A magnitude ML 1.2 earthquake occured in region: 1 km NE Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7440, 12.7500 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 |
---|---|---|---|---|
Spoleto | PG | 1 | 38218 | 38218 |
Sant'Anatolia di Narco | PG | 7 | 564 | 38782 |
Scheggino | PG | 8 | 461 | 39243 |
Campello sul Clitunno | PG | 9 | 2442 | 41685 |
Vallo di Nera | PG | 10 | 364 | 42049 |
Castel Ritaldi | PG | 11 | 3278 | 45327 |
Ferentillo | TR | 14 | 1913 | 47240 |
Trevi | PG | 15 | 8469 | 55709 |
Poggiodomo | PG | 16 | 117 | 55826 |
Cerreto di Spoleto | PG | 16 | 1075 | 56901 |
Montefranco | TR | 16 | 1276 | 58177 |
Giano dell'Umbria | PG | 17 | 3846 | 62023 |
Acquasparta | TR | 18 | 4778 | 66801 |
Arrone | TR | 18 | 2763 | 69564 |
Montefalco | PG | 19 | 5679 | 75243 |
Massa Martana | PG | 19 | 3770 | 79013 |
Polino | TR | 19 | 233 | 79246 |
Monteleone di Spoleto | PG | 20 | 599 | 79845 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-02-11 04:55:53 |
42.7443 | 12.7495 | 10 | 2021-02-11 05:02:41 |
Sala Sismica INGV-Roma | 87032161 |
Field | Value |
---|---|
Time (UTC) | 2021-02-11 04:55:53 ± 0.05 |
Latitude | 42.7443 ± 0.0036 |
Longitude | 12.7495 ± 0.0049 |
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 | 87032161 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 504 |
Semi-minor axis of confidence ellipse (meter) | 299 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 230 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 500.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 73 |
Number of associated phases, regardless of their use for origin computation | 22 |
Number of defining phases | 20 |
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) | 0.38311 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.0 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 87032161 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-11 05:02:41 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ARVD.HHZ. | 2021-02-11T04:56:19.17 | 3.0 | undecidable | manual | S | -0.5 | 0 | |||
IV.MNTT.EHZ. | 2021-02-11T04:56:09.99 | 3.0 | negative | manual | P | 2.71 | 0 | |||
IV.FDMO.HHZ. | 2021-02-11T04:56:07.97 | 0.3 | undecidable | manual | S | 40 | 42.5241 | 50 | 0.09 | 71 |
IV.ASSB.HHZ. | 2021-02-11T04:56:05.42 | 0.6 | undecidable | manual | S | 347 | 33.9438 | 50 | -0.17 | 48 |
IV.CESI.HHZ. | 2021-02-11T04:56:04.93 | 0.3 | undecidable | manual | S | 24 | 31.5462 | 50 | -0.03 | 74 |
IV.NRCA.HHZ. | 2021-02-11T04:56:04.82 | 0.3 | undecidable | manual | S | 71 | 31.3464 | 50 | -0.08 | 73 |
IV.LNSS.HHZ. | 2021-02-11T04:56:03.79 | 0.6 | undecidable | manual | S | 123 | 28.4493 | 50 | -0.34 | 46 |
IV.FDMO.HHZ. | 2021-02-11T04:56:02.32 | 0.1 | undecidable | manual | P | 40 | 42.5241 | 50 | 0.36 | 90 |
IV.ARRO.EHE. | 2021-02-11T04:56:01.30 | 0.6 | undecidable | manual | S | 176 | 18.3705 | 119 | 0.17 | 49 |
IV.CESX.HHZ. | 2021-02-11T04:56:01.69 | 0.3 | undecidable | manual | S | 221 | 20.0688 | 117 | 0.03 | 75 |
IV.ASSB.HHZ. | 2021-02-11T04:56:00.74 | 1.0 | negative | manual | P | 347 | 33.9438 | 50 | 0.11 | 24 |
IT.GNU.HGZ. | 2021-02-11T04:56:00.42 | 0.6 | undecidable | manual | S | 294 | 15.9729 | 122 | -0.01 | 51 |
IV.MOMA.HHZ. | 2021-02-11T04:56:00.13 | 0.3 | undecidable | manual | S | 294 | 16.0728 | 122 | -0.31 | 71 |
IV.CESI.HHZ. | 2021-02-11T04:56:00.24 | 0.6 | undecidable | manual | P | 24 | 31.5462 | 50 | -0.03 | 49 |
IV.NRCA.HHZ. | 2021-02-11T04:56:00.29 | 1.0 | negative | manual | P | 71 | 31.3464 | 50 | 0.05 | 24 |
IV.GAVE.EHZ. | 2021-02-11T04:55:59.20 | 0.6 | undecidable | manual | S | 116 | 13.1757 | 128 | -0.41 | 47 |
IV.LNSS.HHZ. | 2021-02-11T04:55:59.67 | 0.1 | undecidable | manual | P | 123 | 28.4493 | 50 | -0.12 | 97 |
IV.ARRO.EHE. | 2021-02-11T04:55:58.23 | 0.3 | undecidable | manual | P | 176 | 18.3705 | 119 | 0.17 | 73 |
IV.CESX.HHZ. | 2021-02-11T04:55:58.28 | 1.0 | undecidable | manual | P | 221 | 20.0688 | 117 | -0.09 | 25 |
IV.GAVE.EHZ. | 2021-02-11T04:55:57.48 | 0.6 | negative | manual | P | 116 | 13.1757 | 128 | 0.3 | 48 |
IT.GNU.HGZ. | 2021-02-11T04:55:57.73 | 0.1 | undecidable | manual | P | 294 | 15.9729 | 122 | 0.08 | 100 |
IV.MOMA.HHZ. | 2021-02-11T04:55:57.69 | 0.3 | negative | manual | P | 294 | 16.0728 | 122 | 0.03 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MOMA.HHE. | ML:1.2 | 0.00013949999999999998 | 0.7 | AML | other | m | 2021-02-11T04:56:00.60 |
IV.MOMA.HHN. | ML:1.1 | 0.0001185 | 0.86 | AML | other | m | 2021-02-11T04:56:00.63 |
IV.NRCA.HHN. | ML:1.2 | 0.0000641 | 0.6 | AML | other | m | 2021-02-11T04:56:05.08 |
IV.NRCA.HHE. | ML:1.2 | 0.00007445 | 0.16 | AML | other | m | 2021-02-11T04:56:06.79 |