A magnitude ML 0.9 earthquake occured in region: 2 km NE Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.9030, 13.1710 at 16 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 | 2 | 281 | 281 |
Ussita | MC | 5 | 444 | 725 |
Visso | MC | 7 | 1107 | 1832 |
Preci | PG | 11 | 724 | 2556 |
Bolognola | MC | 11 | 142 | 2698 |
Montemonaco | AP | 13 | 604 | 3302 |
Norcia | PG | 14 | 4957 | 8259 |
Acquacanina | MC | 14 | 121 | 8380 |
Montefortino | FM | 15 | 1178 | 9558 |
Fiastra | MC | 15 | 559 | 10117 |
Montegallo | AP | 15 | 523 | 10640 |
Fiordimonte | MC | 16 | 202 | 10842 |
Monte Cavallo | MC | 17 | 145 | 10987 |
Amandola | FM | 17 | 3629 | 14616 |
Arquata del Tronto | AP | 18 | 1178 | 15794 |
Sarnano | MC | 18 | 3264 | 19058 |
Pieve Torina | MC | 19 | 1458 | 20516 |
Pievebovigliana | MC | 19 | 866 | 21382 |
Sellano | PG | 20 | 1079 | 22461 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-02-03 23:43:38 |
42.9033 | 13.1712 | 16 | 2021-02-04 00:09:13 |
Sala Sismica INGV-Roma | 86820911 |
Field | Value |
---|---|
Time (UTC) | 2021-02-03 23:43:38 ± 0.17 |
Latitude | 42.9033 ± 0.0045 |
Longitude | 13.1712 ± 0.0086 |
Depth (km) | 16 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 86820911 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 618 |
Semi-minor axis of confidence ellipse (meter) | 394 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 288 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 620.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 124 |
Number of associated phases, regardless of their use for origin computation | 9 |
Number of defining phases | 9 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.01529 |
Epicentral distance of station farthest from the epicenter (degree) | 0.18976 |
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 | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 86820911 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-04 00:09:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-02-03T23:43:46.38 | 0.3 | undecidable | manual | S | 7 | 21.0678 | 114 | -0.07 | 74 |
IV.MMO1.EHZ. | 2021-02-03T23:43:44.46 | 0.1 | undecidable | manual | S | 92 | 12.6762 | 132 | -0.09 | 97 |
IV.MC2.EHZ. | 2021-02-03T23:43:43.29 | 0.1 | undecidable | manual | S | 58 | 1.6983 | 172 | 0.13 | 100 |
IV.NRCA.HHZ. | 2021-02-03T23:43:43.71 | 0.1 | undecidable | manual | S | 211 | 8.9799 | 144 | -0.19 | 97 |
IV.FDMO.HHZ. | 2021-02-03T23:43:42.13 | 0.1 | undecidable | manual | P | 335 | 16.2726 | 123 | -0.13 | 98 |
IV.CSP1.EHZ. | 2021-02-03T23:43:42.95 | 0.1 | undecidable | manual | P | 7 | 21.0678 | 114 | 0.04 | 98 |
IV.MMO1.EHZ. | 2021-02-03T23:43:41.80 | 0.1 | undecidable | manual | P | 92 | 12.6762 | 132 | -0.02 | 99 |
IV.MC2.EHZ. | 2021-02-03T23:43:41.20 | 0.1 | undecidable | manual | P | 58 | 1.6983 | 172 | 0.19 | 99 |
IV.NRCA.HHZ. | 2021-02-03T23:43:41.53 | 0.1 | undecidable | manual | P | 211 | 8.9799 | 144 | 0.09 | 99 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.0 | 0.00008755 | 0.1 | AML | other | m | 2021-02-03T23:43:43.85 |
IV.NRCA.HHE. | ML:0.7 | 0.00005185 | 0.9 | AML | other | m | 2021-02-03T23:43:44.06 |
IV.NRCA.HNE. | ML:1.1 | 0.00012814084500000001 | 1.3696 | AML | other | m | 2021-02-03T23:43:45.19 |
IV.NRCA.HNN. | ML:1.3 | 0.00020572785 | 0.8064 | AML | other | m | 2021-02-03T23:43:46.18 |
IV.FDMO.HHE. | ML:0.4 | 0.000018993815000000002 | 2.2144 | AML | other | m | 2021-02-03T23:43:52.60 |
IV.FDMO.HHN. | ML:0.3 | 0.000017370295000000002 | 1.5232 | AML | other | m | 2021-02-03T23:43:52.79 |
IV.CSP1.EHE. | ML:1.3 | 0.000109195015 | 18.112 | AML | other | m | 2021-02-03T23:43:46.46 |
IV.CSP1.EHN. | ML:1.0 | 0.000055812609999999996 | 1.5488 | AML | other | m | 2021-02-03T23:43:55.17 |