A magnitude ML 1.3 earthquake occured in region: 6 km SE Preci (PG), on
and geographic coordinates (lat, lon) 42.8460, 13.0930 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 | 6 | 724 | 724 |
Norcia | PG | 6 | 4957 | 5681 |
Castelsantangelo sul Nera | MC | 7 | 281 | 5962 |
Visso | MC | 10 | 1107 | 7069 |
Ussita | MC | 12 | 444 | 7513 |
Sellano | PG | 14 | 1079 | 8592 |
Cerreto di Spoleto | PG | 15 | 1075 | 9667 |
Cascia | PG | 16 | 3217 | 12884 |
Monte Cavallo | MC | 18 | 145 | 13029 |
Arquata del Tronto | AP | 19 | 1178 | 14207 |
Poggiodomo | PG | 20 | 117 | 14324 |
Montegallo | AP | 20 | 523 | 14847 |
Bolognola | MC | 20 | 142 | 14989 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.3 | 2021-05-22 21:08:00 |
42.846 | 13.0928 | 11 | 2021-05-22 21:26:04 |
Sala Sismica INGV-Roma | 90387001 |
Field | Value |
---|---|
Time (UTC) | 2021-05-22 21:08:00 ± 0.05 |
Latitude | 42.8460 ± 0.0027 |
Longitude | 13.0928 ± 0.0049 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 90387001 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 418 |
Semi-minor axis of confidence ellipse (meter) | 249 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 69 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 130 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.01979 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43617 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.3 |
Uncertainty | 0.1 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 90387001 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-22 21:26:04 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-05-22T21:08:15.98 | 0.6 | undecidable | manual | S | 121 | 48.4182 | 50 | -0.14 | 45 |
IV.CSP1.EHZ. | 2021-05-22T21:08:10.87 | 0.6 | undecidable | manual | S | 18 | 28.749 | 50 | 0.01 | 48 |
IV.LNSS.HHZ. | 2021-05-22T21:08:10.30 | 0.6 | undecidable | manual | S | 189 | 27.3504 | 50 | -0.17 | 46 |
IV.T1299.HNZ. | 2021-05-22T21:08:10.86 | 0.6 | undecidable | manual | S | 147 | 28.1496 | 50 | 0.18 | 46 |
IV.TERO.HHZ. | 2021-05-22T21:08:09.51 | 0.1 | undecidable | manual | P | 121 | 48.4182 | 50 | -0.07 | 91 |
IV.CESI.HHZ. | 2021-05-22T21:08:09.35 | 0.6 | undecidable | manual | S | 319 | 23.3544 | 50 | -0.06 | 48 |
IV.MMO1.EHZ. | 2021-05-22T21:08:08.07 | 0.6 | undecidable | manual | S | 73 | 19.9689 | 118 | -0.41 | 45 |
IV.FDMO.HHZ. | 2021-05-22T21:08:08.82 | 0.6 | undecidable | manual | S | 359 | 21.1677 | 50 | 0 | 49 |
IV.SMA1.EHZ. | 2021-05-22T21:08:07.13 | 0.1 | undecidable | manual | P | 140 | 31.0467 | 50 | 0.25 | 91 |
IV.LNSS.HHZ. | 2021-05-22T21:08:06.19 | 0.1 | undecidable | manual | P | 189 | 27.3504 | 50 | -0.13 | 94 |
IV.T1299.HNZ. | 2021-05-22T21:08:06.55 | 0.1 | undecidable | manual | P | 147 | 28.1496 | 50 | 0.11 | 94 |
IV.MC2.EHZ. | 2021-05-22T21:08:06.04 | 0.6 | undecidable | manual | S | 47 | 10.6782 | 135 | 0.16 | 48 |
IV.CSP1.EHZ. | 2021-05-22T21:08:06.56 | 0.1 | undecidable | manual | P | 18 | 28.749 | 50 | 0.02 | 95 |
IV.FDMO.HHZ. | 2021-05-22T21:08:05.29 | 0.1 | undecidable | manual | P | 359 | 21.1677 | 50 | -0.08 | 96 |
IV.CESI.HHZ. | 2021-05-22T21:08:05.68 | 0.1 | undecidable | manual | P | 319 | 23.3544 | 50 | -0.03 | 96 |
IV.MMO1.EHZ. | 2021-05-22T21:08:05.04 | 0.1 | undecidable | manual | P | 73 | 19.9689 | 118 | -0.13 | 95 |
IV.NRCA.HHZ. | 2021-05-22T21:08:04.09 | 1.0 | undecidable | manual | S | 128 | 2.1978 | 168 | -0.34 | 23 |
IT.MTCL.HGZ. | 2021-05-22T21:08:04.86 | 0.1 | undecidable | manual | P | 335 | 18.0708 | 121 | 0.01 | 97 |
IV.MC2.EHZ. | 2021-05-22T21:08:03.95 | 0.1 | undecidable | manual | P | 47 | 10.6782 | 135 | 0.29 | 93 |
IV.NRCA.HHZ. | 2021-05-22T21:08:02.84 | 0.1 | undecidable | manual | P | 128 | 2.1978 | 168 | 0.01 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.CSP1.EHN. | ML:1.2 | 0.00008405 | 0.8 | AML | other | m | 2021-05-22T21:08:10.78 |
IV.CSP1.EHE. | ML:1.3 | 0.00010944999999999999 | 0.42 | AML | other | m | 2021-05-22T21:08:11.70 |