A magnitude Md 2.5 earthquake occured in region: 5 km NE Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7680, 12.7730 at 5 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 | 5 | 38218 | 38218 |
Campello sul Clitunno | PG | 6 | 2442 | 40660 |
Sant'Anatolia di Narco | PG | 6 | 564 | 41224 |
Vallo di Nera | PG | 7 | 364 | 41588 |
Scheggino | PG | 8 | 461 | 42049 |
Castel Ritaldi | PG | 10 | 3278 | 45327 |
Trevi | PG | 12 | 8469 | 53796 |
Cerreto di Spoleto | PG | 13 | 1075 | 54871 |
Poggiodomo | PG | 15 | 117 | 54988 |
Ferentillo | TR | 16 | 1913 | 56901 |
Montefalco | PG | 17 | 5679 | 62580 |
Giano dell'Umbria | PG | 18 | 3846 | 66426 |
Sellano | PG | 19 | 1079 | 67505 |
Montefranco | TR | 19 | 1276 | 68781 |
Monteleone di Spoleto | PG | 20 | 599 | 69380 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1988-04-18 22:13:14 |
42.768 | 12.773 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 66919 |
Field | Value |
---|---|
Time (UTC) | 1988-04-18 22:13:14 ± 0.143 |
Latitude | 42.7680 ± 0.0059 |
Longitude | 12.7730 ± 0.0121 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 66919 |
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) | 1184.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 135 |
Number of associated phases, regardless of their use for origin computation | 17 |
Number of defining phases | 17 |
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) | 0.00275 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01206 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 66919 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:03:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1988-04-18T22:13:41.72 | 10.0 | undecidable | manual | SG | 9 | 0.7326 | 0.13 | 0.6 | |
--.PGD.Z. | 1988-04-18T22:13:40.98 | 10.0 | undecidable | manual | PN | 325 | 1.3431 | 0.73 | 0.3 | |
--.AQU.Z. | 1988-04-18T22:13:38.00 | 10.0 | undecidable | manual | SG | 131 | 0.6216 | 0.24 | 0.6 | |
--.ALP.Z. | 1988-04-18T22:13:36.56 | 10.0 | undecidable | manual | SG | 88 | 0.5772 | 0.04 | 0.7 | |
--.AM8.Z. | 1988-04-18T22:13:35.20 | 10.0 | undecidable | manual | PG | 37 | 0.9768 | 0.13 | 1.3 | |
--.CM8.Z. | 1988-04-18T22:13:33.83 | 10.0 | undecidable | manual | SG | 32 | 0.4995 | -0.21 | 0.6 | |
--.SS8.Z. | 1988-04-18T22:13:30.80 | 10.0 | undecidable | manual | SG | 54 | 0.3996 | -0.09 | 1 | |
--.ARV.Z. | 1988-04-18T22:13:30.50 | 10.0 | undecidable | manual | PG | 9 | 0.7326 | -0.29 | 1.1 | |
--.MC8.Z. | 1988-04-18T22:13:30.85 | 10.0 | undecidable | manual | PG | 41 | 0.6993 | 1.16 | 0.1 | |
--.MNS.Z. | 1988-04-18T22:13:29.92 | 10.0 | undecidable | manual | SG | 189 | 0.3885 | -0.11 | 0.7 | |
--.AQU.Z. | 1988-04-18T22:13:28.57 | 10.0 | undecidable | manual | PG | 131 | 0.6216 | 0.45 | 1.1 | |
--.ALP.Z. | 1988-04-18T22:13:27.30 | 10.0 | undecidable | manual | PG | 88 | 0.5772 | -0.38 | 1.1 | |
--.ASS.Z. | 1988-04-18T22:13:26.43 | 10.0 | undecidable | manual | SG | 343 | 0.3108 | -0.47 | 0.3 | |
--.CM8.Z. | 1988-04-18T22:13:25.97 | 10.0 | positive | manual | PG | 32 | 0.4995 | 0 | 3.5 | |
--.MNS.Z. | 1988-04-18T22:13:23.17 | 10.0 | undecidable | manual | PG | 189 | 0.3885 | -0.48 | 0.9 | |
--.SS8.Z. | 1988-04-18T22:13:23.85 | 10.0 | undecidable | manual | PG | 54 | 0.3996 | -0.3 | 1.3 | |
--.ASS.Z. | 1988-04-18T22:13:21.82 | 10.0 | undecidable | manual | PG | 343 | 0.3108 | -0.02 | 1.7 |