A magnitude Md 1.3 earthquake occured in region: 5 km SW Preci (PG), on
and geographic coordinates (lat, lon) 42.8470, 12.9980 at 11 km depth.
The earthquake was located by: Sala Sismica INGV-Roma.
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 |
---|---|---|---|---|
Preci | PG | 5 | 724 | 724 |
Cerreto di Spoleto | PG | 7 | 1075 | 1799 |
Sellano | PG | 7 | 1079 | 2878 |
Norcia | PG | 10 | 4957 | 7835 |
Visso | MC | 12 | 1107 | 8942 |
Castelsantangelo sul Nera | MC | 14 | 281 | 9223 |
Vallo di Nera | PG | 14 | 364 | 9587 |
Cascia | PG | 14 | 3217 | 12804 |
Poggiodomo | PG | 16 | 117 | 12921 |
Ussita | MC | 16 | 444 | 13365 |
Monte Cavallo | MC | 16 | 145 | 13510 |
Campello sul Clitunno | PG | 18 | 2442 | 15952 |
Sant'Anatolia di Narco | PG | 18 | 564 | 16516 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
Md 1.3 | 2018-02-28 11:28:03 |
42.8468 | 12.998 | 11 | 2018-02-28 11:58:36 |
Sala Sismica INGV-Roma | 54218801 |
Field | Value |
---|---|
Time (UTC) | 2018-02-28 11:28:03 ± 0.05 |
Latitude | 42.8468 ± 0.0027 |
Longitude | 12.9980 ± 0.0037 |
Depth (km) | 11 (operator assigned) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 54218801 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 340 |
Semi-minor axis of confidence ellipse (meter) | 260 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 247 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 164 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.11 |
Epicentral distance of station closest to the epicenter (degree) | 0.15378 |
Epicentral distance of station farthest from the epicenter (degree) | 0.24641 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.1 |
Num. used stations | 3 |
Type of magnitude | Md |
Reference to an origin | 54218801 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2018-02-28 11:58:36 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.MMO1.EHZ. | 2018-02-28T11:28:13.16 | 0.3 | undecidable | manual | S | 78 | 27.3504 | 50 | -0.14 | 73 |
IV.LNSS.HHZ. | 2018-02-28T11:28:13.23 | 0.3 | undecidable | manual | S | 173 | 27.2505 | 50 | -0.05 | 74 |
IV.T1214.EHZ. | 2018-02-28T11:28:11.13 | 0.3 | undecidable | manual | S | 119 | 19.6692 | 50 | -0.13 | 74 |
IV.CESI.HHZ. | 2018-02-28T11:28:10.93 | 0.3 | undecidable | manual | S | 337 | 19.0698 | 50 | -0.17 | 73 |
IV.MC2.EHZ. | 2018-02-28T11:28:10.66 | 0.3 | undecidable | manual | S | 65 | 17.0718 | 50 | 0.1 | 75 |
IV.MMO1.EHZ. | 2018-02-28T11:28:09.17 | 0.1 | undecidable | manual | P | 78 | 27.3504 | 50 | 0 | 99 |
IV.LNSS.HHZ. | 2018-02-28T11:28:09.22 | 0.1 | undecidable | manual | P | 173 | 27.2505 | 50 | 0.06 | 98 |
IV.T1214.EHZ. | 2018-02-28T11:28:08.03 | 0.1 | undecidable | manual | P | 119 | 19.6692 | 50 | 0.04 | 100 |
IV.MC2.EHZ. | 2018-02-28T11:28:07.74 | 0.3 | undecidable | manual | P | 65 | 17.0718 | 50 | 0.15 | 74 |
IV.CESI.HHZ. | 2018-02-28T11:28:07.96 | 0.1 | undecidable | manual | P | 337 | 19.0698 | 50 | 0.07 | 100 |