A magnitude Md 2.3 earthquake occured in region: 3 km N Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7640, 12.7450 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 |
---|---|---|---|---|
Spoleto | PG | 3 | 38218 | 38218 |
Campello sul Clitunno | PG | 7 | 2442 | 40660 |
Sant'Anatolia di Narco | PG | 8 | 564 | 41224 |
Castel Ritaldi | PG | 9 | 3278 | 44502 |
Scheggino | PG | 9 | 461 | 44963 |
Vallo di Nera | PG | 10 | 364 | 45327 |
Trevi | PG | 13 | 8469 | 53796 |
Cerreto di Spoleto | PG | 15 | 1075 | 54871 |
Giano dell'Umbria | PG | 16 | 3846 | 58717 |
Ferentillo | TR | 16 | 1913 | 60630 |
Montefalco | PG | 16 | 5679 | 66309 |
Poggiodomo | PG | 17 | 117 | 66426 |
Acquasparta | TR | 18 | 4778 | 71204 |
Massa Martana | PG | 18 | 3770 | 74974 |
Montefranco | TR | 19 | 1276 | 76250 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 1.6 |
1988-04-06 07:50:36 |
42.764 | 12.745 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 65809 |
Field | Value |
---|---|
Time (UTC) | 1988-04-06 07:50:36 ± 0.101 |
Latitude | 42.7640 ± 0.0048 |
Longitude | 12.7450 ± 0.0095 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 65809 |
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) | 941.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 160 |
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) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00267 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00899 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 65809 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:02:22 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 65809 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ALP.Z. | 1988-04-06T07:50:57.91 | 10.0 | undecidable | manual | SG | 88 | 0.5994 | 0.18 | 0.7 | |
--.AM8.Z. | 1988-04-06T07:50:56.39 | 10.0 | undecidable | manual | PG | 38 | 0.999 | 0.26 | 0.7 | |
--.CM8.Z. | 1988-04-06T07:50:54.82 | 10.0 | undecidable | manual | SG | 33 | 0.5106 | -0.23 | 0.7 | |
--.SS8.Z. | 1988-04-06T07:50:52.43 | 10.0 | undecidable | manual | SG | 55 | 0.4218 | 0.25 | 0.6 | |
--.MC8.Z. | 1988-04-06T07:50:51.52 | 10.0 | undecidable | manual | PG | 42 | 0.7215 | 0.56 | 0.2 | |
--.MNS.Z. | 1988-04-06T07:50:50.50 | 10.0 | undecidable | manual | SG | 187 | 0.3774 | -0.13 | 0.8 | |
--.ALP.Z. | 1988-04-06T07:50:48.74 | 10.0 | undecidable | manual | PG | 88 | 0.5994 | 0 | 1.4 | |
--.ASS.Z. | 1988-04-06T07:50:48.44 | 10.0 | undecidable | manual | SG | 347 | 0.2997 | 0.26 | 0.4 | |
--.CM8.Z. | 1988-04-06T07:50:46.82 | 10.0 | positive | manual | PG | 33 | 0.5106 | -0.37 | 1.3 | |
--.SS8.Z. | 1988-04-06T07:50:45.32 | 10.0 | positive | manual | PG | 55 | 0.4218 | -0.21 | 2.3 | |
--.MNS.Z. | 1988-04-06T07:50:44.74 | 10.0 | undecidable | manual | PG | 187 | 0.3774 | 0.11 | 1.4 | |
--.ASS.Z. | 1988-04-06T07:50:43.29 | 10.0 | undecidable | manual | PG | 347 | 0.2997 | 0.07 | 1.5 |