A magnitude Md 2.2 earthquake occured in region: 3 km N Monteleone di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.6790, 12.9480 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 |
---|---|---|---|---|
Monteleone di Spoleto | PG | 3 | 599 | 599 |
Poggiodomo | PG | 4 | 117 | 716 |
Cascia | PG | 7 | 3217 | 3933 |
Scheggino | PG | 10 | 461 | 4394 |
Sant'Anatolia di Narco | PG | 11 | 564 | 4958 |
Vallo di Nera | PG | 12 | 364 | 5322 |
Leonessa | RI | 13 | 2435 | 7757 |
Polino | TR | 13 | 233 | 7990 |
Ferentillo | TR | 14 | 1913 | 9903 |
Cerreto di Spoleto | PG | 16 | 1075 | 10978 |
Montefranco | TR | 17 | 1276 | 12254 |
Norcia | PG | 17 | 4957 | 17211 |
Arrone | TR | 18 | 2763 | 19974 |
Spoleto | PG | 18 | 38218 | 58192 |
Cittareale | RI | 19 | 482 | 58674 |
Morro Reatino | RI | 19 | 373 | 59047 |
Rivodutri | RI | 20 | 1253 | 60300 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.2 | 1991-04-04 17:54:31 |
42.679 | 12.948 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 138659 |
Field | Value |
---|---|
Time (UTC) | 1991-04-04 17:54:31 ± 0.121 |
Latitude | 42.6790 ± 0.0102 |
Longitude | 12.9480 ± 0.0180 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 138659 |
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) | 1857.4 |
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 | 7 |
Number of defining phases | 7 |
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) | 0.00300 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00737 |
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 | 2.2 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 138659 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:09:23 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1991-04-04T17:55:00.00 | 10.0 | undecidable | manual | SG | 359 | 0.8214 | 0.43 | 0.1 | |
--.ARV.Z. | 1991-04-04T17:54:47.50 | 10.0 | undecidable | manual | PG | 359 | 0.8214 | -0.14 | 1.2 | |
--.MNS.Z. | 1991-04-04T17:54:44.50 | 10.0 | undecidable | manual | SG | 214 | 0.3552 | -0.11 | 0.7 | |
--.RMF.Z. | 1991-04-04T17:54:43.35 | 10.0 | undecidable | manual | SG | 34 | 0.333 | -0.66 | 0 | |
--.ALP.Z. | 1991-04-04T17:54:41.22 | 10.0 | undecidable | manual | PG | 77 | 0.4551 | 0.14 | 1.6 | |
--.MNS.Z. | 1991-04-04T17:54:39.00 | 10.0 | undecidable | manual | PG | 214 | 0.3552 | 0 | 1.8 | |
--.RMF.Z. | 1991-04-04T17:54:38.80 | 10.0 | undecidable | manual | PG | 34 | 0.333 | 0.14 | 1.6 |