A magnitude Md 2.3 earthquake occured in region: 7 km SE Cascia (PG), on
and geographic coordinates (lat, lon) 42.6600, 13.0520 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 | 7 | 3217 | 3217 |
Monteleone di Spoleto | PG | 8 | 599 | 3816 |
Cittareale | RI | 10 | 482 | 4298 |
Poggiodomo | PG | 11 | 117 | 4415 |
Leonessa | RI | 13 | 2435 | 6850 |
Norcia | PG | 15 | 4957 | 11807 |
Posta | RI | 16 | 694 | 12501 |
Accumoli | RI | 17 | 667 | 13168 |
Borbona | RI | 18 | 617 | 13785 |
Scheggino | PG | 19 | 461 | 14246 |
Polino | TR | 19 | 233 | 14479 |
Sant'Anatolia di Narco | PG | 19 | 564 | 15043 |
Vallo di Nera | PG | 20 | 364 | 15407 |
Amatrice | RI | 20 | 2657 | 18064 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1987-05-02 17:43:01 |
42.66 | 13.052 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 46139 |
Field | Value |
---|---|
Time (UTC) | 1987-05-02 17:43:01 ± 0.226 |
Latitude | 42.6600 ± 0.0100 |
Longitude | 13.0520 ± 0.0124 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 46139 |
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) | 1505.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 316 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00445 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00753 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 46139 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:45:22 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1987-05-02T17:43:30.00 | 10.0 | undecidable | manual | SG | 354 | 0.8325 | 0.04 | 0.7 | |
--.CM8.Z. | 1987-05-02T17:43:20.35 | 10.0 | undecidable | manual | SG | 6 | 0.5328 | 0.13 | 0.5 | |
--.ASS.Z. | 1987-05-02T17:43:18.70 | 10.0 | undecidable | manual | SG | 323 | 0.4995 | -0.2 | 0.4 | |
--.ARV.Z. | 1987-05-02T17:43:17.50 | 10.0 | undecidable | manual | PG | 354 | 0.8325 | -0.22 | 0.8 | |
--.CM8.Z. | 1987-05-02T17:43:12.90 | 10.0 | undecidable | manual | PG | 6 | 0.5328 | -0.01 | 2.3 | |
--.ASS.Z. | 1987-05-02T17:43:11.50 | 10.0 | undecidable | manual | PG | 323 | 0.4995 | 0.17 | 1.2 |