A magnitude Md 2.5 earthquake occured in region: Ischia e costa Flegrea (Napoli), on
and geographic coordinates (lat, lon) 40.7810, 14.0660 at 13 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 |
---|---|---|---|---|
Monte di Procida | NA | 2 | 12886 | 12886 |
Bacoli | NA | 2 | 26560 | 39446 |
Procida | NA | 4 | 10530 | 49976 |
Pozzuoli | NA | 8 | 81661 | 131637 |
Ischia | NA | 11 | 19915 | 151552 |
Quarto | NA | 13 | 40930 | 192482 |
Casamicciola Terme | NA | 14 | 8362 | 200844 |
Barano d'Ischia | NA | 15 | 10113 | 210957 |
Lacco Ameno | NA | 16 | 4853 | 215810 |
Serrara Fontana | NA | 16 | 3173 | 218983 |
Marano di Napoli | NA | 17 | 59874 | 278857 |
Napoli | NA | 17 | 974074 | 1252931 |
Qualiano | NA | 17 | 25702 | 1278633 |
Calvizzano | NA | 18 | 12329 | 1290962 |
Forio | NA | 18 | 17615 | 1308577 |
Mugnano di Napoli | NA | 19 | 34828 | 1343405 |
Villaricca | NA | 19 | 31122 | 1374527 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
ML-VAX 2.1 |
1991-01-10 11:21:48 |
40.781 | 14.066 | 13 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 133899 |
Field | Value |
---|---|
Time (UTC) | 1991-01-10 11:21:48 ± 0.865 |
Latitude | 40.7810 ± 0.0435 |
Longitude | 14.0660 ± 0.0582 |
Depth (km) | 13 ± 6 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 133899 |
Field | Value |
---|---|
Preferred uncertainty description | horizontal uncertainty |
Semi-major axis of confidence ellipse (meter) | |
Semi-minor axis of confidence ellipse (meter) | |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 6884.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 216 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00826 |
Epicentral distance of station farthest from the epicenter (degree) | 0.02550 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 133899 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:04:49 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 133899 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1991-01-10T11:22:35.00 | 10.0 | undecidable | manual | PN | 343 | 2.8305 | 1.41 | 0.3 | |
--.BRT.Z. | 1991-01-10T11:22:27.00 | 10.0 | undecidable | manual | PN | 86 | 2.331 | 0.38 | 1.3 | |
--.FG4.Z. | 1991-01-10T11:22:25.57 | 10.0 | undecidable | manual | SN | 72 | 1.1433 | -0.59 | 0.6 | |
--.ORI.Z. | 1991-01-10T11:22:21.00 | 10.0 | undecidable | manual | PN | 111 | 1.9425 | -0.38 | 1.4 | |
--.SDI.Z. | 1991-01-10T11:22:21.30 | 10.0 | undecidable | manual | SG | 348 | 0.9435 | 0.14 | 0.7 | |
--.MNS.Z. | 1991-01-10T11:22:19.00 | 10.0 | undecidable | manual | PN | 327 | 1.9092 | -1.79 | 0.2 | |
--.AZI.Z. | 1991-01-10T11:22:13.00 | 10.0 | undecidable | manual | PN | 339 | 1.2876 | 0.64 | 1.4 | |
--.FG4.Z. | 1991-01-10T11:22:09.82 | 10.0 | undecidable | manual | PN | 72 | 1.1433 | -0.57 | 1.4 | |
--.SGO.Z. | 1991-01-10T11:22:08.56 | 10.0 | undecidable | manual | PN | 103 | 0.9657 | 0.68 | 1.3 | |
--.SDI.Z. | 1991-01-10T11:22:07.48 | 10.0 | undecidable | manual | PG | 348 | 0.9435 | -0.02 | 1.8 | |
--.DUI.Z. | 1991-01-10T11:22:06.60 | 10.0 | undecidable | manual | PG? | 18 | 0.9213 | -0.51 | 0.6 |