A magnitude ML 0.9 earthquake occured in region: 2 km SW Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.8820, 13.1400 at 11 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 |
---|---|---|---|---|
Castelsantangelo sul Nera | MC | 2 | 281 | 281 |
Visso | MC | 7 | 1107 | 1388 |
Ussita | MC | 7 | 444 | 1832 |
Preci | PG | 8 | 724 | 2556 |
Norcia | PG | 11 | 4957 | 7513 |
Bolognola | MC | 15 | 142 | 7655 |
Montemonaco | AP | 15 | 604 | 8259 |
Montegallo | AP | 16 | 523 | 8782 |
Acquacanina | MC | 17 | 121 | 8903 |
Monte Cavallo | MC | 17 | 145 | 9048 |
Fiastra | MC | 17 | 559 | 9607 |
Sellano | PG | 17 | 1079 | 10686 |
Arquata del Tronto | AP | 18 | 1178 | 11864 |
Montefortino | FM | 18 | 1178 | 13042 |
Fiordimonte | MC | 18 | 202 | 13244 |
Cerreto di Spoleto | PG | 19 | 1075 | 14319 |
Pieve Torina | MC | 20 | 1458 | 15777 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.5
ML 0.9 |
2009-02-23 08:22:45 |
42.882 | 13.14 | 11 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 745959 |
Field | Value |
---|---|
Time (UTC) | 2009-02-23 08:22:45 ± 0.07 |
Latitude | 42.8820 ± 0.0018 |
Longitude | 13.1400 ± 0.0098 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 745959 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 838 |
Semi-minor axis of confidence ellipse (meter) | 156 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 81 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 824.6 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 209 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.09 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28868 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 745959 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 14:06:24 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 745959 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 14:06:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LNSS.HHZ. | 2009-02-23T08:22:56.36 | 0.3 | undecidable | manual | Sg | 195 | 32.0457 | 0.017 | 73 | |
IV.CESI.HHN. | 2009-02-23T08:22:54.07 | 0.3 | undecidable | manual | Sg | 305 | 23.4543 | 0.024 | 74 | |
IV.FDMO.HHN. | 2009-02-23T08:22:52.32 | 0.3 | undecidable | manual | Sg | 346 | 17.6712 | -0.018 | 75 | |
IV.LNSS.HHZ. | 2009-02-23T08:22:51.57 | 0.3 | undecidable | manual | Pg | 195 | 32.0457 | -0.068 | 72 | |
IV.CESI.HHN. | 2009-02-23T08:22:50.30 | 0.1 | undecidable | manual | Pg | 305 | 23.4543 | -0.012 | 99 | |
IV.FDMO.HHN. | 2009-02-23T08:22:49.32 | 0.1 | undecidable | manual | Pg | 346 | 17.6712 | -0.006 | 100 | |
IV.NRCA.HHZ. | 2009-02-23T08:22:49.27 | 0.6 | undecidable | manual | Sg | 201 | 5.7942 | -0.122 | 50 | |
IV.NRCA.HHZ. | 2009-02-23T08:22:47.74 | 0.1 | positive | manual | Pg | 201 | 5.7942 | 0.116 | 100 | |
IV.PRMA.HHZ. | 2009-02-23T08:22:45.52 | 10.0 | undecidable | manual | Pg | 0 | 0 | 0 |