A magnitude Md 2.1 earthquake occured in region: 1 km SE Cascia (PG), on
and geographic coordinates (lat, lon) 42.7120, 13.0240 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 |
Monteleone di Spoleto | PG | 9 | 599 | 3933 |
Norcia | PG | 11 | 4957 | 8890 |
Vallo di Nera | PG | 15 | 364 | 9254 |
Cerreto di Spoleto | PG | 15 | 1075 | 10329 |
Cittareale | RI | 15 | 482 | 10811 |
Sant'Anatolia di Narco | PG | 16 | 564 | 11375 |
Scheggino | PG | 16 | 461 | 11836 |
Leonessa | RI | 17 | 2435 | 14271 |
Accumoli | RI | 18 | 667 | 14938 |
Preci | PG | 19 | 724 | 15662 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
ML-VAX 1.8 |
1987-08-14 06:23:32 |
42.712 | 13.024 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 53929 |
Field | Value |
---|---|
Time (UTC) | 1987-08-14 06:23:32 ± 0.132 |
Latitude | 42.7120 ± 0.0089 |
Longitude | 13.0240 ± 0.0108 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 53929 |
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) | 1323.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 137 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.00356 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00704 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 53929 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:52:00 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 53929 |
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. | 1987-08-14T06:24:00.00 | 10.0 | undecidable | manual | SG | 356 | 0.777 | 0.6 | 0.2 | |
--.ALP.Z. | 1987-08-14T06:23:47.38 | 10.0 | undecidable | manual | SG | 80 | 0.3996 | 0.3 | 0.9 | |
--.ARV.Z. | 1987-08-14T06:23:47.40 | 10.0 | undecidable | manual | PG | 356 | 0.777 | -0.5 | 0.6 | |
--.MNS.Z. | 1987-08-14T06:23:47.44 | 10.0 | undecidable | manual | SG | 218 | 0.3996 | 0.07 | 0.8 | |
--.ASS.Z. | 1987-08-14T06:23:47.89 | 10.0 | undecidable | manual | SG | 322 | 0.444 | -0.43 | 0.4 | |
--.ASS.Z. | 1987-08-14T06:23:41.93 | 10.0 | undecidable | manual | PG | 322 | 0.444 | 0.43 | 1 | |
--.ALP.Z. | 1987-08-14T06:23:40.58 | 10.0 | undecidable | manual | PG | 80 | 0.3996 | -0.2 | 1.8 | |
--.MNS.Z. | 1987-08-14T06:23:40.94 | 10.0 | undecidable | manual | PG | 218 | 0.3996 | -0.01 | 2.1 |