A magnitude ML 0.5 earthquake occured in region: 8 km SE Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.8430, 13.2160 at 12 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 | 8 | 281 | 281 |
Montegallo | AP | 10 | 523 | 804 |
Arquata del Tronto | AP | 10 | 1178 | 1982 |
Montemonaco | AP | 11 | 604 | 2586 |
Norcia | PG | 11 | 4957 | 7543 |
Ussita | MC | 13 | 444 | 7987 |
Visso | MC | 14 | 1107 | 9094 |
Preci | PG | 15 | 724 | 9818 |
Montefortino | FM | 15 | 1178 | 10996 |
Accumoli | RI | 17 | 667 | 11663 |
Bolognola | MC | 17 | 142 | 11805 |
Acquasanta Terme | AP | 18 | 2916 | 14721 |
Amandola | FM | 19 | 3629 | 18350 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.5 | 2021-04-10 19:32:54 |
42.843 | 13.2157 | 12 | 2021-04-10 19:43:57 |
Sala Sismica INGV-Roma | 88982311 |
Field | Value |
---|---|
Time (UTC) | 2021-04-10 19:32:54 ± 0.08 |
Latitude | 42.8430 ± 0.0036 |
Longitude | 13.2157 ± 0.0061 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 88982311 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 456 |
Semi-minor axis of confidence ellipse (meter) | 275 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 60 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 460.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 96 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 18 |
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) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35973 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.4 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 88982311 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-10 19:43:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SRES.HHZ. | 2021-04-10T19:33:07.41 | 3.0 | negative | manual | Pg | 4.29 | 0 | |||
IV.TERO.HHZ. | 2021-04-10T19:33:07.66 | 0.3 | undecidable | manual | S | 128 | 39.9267 | 92 | -0.01 | 71 |
IV.CSP1.EHZ. | 2021-04-10T19:33:04.52 | 0.6 | undecidable | manual | S | 358 | 27.6501 | 94 | 0.15 | 47 |
IV.SMA1.EHZ. | 2021-04-10T19:33:03.66 | 0.3 | undecidable | manual | S | 157 | 25.4523 | 94 | -0.16 | 72 |
IV.T1299.EHN. | 2021-04-10T19:33:03.49 | 0.6 | undecidable | manual | S | 167 | 23.754 | 95 | 0.14 | 48 |
IV.FDMO.HHZ. | 2021-04-10T19:33:03.31 | 0.6 | undecidable | manual | S | 334 | 23.8539 | 95 | -0.06 | 49 |
IV.NARO.HHZ. | 2021-04-10T19:33:03.32 | 3.0 | undecidable | manual | Sn | -0.19 | 0 | |||
IV.PIEI.HHZ. | 2021-04-10T19:33:02.84 | 3.0 | undecidable | manual | Sn | 0.95 | 0 | |||
IV.TERO.HHZ. | 2021-04-10T19:33:02.04 | 0.6 | undecidable | manual | P | 128 | 39.9267 | 92 | -0.08 | 48 |
IV.MTRA.HNZ. | 2021-04-10T19:33:01.51 | 0.6 | undecidable | manual | S | 123 | 17.5713 | 101 | -0.2 | 49 |
IV.MMO1.EHZ. | 2021-04-10T19:33:00.19 | 0.6 | undecidable | manual | S | 55 | 10.9779 | 122 | 0.12 | 48 |
IV.CSP1.EHZ. | 2021-04-10T19:33:00.08 | 0.1 | undecidable | manual | P | 358 | 27.6501 | 94 | -0.14 | 96 |
IV.NRCA.HHZ. | 2021-04-10T19:32:59.32 | 0.6 | undecidable | manual | S | 263 | 8.2806 | 134 | -0.19 | 48 |
IV.T1299.EHN. | 2021-04-10T19:32:59.98 | 0.1 | undecidable | manual | P | 167 | 23.754 | 95 | 0.35 | 92 |
IV.FDMO.HHZ. | 2021-04-10T19:32:59.39 | 0.6 | undecidable | manual | P | 334 | 23.8539 | 95 | -0.25 | 47 |
IV.SMA1.EHZ. | 2021-04-10T19:32:59.92 | 1.0 | positive | manual | P | 157 | 25.4523 | 94 | 0.03 | 24 |
IV.MC2.EHZ. | 2021-04-10T19:32:59.75 | 0.6 | undecidable | manual | S | 344 | 7.881 | 136 | 0.32 | 48 |
IV.MTRA.HNZ. | 2021-04-10T19:32:58.56 | 0.1 | undecidable | manual | P | 123 | 17.5713 | 101 | -0.12 | 98 |
IV.NRCA.HHZ. | 2021-04-10T19:32:57.40 | 0.1 | negative | manual | P | 263 | 8.2806 | 134 | -0.01 | 100 |
IV.MMO1.EHZ. | 2021-04-10T19:32:57.58 | 0.6 | undecidable | manual | P | 55 | 10.9779 | 122 | -0.16 | 49 |
IV.MC2.EHZ. | 2021-04-10T19:32:57.73 | 1.0 | undecidable | manual | P | 344 | 7.881 | 136 | 0.36 | 24 |
IV.ARVD.HHZ. | 2021-04-10T19:32:53.78 | 3.0 | negative | manual | Pn | -2.12 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.0 | 0.000129 | 0.14 | AML | other | m | 2021-04-10T19:32:59.56 |
IV.NRCA.HHE. | ML:1.0 | 0.000111 | 1.6 | AML | other | m | 2021-04-10T19:33:00.85 |
IV.FDMO.HHE. | ML:-0.1 | 0.0000069901485 | 0.2176 | AML | other | m | 2021-04-10T19:33:05.48 |
IV.FDMO.HHN. | ML:0.2 | 0.000012307557 | 0.9344 | AML | other | m | 2021-04-10T19:33:04.13 |
IV.SMA1.EHE. | ML:0.4 | 0.000014051215 | 1.3568 | AML | other | m | 2021-04-10T19:33:07.41 |
IV.SMA1.EHN. | ML:0.4 | 0.000015192001 | 0.5632 | AML | other | m | 2021-04-10T19:33:04.82 |