 1206515 |
Calvizzano | NA | 12 | 12329 | 1218844 |
Qualiano | NA | 12 | 25702 | 1244546 |
Mugnano di Napoli | NA | 13 | 34828 | 1279374 |
Villaricca | NA | 14 | 31122 | 1310496 |
Giugliano in Campania | NA | 15 | 122974 | 1433470 |
Melito di Napoli | NA | 16 | 37826 | 1471296 |
Parete | CE | 17 | 11442 | 1482738 |
Ischia | NA | 17 | 19915 | 1502653 |
Casavatore | NA | 17 | 18661 | 1521314 |
Sant'Antimo | NA | 17 | 33905 | 1555219 |
Arzano | NA | 17 | 34886 | 1590105 |
Casandrino | NA | 18 | 14336 | 1604441 |
Casoria | NA | 18 | 77642 | 1682083 |
Grumo Nevano | NA | 19 | 18061 | 1700144 |
Lusciano | CE | 19 | 15362 | 1715506 |
San Giorgio a Cremano | NA | 19 | 45557 | 1761063 |
Casamicciola Terme | NA | 19 | 8362 | 1769425 |
Trentola-Ducenta | CE | 19 | 19429 | 1788854 |
Cesa | CE | 19 | 8841 | 1797695 |
Aversa | CE | 19 | 53047 | 1850742 |
Frattamaggiore | NA | 20 | 30329 | 1881071 |
Casapesenna | CE | 20 | 6987 | 1888058 |
Ercolano | NA | 20 | 53709 | 1941767 |
San Marcellino | CE | 20 | 14155 | 1955922 |
Sant'Arpino | CE | 20 | 14307 | 1970229 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 2023-04-21 03:11:42 |
40.8145 | 14.1137 | 2 | 2024-03-01 17:18:20 |
Bollettino Sismico Italiano INGV | 125069921 |
Reviewed Rev200 |
Md 1.5 | 2023-04-21 03:11:43 |
40.8367 | 14.1092 | 3 | 2024-02-06 12:34:29 |
Sala Operativa INGV-OV (Napoli) | 116562221 |
Field | Value |
---|---|
Time (UTC) | 2023-04-21 03:11:42 ± 0.35 |
Latitude | 40.8145 ± 0.0036 |
Longitude | 14.1137 ± 0.0036 |
Depth (km) | 2 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 125069921 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 371 |
Semi-minor axis of confidence ellipse (meter) | 247 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 161 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 370.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 93 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00809 |
Epicentral distance of station farthest from the epicenter (degree) | 0.04137 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.3 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 116562221 |
Agency | INGV |
Autore | Sala Operativa INGV-OV (Napoli) |
Time of creation (UTC) | 2023-04-21 03:35:02 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | 0.2 |
Num. used stations | 9 |
Type of magnitude | Md |
Reference to an origin | 125069921 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2024-02-06 12:34:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CMIS.HHZ. | 2023-04-21T03:11:47.14 | 0.6 | undecidable | manual | S | 207 | 4.4955 | 118 | -0.59 | 44 |
IV.CSTH.HNE. | 2023-04-21T03:11:46.13 | 0.6 | undecidable | manual | S | 61 | 3.3966 | 125 | -0.7 | 42 |
IV.CNIS.HNN. | 2023-04-21T03:11:46.59 | 0.6 | undecidable | manual | S | 114 | 4.5954 | 118 | -1.15 | 34 |
IV.CSOB.HNZ. | 2023-04-21T03:11:46.10 | 0.6 | undecidable | manual | S | 63 | 2.8971 | 130 | -0.31 | 47 |
IV.CBAC.HHN. | 2023-04-21T03:11:46.34 | 0.6 | undecidable | manual | S | 262 | 2.7972 | 131 | -0.01 | 50 |
IV.CFMN.HNN. | 2023-04-21T03:11:45.59 | 0.3 | undecidable | manual | S | 316 | 2.7972 | 131 | -0.78 | 61 |
IV.CBAC.HHN. | 2023-04-21T03:11:45.01 | 0.1 | undecidable | manual | P | 262 | 2.7972 | 131 | 0.22 | 97 |
IV.CSTH.HNE. | 2023-04-21T03:11:45.00 | 0.1 | undecidable | manual | P | 61 | 3.3966 | 125 | -0.05 | 100 |
IV.CFB3.HHZ. | 2023-04-21T03:11:45.14 | 0.1 | undecidable | manual | P | 110 | 1.7982 | 143 | 0.72 | 84 |
IV.CSFT.HHE. | 2023-04-21T03:11:45.90 | 0.6 | undecidable | manual | S | 53 | 2.6973 | 132 | -0.4 | 47 |
IV.CNIS.HNN. | 2023-04-21T03:11:45.50 | 0.1 | undecidable | manual | P | 114 | 4.5954 | 118 | -0.07 | 100 |
IV.CMIS.HHZ. | 2023-04-21T03:11:45.48 | 0.1 | undecidable | manual | P | 207 | 4.4955 | 118 | -0.08 | 99 |
IV.CPOZ.HNZ. | 2023-04-21T03:11:45.84 | 0.3 | undecidable | manual | S | 33 | 0.8991 | 160 | 0.57 | 67 |
IV.CSFT.HHE. | 2023-04-21T03:11:44.87 | 0.1 | undecidable | manual | P | 53 | 2.6973 | 132 | 0.12 | 99 |
IV.CAAM.HHN. | 2023-04-21T03:11:44.85 | 0.1 | undecidable | manual | P | 76 | 2.4975 | 135 | 0.2 | 97 |
IV.CPOZ.HNZ. | 2023-04-21T03:11:44.66 | 0.1 | positive | manual | P | 33 | 0.8991 | 160 | 0.49 | 92 |
IV.CFMN.HNN. | 2023-04-21T03:11:44.66 | 0.1 | undecidable | manual | P | 316 | 2.7972 | 131 | -0.13 | 98 |
IV.CSOB.HNZ. | 2023-04-21T03:11:44.96 | 0.1 | undecidable | manual | P | 63 | 2.8971 | 130 | 0.14 | 98 |