A magnitude Md 2.5 earthquake occured in region: 4 km NE Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.8400, 12.9590 at 6 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 | 6 | 1079 | 2154 |
Preci | PG | 8 | 724 | 2878 |
Vallo di Nera | PG | 11 | 364 | 3242 |
Norcia | PG | 12 | 4957 | 8199 |
Cascia | PG | 14 | 3217 | 11416 |
Poggiodomo | PG | 14 | 117 | 11533 |
Visso | MC | 15 | 1107 | 12640 |
Campello sul Clitunno | PG | 15 | 2442 | 15082 |
Sant'Anatolia di Narco | PG | 15 | 564 | 15646 |
Castelsantangelo sul Nera | MC | 17 | 281 | 15927 |
Scheggino | PG | 18 | 461 | 16388 |
Monte Cavallo | MC | 18 | 145 | 16533 |
Trevi | PG | 18 | 8469 | 25002 |
Ussita | MC | 19 | 444 | 25446 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1985-02-04 00:34:06 |
42.84 | 12.959 | 6 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 1019 |
Field | Value |
---|---|
Time (UTC) | 1985-02-04 00:34:06 ± 0.13 |
Latitude | 42.8400 ± 0.0056 |
Longitude | 12.9590 ± 0.0130 |
Depth (km) | 6 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 1019 |
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) | 1226.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 125 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
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) | 0.00235 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01158 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 1019 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:06:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CH1.Z. | 1985-02-04T00:34:43.50 | 10.0 | undecidable | manual | SN | 317 | 1.0656 | -0.17 | 0.6 | |
--.SD1.Z. | 1985-02-04T00:34:31.50 | 10.0 | undecidable | manual | PN | 150 | 1.2876 | 0.57 | 0.5 | |
--.AR1.Z. | 1985-02-04T00:34:30.50 | 10.0 | undecidable | manual | SG | 358 | 0.6549 | 0.19 | 0.7 | |
--.CH1.Z. | 1985-02-04T00:34:28.00 | 10.0 | undecidable | manual | PN | 317 | 1.0656 | 0.03 | 1.5 | |
--.AQU.Z. | 1985-02-04T00:34:27.50 | 10.0 | undecidable | manual | SG | 145 | 0.5772 | -0.43 | 0.4 | |
--.CM8.Z. | 1985-02-04T00:34:21.30 | 10.0 | undecidable | manual | SG | 20 | 0.3774 | -0.01 | 0.8 | |
--.AR1.Z. | 1985-02-04T00:34:20.00 | 10.0 | undecidable | manual | PG | 358 | 0.6549 | -0.25 | 1.6 | |
--.AQU.Z. | 1985-02-04T00:34:19.50 | 10.0 | undecidable | manual | PG | 145 | 0.5772 | 0.62 | 0.7 | |
--.AS1.Z. | 1985-02-04T00:34:19.00 | 10.0 | undecidable | manual | SG | 314 | 0.3108 | 0.11 | 1.1 | |
--.MNS.Z. | 1985-02-04T00:34:16.50 | 10.0 | undecidable | manual | PG | 204 | 0.4995 | -0.79 | 0.4 | |
--.AS1.Z. | 1985-02-04T00:34:14.00 | 10.0 | undecidable | manual | PG | 314 | 0.3108 | 0.34 | 1.3 | |
--.CM8.Z. | 1985-02-04T00:34:14.70 | 10.0 | undecidable | manual | PG | 20 | 0.3774 | -0.36 | 1.3 | |
--.PO9.Z. | 1985-02-04T00:34:12.50 | 10.0 | undecidable | manual | PG | 182 | 0.2553 | -0.05 | 2 |