A magnitude Md 2.2 earthquake occured in region: 5 km N Vallo di Nera (PG), on
and geographic coordinates (lat, lon) 42.8110, 12.8490 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 |
---|---|---|---|---|
Vallo di Nera | PG | 5 | 364 | 364 |
Cerreto di Spoleto | PG | 6 | 1075 | 1439 |
Campello sul Clitunno | PG | 6 | 2442 | 3881 |
Sant'Anatolia di Narco | PG | 9 | 564 | 4445 |
Sellano | PG | 11 | 1079 | 5524 |
Scheggino | PG | 11 | 461 | 5985 |
Trevi | PG | 11 | 8469 | 14454 |
Spoleto | PG | 12 | 38218 | 52672 |
Poggiodomo | PG | 13 | 117 | 52789 |
Castel Ritaldi | PG | 14 | 3278 | 56067 |
Cascia | PG | 17 | 3217 | 59284 |
Preci | PG | 17 | 724 | 60008 |
Montefalco | PG | 19 | 5679 | 65687 |
Monteleone di Spoleto | PG | 20 | 599 | 66286 |
Foligno | PG | 20 | 57155 | 123441 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1985-02-26 01:51:25 |
42.811 | 12.849 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 2539 |
Field | Value |
---|---|
Time (UTC) | 1985-02-26 01:51:25 ± 0.133 |
Latitude | 42.8110 ± 0.0066 |
Longitude | 12.8490 ± 0.0197 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 2539 |
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) | 1768.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 134 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.00219 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00397 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | Md |
Reference to an origin | 2539 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:07:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1985-02-26T01:51:41.80 | 10.0 | undecidable | manual | SG | 196 | 0.444 | 0.03 | 0.7 | |
--.CM8.Z. | 1985-02-26T01:51:41.70 | 10.0 | undecidable | manual | SG | 29 | 0.4329 | 0.07 | 1.1 | |
--.AS1.Z. | 1985-02-26T01:51:37.50 | 10.0 | undecidable | manual | SG | 330 | 0.2886 | 0.69 | 0.1 | |
--.PO9.Z. | 1985-02-26T01:51:36.00 | 10.0 | undecidable | manual | SG | 164 | 0.2442 | 0.57 | 0.2 | |
--.MNS.Z. | 1985-02-26T01:51:34.50 | 10.0 | undecidable | manual | PG | 196 | 0.444 | -0.44 | 0.8 | |
--.CM8.E. | 1985-02-26T01:51:34.60 | 10.0 | undecidable | manual | PG | 29 | 0.4329 | -0.26 | 1.4 | |
--.AS1.Z. | 1985-02-26T01:51:32.00 | 10.0 | undecidable | manual | PG | 330 | 0.2886 | -0.08 | 2 | |
--.PO9.Z. | 1985-02-26T01:51:31.50 | 10.0 | undecidable | manual | PG | 164 | 0.2442 | 0.22 | 1.7 |