A magnitude Md 2.3 earthquake occured in region: 3 km N Poggiodomo (PG), on
and geographic coordinates (lat, lon) 42.7430, 12.9390 at 3 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 |
---|---|---|---|---|
Poggiodomo | PG | 3 | 117 | 117 |
Cascia | PG | 7 | 3217 | 3334 |
Vallo di Nera | PG | 7 | 364 | 3698 |
Sant'Anatolia di Narco | PG | 8 | 564 | 4262 |
Cerreto di Spoleto | PG | 9 | 1075 | 5337 |
Scheggino | PG | 9 | 461 | 5798 |
Monteleone di Spoleto | PG | 10 | 599 | 6397 |
Norcia | PG | 14 | 4957 | 11354 |
Campello sul Clitunno | PG | 16 | 2442 | 13796 |
Spoleto | PG | 16 | 38218 | 52014 |
Sellano | PG | 16 | 1079 | 53093 |
Preci | PG | 17 | 724 | 53817 |
Ferentillo | TR | 18 | 1913 | 55730 |
Polino | TR | 19 | 233 | 55963 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 1.8 |
1987-08-22 00:34:43 |
42.743 | 12.939 | 3 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 54289 |
Field | Value |
---|---|
Time (UTC) | 1987-08-22 00:34:43 ± 0.114 |
Latitude | 42.7430 ± 0.0052 |
Longitude | 12.9390 ± 0.0121 |
Depth (km) | 3 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 54289 |
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) | 1149.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 118 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00340 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01093 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 54289 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:52:20 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 54289 |
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. | 1987-08-22T00:35:10.35 | 10.0 | undecidable | manual | SG | 0 | 0.7437 | -0.33 | 0.3 | |
--.SDI.Z. | 1987-08-22T00:35:07.48 | 10.0 | undecidable | manual | PN | 147 | 1.2099 | 0.4 | 0.5 | |
--.ALP.Z. | 1987-08-22T00:35:01.40 | 10.0 | undecidable | manual | SG! | 85 | 0.4551 | -0.05 | 0 | |
--.CM8.Z. | 1987-08-22T00:35:01.79 | 10.0 | undecidable | manual | SG | 18 | 0.4662 | 0.2 | 0.9 | |
--.ASS.Z. | 1987-08-22T00:34:58.22 | 10.0 | undecidable | manual | SG | 326 | 0.3774 | 0.24 | 0.5 | |
--.MNS.Z. | 1987-08-22T00:34:58.35 | 10.0 | undecidable | manual | SG | 207 | 0.3996 | -0.55 | 0.1 | |
--.ARV.Z. | 1987-08-22T00:34:58.74 | 10.0 | undecidable | manual | PG | 0 | 0.7437 | -0.34 | 0.8 | |
--.ALP.Z. | 1987-08-22T00:34:53.62 | 10.0 | undecidable | manual | PG? | 85 | 0.4551 | 0.07 | 0.7 | |
--.CM8.Z. | 1987-08-22T00:34:53.65 | 10.0 | undecidable | manual | PG | 18 | 0.4662 | -0.18 | 3.2 | |
--.ASS.Z. | 1987-08-22T00:34:52.80 | 10.0 | undecidable | manual | PG | 326 | 0.3774 | 0.33 | 1 | |
--.MNS.Z. | 1987-08-22T00:34:52.27 | 10.0 | undecidable | manual | PG | 207 | 0.3996 | -0.01 | 1.9 |