A magnitude Md 2.4 earthquake occured in region: 4 km S Norcia (PG), on
and geographic coordinates (lat, lon) 42.7590, 13.1010 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 |
---|---|---|---|---|
Norcia | PG | 4 | 4957 | 4957 |
Cascia | PG | 8 | 3217 | 8174 |
Accumoli | RI | 14 | 667 | 8841 |
Preci | PG | 14 | 724 | 9565 |
Poggiodomo | PG | 15 | 117 | 9682 |
Castelsantangelo sul Nera | MC | 16 | 281 | 9963 |
Arquata del Tronto | AP | 16 | 1178 | 11141 |
Cittareale | RI | 16 | 482 | 11623 |
Cerreto di Spoleto | PG | 17 | 1075 | 12698 |
Monteleone di Spoleto | PG | 17 | 599 | 13297 |
Visso | MC | 19 | 1107 | 14404 |
Vallo di Nera | PG | 20 | 364 | 14768 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1987-09-02 01:46:19 |
42.759 | 13.101 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 54649 |
Field | Value |
---|---|
Time (UTC) | 1987-09-02 01:46:19 ± 0.19 |
Latitude | 42.7590 ± 0.0112 |
Longitude | 13.1010 ± 0.0160 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 54649 |
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) | 1802.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 161 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
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) | 0.00308 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00672 |
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 | 54649 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:52:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1987-09-02T01:46:46.30 | 10.0 | undecidable | manual | SG | 351 | 0.7437 | 0.59 | 0.2 | |
--.AQU.Z. | 1987-09-02T01:46:37.00 | 10.0 | undecidable | manual | SG | 151 | 0.4551 | 0.77 | 0.1 | |
--.ASS.Z. | 1987-09-02T01:46:36.51 | 10.0 | undecidable | manual | SG | 313 | 0.444 | 0.75 | 0.1 | |
--.CM8.Z. | 1987-09-02T01:46:35.85 | 10.0 | undecidable | manual | SG | 4 | 0.4329 | 0.42 | 0.7 | |
--.ARV.Z. | 1987-09-02T01:46:34.00 | 10.0 | undecidable | manual | PG | 351 | 0.7437 | -0.47 | 0.8 | |
--.ALP.Z. | 1987-09-02T01:46:32.63 | 10.0 | undecidable | manual | SG | 86 | 0.3441 | 0.21 | 1 | |
--.AQU.Z. | 1987-09-02T01:46:29.00 | 10.0 | undecidable | manual | PG | 151 | 0.4551 | -0.16 | 1.9 | |
--.CM8.Z. | 1987-09-02T01:46:28.39 | 10.0 | undecidable | manual | PG | 4 | 0.4329 | -0.31 | 1.5 | |
--.ASS.Z. | 1987-09-02T01:46:28.75 | 10.0 | undecidable | manual | PG | 313 | 0.444 | -0.14 | 1.9 | |
--.ALP.Z. | 1987-09-02T01:46:26.80 | 10.0 | undecidable | manual | PG | 86 | 0.3441 | -0.16 | 1.9 |