A magnitude Md 2.3 earthquake occured in region: 2 km E Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7860, 12.5510 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 |
---|---|---|---|---|
Massa Martana | PG | 2 | 3770 | 3770 |
Giano dell'Umbria | PG | 6 | 3846 | 7616 |
Acquasparta | TR | 11 | 4778 | 12394 |
Castel Ritaldi | PG | 11 | 3278 | 15672 |
Todi | PG | 12 | 16851 | 32523 |
Gualdo Cattaneo | PG | 14 | 6155 | 38678 |
Montefalco | PG | 15 | 5679 | 44357 |
Collazzone | PG | 15 | 3473 | 47830 |
Montecastrilli | TR | 16 | 5022 | 52852 |
Spoleto | PG | 16 | 38218 | 91070 |
Fratta Todina | PG | 17 | 1839 | 92909 |
Bevagna | PG | 17 | 5081 | 97990 |
Monte Castello di Vibio | PG | 17 | 1567 | 99557 |
Avigliano Umbro | TR | 18 | 2558 | 102115 |
Campello sul Clitunno | PG | 19 | 2442 | 104557 |
Trevi | PG | 19 | 8469 | 113026 |
San Gemini | TR | 19 | 5018 | 118044 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3 | 2004-11-29 04:11:50 |
42.786 | 12.551 | 10 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 508939 |
Field | Value |
---|---|
Time (UTC) | 2004-11-29 04:11:50 ± 0.167 |
Latitude | 42.7860 ± 0.0061 |
Longitude | 12.5510 ± 0.0227 |
Depth (km) | 10 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 508939 |
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) | 1970.8 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 191 |
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) | 0.00364 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00688 |
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 | 4 |
Type of magnitude | Md |
Reference to an origin | 508939 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 01:07:40 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 2004-11-29T04:12:16.46 | 10.0 | undecidable | manual | SG | 21 | 0.7659 | -0.43 | 0.3 | |
--.CING.Z. | 2004-11-29T04:12:16.25 | 10.0 | undecidable | manual | SG | 38 | 0.7437 | -0.19 | 0.6 | |
--.SNTG.Z. | 2004-11-29T04:12:09.75 | 10.0 | undecidable | manual | SG | 31 | 0.5439 | -0.09 | 0.8 | |
--.MURB.Z. | 2004-11-29T04:12:07.39 | 10.0 | undecidable | manual | SG | 357 | 0.4773 | -0.16 | 0.8 | |
--.ARV.Z. | 2004-11-29T04:12:06.17 | 10.0 | undecidable | manual | PG | 21 | 0.7659 | 0.51 | 0.8 | |
--.MNS.Z. | 2004-11-29T04:12:05.86 | 10.0 | undecidable | manual | SG | 166 | 0.3996 | 0.38 | 0.5 | |
--.CING.Z. | 2004-11-29T04:12:05.94 | 10.0 | undecidable | manual | PG | 38 | 0.7437 | 0.54 | 0.8 | |
--.SNTG.Z. | 2004-11-29T04:12:01.43 | 10.0 | undecidable | manual | PG | 31 | 0.5439 | -0.16 | 1.9 | |
--.MURB.Z. | 2004-11-29T04:12:00.31 | 10.0 | undecidable | manual | PG | 357 | 0.4773 | 0.04 | 2.3 | |
--.MNS.Z. | 2004-11-29T04:11:58.72 | 10.0 | undecidable | manual | PG | 166 | 0.3996 | -0.35 | 1.3 |