A magnitude Md 2.5 earthquake occured in region: 1 km W Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7320, 12.7260 at 8 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 |
---|---|---|---|---|
Spoleto | PG | 1 | 38218 | 38218 |
Scheggino | PG | 9 | 461 | 38679 |
Sant'Anatolia di Narco | PG | 9 | 564 | 39243 |
Campello sul Clitunno | PG | 11 | 2442 | 41685 |
Castel Ritaldi | PG | 11 | 3278 | 44963 |
Vallo di Nera | PG | 12 | 364 | 45327 |
Ferentillo | TR | 13 | 1913 | 47240 |
Acquasparta | TR | 15 | 4778 | 52018 |
Montefranco | TR | 15 | 1276 | 53294 |
Trevi | PG | 16 | 8469 | 61763 |
Giano dell'Umbria | PG | 17 | 3846 | 65609 |
Arrone | TR | 17 | 2763 | 68372 |
Massa Martana | PG | 17 | 3770 | 72142 |
Poggiodomo | PG | 17 | 117 | 72259 |
Cerreto di Spoleto | PG | 18 | 1075 | 73334 |
Polino | TR | 19 | 233 | 73567 |
Montefalco | PG | 19 | 5679 | 79246 |
San Gemini | TR | 20 | 5018 | 84264 |
Terni | TR | 20 | 111501 | 195765 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1986-04-25 01:11:20 |
42.732 | 12.726 | 8 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 25979 |
Field | Value |
---|---|
Time (UTC) | 1986-04-25 01:11:20 ± 0.793 |
Latitude | 42.7320 ± 0.0110 |
Longitude | 12.7260 ± 0.0369 |
Depth (km) | 8 ± 6 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 25979 |
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) | 3250.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 142 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.6 |
Epicentral distance of station closest to the epicenter (degree) | 0.00300 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01166 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 25979 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:27:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SD1.Z. | 1986-04-25T01:12:03.50 | 10.0 | undecidable | manual | SN | 141 | 1.2987 | 0.8 | 0.3 | |
--.ARV.Z. | 1986-04-25T01:11:47.50 | 10.0 | undecidable | manual | SG | 11 | 0.777 | -0.64 | 0.6 | |
--.SD1.Z. | 1986-04-25T01:11:46.00 | 10.0 | undecidable | manual | PN | 141 | 1.2987 | 1.07 | 0.6 | |
--.CRE.Z. | 1986-04-25T01:11:42.00 | 10.0 | undecidable | manual | PG | 327 | 1.0434 | 0.49 | 1.4 | |
--.ALP.Z. | 1986-04-25T01:11:41.49 | 10.0 | undecidable | manual | SG | 85 | 0.6105 | -1.4 | 0.2 | |
--.RDP.Z. | 1986-04-25T01:11:39.00 | 10.0 | undecidable | manual | PG | 180 | 0.9657 | -1.06 | 0.7 | |
--.ARV.Z. | 1986-04-25T01:11:35.50 | 10.0 | undecidable | manual | PG | 11 | 0.777 | -1.02 | 0.8 | |
--.ASS.Z. | 1986-04-25T01:11:34.00 | 10.0 | undecidable | manual | SG | 350 | 0.333 | 0.24 | 1.2 | |
--.MNS.Z. | 1986-04-25T01:11:34.00 | 10.0 | undecidable | manual | SG | 185 | 0.3441 | -0.23 | 1.2 | |
--.ALP.Z. | 1986-04-25T01:11:34.35 | 10.0 | undecidable | manual | PG | 85 | 0.6105 | 0.86 | 1.1 | |
--.ASS.Z. | 1986-04-25T01:11:28.50 | 10.0 | undecidable | manual | PG | 350 | 0.333 | 0.28 | 1.9 | |
--.MNS.Z. | 1986-04-25T01:11:28.50 | 10.0 | undecidable | manual | PG | 185 | 0.3441 | 0.01 | 2.1 |