A magnitude Md 2.2 earthquake occured in region: 3 km SE Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7520, 12.5490 at 26 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 | 7 | 4778 | 8548 |
Giano dell'Umbria | PG | 10 | 3846 | 12394 |
Todi | PG | 12 | 16851 | 29245 |
Montecastrilli | TR | 12 | 5022 | 34267 |
Castel Ritaldi | PG | 13 | 3278 | 37545 |
Avigliano Umbro | TR | 15 | 2558 | 40103 |
San Gemini | TR | 15 | 5018 | 45121 |
Spoleto | PG | 16 | 38218 | 83339 |
Gualdo Cattaneo | PG | 18 | 6155 | 89494 |
Montefalco | PG | 18 | 5679 | 95173 |
Collazzone | PG | 18 | 3473 | 98646 |
Monte Castello di Vibio | PG | 19 | 1567 | 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 2.2
ML-VAX 1.5 |
1988-10-10 00:32:54 |
42.752 | 12.549 | 26 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 78439 |
Field | Value |
---|---|
Time (UTC) | 1988-10-10 00:32:54 ± 0.414 |
Latitude | 42.7520 ± 0.0053 |
Longitude | 12.5490 ± 0.1201 |
Depth (km) | 26 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 78439 |
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) | 9824.7 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 208 |
Number of associated phases, regardless of their use for origin computation | 6 |
Number of defining phases | 6 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.00283 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00712 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 2.2 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 78439 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:13:46 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 78439 |
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 |
---|---|---|---|---|---|---|---|---|---|---|
--.ARV.Z. | 1988-10-10T00:33:21.53 | 10.0 | undecidable | manual | SN | 21 | 0.7881 | 0.35 | 0 | |
--.ARV.Z. | 1988-10-10T00:33:09.77 | 10.0 | undecidable | manual | PN | 21 | 0.7881 | -0.24 | 0.3 | |
--.MNS.Z. | 1988-10-10T00:33:09.88 | 10.0 | undecidable | manual | SG | 165 | 0.3774 | -0.11 | 0.4 | |
--.ASS.Z. | 1988-10-10T00:33:08.80 | 10.0 | undecidable | manual | SG | 13 | 0.3108 | -0.23 | 0.2 | |
--.MNS.Z. | 1988-10-10T00:33:03.59 | 10.0 | positive | manual | PG | 165 | 0.3774 | 0.04 | 2.6 | |
--.ASS.Z. | 1988-10-10T00:33:02.66 | 10.0 | positive | manual | PG | 13 | 0.3108 | 0.08 | 2.4 |