A magnitude Md 2.3 earthquake occured in region: 5 km S Norcia (PG), on
and geographic coordinates (lat, lon) 42.7530, 13.1080 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 |
---|---|---|---|---|
Norcia | PG | 5 | 4957 | 4957 |
Cascia | PG | 9 | 3217 | 8174 |
Accumoli | RI | 13 | 667 | 8841 |
Poggiodomo | PG | 15 | 117 | 8958 |
Preci | PG | 15 | 724 | 9682 |
Cittareale | RI | 16 | 482 | 10164 |
Arquata del Tronto | AP | 16 | 1178 | 11342 |
Castelsantangelo sul Nera | MC | 16 | 281 | 11623 |
Monteleone di Spoleto | PG | 17 | 599 | 12222 |
Cerreto di Spoleto | PG | 17 | 1075 | 13297 |
Visso | MC | 20 | 1107 | 14404 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 1.5 |
1991-01-08 22:26:31 |
42.753 | 13.108 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 133789 |
Field | Value |
---|---|
Time (UTC) | 1991-01-08 22:26:31 ± 0.11 |
Latitude | 42.7530 ± 0.0056 |
Longitude | 13.1080 ± 0.0116 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 133789 |
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) | 1134.4 |
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 | 10 |
Number of defining phases | 10 |
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) | 0.00405 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01044 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 5 |
Type of magnitude | Md |
Reference to an origin | 133789 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:04:44 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 133789 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 1991-01-08T22:27:10.53 | 10.0 | undecidable | manual | SN | 153 | 1.1544 | -0.52 | 0.1 | |
--.ARV.Z. | 1991-01-08T22:26:58.97 | 10.0 | undecidable | manual | SG | 351 | 0.7437 | 0.38 | 0.3 | |
--.SDI.Z. | 1991-01-08T22:26:54.72 | 10.0 | undecidable | manual | PN | 153 | 1.1544 | 0.38 | 0.6 | |
--.MNS.Z. | 1991-01-08T22:26:49.83 | 10.0 | undecidable | manual | SG | 220 | 0.4773 | -0.07 | 0.9 | |
--.AQU.Z. | 1991-01-08T22:26:49.40 | 10.0 | undecidable | manual | SG | 151 | 0.444 | 0.1 | 0.8 | |
--.ASS.Z. | 1991-01-08T22:26:48.61 | 10.0 | undecidable | manual | SG | 313 | 0.444 | -0.34 | 0.4 | |
--.ARV.Z. | 1991-01-08T22:26:46.83 | 10.0 | undecidable | manual | PG | 351 | 0.7437 | -0.31 | 1.1 | |
--.MNS.Z. | 1991-01-08T22:26:42.22 | 10.0 | undecidable | manual | PG | 220 | 0.4773 | 0.1 | 2.1 | |
--.AQU.Z. | 1991-01-08T22:26:41.37 | 10.0 | undecidable | manual | PG | 151 | 0.444 | -0.2 | 1.7 | |
--.ASS.Z. | 1991-01-08T22:26:41.74 | 10.0 | undecidable | manual | PG | 313 | 0.444 | 0.16 | 1.9 |