A magnitude ML 1.1 earthquake occured in region: 4 km E Massa Martana (PG), on
and geographic coordinates (lat, lon) 42.7810, 12.5720 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 |
Giano dell'Umbria | PG | 6 | 3846 | 7616 |
Castel Ritaldi | PG | 10 | 3278 | 10894 |
Acquasparta | TR | 10 | 4778 | 15672 |
Todi | PG | 13 | 16851 | 32523 |
Montefalco | PG | 14 | 5679 | 38202 |
Gualdo Cattaneo | PG | 14 | 6155 | 44357 |
Spoleto | PG | 15 | 38218 | 82575 |
Montecastrilli | TR | 16 | 5022 | 87597 |
Collazzone | PG | 17 | 3473 | 91070 |
Campello sul Clitunno | PG | 17 | 2442 | 93512 |
Bevagna | PG | 17 | 5081 | 98593 |
Trevi | PG | 18 | 8469 | 107062 |
Avigliano Umbro | TR | 18 | 2558 | 109620 |
San Gemini | TR | 19 | 5018 | 114638 |
Fratta Todina | PG | 19 | 1839 | 116477 |
Monte Castello di Vibio | PG | 19 | 1567 | 118044 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.8
ML 1.1 |
2009-02-21 03:24:22 |
42.781 | 12.572 | 3 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 745449 |
Field | Value |
---|---|
Time (UTC) | 2009-02-21 03:24:22 ± 0.12 |
Latitude | 42.7810 ± 0.0063 |
Longitude | 12.5720 ± 0.0074 |
Depth (km) | 3 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 745449 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 842 |
Semi-minor axis of confidence ellipse (meter) | 579 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 40 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 922.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 123 |
Number of associated phases, regardless of their use for origin computation | 12 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.37 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.48294 |
Number of stations at which the event was observed | 7 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 745449 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 14:05:49 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 745449 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 14:05:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MURB.HHE. | 2009-02-21T03:24:41.69 | 0.6 | undecidable | manual | Sg | 356 | 53.6019 | 0.345 | 47 | |
IV.NRCA.HHN. | 2009-02-21T03:24:38.17 | 0.6 | undecidable | manual | Sg | 82 | 44.5221 | -0.003 | 51 | |
IV.MNS.HHE. | 2009-02-21T03:24:38.20 | 0.6 | undecidable | manual | Sg | 169 | 44.7219 | -0.056 | 51 | |
IV.LNSS.HHZ. | 2009-02-21T03:24:37.66 | 0.6 | undecidable | manual | Sg | 117 | 42.9237 | 0.02 | 51 | |
IV.MGAB.HHE. | 2009-02-21T03:24:36.34 | 0.6 | undecidable | manual | Sg | 292 | 40.2264 | -0.344 | 48 | |
IV.CESI.HHN. | 2009-02-21T03:24:35.58 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 | ||
IV.MURB.HHE. | 2009-02-21T03:24:32.85 | 0.6 | undecidable | manual | Pg | 356 | 53.6019 | -0.619 | 43 | |
IV.NRCA.HHN. | 2009-02-21T03:24:31.48 | 0.3 | undecidable | manual | Pg | 82 | 44.5221 | -0.156 | 75 | |
IV.MNS.HHE. | 2009-02-21T03:24:31.65 | 0.3 | undecidable | manual | Pg | 169 | 44.7219 | -0.035 | 76 | |
IV.MGAB.HHE. | 2009-02-21T03:24:31.19 | 0.3 | undecidable | manual | Pg | 292 | 40.2264 | 0.413 | 71 | |
IV.LNSS.HHZ. | 2009-02-21T03:24:31.47 | 0.1 | undecidable | manual | Pg | 117 | 42.9237 | 0.141 | 100 | |
IV.SENI.EHN. | 2009-02-21T03:24:16.87 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |