A magnitude Md 2.1 earthquake occured in region: 4 km W Sellano (PG), on
and geographic coordinates (lat, lon) 42.8860, 12.8800 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 | 4 | 1079 | 1079 |
Cerreto di Spoleto | PG | 8 | 1075 | 2154 |
Trevi | PG | 11 | 8469 | 10623 |
Campello sul Clitunno | PG | 11 | 2442 | 13065 |
Vallo di Nera | PG | 13 | 364 | 13429 |
Preci | PG | 13 | 724 | 14153 |
Monte Cavallo | MC | 16 | 145 | 14298 |
Foligno | PG | 16 | 57155 | 71453 |
Sant'Anatolia di Narco | PG | 17 | 564 | 72017 |
Visso | MC | 18 | 1107 | 73124 |
Castel Ritaldi | PG | 18 | 3278 | 76402 |
Montefalco | PG | 19 | 5679 | 82081 |
Scheggino | PG | 20 | 461 | 82542 |
Poggiodomo | PG | 20 | 117 | 82659 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1 | 1987-05-10 00:03:01 |
42.886 | 12.88 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 46689 |
Field | Value |
---|---|
Time (UTC) | 1987-05-10 00:03:01 ± 0.435 |
Latitude | 42.8860 ± 0.0235 |
Longitude | 12.8800 ± 0.0144 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 46689 |
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) | 2869.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 284 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00210 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00550 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 46689 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:45:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1987-05-10T00:03:24.00 | 10.0 | undecidable | manual | SG | 4 | 0.6105 | 0.37 | 0.3 | |
--.CM8.Z. | 1987-05-10T00:03:15.28 | 10.0 | undecidable | manual | SG | 31 | 0.3552 | -0.31 | 0.4 | |
--.ARV.Z. | 1987-05-10T00:03:14.50 | 10.0 | undecidable | manual | PG | 4 | 0.6105 | 0.02 | 1.7 | |
--.ASS.Z. | 1987-05-10T00:03:11.30 | 10.0 | undecidable | manual | SG | 316 | 0.2331 | -0.39 | 0.3 | |
--.CM8.Z. | 1987-05-10T00:03:09.75 | 10.0 | undecidable | manual | PG | 31 | 0.3552 | -0.09 | 1.9 | |
--.ASS.Z. | 1987-05-10T00:03:07.80 | 10.0 | undecidable | manual | PG | 316 | 0.2331 | 0.21 | 1.4 |