A magnitude Md 2.3 earthquake occured in region: 5 km NW Cascia (PG), on
and geographic coordinates (lat, lon) 42.7610, 12.9890 at 5 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 |
---|---|---|---|---|
Cascia | PG | 5 | 3217 | 3217 |
Poggiodomo | PG | 7 | 117 | 3334 |
Cerreto di Spoleto | PG | 9 | 1075 | 4409 |
Norcia | PG | 9 | 4957 | 9366 |
Vallo di Nera | PG | 10 | 364 | 9730 |
Monteleone di Spoleto | PG | 13 | 599 | 10329 |
Sant'Anatolia di Narco | PG | 13 | 564 | 10893 |
Preci | PG | 14 | 724 | 11617 |
Scheggino | PG | 14 | 461 | 12078 |
Sellano | PG | 15 | 1079 | 13157 |
Campello sul Clitunno | PG | 19 | 2442 | 15599 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1989-04-11 02:21:49 |
42.761 | 12.989 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 89699 |
Field | Value |
---|---|
Time (UTC) | 1989-04-11 02:21:49 ± 0.244 |
Latitude | 42.7610 ± 0.0099 |
Longitude | 12.9890 ± 0.0261 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 89699 |
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) | 2397.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 135 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00348 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01085 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 89699 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:24:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1989-04-11T02:22:16.20 | 10.0 | undecidable | manual | SG | 357 | 0.7326 | 0.18 | 0.7 | |
--.SDI.Z. | 1989-04-11T02:22:13.81 | 10.0 | undecidable | manual | PN | 149 | 1.1988 | 0.87 | 0.3 | |
--.CM8.Z. | 1989-04-11T02:22:06.54 | 10.0 | undecidable | manual | SG | 14 | 0.444 | -0.16 | 1.2 | |
--.MNS.Z. | 1989-04-11T02:22:05.50 | 10.0 | undecidable | manual | SG | 211 | 0.4329 | -0.9 | 0.2 | |
--.ASS.Z. | 1989-04-11T02:22:04.91 | 10.0 | undecidable | manual | SG | 320 | 0.3885 | 0.37 | 0.6 | |
--.ARV.Z. | 1989-04-11T02:22:04.55 | 10.0 | undecidable | manual | PG | 357 | 0.7326 | -0.24 | 1.6 | |
--.MNS.Z. | 1989-04-11T02:21:59.00 | 10.0 | undecidable | manual | PG | 211 | 0.4329 | -0.23 | 1.9 | |
--.ASS.Z. | 1989-04-11T02:21:58.60 | 10.0 | undecidable | manual | PG | 320 | 0.3885 | 0.44 | 1.5 | |
--.CM8.Z. | 1989-04-11T02:21:58.77 | 10.0 | undecidable | manual | PG | 14 | 0.444 | -0.64 | 1 |