A magnitude ML 1.1 earthquake occured in region: 6 km S Castelsantangelo sul Nera (MC), on
and geographic coordinates (lat, lon) 42.8380, 13.1550 at 10 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 |
Norcia | PG | 7 | 4957 | 5238 |
Preci | PG | 11 | 724 | 5962 |
Visso | MC | 12 | 1107 | 7069 |
Ussita | MC | 12 | 444 | 7513 |
Arquata del Tronto | AP | 14 | 1178 | 8691 |
Montegallo | AP | 15 | 523 | 9214 |
Montemonaco | AP | 16 | 604 | 9818 |
Cascia | PG | 18 | 3217 | 13035 |
Accumoli | RI | 18 | 667 | 13702 |
Bolognola | MC | 18 | 142 | 13844 |
Montefortino | FM | 19 | 1178 | 15022 |
Sellano | PG | 19 | 1079 | 16101 |
Cerreto di Spoleto | PG | 20 | 1075 | 17176 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-02-21 19:18:40 |
42.8382 | 13.1548 | 10 | 2021-02-21 19:44:55 |
Sala Sismica INGV-Roma | 87361541 |
Field | Value |
---|---|
Time (UTC) | 2021-02-21 19:18:40 ± 0.08 |
Latitude | 42.8382 ± 0.0045 |
Longitude | 13.1548 ± 0.0086 |
Depth (km) | 10 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 87361541 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 686 |
Semi-minor axis of confidence ellipse (meter) | 245 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 68 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 690.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 61 |
Number of associated phases, regardless of their use for origin computation | 27 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.32 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.25631 |
Number of stations at which the event was observed | 17 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 87361541 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-21 19:44:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ZCCA.HHZ. | 2021-02-21T19:20:03.65 | 3.0 | undecidable | manual | Sn | 1.37 | 0 | |||
IV.MTRZ.HHZ. | 2021-02-21T19:19:57.94 | 3.0 | undecidable | manual | Sn | 1.69 | 0 | |||
GU.BLANC.HHZ. | 2021-02-21T19:19:53.35 | 3.0 | undecidable | manual | Pn | -3.53 | 0 | |||
IV.EFIU.HHZ. | 2021-02-21T19:19:49.76 | 3.0 | undecidable | manual | Sg | -2.38 | 0 | |||
IV.MDI.HHZ. | 2021-02-21T19:19:42.23 | 3.0 | negative | manual | Pn | 6.13 | 0 | |||
IV.ACATE.EHZ. | 2021-02-21T19:19:20.36 | 3.0 | negative | manual | Pg | 2.28 | 0 | |||
IV.CSP1.EHZ. | 2021-02-21T19:18:51.14 | 0.3 | undecidable | manual | S | 8 | 28.4493 | 50 | 0.26 | 69 |
IV.LNSS.HHE. | 2021-02-21T19:18:50.53 | 0.3 | undecidable | manual | S | 200 | 27.75 | 50 | -0.16 | 71 |
IV.T1299.EHE. | 2021-02-21T19:18:50.15 | 0.1 | undecidable | manual | S | 155 | 24.8529 | 111 | 0.33 | 91 |
IV.CESI.HHZ. | 2021-02-21T19:18:50.38 | 0.3 | undecidable | manual | S | 312 | 27.4503 | 50 | -0.24 | 69 |
IV.SMA1.EHN. | 2021-02-21T19:18:50.54 | 0.3 | undecidable | manual | S | 147 | 27.3504 | 50 | -0.05 | 72 |
IV.FDMO.HHZ. | 2021-02-21T19:18:49.17 | 0.3 | undecidable | manual | S | 346 | 22.6551 | 113 | 0.07 | 73 |
IV.MTRA.EHE. | 2021-02-21T19:18:48.87 | 0.1 | undecidable | manual | S | 115 | 21.6672 | 114 | 0.09 | 97 |
IV.CESI.HHZ. | 2021-02-21T19:18:46.34 | 0.1 | undecidable | manual | P | 312 | 27.4503 | 50 | -0.02 | 97 |
IV.CSP1.EHZ. | 2021-02-21T19:18:46.66 | 0.1 | undecidable | manual | P | 8 | 28.4493 | 50 | 0.15 | 94 |
IV.SMA1.EHN. | 2021-02-21T19:18:46.27 | 0.1 | undecidable | manual | P | 147 | 27.3504 | 50 | -0.06 | 96 |
IV.LNSS.HHE. | 2021-02-21T19:18:46.30 | 0.1 | undecidable | manual | P | 200 | 27.75 | 50 | -0.1 | 95 |
IV.T1299.EHE. | 2021-02-21T19:18:46.15 | 0.1 | undecidable | manual | P | 155 | 24.8529 | 111 | 0.25 | 93 |
IV.MMO1.EHZ. | 2021-02-21T19:18:46.24 | 0.1 | undecidable | manual | S | 64 | 15.5733 | 122 | -0.67 | 84 |
IV.MTRA.EHE. | 2021-02-21T19:18:45.43 | 0.1 | undecidable | manual | P | 115 | 21.6672 | 114 | 0.13 | 96 |
IV.MC2.EHZ. | 2021-02-21T19:18:45.60 | 0.3 | undecidable | manual | S | 19 | 8.5803 | 139 | 0.55 | 66 |
IV.FDMO.HHZ. | 2021-02-21T19:18:45.54 | 0.1 | undecidable | manual | P | 346 | 22.6551 | 113 | 0.05 | 97 |
IV.MMO1.EHZ. | 2021-02-21T19:18:43.55 | 0.1 | undecidable | manual | P | 64 | 15.5733 | 122 | -0.67 | 84 |
IV.MC2.EHZ. | 2021-02-21T19:18:43.64 | 0.1 | undecidable | manual | P | 19 | 8.5803 | 139 | 0.5 | 90 |
IV.NRCA.HHZ. | 2021-02-21T19:18:43.68 | 0.1 | undecidable | manual | S | 261 | 3.2967 | 161 | -0.44 | 92 |
IV.NRCA.HHZ. | 2021-02-21T19:18:42.67 | 0.1 | undecidable | manual | P | 261 | 3.2967 | 161 | 0.07 | 100 |
IV.MTMR.EHZ. | 2021-02-21T19:18:31.04 | 3.0 | undecidable | manual | S | -0.38 | 0 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHN. | ML:1.4 | 0.0005105 | 0.08 | AML | other | m | 2021-02-21T19:18:43.79 |
IV.NRCA.HHE. | ML:1.3 | 0.00033650000000000005 | 1.58 | AML | other | m | 2021-02-21T19:18:44.81 |
IV.CESI.HHN. | ML:1.0 | 0.000050299999999999996 | 0.26 | AML | other | m | 2021-02-21T19:18:50.68 |
IV.CESI.HHE. | ML:0.8 | 0.0000362 | 0.54 | AML | other | m | 2021-02-21T19:18:50.89 |
IV.NRCA.HNE. | ML:1.2 | 0.00028555505 | 0.0896 | AML | other | m | 2021-02-21T19:18:43.85 |
IV.NRCA.HNN. | ML:1.4 | 0.00048070165 | 0.064 | AML | other | m | 2021-02-21T19:18:43.80 |
IV.FDMO.HHE. | ML:0.5 | 0.000018145619499999998 | 0.1664 | AML | other | m | 2021-02-21T19:18:50.78 |
IV.FDMO.HHN. | ML:0.4 | 0.00001709755 | 0.1664 | AML | other | m | 2021-02-21T19:18:51.22 |
IV.CESI.HNE. | ML:1.2 | 0.0000750533045 | 1.1264 | AML | other | m | 2021-02-21T19:18:50.53 |
IV.CESI.HNN. | ML:1.5 | 0.0001660528 | 0.192 | AML | other | m | 2021-02-21T19:18:51.12 |
IV.CSP1.EHE. | ML:0.9 | 0.00003954029 | 0.4352 | AML | other | m | 2021-02-21T19:18:52.74 |
IV.CSP1.EHN. | ML:0.8 | 0.00003270111 | 0.2176 | AML | other | m | 2021-02-21T19:18:51.48 |