A magnitude ML 0.8 earthquake occured in region: Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7340, 12.7390 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 |
---|---|---|---|---|
Spoleto | PG | 0 | 38218 | 38218 |
Scheggino | PG | 8 | 461 | 38679 |
Sant'Anatolia di Narco | PG | 8 | 564 | 39243 |
Campello sul Clitunno | PG | 10 | 2442 | 41685 |
Vallo di Nera | PG | 11 | 364 | 42049 |
Castel Ritaldi | PG | 11 | 3278 | 45327 |
Ferentillo | TR | 13 | 1913 | 47240 |
Montefranco | TR | 15 | 1276 | 48516 |
Trevi | PG | 16 | 8469 | 56985 |
Poggiodomo | PG | 16 | 117 | 57102 |
Acquasparta | TR | 16 | 4778 | 61880 |
Arrone | TR | 17 | 2763 | 64643 |
Giano dell'Umbria | PG | 17 | 3846 | 68489 |
Cerreto di Spoleto | PG | 17 | 1075 | 69564 |
Massa Martana | PG | 18 | 3770 | 73334 |
Polino | TR | 19 | 233 | 73567 |
Montefalco | PG | 19 | 5679 | 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 0.8 | 2021-02-20 00:28:05 |
42.7343 | 12.7393 | 12 | 2021-02-20 00:35:44 |
Sala Sismica INGV-Roma | 87309771 |
Field | Value |
---|---|
Time (UTC) | 2021-02-20 00:28:05 ± 0.18 |
Latitude | 42.7343 ± 0.0063 |
Longitude | 12.7393 ± 0.0110 |
Depth (km) | 12 ± 2 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 87309771 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 818 |
Semi-minor axis of confidence ellipse (meter) | 679 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 248 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 820.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 178 |
Number of associated phases, regardless of their use for origin computation | 14 |
Number of defining phases | 12 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.18 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.39480 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 6 |
Field | Value |
---|---|
Value | 0.8 |
Uncertainty | 0.0 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 87309771 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-20 00:35:44 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.FIAM.HHZ. | 2021-02-20T00:28:26.40 | 3.0 | undecidable | manual | S | 0.02 | 0 | |||
IV.FDMO.HHZ. | 2021-02-20T00:28:19.99 | 0.6 | undecidable | manual | S | 40 | 43.8228 | 91 | 0.2 | 47 |
IV.CESI.HHZ. | 2021-02-20T00:28:16.91 | 0.6 | undecidable | manual | S | 24 | 32.8449 | 92 | 0.05 | 50 |
IV.NRCA.HHZ. | 2021-02-20T00:28:16.62 | 0.6 | undecidable | manual | S | 70 | 32.4453 | 92 | -0.13 | 49 |
IV.LNSS.HHZ. | 2021-02-20T00:28:15.64 | 0.6 | undecidable | manual | S | 121 | 28.5492 | 92 | -0.07 | 50 |
IV.FDMO.HHZ. | 2021-02-20T00:28:13.85 | 1.0 | positive | manual | P | 40 | 43.8228 | 91 | 0.05 | 24 |
IV.NRCA.HHZ. | 2021-02-20T00:28:12.04 | 0.1 | undecidable | manual | P | 70 | 32.4453 | 92 | -0.01 | 100 |
IV.MOMA.HHZ. | 2021-02-20T00:28:12.03 | 0.6 | undecidable | manual | S | 299 | 15.7731 | 101 | -0.28 | 49 |
IV.ASSB.HHZ. | 2021-02-20T00:28:12.65 | 3.0 | negative | manual | P | 0.04 | 0 | |||
IV.LNSS.HHZ. | 2021-02-20T00:28:11.38 | 0.1 | undecidable | manual | P | 121 | 28.5492 | 92 | -0.07 | 100 |
IV.GAVE.EHZ. | 2021-02-20T00:28:11.43 | 0.6 | undecidable | manual | S | 110 | 13.4754 | 109 | -0.28 | 49 |
IV.CESI.HHZ. | 2021-02-20T00:28:11.87 | 0.6 | undecidable | manual | P | 24 | 32.8449 | 92 | -0.24 | 48 |
IV.GAVE.EHZ. | 2021-02-20T00:28:09.51 | 0.1 | undecidable | manual | P | 110 | 13.4754 | 109 | 0.37 | 96 |
IV.MOMA.HHZ. | 2021-02-20T00:28:09.57 | 0.3 | positive | manual | P | 299 | 15.7731 | 101 | 0.08 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MOMA.HHN. | ML:0.8 | 0.000057249999999999996 | 0.16 | AML | other | m | 2021-02-20T00:28:12.65 |
IV.MOMA.HHE. | ML:0.8 | 0.00004795 | 0.66 | AML | other | m | 2021-02-20T00:28:13.10 |
IV.NRCA.HHN. | ML:0.8 | 0.000027 | 0.1 | AML | other | m | 2021-02-20T00:28:16.97 |
IV.NRCA.HHE. | ML:0.8 | 0.0000294 | 1.4 | AML | other | m | 2021-02-20T00:28:17.20 |