A magnitude Md 2.4 earthquake occured in region: 5 km E Vallo di Nera (PG), on
and geographic coordinates (lat, lon) 42.7620, 12.9280 at 7 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 |
Poggiodomo | PG | 6 | 117 | 481 |
Cerreto di Spoleto | PG | 7 | 1075 | 1556 |
Sant'Anatolia di Narco | PG | 8 | 564 | 2120 |
Cascia | PG | 9 | 3217 | 5337 |
Scheggino | PG | 10 | 461 | 5798 |
Monteleone di Spoleto | PG | 12 | 599 | 6397 |
Campello sul Clitunno | PG | 14 | 2442 | 8839 |
Norcia | PG | 14 | 4957 | 13796 |
Sellano | PG | 14 | 1079 | 14875 |
Spoleto | PG | 16 | 38218 | 53093 |
Preci | PG | 16 | 724 | 53817 |
Ferentillo | TR | 19 | 1913 | 55730 |
Trevi | PG | 20 | 8469 | 64199 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4
ML-VAX 1.7 |
1987-07-03 08:13:38 |
42.762 | 12.928 | 7 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 49929 |
Field | Value |
---|---|
Time (UTC) | 1987-07-03 08:13:38 ± 0.332 |
Latitude | 42.7620 ± 0.0055 |
Longitude | 12.9280 ± 0.0082 |
Depth (km) | 7 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 49929 |
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) | 910.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 116 |
Number of associated phases, regardless of their use for origin computation | 13 |
Number of defining phases | 13 |
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) | 0.00324 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01271 |
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 | 2.4 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 49929 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:48:39 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 49929 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.PGD.Z. | 1987-07-03T08:14:22.87 | 10.0 | undecidable | manual | SN | 321 | 1.4097 | -0.48 | 0.1 | |
--.PGD.Z. | 1987-07-03T08:14:04.50 | 10.0 | undecidable | manual | PN | 321 | 1.4097 | 0.17 | 0.8 | |
--.ARV.Z. | 1987-07-03T08:14:04.74 | 10.0 | undecidable | manual | SG | 0 | 0.7326 | 0.26 | 0.4 | |
--.CM8.Z. | 1987-07-03T08:13:56.17 | 10.0 | undecidable | manual | SG | 19 | 0.4551 | 0.56 | 0.1 | |
--.ALP.Z. | 1987-07-03T08:13:55.87 | 10.0 | undecidable | manual | SG | 87 | 0.4662 | -0.03 | 0.9 | |
--.MNS.Z. | 1987-07-03T08:13:54.23 | 10.0 | undecidable | manual | SG | 205 | 0.4107 | -0.07 | 0.6 | |
--.ASS.Z. | 1987-07-03T08:13:52.74 | 10.0 | undecidable | manual | SG | 325 | 0.3552 | 0.29 | 0.3 | |
--.ARV.Z. | 1987-07-03T08:13:52.90 | 10.0 | undecidable | manual | PG | 0 | 0.7326 | -0.53 | 0.2 | |
--.AQU.Z. | 1987-07-03T08:13:50.70 | 10.0 | undecidable | manual | PG | 139 | 0.5328 | 0.34 | 0.7 | |
--.ALP.Z. | 1987-07-03T08:13:48.37 | 10.0 | positive | manual | PG | 87 | 0.4662 | -0.11 | 2.9 | |
--.CM8.Z. | 1987-07-03T08:13:48.20 | 10.0 | positive | manual | PG | 19 | 0.4551 | -0.11 | 2.9 | |
--.MNS.Z. | 1987-07-03T08:13:47.51 | 10.0 | undecidable | manual | PG | 205 | 0.4107 | -0.04 | 1.6 | |
--.ASS.Z. | 1987-07-03T08:13:46.61 | 10.0 | undecidable | manual | PG | 325 | 0.3552 | 0.12 | 1.4 |