A magnitude Md 2.4 earthquake occured in region: 6 km SE Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7760, 12.9680 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 | 6 | 1075 | 1075 |
Cascia | PG | 7 | 3217 | 4292 |
Poggiodomo | PG | 8 | 117 | 4409 |
Vallo di Nera | PG | 9 | 364 | 4773 |
Norcia | PG | 10 | 4957 | 9730 |
Sant'Anatolia di Narco | PG | 12 | 564 | 10294 |
Preci | PG | 13 | 724 | 11018 |
Sellano | PG | 13 | 1079 | 12097 |
Scheggino | PG | 13 | 461 | 12558 |
Monteleone di Spoleto | PG | 14 | 599 | 13157 |
Campello sul Clitunno | PG | 16 | 2442 | 15599 |
Spoleto | PG | 19 | 38218 | 53817 |
Visso | MC | 20 | 1107 | 54924 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4
ML-VAX 1.7 |
1991-07-04 11:53:18 |
42.776 | 12.968 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 144619 |
Field | Value |
---|---|
Time (UTC) | 1991-07-04 11:53:18 ± 0.362 |
Latitude | 42.7760 ± 0.0151 |
Longitude | 12.9680 ± 0.0404 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 144619 |
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) | 3699.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 119 |
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) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00324 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00648 |
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 | 2.4 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 144619 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:15:02 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 144619 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1991-07-04T11:53:44.37 | 10.0 | undecidable | manual | SG | 358 | 0.7215 | 0.8 | 0.2 | |
--.ALP.Z. | 1991-07-04T11:53:35.90 | 10.0 | undecidable | manual | SG | 88 | 0.4329 | 1.42 | 0 | |
--.MNS.Z. | 1991-07-04T11:53:34.49 | 10.0 | undecidable | manual | SG | 208 | 0.444 | -0.13 | 0.7 | |
--.ARV.Z. | 1991-07-04T11:53:32.84 | 10.0 | undecidable | manual | PG | 358 | 0.7215 | -0.11 | 1.4 | |
--.ASS.Z. | 1991-07-04T11:53:31.59 | 10.0 | undecidable | manual | SG | 321 | 0.3552 | -0.59 | 0.4 | |
--.MNS.Z. | 1991-07-04T11:53:28.14 | 10.0 | undecidable | manual | PG | 208 | 0.444 | 0.36 | 1.4 | |
--.ASS.Z. | 1991-07-04T11:53:26.45 | 10.0 | positive | manual | PG | 321 | 0.3552 | 0.08 | 3.4 | |
--.ALP.Z. | 1991-07-04T11:53:26.70 | 10.0 | undecidable | manual | PG | 88 | 0.4329 | -1 | 0.4 |