A magnitude Md 2.1 earthquake occured in region: 4 km SW Trevi (PG), on
and geographic coordinates (lat, lon) 42.8430, 12.7280 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 | 4 | 8469 | 8469 |
Campello sul Clitunno | PG | 5 | 2442 | 10911 |
Castel Ritaldi | PG | 5 | 3278 | 14189 |
Montefalco | PG | 8 | 5679 | 19868 |
Spoleto | PG | 12 | 38218 | 58086 |
Giano dell'Umbria | PG | 12 | 3846 | 61932 |
Foligno | PG | 13 | 57155 | 119087 |
Vallo di Nera | PG | 14 | 364 | 119451 |
Bevagna | PG | 14 | 5081 | 124532 |
Sant'Anatolia di Narco | PG | 15 | 564 | 125096 |
Cerreto di Spoleto | PG | 16 | 1075 | 126171 |
Gualdo Cattaneo | PG | 16 | 6155 | 132326 |
Scheggino | PG | 17 | 461 | 132787 |
Sellano | PG | 17 | 1079 | 133866 |
Spello | PG | 17 | 8645 | 142511 |
Massa Martana | PG | 18 | 3770 | 146281 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
ML-VAX 1.9 |
1988-07-04 09:52:49 |
42.843 | 12.728 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 72759 |
Field | Value |
---|---|
Time (UTC) | 1988-07-04 09:52:49 ± 1.199 |
Latitude | 42.8430 ± 0.0614 |
Longitude | 12.7280 ± 0.0418 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 72759 |
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) | 7627.2 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 305 |
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) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00202 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00599 |
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 | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 72759 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:08:49 |
Field | Value |
---|---|
Value | 1.9 |
Uncertainty | |
Num. used stations | 1 |
Type of magnitude | ML |
Reference to an origin | 72759 |
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. | 1988-07-04T09:53:14.00 | 10.0 | undecidable | manual | SG | 13 | 0.666 | 1.05 | 0.2 | |
--.CM8.Z. | 1988-07-04T09:53:05.73 | 10.0 | undecidable | manual | SG | 40 | 0.4551 | -0.5 | 0.9 | |
--.ARV.Z. | 1988-07-04T09:53:03.80 | 10.0 | undecidable | manual | PG | 13 | 0.666 | 0.8 | 0.8 | |
--.CM8.Z. | 1988-07-04T09:52:58.76 | 10.0 | undecidable | manual | PG | 40 | 0.4551 | -0.36 | 1.8 | |
--.ASS.Z. | 1988-07-04T09:52:57.59 | 10.0 | undecidable | manual | SG | 345 | 0.222 | -0.98 | 0.3 | |
--.ASS.Z. | 1988-07-04T09:52:54.52 | 10.0 | undecidable | manual | PG | 345 | 0.222 | -0.17 | 2.1 |