A magnitude Md 2.5 earthquake occured in region: 3 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7900, 13.1260 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 | 3 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 12 | 281 | 5238 |
Cascia | PG | 12 | 3217 | 8455 |
Preci | PG | 12 | 724 | 9179 |
Arquata del Tronto | AP | 14 | 1178 | 10357 |
Accumoli | RI | 15 | 667 | 11024 |
Visso | MC | 16 | 1107 | 12131 |
Ussita | MC | 17 | 444 | 12575 |
Cerreto di Spoleto | PG | 17 | 1075 | 13650 |
Poggiodomo | PG | 18 | 117 | 13767 |
Montegallo | AP | 18 | 523 | 14290 |
Cittareale | RI | 19 | 482 | 14772 |
Sellano | PG | 20 | 1079 | 15851 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5 | 1985-07-12 08:23:29 |
42.79 | 13.126 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 10019 |
Field | Value |
---|---|
Time (UTC) | 1985-07-12 08:23:29 ± 0.24 |
Latitude | 42.7900 ± 0.0153 |
Longitude | 13.1260 ± 0.0167 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 10019 |
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) | 2185.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 120 |
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) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00227 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00745 |
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 | 2.5 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 10019 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:13:43 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.MNS.Z. | 1985-07-12T08:23:47.50 | 10.0 | undecidable | manual | SG | 218 | 0.5106 | -0.79 | 0.5 | |
--.AS1.Z. | 1985-07-12T08:23:46.00 | 10.0 | undecidable | manual | SG | 308 | 0.4329 | 0.3 | 1 | |
--.AM1.Z. | 1985-07-12T08:23:45.40 | 10.0 | undecidable | manual | PG | 24 | 0.8214 | -0.84 | 0.5 | |
--.ALP.Z. | 1985-07-12T08:23:42.30 | 10.0 | undecidable | manual | SG | 91 | 0.3219 | 0.34 | 0.9 | |
--.PO9.Z. | 1985-07-12T08:23:40.00 | 10.0 | undecidable | manual | SG | 211 | 0.2553 | 0.26 | 1 | |
--.AS1.Z. | 1985-07-12T08:23:40.00 | 10.0 | undecidable | manual | PG? | 308 | 0.4329 | 1.08 | 0.2 | |
--.MNS.Z. | 1985-07-12T08:23:39.50 | 10.0 | undecidable | manual | PG | 218 | 0.5106 | -0.91 | 0.6 | |
--.PO9.Z. | 1985-07-12T08:23:36.00 | 10.0 | positive | manual | PG | 211 | 0.2553 | 0.53 | 2.6 | |
--.ALP.Z. | 1985-07-12T08:23:36.90 | 10.0 | undecidable | manual | PG | 91 | 0.3219 | 0.14 | 1.8 |