A magnitude ML 0.9 earthquake occured in region: 5 km SE Preci (PG), on
and geographic coordinates (lat, lon) 42.8540, 13.0910 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 |
Castelsantangelo sul Nera | MC | 7 | 281 | 1005 |
Norcia | PG | 7 | 4957 | 5962 |
Visso | MC | 9 | 1107 | 7069 |
Ussita | MC | 11 | 444 | 7513 |
Sellano | PG | 14 | 1079 | 8592 |
Cerreto di Spoleto | PG | 15 | 1075 | 9667 |
Cascia | PG | 16 | 3217 | 12884 |
Monte Cavallo | MC | 17 | 145 | 13029 |
Arquata del Tronto | AP | 19 | 1178 | 14207 |
Bolognola | MC | 19 | 142 | 14349 |
Montegallo | AP | 20 | 523 | 14872 |
Montemonaco | AP | 20 | 604 | 15476 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-05-19 13:49:09 |
42.8545 | 13.0912 | 11 | 2021-05-19 13:58:18 |
Sala Sismica INGV-Roma | 90264821 |
Field | Value |
---|---|
Time (UTC) | 2021-05-19 13:49:09 ± 0.16 |
Latitude | 42.8545 ± 0.0081 |
Longitude | 13.0912 ± 0.0110 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 90264821 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 903 |
Semi-minor axis of confidence ellipse (meter) | 832 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 196 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 900.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 177 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.24 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.20325 |
Number of stations at which the event was observed | 6 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.2 |
Num. used stations | 5 |
Type of magnitude | ML |
Reference to an origin | 90264821 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-19 13:58:18 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHZ. | 2021-05-19T13:49:18.08 | 0.1 | undecidable | manual | S | 318 | 22.5552 | 50 | -0.05 | 99 |
IV.MMO1.EHZ. | 2021-05-19T13:49:17.15 | 0.1 | undecidable | manual | S | 75 | 19.7691 | 50 | -0.25 | 93 |
IV.FDMO.HHZ. | 2021-05-19T13:49:17.31 | 0.1 | undecidable | manual | S | 359 | 20.1687 | 50 | -0.19 | 96 |
IV.MC2.EHZ. | 2021-05-19T13:49:15.14 | 0.1 | undecidable | manual | S | 52 | 10.1787 | 137 | 0.37 | 94 |
IV.GAVE.EHZ. | 2021-05-19T13:49:15.95 | 3.0 | negative | manual | P | 0.15 | 0 | |||
IV.MMO1.EHZ. | 2021-05-19T13:49:14.10 | 0.6 | undecidable | manual | P | 75 | 19.7691 | 50 | 0 | 49 |
IV.FDMO.HHZ. | 2021-05-19T13:49:14.39 | 0.3 | undecidable | manual | P | 359 | 20.1687 | 50 | 0.22 | 72 |
IV.CESI.HHZ. | 2021-05-19T13:49:14.57 | 0.1 | undecidable | manual | P | 318 | 22.5552 | 50 | 0.04 | 98 |
IV.NRCA.HHZ. | 2021-05-19T13:49:13.36 | 0.1 | undecidable | manual | S | 141 | 2.997 | 165 | -0.16 | 100 |
IV.MC2.EHZ. | 2021-05-19T13:49:12.97 | 0.6 | undecidable | manual | P | 52 | 10.1787 | 137 | 0.38 | 47 |
IV.NRCA.HHZ. | 2021-05-19T13:49:11.97 | 1.0 | undecidable | manual | P | 141 | 2.997 | 165 | 0.1 | 25 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.0 | 0.000158407205 | 0.1408 | AML | other | m | 2021-05-19T13:49:13.46 |
IV.NRCA.HHE. | ML:1.0 | 0.00016195769999999998 | 0.16 | AML | other | m | 2021-05-19T13:49:13.48 |
IV.NRCA.HNE. | ML:1.0 | 0.00015984187 | 1.0112 | AML | other | m | 2021-05-19T13:49:13.48 |
IV.CESI.HHE. | ML:0.6 | 0.000024993673500000002 | 0.9792 | AML | other | m | 2021-05-19T13:49:18.72 |
IV.CESI.HHN. | ML:0.7 | 0.00003265342 | 0.7168 | AML | other | m | 2021-05-19T13:49:18.72 |