A magnitude ML 1.0 earthquake occured in region: 2 km W Preci (PG), on
and geographic coordinates (lat, lon) 42.8740, 13.0210 at 12 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 | 2 | 724 | 724 |
Sellano | PG | 8 | 1079 | 1803 |
Visso | MC | 9 | 1107 | 2910 |
Cerreto di Spoleto | PG | 10 | 1075 | 3985 |
Norcia | PG | 11 | 4957 | 8942 |
Castelsantangelo sul Nera | MC | 11 | 281 | 9223 |
Ussita | MC | 13 | 444 | 9667 |
Monte Cavallo | MC | 14 | 145 | 9812 |
Cascia | PG | 17 | 3217 | 13029 |
Vallo di Nera | PG | 17 | 364 | 13393 |
Fiordimonte | MC | 19 | 202 | 13595 |
Pieve Torina | MC | 19 | 1458 | 15053 |
Poggiodomo | PG | 19 | 117 | 15170 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2020-04-27 17:45:55 |
42.8743 | 13.0207 | 12 | 2020-04-27 17:52:04 |
Sala Sismica INGV-Roma | 78628201 |
Field | Value |
---|---|
Time (UTC) | 2020-04-27 17:45:55 ± 0.14 |
Latitude | 42.8743 ± 0.0063 |
Longitude | 13.0207 ± 0.0049 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 78628201 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 606 |
Semi-minor axis of confidence ellipse (meter) | 475 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 177 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 610.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 206 |
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) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.08004 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25541 |
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 | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 78628201 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-04-27 17:52:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2020-04-27T17:46:06.07 | 0.1 | undecidable | manual | S | 32 | 28.3494 | 92 | 0.17 | 97 |
IV.MMO1.EHZ. | 2020-04-27T17:46:04.86 | 0.1 | undecidable | manual | S | 84 | 25.0527 | 92 | -0.15 | 96 |
IV.FDMO.HHZ. | 2020-04-27T17:46:03.07 | 0.1 | undecidable | manual | S | 17 | 18.7701 | 95 | -0.27 | 93 |
IV.MC2.EHZ. | 2020-04-27T17:46:02.32 | 0.1 | undecidable | manual | S | 73 | 14.2746 | 104 | 0.17 | 99 |
IV.CESI.HHZ. | 2020-04-27T17:46:02.82 | 0.1 | undecidable | manual | S | 327 | 17.2716 | 96 | -0.12 | 96 |
IV.MMO1.EHZ. | 2020-04-27T17:46:01.17 | 0.1 | undecidable | manual | P | 84 | 25.0527 | 92 | 0.03 | 99 |
IV.CSP1.EHZ. | 2020-04-27T17:46:01.68 | 0.1 | undecidable | manual | P | 32 | 28.3494 | 92 | 0.02 | 98 |
IV.NRCA.HHZ. | 2020-04-27T17:46:00.65 | 0.1 | undecidable | manual | S | 121 | 8.88 | 129 | -0.21 | 98 |
IV.FDMO.HHZ. | 2020-04-27T17:46:00.20 | 0.1 | undecidable | manual | P | 17 | 18.7701 | 95 | 0.02 | 99 |
IV.CESI.HHZ. | 2020-04-27T17:46:00.06 | 0.1 | undecidable | manual | P | 327 | 17.2716 | 96 | 0.11 | 99 |
IV.MC2.EHZ. | 2020-04-27T17:45:59.69 | 0.1 | undecidable | manual | P | 73 | 14.2746 | 104 | 0.2 | 98 |
IV.NRCA.HHZ. | 2020-04-27T17:45:58.83 | 0.1 | undecidable | manual | P | 121 | 8.88 | 129 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.2 | 0.000189 | 0.12 | AML | other | m | 2020-04-27T17:46:00.96 |
IV.NRCA.HHN. | ML:1.2 | 0.0001725 | 1.04 | AML | other | m | 2020-04-27T17:46:01.41 |
IV.CESI.HHE. | ML:0.8 | 0.0000434 | 1.84 | AML | other | m | 2020-04-27T17:46:02.94 |
IV.CESI.HHN. | ML:1.0 | 0.00007605 | 0.34 | AML | other | m | 2020-04-27T17:46:03.11 |
IV.FDMO.HHN. | ML:0.9 | 0.0000576 | 0.32 | AML | other | m | 2020-04-27T17:46:03.34 |
IV.FDMO.HHE. | ML:1.2 | 0.0001315 | 0.18 | AML | other | m | 2020-04-27T17:46:03.64 |