A magnitude ML 1.2 earthquake occured in region: 7 km SE Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.8360, 13.1940 at 14 km depth.
The earthquake was located by: Bollettino Sismico Italiano INGV.
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 | 7 | 281 | 281 |
Norcia | PG | 9 | 4957 | 5238 |
Arquata del Tronto | AP | 11 | 1178 | 6416 |
Montegallo | AP | 12 | 523 | 6939 |
Ussita | MC | 13 | 444 | 7383 |
Montemonaco | AP | 13 | 604 | 7987 |
Preci | PG | 14 | 724 | 8711 |
Visso | MC | 14 | 1107 | 9818 |
Accumoli | RI | 16 | 667 | 10485 |
Montefortino | FM | 17 | 1178 | 11663 |
Bolognola | MC | 18 | 142 | 11805 |
Acquasanta Terme | AP | 19 | 2916 | 14721 |
Cascia | PG | 20 | 3217 | 17938 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.2 | 2021-12-18 13:08:05 |
42.8358 | 13.1938 | 14 | 2022-03-30 13:04:23 |
Bollettino Sismico Italiano INGV | 98822221 |
Reviewed Rev100 |
ML 1.2 | 2021-12-18 13:08:05 |
42.84 | 13.2055 | 13 | 2021-12-18 13:13:51 |
Sala Sismica INGV-Roma | 98676561 |
Field | Value |
---|---|
Time (UTC) | 2021-12-18 13:08:05 ± 0.05 |
Latitude | 42.8358 ± 0.0027 |
Longitude | 13.1938 ± 0.0049 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 98822221 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 393 |
Semi-minor axis of confidence ellipse (meter) | 108 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 85 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 390.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 66 |
Number of associated phases, regardless of their use for origin computation | 25 |
Number of defining phases | 25 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.17 |
Epicentral distance of station closest to the epicenter (degree) | 0.05846 |
Epicentral distance of station farthest from the epicenter (degree) | 0.44247 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 13 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 98822221 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-12-22 14:36:02 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.3 |
Num. used stations | 8 |
Type of magnitude | ML |
Reference to an origin | 98676561 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-12-18 13:13:51 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASSB.HHN. | 2021-12-18T13:08:21.50 | 0.6 | undecidable | manual | S | 298 | 49.1175 | 94 | 0.06 | 47 |
IV.MML1.HNE. | 2021-12-18T13:08:17.90 | 0.3 | undecidable | manual | S | 330 | 35.6421 | 96 | 0.04 | 73 |
IV.LNSS.HNZ. | 2021-12-18T13:08:16.40 | 0.6 | undecidable | manual | S | 206 | 28.749 | 99 | 0.38 | 46 |
IV.CESI.HHZ. | 2021-12-18T13:08:16.20 | 0.3 | undecidable | manual | S | 309 | 30.0477 | 98 | -0.17 | 71 |
IV.CSP1.EHZ. | 2021-12-18T13:08:15.80 | 0.3 | undecidable | manual | S | 2 | 28.4493 | 99 | -0.14 | 72 |
IV.GUMA.HNN. | 2021-12-18T13:08:15.90 | 0.3 | undecidable | manual | S | 24 | 27.6501 | 99 | 0.16 | 72 |
IV.SMA1.EHN. | 2021-12-18T13:08:15.20 | 0.6 | undecidable | manual | S | 153 | 25.5522 | 101 | 0.02 | 49 |
IV.ASSB.HHN. | 2021-12-18T13:08:14.74 | 0.3 | undecidable | manual | P | 298 | 49.1175 | 94 | -0.11 | 70 |
IV.FDMO.HHZ. | 2021-12-18T13:08:14.50 | 0.3 | undecidable | manual | S | 339 | 23.8539 | 102 | -0.25 | 71 |
IV.FEMA.HNE. | 2021-12-18T13:08:13.30 | 0.6 | undecidable | manual | S | 320 | 18.2706 | 110 | 0 | 50 |
IV.MTRA.EHE. | 2021-12-18T13:08:13.00 | 0.6 | undecidable | manual | S | 118 | 18.6702 | 109 | -0.41 | 46 |
IV.LNSS.HNZ. | 2021-12-18T13:08:12.02 | 0.1 | undecidable | manual | P | 206 | 28.749 | 99 | 0.3 | 93 |
IV.MML1.HNE. | 2021-12-18T13:08:12.85 | 0.3 | undecidable | manual | P | 330 | 35.6421 | 96 | 0.07 | 72 |
IV.GUMA.HNN. | 2021-12-18T13:08:11.83 | 0.1 | undecidable | manual | P | 24 | 27.6501 | 99 | 0.27 | 94 |
IV.CSP1.EHZ. | 2021-12-18T13:08:11.53 | 0.1 | undecidable | manual | P | 2 | 28.4493 | 99 | -0.14 | 96 |
IV.MC2.EHZ. | 2021-12-18T13:08:11.20 | 0.3 | undecidable | manual | S | 357 | 8.3805 | 140 | 0.08 | 75 |
IV.CESI.HHZ. | 2021-12-18T13:08:11.94 | 0.3 | undecidable | manual | P | 309 | 30.0477 | 98 | 0.02 | 74 |
IV.MF5.EHN. | 2021-12-18T13:08:11.68 | 0.3 | undecidable | manual | P | 52 | 27.3504 | 99 | 0.16 | 72 |
IV.FDMO.HHZ. | 2021-12-18T13:08:10.86 | 0.3 | undecidable | manual | P | 339 | 23.8539 | 102 | -0.13 | 73 |
IV.FEMA.HNE. | 2021-12-18T13:08:10.21 | 0.1 | undecidable | manual | P | 320 | 18.2706 | 110 | 0.06 | 99 |
IV.NRCA.HHZ. | 2021-12-18T13:08:10.60 | 0.3 | undecidable | manual | S | 268 | 6.4935 | 148 | -0.21 | 74 |
IV.MTRA.EHE. | 2021-12-18T13:08:10.08 | 0.3 | undecidable | manual | P | 118 | 18.6702 | 109 | -0.14 | 73 |
IV.SMA1.EHN. | 2021-12-18T13:08:10.92 | 0.1 | undecidable | manual | P | 153 | 25.5522 | 101 | -0.31 | 92 |
IV.MC2.EHZ. | 2021-12-18T13:08:09.02 | 0.3 | undecidable | manual | P | 357 | 8.3805 | 140 | 0.13 | 74 |
IV.NRCA.HHZ. | 2021-12-18T13:08:08.82 | 0.1 | undecidable | manual | P | 268 | 6.4935 | 148 | 0.1 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:0.0 | 0.0003825 | 1.88 | AML | other | m | 2021-12-18T13:08:11.02 |
IV.NRCA.HHE. | ML:0.0 | 0.0002925 | 0.46 | AML | other | m | 2021-12-18T13:08:11.39 |
IV.MC2.EHN. | ML:1.4 | 0.0002549866 | 0.1792 | AML | other | m | 2021-12-18T13:08:11.58 |
IV.MC2.EHE. | ML:1.2 | 0.0001579585 | 2.2016 | AML | other | m | 2021-12-18T13:08:10.63 |
IV.FDMO.HHN. | ML:0.7 | 0.000028868065000000003 | 1.12 | AML | other | m | 2021-12-18T13:08:15.61 |
IV.FDMO.HHE. | ML:0.5 | 0.000022343085 | 0.2816 | AML | other | m | 2021-12-18T13:08:15.08 |
IV.CESI.HHE. | ML:1.0 | 0.000049208155000000005 | 2.9632 | AML | other | m | 2021-12-18T13:08:16.68 |
IV.CESI.HHN. | ML:1.2 | 0.00006250096999999999 | 0.32 | AML | other | m | 2021-12-18T13:08:16.94 |