A magnitude Md 2.3 earthquake occured in region: 3 km E Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7620, 12.5600 at 5 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 |
---|---|---|---|---|
Massa Martana | PG | 3 | 3770 | 3770 |
Acquasparta | TR | 8 | 4778 | 8548 |
Giano dell'Umbria | PG | 8 | 3846 | 12394 |
Castel Ritaldi | PG | 12 | 3278 | 15672 |
Todi | PG | 13 | 16851 | 32523 |
Montecastrilli | TR | 14 | 5022 | 37545 |
Spoleto | PG | 15 | 38218 | 75763 |
Avigliano Umbro | TR | 16 | 2558 | 78321 |
San Gemini | TR | 17 | 5018 | 83339 |
Gualdo Cattaneo | PG | 17 | 6155 | 89494 |
Montefalco | PG | 17 | 5679 | 95173 |
Collazzone | PG | 18 | 3473 | 98646 |
Monte Castello di Vibio | PG | 19 | 1567 | 100213 |
Campello sul Clitunno | PG | 19 | 2442 | 102655 |
Fratta Todina | PG | 19 | 1839 | 104494 |
Bevagna | PG | 20 | 5081 | 109575 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 1991-06-19 02:55:11 |
42.762 | 12.56 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 143719 |
Field | Value |
---|---|
Time (UTC) | 1991-06-19 02:55:11 ± 0.183 |
Latitude | 42.7620 ± 0.0078 |
Longitude | 12.5600 ± 0.0233 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 143719 |
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) | 2092.4 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 166 |
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) | 0.00275 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00866 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 143719 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 19:14:09 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.CRE.Z. | 1991-06-19T02:55:45.56 | 10.0 | undecidable | manual | SG | 332 | 0.9657 | -0.22 | 0.6 | |
--.ARV.Z. | 1991-06-19T02:55:39.11 | 10.0 | undecidable | manual | SG | 20 | 0.777 | -0.97 | 0.1 | |
--.AQU.Z. | 1991-06-19T02:55:38.40 | 10.0 | undecidable | manual | SG | 123 | 0.7326 | -0.19 | 0.7 | |
--.CRE.Z. | 1991-06-19T02:55:31.68 | 10.0 | undecidable | manual | PG | 332 | 0.9657 | 0.21 | 1.6 | |
--.ARV.Z. | 1991-06-19T02:55:29.70 | 10.0 | undecidable | manual | PG | 20 | 0.777 | 0.89 | 0.4 | |
--.AQU.Z. | 1991-06-19T02:55:27.72 | 10.0 | undecidable | manual | PG | 123 | 0.7326 | 0.41 | 1.5 | |
--.MNS.Z. | 1991-06-19T02:55:26.75 | 10.0 | undecidable | manual | SG | 166 | 0.3885 | -0.17 | 0.7 | |
--.ASS.Z. | 1991-06-19T02:55:23.50 | 10.0 | undecidable | manual | SG | 12 | 0.3108 | -0.4 | 0.6 | |
--.MNS.Z. | 1991-06-19T02:55:20.38 | 10.0 | undecidable | manual | PG | 166 | 0.3885 | -0.2 | 1.8 | |
--.ASS.Z. | 1991-06-19T02:55:18.71 | 10.0 | undecidable | manual | PG | 12 | 0.3108 | -0.12 | 2 |