A magnitude Md 2.0 earthquake occured in region: 4 km SE Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7460, 12.5410 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 | 4 | 3770 | 3770 |
Acquasparta | TR | 6 | 4778 | 8548 |
Giano dell'Umbria | PG | 10 | 3846 | 12394 |
Montecastrilli | TR | 11 | 5022 | 17416 |
Todi | PG | 12 | 16851 | 34267 |
Avigliano Umbro | TR | 14 | 2558 | 36825 |
Castel Ritaldi | PG | 14 | 3278 | 40103 |
San Gemini | TR | 15 | 5018 | 45121 |
Spoleto | PG | 16 | 38218 | 83339 |
Gualdo Cattaneo | PG | 18 | 6155 | 89494 |
Collazzone | PG | 19 | 3473 | 92967 |
Monte Castello di Vibio | PG | 19 | 1567 | 94534 |
Montefalco | PG | 19 | 5679 | 100213 |
Fratta Todina | PG | 19 | 1839 | 102052 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.0 | 1998-03-17 00:45:54 |
42.746 | 12.541 | 5 | 2013-07-15 08:41:04 |
Bollettino Sismico Italiano INGV | 325319 |
Field | Value |
---|---|
Time (UTC) | 1998-03-17 00:45:54 ± 0.337 |
Latitude | 42.7460 ± 0.0094 |
Longitude | 12.5410 ± 0.0267 |
Depth (km) | 5 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 325319 |
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) | 2419.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 210 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
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) | 0.00291 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00526 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.0 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 325319 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 22:04:59 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SNTG.Z. | 1998-03-17T00:46:15.48 | 10.0 | undecidable | manual | SG | 29 | 0.5883 | -0.98 | 0 | |
--.NRCA.Z. | 1998-03-17T00:46:11.76 | 10.0 | undecidable | manual | SG | 78 | 0.4218 | 0.4 | 0.4 | |
--.MNS.Z. | 1998-03-17T00:46:09.65 | 10.0 | undecidable | manual | SG | 164 | 0.3663 | 0.33 | 0.5 | |
--.ASS.Z. | 1998-03-17T00:46:07.84 | 10.0 | undecidable | manual | SG | 14 | 0.3219 | 0.37 | 0.4 | |
--.SNTG.Z. | 1998-03-17T00:46:06.97 | 10.0 | undecidable | manual | PG | 29 | 0.5883 | -0.32 | 1 | |
--.NRCA.Z. | 1998-03-17T00:46:04.31 | 10.0 | positive | manual | PG | 78 | 0.4218 | -0.03 | 3.4 | |
--.ASS.Z. | 1998-03-17T00:46:02.60 | 10.0 | undecidable | manual | PG | 14 | 0.3219 | 0.5 | 0.7 | |
--.MNS.Z. | 1998-03-17T00:46:02.99 | 10.0 | undecidable | manual | PG | 164 | 0.3663 | -0.17 | 1.5 |