A magnitude Md 2.2 earthquake occured in region: 3 km SW Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7920, 12.9030 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 |
---|---|---|---|---|
Cerreto di Spoleto | PG | 3 | 1075 | 1075 |
Vallo di Nera | PG | 4 | 364 | 1439 |
Sant'Anatolia di Narco | PG | 8 | 564 | 2003 |
Poggiodomo | PG | 9 | 117 | 2120 |
Scheggino | PG | 11 | 461 | 2581 |
Campello sul Clitunno | PG | 11 | 2442 | 5023 |
Sellano | PG | 11 | 1079 | 6102 |
Cascia | PG | 12 | 3217 | 9319 |
Preci | PG | 15 | 724 | 10043 |
Spoleto | PG | 15 | 38218 | 48261 |
Norcia | PG | 16 | 4957 | 53218 |
Trevi | PG | 16 | 8469 | 61687 |
Monteleone di Spoleto | PG | 16 | 599 | 62286 |
Castel Ritaldi | PG | 19 | 3278 | 65564 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1987-05-25 15:41:11 |
42.792 | 12.903 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 47739 |
Field | Value |
---|---|
Time (UTC) | 1987-05-25 15:41:11 ± 0.116 |
Latitude | 42.7920 ± 0.0038 |
Longitude | 12.9030 ± 0.0169 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 47739 |
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) | 1440.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 199 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
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) | 0.00291 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00631 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 47739 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 17:46:45 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1987-05-25T15:41:36.00 | 10.0 | undecidable | manual | SG | 2 | 0.6993 | -0.32 | 0.1 | |
--.MNS.Z. | 1987-05-25T15:41:27.50 | 10.0 | undecidable | manual | SG | 201 | 0.4329 | -0.21 | 0.3 | |
--.ARV.Z. | 1987-05-25T15:41:26.00 | 10.0 | undecidable | manual | PG | 2 | 0.6993 | 0.08 | 1.5 | |
--.ASS.Z. | 1987-05-25T15:41:24.00 | 10.0 | undecidable | manual | SG | 325 | 0.3219 | -0.1 | 0.7 | |
--.MNS.Z. | 1987-05-25T15:41:21.00 | 10.0 | undecidable | manual | PG | 201 | 0.4329 | 0.05 | 2 | |
--.ASS.Z. | 1987-05-25T15:41:19.00 | 10.0 | undecidable | manual | PG | 325 | 0.3219 | 0.13 | 1.4 |