A magnitude Md 2.3 earthquake occured in region: 2 km SE Sellano (PG), on
and geographic coordinates (lat, lon) 42.8750, 12.9480 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 |
---|---|---|---|---|
Sellano | PG | 2 | 1079 | 1079 |
Cerreto di Spoleto | PG | 7 | 1075 | 2154 |
Preci | PG | 8 | 724 | 2878 |
Visso | MC | 13 | 1107 | 3985 |
Vallo di Nera | PG | 14 | 364 | 4349 |
Monte Cavallo | MC | 14 | 145 | 4494 |
Norcia | PG | 15 | 4957 | 9451 |
Campello sul Clitunno | PG | 15 | 2442 | 11893 |
Trevi | PG | 16 | 8469 | 20362 |
Castelsantangelo sul Nera | MC | 17 | 281 | 20643 |
Ussita | MC | 17 | 444 | 21087 |
Cascia | PG | 18 | 3217 | 24304 |
Poggiodomo | PG | 18 | 117 | 24421 |
Sant'Anatolia di Narco | PG | 18 | 564 | 24985 |
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 |
1989-12-20 00:19:41 |
42.875 | 12.948 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 106329 |
Field | Value |
---|---|
Time (UTC) | 1989-12-20 00:19:41 ± 0.104 |
Latitude | 42.8750 ± 0.0053 |
Longitude | 12.9480 ± 0.0088 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 106329 |
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) | 930.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 109 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00251 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00559 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 106329 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:39:01 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 106329 |
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. | 1989-12-20T00:20:03.70 | 10.0 | undecidable | manual | SG | 359 | 0.6216 | -0.14 | 0.7 | |
--.MNS.Z. | 1989-12-20T00:20:00.24 | 10.0 | undecidable | manual | SG | 201 | 0.5217 | -0.5 | 0.1 | |
--.ALP.Z. | 1989-12-20T00:19:59.10 | 10.0 | undecidable | manual | SG | 101 | 0.4551 | 0.33 | 0.6 | |
--.CM8.Z. | 1989-12-20T00:19:55.23 | 10.0 | undecidable | manual | SG | 23 | 0.3441 | 0.17 | 1.1 | |
--.ARV.Z. | 1989-12-20T00:19:54.34 | 10.0 | undecidable | manual | PG | 359 | 0.6216 | -0.23 | 1.3 | |
--.ASS.Z. | 1989-12-20T00:19:53.26 | 10.0 | undecidable | manual | SG | 310 | 0.2775 | 0.25 | 0.6 | |
--.MNS.Z. | 1989-12-20T00:19:52.98 | 10.0 | undecidable | manual | PG | 201 | 0.5217 | 0.2 | 1.6 | |
--.ALP.Z. | 1989-12-20T00:19:51.27 | 10.0 | undecidable | manual | PG? | 101 | 0.4551 | -0.31 | 0.4 | |
--.CM8.Z. | 1989-12-20T00:19:49.31 | 10.0 | undecidable | manual | PG | 23 | 0.3441 | -0.18 | 1.8 | |
--.ASS.Z. | 1989-12-20T00:19:48.50 | 10.0 | undecidable | manual | PG | 310 | 0.2775 | 0.19 | 1.8 |