A magnitude ML 0.8 earthquake occured in region: 6 km SE Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.8640, 13.2210 at 7 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 | 6 | 281 | 281 |
Montegallo | AP | 10 | 523 | 804 |
Montemonaco | AP | 10 | 604 | 1408 |
Ussita | MC | 11 | 444 | 1852 |
Arquata del Tronto | AP | 12 | 1178 | 3030 |
Norcia | PG | 13 | 4957 | 7987 |
Visso | MC | 13 | 1107 | 9094 |
Montefortino | FM | 13 | 1178 | 10272 |
Bolognola | MC | 15 | 142 | 10414 |
Preci | PG | 15 | 724 | 11138 |
Amandola | FM | 17 | 3629 | 14767 |
Acquasanta Terme | AP | 19 | 2916 | 17683 |
Accumoli | RI | 19 | 667 | 18350 |
Acquacanina | MC | 19 | 121 | 18471 |
Comunanza | AP | 19 | 3166 | 21637 |
Palmiano | AP | 20 | 196 | 21833 |
Fiastra | MC | 20 | 559 | 22392 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.8 | 2021-05-23 08:22:25 |
42.8642 | 13.2207 | 7 | 2021-05-23 08:32:07 |
Sala Sismica INGV-Roma | 90408991 |
Field | Value |
---|---|
Time (UTC) | 2021-05-23 08:22:25 ± 0.09 |
Latitude | 42.8642 ± 0.0018 |
Longitude | 13.2207 ± 0.0025 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 90408991 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 210 |
Semi-minor axis of confidence ellipse (meter) | 60 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 29 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 210.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 119 |
Number of associated phases, regardless of their use for origin computation | 30 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.09 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.22753 |
Number of stations at which the event was observed | 24 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.0 |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 90408991 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-23 08:32:07 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GIZZ.HHZ. | 2021-05-23T08:24:18.01 | 3.0 | undecidable | manual | Sn | -6.42 | 0 | |||
GU.CANO.HHZ. | 2021-05-23T08:23:51.21 | 3.0 | undecidable | manual | Sn | -4.12 | 0 | |||
IV.VOBA.EHZ. | 2021-05-23T08:23:50.00 | 3.0 | undecidable | manual | Sg | 11.48 | 0 | |||
IV.MMGO.HHZ. | 2021-05-23T08:23:43.26 | 3.0 | negative | manual | Pn | 3.83 | 0 | |||
IV.GIZZ.HHZ. | 2021-05-23T08:23:43.34 | 3.0 | positive | manual | Pg | 14.32 | 0 | |||
IV.SPS2.HHZ. | 2021-05-23T08:23:42.97 | 3.0 | positive | manual | Pg | 17.049999 | 0 | |||
IV.MSRU.HHZ. | 2021-05-23T08:23:38.95 | 3.0 | negative | manual | Pn | 3.73 | 0 | |||
IV.IFIL.HHZ. | 2021-05-23T08:23:32.72 | 3.0 | negative | manual | Pn | 4.13 | 0 | |||
IV.ERC.EHZ. | 2021-05-23T08:23:29.03 | 3.0 | undecidable | manual | Pn | -5.5 | 0 | |||
IV.BOZZ.HNZ. | 2021-05-23T08:23:27.98 | 3.0 | undecidable | manual | Sn | -1.43 | 0 | |||
ST.OZOL.EHZ. | 2021-05-23T08:23:23.08 | 3.0 | negative | manual | Pg | 14.05 | 0 | |||
IV.FREG.EHZ. | 2021-05-23T08:23:08.62 | 3.0 | undecidable | manual | Pg | 8.91 | 0 | |||
IV.RIBO.EHZ.01 | 2021-05-23T08:23:06.05 | 3.0 | undecidable | manual | S | 1.74 | 0 | |||
IV.CADC.HNZ. | 2021-05-23T08:23:05.23 | 3.0 | positive | manual | Pn | 1.35 | 0 | |||
IV.ZEN8.EHZ. | 2021-05-23T08:23:02.78 | 3.0 | undecidable | manual | Pn | 1.01 | 0 | |||
IV.VBKN.HHZ. | 2021-05-23T08:23:01.57 | 3.0 | positive | manual | Pn | 3.31 | 0 | |||
IV.COR1.EHZ. | 2021-05-23T08:22:35.78 | 3.0 | undecidable | manual | Sn | 2.35 | 0 | |||
IV.CSP1.EHZ. | 2021-05-23T08:22:34.99 | 0.1 | undecidable | manual | S | 357 | 25.2525 | 105 | 0.12 | 96 |
IV.SACS.HHZ. | 2021-05-23T08:22:33.04 | 3.0 | undecidable | manual | P | -3.25 | 0 | |||
IV.MTRA.EHZ. | 2021-05-23T08:22:32.75 | 0.6 | undecidable | manual | S | 130 | 18.6702 | 110 | 0.09 | 49 |
IV.MF5.EHZ. | 2021-05-23T08:22:31.27 | 3.0 | undecidable | manual | P | 4.02 | 0 | |||
IV.CSP1.EHZ. | 2021-05-23T08:22:30.80 | 0.6 | undecidable | manual | P | 357 | 25.2525 | 105 | -0.24 | 47 |
IV.TERO.HHZ. | 2021-05-23T08:22:30.36 | 3.0 | undecidable | manual | P | -1.92 | 0 | |||
IV.MMO1.EHZ. | 2021-05-23T08:22:29.79 | 0.3 | undecidable | manual | S | 66 | 9.4794 | 125 | -0.02 | 75 |
IV.NRCA.HHZ. | 2021-05-23T08:22:29.72 | 0.3 | undecidable | manual | S | 249 | 9.2796 | 125 | -0.03 | 75 |
IV.MTRA.EHZ. | 2021-05-23T08:22:29.78 | 0.3 | undecidable | manual | P | 130 | 18.6702 | 110 | 0.02 | 74 |
IV.NRCA.HHZ. | 2021-05-23T08:22:28.12 | 0.1 | undecidable | manual | P | 249 | 9.2796 | 125 | 0.04 | 100 |
IV.MC2.EHZ. | 2021-05-23T08:22:28.86 | 0.3 | undecidable | manual | S | 334 | 5.8941 | 139 | 0 | 76 |
IV.MMO1.EHZ. | 2021-05-23T08:22:28.05 | 0.1 | undecidable | manual | P | 66 | 9.4794 | 125 | -0.06 | 99 |
IV.MC2.EHZ. | 2021-05-23T08:22:27.58 | 1.0 | positive | manual | P | 334 | 5.8941 | 139 | 0.01 | 25 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MTRA.EHN. | ML:0.8 | 0.000055549445000000004 | 0.2752 | AML | other | m | 2021-05-23T08:22:34.38 |
IV.MTRA.EHE. | ML:0.8 | 0.0000577221425 | 0.3008 | AML | other | m | 2021-05-23T08:22:34.53 |