A magnitude Md 2.5 earthquake occured in region: 5 km SE Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7840, 12.9540 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 | 5 | 1075 | 1075 |
Vallo di Nera | PG | 8 | 364 | 1439 |
Poggiodomo | PG | 8 | 117 | 1556 |
Cascia | PG | 9 | 3217 | 4773 |
Sant'Anatolia di Narco | PG | 11 | 564 | 5337 |
Norcia | PG | 12 | 4957 | 10294 |
Sellano | PG | 12 | 1079 | 11373 |
Scheggino | PG | 13 | 461 | 11834 |
Preci | PG | 13 | 724 | 12558 |
Monteleone di Spoleto | PG | 15 | 599 | 13157 |
Campello sul Clitunno | PG | 15 | 2442 | 15599 |
Spoleto | PG | 18 | 38218 | 53817 |
Trevi | PG | 20 | 8469 | 62286 |
Visso | MC | 20 | 1107 | 63393 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.5
ML-VAX 1.7 |
1991-07-21 16:42:23 |
42.784 | 12.954 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 145949 |
Field | Value |
---|---|
Time (UTC) | 1991-07-21 16:42:23 ± 0.137 |
Latitude | 42.7840 ± 0.0086 |
Longitude | 12.9540 ± 0.0129 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 145949 |
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) | 1422.1 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 112 |
Number of associated phases, regardless of their use for origin computation | 15 |
Number of defining phases | 15 |
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) | 0.00227 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01117 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 2.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 145949 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:16:15 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 145949 |
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. | 1991-07-21T16:42:49.50 | 10.0 | undecidable | manual | SG | 359 | 0.7104 | 1.35 | 0 | |
--.SDI.Z. | 1991-07-21T16:42:47.00 | 10.0 | undecidable | manual | PN | 149 | 1.2432 | 0.52 | 0.4 | |
--.CRE.Z. | 1991-07-21T16:42:44.50 | 10.0 | undecidable | manual | PN | 319 | 1.11 | -0.1 | 1.1 | |
--.ALP.Z. | 1991-07-21T16:42:39.85 | 10.0 | undecidable | manual | SG | 90 | 0.444 | 0.2 | 0.6 | |
--.MNS.Z. | 1991-07-21T16:42:39.60 | 10.0 | undecidable | manual | SG | 206 | 0.444 | -0.52 | 0.3 | |
--.CIO.Z. | 1991-07-21T16:42:38.21 | 10.0 | undecidable | manual | SG | 18 | 0.4329 | -0.91 | 0 | |
--.ARV.Z. | 1991-07-21T16:42:37.45 | 10.0 | undecidable | manual | PG | 359 | 0.7104 | -0.2 | 1.3 | |
--.ASS.Z. | 1991-07-21T16:42:36.91 | 10.0 | undecidable | manual | SG | 321 | 0.3552 | 0.29 | 0.5 | |
--.AQU.Z. | 1991-07-21T16:42:34.56 | 10.0 | undecidable | manual | PG | 142 | 0.5439 | 0.1 | 1.7 | |
--.RMF.Z. | 1991-07-21T16:42:33.14 | 10.0 | undecidable | manual | SG | 47 | 0.2553 | -0.18 | 0.6 | |
--.MNS.Z. | 1991-07-21T16:42:32.62 | 10.0 | undecidable | manual | PG | 206 | 0.444 | -0.08 | 1.7 | |
--.CIO.Z. | 1991-07-21T16:42:32.23 | 10.0 | undecidable | manual | PG | 18 | 0.4329 | -0.21 | 1.5 | |
--.ALP.Z. | 1991-07-21T16:42:32.53 | 10.0 | undecidable | manual | PG | 90 | 0.444 | -0.21 | 1.5 | |
--.ASS.Z. | 1991-07-21T16:42:30.91 | 10.0 | undecidable | manual | PG | 321 | 0.3552 | -0.09 | 1.7 | |
--.RMF.Z. | 1991-07-21T16:42:29.12 | 10.0 | undecidable | manual | PG | 47 | 0.2553 | 0.03 | 1.8 |