A magnitude Md 2.3 earthquake occured in region: 4 km N Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.8550, 12.9030 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 |
---|---|---|---|---|
Cerreto di Spoleto | PG | 4 | 1075 | 1075 |
Sellano | PG | 4 | 1079 | 2154 |
Vallo di Nera | PG | 10 | 364 | 2518 |
Campello sul Clitunno | PG | 11 | 2442 | 4960 |
Preci | PG | 12 | 724 | 5684 |
Trevi | PG | 13 | 8469 | 14153 |
Sant'Anatolia di Narco | PG | 15 | 564 | 14717 |
Poggiodomo | PG | 16 | 117 | 14834 |
Scheggino | PG | 17 | 461 | 15295 |
Norcia | PG | 17 | 4957 | 20252 |
Visso | MC | 17 | 1107 | 21359 |
Monte Cavallo | MC | 18 | 145 | 21504 |
Cascia | PG | 18 | 3217 | 24721 |
Spoleto | PG | 19 | 38218 | 62939 |
Castel Ritaldi | PG | 19 | 3278 | 66217 |
Foligno | PG | 20 | 57155 | 123372 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1985-08-30 03:54:17 |
42.855 | 12.903 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 12429 |
Field | Value |
---|---|
Time (UTC) | 1985-08-30 03:54:17 ± 1.113 |
Latitude | 42.8550 ± 0.0395 |
Longitude | 12.9030 ± 0.0771 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 12429 |
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) | 7666.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 288 |
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) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00340 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00769 |
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 | 1 |
Type of magnitude | Md |
Reference to an origin | 12429 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:15:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.AM1.Z. | 1985-08-30T03:54:47.50 | 10.0 | undecidable | manual | SG | 36 | 0.8547 | 0.89 | 0.1 | |
--.AM1.Z. | 1985-08-30T03:54:34.60 | 10.0 | undecidable | manual | PG | 36 | 0.8547 | 0.49 | 0.5 | |
--.ALP.Z. | 1985-08-30T03:54:34.50 | 10.0 | undecidable | manual | SG | 98 | 0.4884 | -0.27 | 0.6 | |
--.CM2.Z. | 1985-08-30T03:54:30.20 | 10.0 | undecidable | manual | SG | 27 | 0.3774 | -0.94 | 0.1 | |
--.ALP.Z. | 1985-08-30T03:54:27.30 | 10.0 | undecidable | manual | PG | 98 | 0.4884 | 0.03 | 2.4 | |
--.CM2.Z. | 1985-08-30T03:54:25.00 | 10.0 | positive | manual | PG | 27 | 0.3774 | -0.18 | 2.3 |