A magnitude ML 0.7 earthquake occured in region: 4 km NE Norcia (PG), on
and geographic coordinates (lat, lon) 42.8290, 13.1130 at 11 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 |
---|---|---|---|---|
Norcia | PG | 4 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 8 | 281 | 5238 |
Preci | PG | 8 | 724 | 5962 |
Visso | MC | 12 | 1107 | 7069 |
Ussita | MC | 13 | 444 | 7513 |
Cascia | PG | 15 | 3217 | 10730 |
Cerreto di Spoleto | PG | 16 | 1075 | 11805 |
Arquata del Tronto | AP | 16 | 1178 | 12983 |
Sellano | PG | 17 | 1079 | 14062 |
Montegallo | AP | 18 | 523 | 14585 |
Accumoli | RI | 19 | 667 | 15252 |
Montemonaco | AP | 19 | 604 | 15856 |
Poggiodomo | PG | 19 | 117 | 15973 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.7 | 2021-02-25 01:29:34 |
42.8292 | 13.1132 | 11 | 2021-07-12 16:55:12 |
Bollettino Sismico Italiano INGV | 90338321 |
Field | Value |
---|---|
Time (UTC) | 2021-02-25 01:29:34 ± 0.05 |
Latitude | 42.8292 ± 0.0027 |
Longitude | 13.1132 ± 0.0037 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 90338321 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 327 |
Semi-minor axis of confidence ellipse (meter) | 287 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 65 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 330.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 89 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 22 |
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) | 0.00450 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41549 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.4 |
Num. used stations | 10 |
Type of magnitude | ML |
Reference to an origin | 90338321 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-05-21 15:01:17 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-02-25T01:29:49.38 | 0.6 | undecidable | manual | S | 120 | 46.1205 | 50 | -0.1 | 46 |
IV.CSP1.EHZ. | 2021-02-25T01:29:45.26 | 0.6 | undecidable | manual | S | 14 | 30.0477 | 50 | 0.05 | 48 |
IV.SMA1.EHN. | 2021-02-25T01:29:44.79 | 0.6 | undecidable | manual | S | 141 | 28.5492 | 50 | 0 | 48 |
IV.GAVE.EHN. | 2021-02-25T01:29:43.27 | 0.6 | undecidable | manual | S | 230 | 23.4543 | 50 | -0.16 | 47 |
IV.FDMO.HHZ. | 2021-02-25T01:29:43.03 | 0.6 | undecidable | manual | S | 355 | 23.0547 | 50 | -0.32 | 46 |
IV.LNSS.HNZ. | 2021-02-25T01:29:43.99 | 0.6 | undecidable | manual | S | 193 | 25.752 | 50 | -0.07 | 48 |
IV.TERO.HHZ. | 2021-02-25T01:29:43.38 | 0.3 | undecidable | manual | P | 120 | 46.1205 | 50 | 0.19 | 68 |
IV.CESI.HHZ. | 2021-02-25T01:29:43.98 | 0.6 | undecidable | manual | S | 319 | 25.8519 | 50 | -0.1 | 48 |
IV.MTRA.EHE. | 2021-02-25T01:29:43.69 | 0.3 | undecidable | manual | S | 109 | 24.4533 | 50 | -0.01 | 73 |
IV.MMO1.EHZ. | 2021-02-25T01:29:41.95 | 0.3 | undecidable | manual | S | 66 | 19.0698 | 119 | -0.21 | 71 |
IV.CESI.HHZ. | 2021-02-25T01:29:40.01 | 0.3 | undecidable | manual | P | 319 | 25.8519 | 50 | -0.06 | 72 |
IV.SMA1.EHN. | 2021-02-25T01:29:40.38 | 0.3 | undecidable | manual | P | 141 | 28.5492 | 50 | -0.11 | 71 |
IV.CSP1.EHZ. | 2021-02-25T01:29:40.83 | 0.1 | undecidable | manual | P | 14 | 30.0477 | 50 | 0.1 | 95 |
IV.GAVE.EHN. | 2021-02-25T01:29:40.06 | 0.3 | undecidable | manual | P | 230 | 23.4543 | 50 | 0.36 | 68 |
IV.LNSS.HNZ. | 2021-02-25T01:29:40.07 | 0.1 | undecidable | manual | P | 193 | 25.752 | 50 | 0 | 97 |
IV.MC2.EHZ. | 2021-02-25T01:29:40.10 | 0.6 | undecidable | manual | S | 34 | 10.9779 | 134 | 0.2 | 48 |
IV.MTRA.EHE. | 2021-02-25T01:29:39.80 | 0.3 | undecidable | manual | P | 109 | 24.4533 | 50 | -0.06 | 72 |
IV.FDMO.HHZ. | 2021-02-25T01:29:39.62 | 0.1 | undecidable | manual | P | 355 | 23.0547 | 50 | -0.03 | 97 |
IV.MMO1.EHZ. | 2021-02-25T01:29:38.98 | 0.1 | undecidable | manual | P | 66 | 19.0698 | 119 | 0.01 | 98 |
IV.MC2.EHZ. | 2021-02-25T01:29:37.96 | 0.1 | undecidable | manual | P | 34 | 10.9779 | 134 | 0.3 | 94 |
IV.NRCA.HHZ. | 2021-02-25T01:29:37.89 | 0.3 | undecidable | manual | S | 10 | 0.4995 | 177 | -0.38 | 70 |
IV.NRCA.HHZ. | 2021-02-25T01:29:36.80 | 0.1 | undecidable | manual | P | 10 | 0.4995 | 177 | 0.08 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.5 | 0.0006274999999999999 | 1.84 | AML | other | m | 2021-02-25T01:29:37.03 |
IV.NRCA.HHN. | ML:1.1 | 0.00024249999999999999 | 0.1 | AML | other | m | 2021-02-25T01:29:38.05 |
IV.NRCA.HNE. | ML:1.5 | 0.0005904427999999999 | 0.1192 | AML | other | m | 2021-02-25T01:29:38.03 |
IV.NRCA.HNN. | ML:1.2 | 0.00026265295 | 0.1 | AML | other | m | 2021-02-25T01:29:38.11 |
IV.FDMO.HHE. | ML:0.4 | 0.000013930513 | 0.16 | AML | other | m | 2021-02-25T01:29:44.29 |
IV.FDMO.HHN. | ML:0.4 | 0.000016301165 | 0.18 | AML | other | m | 2021-02-25T01:29:43.61 |
IV.CESI.HHE. | ML:0.4 | 0.000012660423500000001 | 0.1 | AML | other | m | 2021-02-25T01:29:44.26 |
IV.CESI.HHN. | ML:0.4 | 0.000015446169499999998 | 0.12 | AML | other | m | 2021-02-25T01:29:44.19 |
IV.CSP1.EHN. | ML:0.8 | 0.00003054008 | 0.12 | AML | other | m | 2021-02-25T01:29:45.75 |
IV.TERO.HHE. | ML:0.2 | 0.0000056126435 | 0.1 | AML | other | m | 2021-02-25T01:29:50.23 |