A magnitude Md 2.3 earthquake occured in region: 6 km E Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.8320, 12.9860 at 17 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 |
---|---|---|---|---|
Cerreto di Spoleto | PG | 6 | 1075 | 1075 |
Preci | PG | 7 | 724 | 1799 |
Sellano | PG | 8 | 1079 | 2878 |
Norcia | PG | 10 | 4957 | 7835 |
Vallo di Nera | PG | 12 | 364 | 8199 |
Cascia | PG | 13 | 3217 | 11416 |
Poggiodomo | PG | 14 | 117 | 11533 |
Visso | MC | 14 | 1107 | 12640 |
Castelsantangelo sul Nera | MC | 15 | 281 | 12921 |
Sant'Anatolia di Narco | PG | 16 | 564 | 13485 |
Campello sul Clitunno | PG | 17 | 2442 | 15927 |
Ussita | MC | 18 | 444 | 16371 |
Monte Cavallo | MC | 18 | 145 | 16516 |
Scheggino | PG | 18 | 461 | 16977 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1998-01-18 17:42:07 |
42.832 | 12.986 | 17 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 321049 |
Field | Value |
---|---|
Time (UTC) | 1998-01-18 17:42:07 ± 0.13 |
Latitude | 42.8320 ± 0.0035 |
Longitude | 12.9860 ± 0.0101 |
Depth (km) | 17 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 321049 |
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) | 915.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 117 |
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) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00081 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00599 |
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 | 3 |
Type of magnitude | Md |
Reference to an origin | 321049 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:01:00 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1998-01-18T17:42:31.62 | 10.0 | undecidable | manual | SG | 357 | 0.666 | 0.25 | 0.2 | |
--.MNS.Z. | 1998-01-18T17:42:25.90 | 10.0 | undecidable | manual | SG | 206 | 0.4995 | -0.19 | 0.4 | |
--.SNTG.Z. | 1998-01-18T17:42:23.50 | 10.0 | undecidable | manual | SG | 355 | 0.4218 | -0.15 | 0.6 | |
--.ASS.Z. | 1998-01-18T17:42:21.00 | 10.0 | undecidable | manual | SG | 313 | 0.333 | 0.09 | 0.8 | |
--.ARV.Z. | 1998-01-18T17:42:21.28 | 10.0 | undecidable | manual | PG | 357 | 0.666 | -0.19 | 0.9 | |
--.MNS.Z. | 1998-01-18T17:42:18.42 | 10.0 | undecidable | manual | PG | 206 | 0.4995 | 0.01 | 2 | |
--.SNTG.Z. | 1998-01-18T17:42:16.95 | 10.0 | undecidable | manual | PG | 355 | 0.4218 | -0.06 | 2.1 | |
--.ASS.Z. | 1998-01-18T17:42:15.50 | 10.0 | undecidable | manual | PG | 313 | 0.333 | 0.07 | 2.1 | |
--.NRCA.Z. | 1998-01-18T17:42:14.30 | 10.0 | undecidable | manual | SG | 89 | 0.0888 | -0.32 | 0.1 | |
--.NRCA.Z. | 1998-01-18T17:42:11.90 | 10.0 | undecidable | manual | PG | 89 | 0.0888 | 0.26 | 0.7 |