A magnitude Md 2.4 earthquake occured in region: 5 km SW Norcia (PG), on
and geographic coordinates (lat, lon) 42.7490, 13.0730 at 4 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 |
---|---|---|---|---|
Norcia | PG | 5 | 4957 | 4957 |
Cascia | PG | 6 | 3217 | 8174 |
Poggiodomo | PG | 12 | 117 | 8291 |
Monteleone di Spoleto | PG | 15 | 599 | 8890 |
Preci | PG | 15 | 724 | 9614 |
Cerreto di Spoleto | PG | 15 | 1075 | 10689 |
Accumoli | RI | 16 | 667 | 11356 |
Cittareale | RI | 16 | 482 | 11838 |
Vallo di Nera | PG | 17 | 364 | 12202 |
Castelsantangelo sul Nera | MC | 18 | 281 | 12483 |
Arquata del Tronto | AP | 19 | 1178 | 13661 |
Sant'Anatolia di Narco | PG | 19 | 564 | 14225 |
Sellano | PG | 20 | 1079 | 15304 |
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 |
1993-05-09 17:45:11 |
42.749 | 13.073 | 4 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 184779 |
Field | Value |
---|---|
Time (UTC) | 1993-05-09 17:45:11 ± 0.096 |
Latitude | 42.7490 ± 0.0040 |
Longitude | 13.0730 ± 0.0095 |
Depth (km) | 4 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 184779 |
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) | 891.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 155 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
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) | 0.00389 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01052 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 184779 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:53:27 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 184779 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1993-05-09T17:45:39.50 | 10.0 | undecidable | manual | SG | 352 | 0.7437 | -0.26 | 0.2 | |
--.SDI.Z. | 1993-05-09T17:45:35.33 | 10.0 | undecidable | manual | PN | 151 | 1.1655 | 0.21 | 0.5 | |
--.AQU.Z. | 1993-05-09T17:45:30.15 | 10.0 | undecidable | manual | SG | 148 | 0.4551 | 0.28 | 0.2 | |
--.MNS.Z. | 1993-05-09T17:45:30.70 | 10.0 | undecidable | manual | SG | 218 | 0.4551 | 0.14 | 0.5 | |
--.ASS.Z. | 1993-05-09T17:45:29.15 | 10.0 | undecidable | manual | SG | 315 | 0.4329 | 0.22 | 0.3 | |
--.ARV.Z. | 1993-05-09T17:45:27.64 | 10.0 | undecidable | manual | PG | 352 | 0.7437 | -0.11 | 1.2 | |
--.AQU.Z. | 1993-05-09T17:45:22.15 | 10.0 | undecidable | manual | PG | 148 | 0.4551 | -0.16 | 1.1 | |
--.MNS.Z. | 1993-05-09T17:45:22.17 | 10.0 | positive | manual | PG | 218 | 0.4551 | -0.16 | 2.1 | |
--.ASS.Z. | 1993-05-09T17:45:21.84 | 10.0 | negative | manual | PG | 315 | 0.4329 | 0.08 | 3 |