A magnitude Md 2.3 earthquake occured in region: 1 km NE Marsciano (PG), on
and geographic coordinates (lat, lon) 42.9220, 12.3470 at 30 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 |
---|---|---|---|---|
Marsciano | PG | 1 | 18902 | 18902 |
Fratta Todina | PG | 7 | 1839 | 20741 |
Collazzone | PG | 8 | 3473 | 24214 |
San Venanzo | TR | 9 | 2218 | 26432 |
Monte Castello di Vibio | PG | 9 | 1567 | 27999 |
Deruta | PG | 9 | 9669 | 37668 |
Torgiano | PG | 14 | 6725 | 44393 |
Bettona | PG | 15 | 4367 | 48760 |
Todi | PG | 16 | 16851 | 65611 |
Gualdo Cattaneo | PG | 17 | 6155 | 71766 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.3
ML-VAX 1.6 |
1997-07-07 23:37:49 |
42.922 | 12.347 | 30 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 272869 |
Field | Value |
---|---|
Time (UTC) | 1997-07-07 23:37:49 ± 0.787 |
Latitude | 42.9220 ± 0.0205 |
Longitude | 12.3470 ± 0.1071 |
Depth (km) | 30 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 272869 |
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) | 9010.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 241 |
Number of associated phases, regardless of their use for origin computation | 7 |
Number of defining phases | 7 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.2 |
Epicentral distance of station closest to the epicenter (degree) | 0.00235 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01457 |
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 | 2.3 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 272869 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 21:17:52 |
Field | Value |
---|---|
Value | 1.6 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 272869 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 1997-07-07T23:38:16.53 | 10.0 | undecidable | manual | PN | 137 | 1.6206 | 0.82 | 0.2 | |
--.ARV.Z. | 1997-07-07T23:38:13.71 | 10.0 | undecidable | manual | SN | 37 | 0.7215 | 0.33 | 0.5 | |
--.MNS.Z. | 1997-07-07T23:38:09.64 | 10.0 | undecidable | manual | SN | 155 | 0.5883 | -0.61 | 0.1 | |
--.ARV.Z. | 1997-07-07T23:38:03.22 | 10.0 | negative | manual | PN | 37 | 0.7215 | -0.1 | 2.9 | |
--.ASS.Z. | 1997-07-07T23:38:01.94 | 10.0 | undecidable | manual | SG | 57 | 0.2553 | -0.48 | 0.4 | |
--.MNS.Z. | 1997-07-07T23:38:01.46 | 10.0 | undecidable | manual | PN | 155 | 0.5883 | -0.05 | 1.5 | |
--.ASS.Z. | 1997-07-07T23:37:57.18 | 10.0 | undecidable | manual | PG | 57 | 0.2553 | 0.19 | 1.5 |