A magnitude Md 2.3 earthquake occured in region: 2 km E Sant'Anatolia di Narco (PG), on
and geographic coordinates (lat, lon) 42.7260, 12.8620 at 3 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 |
---|---|---|---|---|
Sant'Anatolia di Narco | PG | 2 | 564 | 564 |
Scheggino | PG | 3 | 461 | 1025 |
Vallo di Nera | PG | 5 | 364 | 1389 |
Poggiodomo | PG | 6 | 117 | 1506 |
Spoleto | PG | 10 | 38218 | 39724 |
Monteleone di Spoleto | PG | 11 | 599 | 40323 |
Cerreto di Spoleto | PG | 11 | 1075 | 41398 |
Cascia | PG | 12 | 3217 | 44615 |
Campello sul Clitunno | PG | 13 | 2442 | 47057 |
Ferentillo | TR | 13 | 1913 | 48970 |
Polino | TR | 16 | 233 | 49203 |
Montefranco | TR | 16 | 1276 | 50479 |
Arrone | TR | 18 | 2763 | 53242 |
Castel Ritaldi | PG | 19 | 3278 | 56520 |
Sellano | PG | 19 | 1079 | 57599 |
Trevi | PG | 19 | 8469 | 66068 |
Leonessa | RI | 20 | 2435 | 68503 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1985-04-21 08:48:41 |
42.726 | 12.862 | 3 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 5109 |
Field | Value |
---|---|
Time (UTC) | 1985-04-21 08:48:41 ± 0.101 |
Latitude | 42.7260 ± 0.0059 |
Longitude | 12.8620 ± 0.0053 |
Depth (km) | 3 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 5109 |
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) | 786.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 162 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00146 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00696 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 5109 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:09:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.AR1.Z. | 1985-04-21T08:49:10.00 | 10.0 | undecidable | manual | SG | 4 | 0.777 | 0.01 | 0.6 | |
--.CM2.Z. | 1985-04-21T08:49:01.50 | 10.0 | undecidable | manual | SG | 23 | 0.4995 | 0.02 | 0.7 | |
--.AR1.Z. | 1985-04-21T08:48:58.00 | 10.0 | undecidable | manual | PG | 4 | 0.777 | -0.09 | 1 | |
--.MNS.Z. | 1985-04-21T08:48:56.00 | 10.0 | undecidable | manual | SG | 201 | 0.3552 | 0.04 | 0.7 | |
--.CM2.Z. | 1985-04-21T08:48:53.30 | 10.0 | undecidable | manual | PG | 23 | 0.4995 | 0.12 | 0.8 | |
--.MNS.Z. | 1985-04-21T08:48:50.00 | 10.0 | undecidable | manual | PG | 201 | 0.3552 | 0.01 | 2 | |
--.PO9.Z. | 1985-04-21T08:48:48.00 | 10.0 | undecidable | manual | SG | 158 | 0.1665 | -0.15 | 0.3 | |
--.PO9.Z. | 1985-04-21T08:48:45.50 | 10.0 | undecidable | manual | PG | 158 | 0.1665 | 0.02 | 1.9 |