A magnitude Md 2.4 earthquake occured in region: 4 km SE Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7570, 12.5710 at 3 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 | 8 | 4778 | 8548 |
Giano dell'Umbria | PG | 9 | 3846 | 12394 |
Castel Ritaldi | PG | 11 | 3278 | 15672 |
Todi | PG | 14 | 16851 | 32523 |
Montecastrilli | TR | 14 | 5022 | 37545 |
Spoleto | PG | 14 | 38218 | 75763 |
San Gemini | TR | 16 | 5018 | 80781 |
Avigliano Umbro | TR | 16 | 2558 | 83339 |
Montefalco | PG | 17 | 5679 | 89018 |
Gualdo Cattaneo | PG | 17 | 6155 | 95173 |
Campello sul Clitunno | PG | 18 | 2442 | 97615 |
Collazzone | PG | 19 | 3473 | 101088 |
Trevi | PG | 20 | 8469 | 109557 |
Bevagna | PG | 20 | 5081 | 114638 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.4 | 1988-07-03 14:50:48 |
42.757 | 12.571 | 3 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 72749 |
Field | Value |
---|---|
Time (UTC) | 1988-07-03 14:50:48 ± 0.105 |
Latitude | 42.7570 ± 0.0038 |
Longitude | 12.5710 ± 0.0105 |
Depth (km) | 3 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 72749 |
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) | 961.5 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 167 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 12 |
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) | 0.00275 |
Epicentral distance of station farthest from the epicenter (degree) | 0.01133 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 2.4 |
Uncertainty | |
Num. used stations | 4 |
Type of magnitude | Md |
Reference to an origin | 72749 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:08:48 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SFI.Z. | 1988-07-03T14:51:30.61 | 10.0 | undecidable | manual | SN | 335 | 1.2543 | -0.02 | 0.5 | |
--.ARV.Z. | 1988-07-03T14:51:16.49 | 10.0 | undecidable | manual | SG | 20 | 0.777 | -0.35 | 0.2 | |
--.ALP.Z. | 1988-07-03T14:51:15.31 | 10.0 | undecidable | manual | SG | 87 | 0.7326 | 0.34 | 0.4 | |
--.SFI.Z. | 1988-07-03T14:51:12.71 | 10.0 | undecidable | manual | PN | 335 | 1.2543 | 0.03 | 1.3 | |
--.CM8.Z. | 1988-07-03T14:51:10.72 | 10.0 | undecidable | manual | SG | 43 | 0.5994 | -0.21 | 0.7 | |
--.ARV.Z. | 1988-07-03T14:51:05.19 | 10.0 | undecidable | manual | PG | 20 | 0.777 | 0.48 | 0.2 | |
--.ALP.Z. | 1988-07-03T14:51:03.54 | 10.0 | undecidable | manual | PG | 87 | 0.7326 | -0.09 | 1.6 | |
--.MNS.Z. | 1988-07-03T14:51:03.10 | 10.0 | undecidable | manual | SG | 167 | 0.3774 | 0.16 | 0.6 | |
--.CM8.Z. | 1988-07-03T14:51:01.10 | 10.0 | undecidable | manual | PG | 43 | 0.5994 | -0.29 | 0.8 | |
--.ASS.Z. | 1988-07-03T14:51:00.40 | 10.0 | undecidable | manual | SG | 11 | 0.3108 | 0.23 | 0.4 | |
--.MNS.Z. | 1988-07-03T14:50:56.51 | 10.0 | undecidable | manual | PG | 167 | 0.3774 | -0.13 | 1.6 | |
--.ASS.Z. | 1988-07-03T14:50:55.50 | 10.0 | positive | manual | PG | 11 | 0.3108 | -0.04 | 3.6 |