A magnitude ML 1.1 earthquake occured in region: 3 km NE Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.9180, 13.1750 at 14 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 |
---|---|---|---|---|
Castelsantangelo sul Nera | MC | 3 | 281 | 281 |
Ussita | MC | 4 | 444 | 725 |
Visso | MC | 7 | 1107 | 1832 |
Bolognola | MC | 10 | 142 | 1974 |
Preci | PG | 12 | 724 | 2698 |
Acquacanina | MC | 13 | 121 | 2819 |
Montemonaco | AP | 13 | 604 | 3423 |
Fiastra | MC | 13 | 559 | 3982 |
Montefortino | FM | 14 | 1178 | 5160 |
Fiordimonte | MC | 15 | 202 | 5362 |
Norcia | PG | 15 | 4957 | 10319 |
Montegallo | AP | 15 | 523 | 10842 |
Amandola | FM | 16 | 3629 | 14471 |
Monte Cavallo | MC | 16 | 145 | 14616 |
Sarnano | MC | 17 | 3264 | 17880 |
Pieve Torina | MC | 17 | 1458 | 19338 |
Pievebovigliana | MC | 18 | 866 | 20204 |
Arquata del Tronto | AP | 19 | 1178 | 21382 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-05-18 03:20:30 |
42.9183 | 13.1748 | 14 | 2021-05-18 03:25:42 |
Sala Sismica INGV-Roma | 90212141 |
Field | Value |
---|---|
Time (UTC) | 2021-05-18 03:20:30 ± 0.07 |
Latitude | 42.9183 ± 0.0027 |
Longitude | 13.1748 ± 0.0037 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 90212141 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 280 |
Semi-minor axis of confidence ellipse (meter) | 87 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 50 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 280.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 93 |
Number of associated phases, regardless of their use for origin computation | 11 |
Number of defining phases | 11 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.09533 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43167 |
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 | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 90212141 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-18 03:25:42 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CESI.HHZ. | 2021-05-18T03:20:39.53 | 0.1 | undecidable | manual | S | 294 | 23.9538 | 104 | 0.18 | 95 |
IV.TERO.HHZ. | 2021-05-18T03:20:39.24 | 0.3 | undecidable | manual | P | 133 | 47.9187 | 95 | 0.02 | 71 |
IV.CSP1.EHZ. | 2021-05-18T03:20:38.19 | 0.3 | undecidable | manual | S | 7 | 19.3695 | 111 | 0 | 74 |
IV.FDMO.HHZ. | 2021-05-18T03:20:37.05 | 0.1 | undecidable | manual | S | 332 | 14.874 | 120 | -0.06 | 99 |
IV.NRCA.HHZ. | 2021-05-18T03:20:36.05 | 0.1 | undecidable | manual | S | 208 | 10.5783 | 133 | -0.15 | 98 |
IV.MMO1.EHZ. | 2021-05-18T03:20:36.64 | 0.1 | undecidable | manual | S | 100 | 12.4764 | 127 | 0.06 | 99 |
IV.CESI.HHZ. | 2021-05-18T03:20:35.60 | 0.3 | undecidable | manual | P | 294 | 23.9538 | 104 | 0.03 | 74 |
IV.CSP1.EHZ. | 2021-05-18T03:20:34.83 | 0.1 | undecidable | manual | P | 7 | 19.3695 | 111 | -0.07 | 98 |
IV.FDMO.HHZ. | 2021-05-18T03:20:34.17 | 0.1 | undecidable | manual | P | 332 | 14.874 | 120 | -0.1 | 98 |
IV.MMO1.EHZ. | 2021-05-18T03:20:34.03 | 0.1 | undecidable | manual | P | 100 | 12.4764 | 127 | 0.06 | 99 |
IV.NRCA.HHZ. | 2021-05-18T03:20:33.78 | 0.1 | undecidable | manual | P | 208 | 10.5783 | 133 | 0.03 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.6 | 0.0003855 | 0.18 | AML | other | m | 2021-05-18T03:20:36.23 |
IV.NRCA.HHN. | ML:1.3 | 0.00020700000000000002 | 0.14 | AML | other | m | 2021-05-18T03:20:36.28 |
IV.FDMO.HHN. | ML:1.1 | 0.0001125 | 0.18 | AML | other | m | 2021-05-18T03:20:37.32 |
IV.FDMO.HHE. | ML:0.8 | 0.00005475 | 0.5 | AML | other | m | 2021-05-18T03:20:37.58 |
IV.CESI.HHE. | ML:1.0 | 0.000049500000000000004 | 0.38 | AML | other | m | 2021-05-18T03:20:39.91 |
IV.CESI.HHN. | ML:1.1 | 0.00007335 | 0.16 | AML | other | m | 2021-05-18T03:20:39.77 |