A magnitude Md 2.5 earthquake occured in region: 1 km NE Cascia (PG), on
and geographic coordinates (lat, lon) 42.7310, 13.0210 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 | 1 | 3217 | 3217 |
Poggiodomo | PG | 7 | 117 | 3334 |
Norcia | PG | 9 | 4957 | 8291 |
Monteleone di Spoleto | PG | 10 | 599 | 8890 |
Cerreto di Spoleto | PG | 13 | 1075 | 9965 |
Vallo di Nera | PG | 14 | 364 | 10329 |
Sant'Anatolia di Narco | PG | 15 | 564 | 10893 |
Scheggino | PG | 16 | 461 | 11354 |
Preci | PG | 17 | 724 | 12078 |
Cittareale | RI | 17 | 482 | 12560 |
Accumoli | RI | 19 | 667 | 13227 |
Sellano | PG | 19 | 1079 | 14306 |
Leonessa | RI | 19 | 2435 | 16741 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
ML-VAX 2.0 |
1987-08-25 17:31:44 |
42.731 | 13.021 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 54439 |
Field | Value |
---|---|
Time (UTC) | 1987-08-25 17:31:44 ± 0.293 |
Latitude | 42.7310 ± 0.0172 |
Longitude | 13.0210 ± 0.0279 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 54439 |
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) | 2971.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 171 |
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) | 0.00356 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01052 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 54439 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:52:28 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 54439 |
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. | 1987-08-25T17:32:12.17 | 10.0 | undecidable | manual | SG | 356 | 0.7659 | 1.16 | 0 | |
--.SDI.Z. | 1987-08-25T17:32:06.79 | 10.0 | undecidable | manual | PN | 150 | 1.1655 | 0.21 | 0.9 | |
--.ASS.Z. | 1987-08-25T17:32:00.45 | 10.0 | undecidable | manual | SG | 321 | 0.4218 | 0.43 | 0.4 | |
--.ARV.Z. | 1987-08-25T17:32:00.00 | 10.0 | undecidable | manual | PG | 356 | 0.7659 | 0.25 | 1.1 | |
--.ALP.Z. | 1987-08-25T17:31:59.90 | 10.0 | undecidable | manual | SG | 83 | 0.3996 | 0.63 | 0.4 | |
--.AQU.Z. | 1987-08-25T17:31:54.60 | 10.0 | undecidable | manual | PG | 143 | 0.4662 | 0.41 | 1 | |
--.CM8.Z. | 1987-08-25T17:31:54.70 | 10.0 | positive | manual | PG | 11 | 0.4662 | -0.17 | 2.8 | |
--.ALP.Z. | 1987-08-25T17:31:52.46 | 10.0 | positive | manual | PG | 83 | 0.3996 | -0.51 | 1.7 | |
--.ASS.Z. | 1987-08-25T17:31:52.82 | 10.0 | undecidable | manual | PG | 321 | 0.4218 | -0.59 | 0.7 |