A magnitude Md 2.2 earthquake occured in region: 4 km SW Cascia (PG), on
and geographic coordinates (lat, lon) 42.6890, 12.9880 at 10 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 | 4 | 3217 | 3217 |
Poggiodomo | PG | 5 | 117 | 3334 |
Monteleone di Spoleto | PG | 5 | 599 | 3933 |
Scheggino | PG | 13 | 461 | 4394 |
Sant'Anatolia di Narco | PG | 13 | 564 | 4958 |
Vallo di Nera | PG | 14 | 364 | 5322 |
Leonessa | RI | 14 | 2435 | 7757 |
Norcia | PG | 15 | 4957 | 12714 |
Cerreto di Spoleto | PG | 16 | 1075 | 13789 |
Cittareale | RI | 16 | 482 | 14271 |
Polino | TR | 16 | 233 | 14504 |
Ferentillo | TR | 18 | 1913 | 16417 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1987-07-05 13:41:40 |
42.689 | 12.988 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 50679 |
Field | Value |
---|---|
Time (UTC) | 1987-07-05 13:41:40 ± 0.201 |
Latitude | 42.6890 ± 0.0118 |
Longitude | 12.9880 ± 0.0162 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 50679 |
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) | 1864.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 110 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00340 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00729 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 50679 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:49:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1987-07-05T13:42:09.29 | 10.0 | undecidable | manual | SG | 357 | 0.8103 | 0.52 | 0.3 | |
--.ARV.Z. | 1987-07-05T13:41:58.23 | 10.0 | undecidable | manual | PG | 357 | 0.8103 | 1.26 | 0.1 | |
--.CM8.Z. | 1987-07-05T13:41:58.90 | 10.0 | undecidable | manual | SG | 12 | 0.5106 | -0.51 | 0.6 | |
--.ALP.Z. | 1987-07-05T13:41:56.87 | 10.0 | undecidable | manual | SG | 77 | 0.4329 | 0.14 | 0.9 | |
--.ASS.Z. | 1987-07-05T13:41:56.90 | 10.0 | undecidable | manual | SG | 326 | 0.444 | -0.21 | 0.5 | |
--.CM8.Z. | 1987-07-05T13:41:50.70 | 10.0 | undecidable | manual | PG | 12 | 0.5106 | -0.86 | 0.4 | |
--.ALP.Z. | 1987-07-05T13:41:50.10 | 10.0 | undecidable | manual | PG | 77 | 0.4329 | 0.09 | 3 | |
--.AQU.Z. | 1987-07-05T13:41:50.14 | 10.0 | undecidable | manual | PG | 137 | 0.444 | -0.2 | 1.4 | |
--.ASS.Z. | 1987-07-05T13:41:49.99 | 10.0 | undecidable | manual | PG | 326 | 0.444 | -0.24 | 1.3 | |
--.MNS.Z. | 1987-07-05T13:41:49.20 | 10.0 | undecidable | manual | PG | 216 | 0.3774 | 0.06 | 1.5 |