A magnitude Md 2.1 earthquake occured in region: 5 km S Cascia (PG), on
and geographic coordinates (lat, lon) 42.6760, 13.0260 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 |
---|---|---|---|---|
Cascia | PG | 5 | 3217 | 3217 |
Monteleone di Spoleto | PG | 7 | 599 | 3816 |
Poggiodomo | PG | 8 | 117 | 3933 |
Cittareale | RI | 13 | 482 | 4415 |
Leonessa | RI | 14 | 2435 | 6850 |
Norcia | PG | 14 | 4957 | 11807 |
Scheggino | PG | 16 | 461 | 12268 |
Sant'Anatolia di Narco | PG | 17 | 564 | 12832 |
Vallo di Nera | PG | 17 | 364 | 13196 |
Posta | RI | 18 | 694 | 13890 |
Polino | TR | 18 | 233 | 14123 |
Cerreto di Spoleto | PG | 18 | 1075 | 15198 |
Accumoli | RI | 18 | 667 | 15865 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
M 2.3 |
1991-03-16 06:11:55 |
42.676 | 13.026 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 137579 |
Field | Value |
---|---|
Time (UTC) | 1991-03-16 06:11:55 ± 0.095 |
Latitude | 42.6760 ± 0.0055 |
Longitude | 13.0260 ± 0.0071 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 137579 |
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) | 844.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 145 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.00340 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00469 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 137579 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:08:19 |
Field | Value |
---|---|
Value | 2.3 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 137579 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 09:32:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CIO.Z. | 1991-03-16T06:12:14.40 | 10.0 | undecidable | manual | SG | 9 | 0.5217 | 0.22 | 0.7 | |
--.ASS.Z. | 1991-03-16T06:12:12.00 | 10.0 | undecidable | manual | SG | 324 | 0.4662 | -0.13 | 0.7 | |
--.MNS.Z. | 1991-03-16T06:12:09.00 | 10.0 | undecidable | manual | SG | 220 | 0.3774 | -0.37 | 0.2 | |
--.ALP.Z. | 1991-03-16T06:12:09.91 | 10.0 | undecidable | manual | SG | 74 | 0.3996 | -0.24 | 0.7 | |
--.ASS.Z. | 1991-03-16T06:12:05.00 | 10.0 | undecidable | manual | PG | 324 | 0.4662 | 0.09 | 1.9 | |
--.CIO.Z. | 1991-03-16T06:12:05.61 | 10.0 | undecidable | manual | PG | 9 | 0.5217 | -0.27 | 0.9 | |
--.MNS.Z. | 1991-03-16T06:12:03.50 | 10.0 | undecidable | manual | PG | 220 | 0.3774 | 0.19 | 1.5 | |
--.ALP.Z. | 1991-03-16T06:12:03.97 | 10.0 | undecidable | manual | PG | 74 | 0.3996 | 0.21 | 1.4 |