A magnitude Md 2.0 earthquake occured in region: 5 km E Trevi (PG), on
and geographic coordinates (lat, lon) 42.8740, 12.8110 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 |
---|---|---|---|---|
Trevi | PG | 5 | 8469 | 8469 |
Campello sul Clitunno | PG | 7 | 2442 | 10911 |
Sellano | PG | 10 | 1079 | 11990 |
Cerreto di Spoleto | PG | 11 | 1075 | 13065 |
Vallo di Nera | PG | 12 | 364 | 13429 |
Castel Ritaldi | PG | 13 | 3278 | 16707 |
Foligno | PG | 13 | 57155 | 73862 |
Montefalco | PG | 13 | 5679 | 79541 |
Sant'Anatolia di Narco | PG | 16 | 564 | 80105 |
Spoleto | PG | 17 | 38218 | 118323 |
Spello | PG | 17 | 8645 | 126968 |
Bevagna | PG | 18 | 5081 | 132049 |
Scheggino | PG | 18 | 461 | 132510 |
Preci | PG | 19 | 724 | 133234 |
Giano dell'Umbria | PG | 20 | 3846 | 137080 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0
M 2.8 |
1991-03-22 12:41:40 |
42.874 | 12.811 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 138059 |
Field | Value |
---|---|
Time (UTC) | 1991-03-22 12:41:40 ± 0.279 |
Latitude | 42.8740 ± 0.0147 |
Longitude | 12.8110 ± 0.0188 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 138059 |
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) | 2236.3 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 137 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.3 |
Epicentral distance of station closest to the epicenter (degree) | 0.00194 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00567 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 138059 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:08:49 |
Field | Value |
---|---|
Value | 2.8 |
Uncertainty | |
Num. used stations | |
Type of magnitude | M |
Reference to an origin | 138059 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1991-03-22T12:42:03.44 | 10.0 | undecidable | manual | SG | 8 | 0.6327 | 0.52 | 0.3 | |
--.ALP.Z. | 1991-03-22T12:42:00.36 | 10.0 | undecidable | manual | SG | 99 | 0.555 | -0.3 | 0.5 | |
--.MNS.Z. | 1991-03-22T12:41:57.55 | 10.0 | undecidable | manual | SG | 191 | 0.4995 | -1.06 | 0 | |
--.CIO.Z. | 1991-03-22T12:41:56.00 | 10.0 | undecidable | manual | SG | 36 | 0.3996 | 0.46 | 0.6 | |
--.ARV.Z. | 1991-03-22T12:41:53.13 | 10.0 | undecidable | manual | PG | 8 | 0.6327 | -0.41 | 1 | |
--.ALP.Z. | 1991-03-22T12:41:52.31 | 10.0 | undecidable | manual | PG | 99 | 0.555 | 0.08 | 1.6 | |
--.MNS.Z. | 1991-03-22T12:41:51.79 | 10.0 | undecidable | manual | PG | 191 | 0.4995 | 0.74 | 0.4 | |
--.CIO.Z. | 1991-03-22T12:41:49.11 | 10.0 | undecidable | manual | PG | 36 | 0.3996 | -0.16 | 3.3 | |
--.ASS.Z. | 1991-03-22T12:41:49.50 | 10.0 | undecidable | manual | SG | 328 | 0.2109 | -0.24 | 0.6 | |
--.ASS.Z. | 1991-03-22T12:41:46.00 | 10.0 | undecidable | manual | PG | 328 | 0.2109 | 0.07 | 1.7 |