A magnitude ML 1.2 earthquake occured in region: 3 km NE Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7560, 12.7550 at 11 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 | 3 | 38218 | 38218 |
Sant'Anatolia di Narco | PG | 7 | 564 | 38782 |
Campello sul Clitunno | PG | 8 | 2442 | 41224 |
Scheggino | PG | 8 | 461 | 41685 |
Vallo di Nera | PG | 9 | 364 | 42049 |
Castel Ritaldi | PG | 10 | 3278 | 45327 |
Trevi | PG | 14 | 8469 | 53796 |
Cerreto di Spoleto | PG | 15 | 1075 | 54871 |
Ferentillo | TR | 15 | 1913 | 56784 |
Poggiodomo | PG | 16 | 117 | 56901 |
Giano dell'Umbria | PG | 17 | 3846 | 60747 |
Montefalco | PG | 18 | 5679 | 66426 |
Montefranco | TR | 18 | 1276 | 67702 |
Acquasparta | TR | 18 | 4778 | 72480 |
Massa Martana | PG | 19 | 3770 | 76250 |
Arrone | TR | 19 | 2763 | 79013 |
Monteleone di Spoleto | PG | 20 | 599 | 79612 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.2 | 2021-10-21 09:05:03 |
42.7558 | 12.7548 | 11 | 2021-10-21 09:09:27 |
Sala Sismica INGV-Roma | 96835361 |
Field | Value |
---|---|
Time (UTC) | 2021-10-21 09:05:03 ± 0.04 |
Latitude | 42.7558 ± 0.0027 |
Longitude | 12.7548 ± 0.0024 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 96835361 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 263 |
Semi-minor axis of confidence ellipse (meter) | 199 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 218 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 260.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 94 |
Number of associated phases, regardless of their use for origin computation | 16 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.1 |
Epicentral distance of station closest to the epicenter (degree) | 0.12051 |
Epicentral distance of station farthest from the epicenter (degree) | 0.29498 |
Number of stations at which the event was observed | 8 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.2 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 96835361 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-10-21 09:09:27 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.ASSB.HHZ. | 2021-10-21T09:05:14.48 | 0.6 | undecidable | manual | S | 346 | 32.745 | 50 | 0.19 | 47 |
IV.NRCA.HHZ. | 2021-10-21T09:05:13.43 | 0.6 | undecidable | manual | S | 73 | 30.5472 | 50 | -0.26 | 46 |
IV.CESI.HHZ. | 2021-10-21T09:05:13.59 | 0.6 | undecidable | manual | S | 24 | 30.1476 | 50 | -0.02 | 49 |
IV.LNSS.HHZ. | 2021-10-21T09:05:13.11 | 0.6 | undecidable | manual | S | 126 | 28.8489 | 50 | -0.13 | 48 |
IV.CESX.HHZ. | 2021-10-21T09:05:11.32 | 0.6 | undecidable | manual | S | 220 | 21.3675 | 50 | 0.08 | 49 |
IV.ASSB.HHZ. | 2021-10-21T09:05:09.59 | 0.3 | undecidable | manual | P | 346 | 32.745 | 50 | 0.06 | 72 |
IV.GAVE.EHZ. | 2021-10-21T09:05:09.11 | 0.6 | undecidable | manual | S | 122 | 13.3755 | 129 | 0.13 | 49 |
IV.LNSS.HHZ. | 2021-10-21T09:05:09.06 | 1.0 | undecidable | manual | P | 126 | 28.8489 | 50 | 0.14 | 24 |
IV.MOMA.HHZ. | 2021-10-21T09:05:09.61 | 0.6 | undecidable | manual | S | 290 | 15.9729 | 124 | -0.09 | 49 |
IV.NRCA.HHZ. | 2021-10-21T09:05:09.15 | 0.3 | negative | manual | P | 73 | 30.5472 | 50 | -0.03 | 73 |
IV.CESI.HHZ. | 2021-10-21T09:05:09.17 | 0.1 | negative | manual | P | 24 | 30.1476 | 50 | 0.04 | 97 |
IT.GNU.HGZ. | 2021-10-21T09:05:09.44 | 0.6 | undecidable | manual | S | 290 | 15.9729 | 124 | -0.25 | 48 |
IV.CESX.HHZ. | 2021-10-21T09:05:07.71 | 0.6 | positive | manual | P | 220 | 21.3675 | 50 | -0.05 | 49 |
IT.GNU.HGZ. | 2021-10-21T09:05:06.89 | 0.1 | undecidable | manual | P | 290 | 15.9729 | 124 | 0.02 | 100 |
IV.GAVE.EHZ. | 2021-10-21T09:05:06.53 | 0.6 | undecidable | manual | P | 122 | 13.3755 | 129 | 0.07 | 50 |
IV.MOMA.HHZ. | 2021-10-21T09:05:06.98 | 0.6 | negative | manual | P | 290 | 15.9729 | 124 | 0.1 | 49 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHN. | ML:1.4 | 0.0002475 | 0.38 | AML | other | m | 2021-10-21T09:05:09.40 |
IV.GAVE.EHE. | ML:1.3 | 0.00019800000000000002 | 0.1 | AML | other | m | 2021-10-21T09:05:09.46 |
IV.MOMA.HHN. | ML:1.0 | 0.0000932 | 1.52 | AML | other | m | 2021-10-21T09:05:09.14 |
IV.MOMA.HHE. | ML:1.3 | 0.00016805 | 0.12 | AML | other | m | 2021-10-21T09:05:10.37 |
IV.CESX.HHE. | ML:1.0 | 0.00006295000000000001 | 1.4 | AML | other | m | 2021-10-21T09:05:11.95 |
IV.CESX.HHN. | ML:1.0 | 0.00007384999999999999 | 1.58 | AML | other | m | 2021-10-21T09:05:12.09 |
IV.LNSS.HHN. | ML:1.2 | 0.0000818 | 0.18 | AML | other | m | 2021-10-21T09:05:13.76 |
IV.NRCA.HHN. | ML:1.0 | 0.000049949999999999994 | 0.14 | AML | other | m | 2021-10-21T09:05:13.74 |
IV.NRCA.HHE. | ML:1.1 | 0.0000639 | 0.14 | AML | other | m | 2021-10-21T09:05:13.74 |
IV.CESI.HHN. | ML:1.2 | 0.0000718 | 0.26 | AML | other | m | 2021-10-21T09:05:13.91 |
IV.LNSS.HHE. | ML:1.3 | 0.00009795000000000001 | 0.34 | AML | other | m | 2021-10-21T09:05:14.15 |
IV.CESI.HHE. | ML:0.9 | 0.0000413 | 0.92 | AML | other | m | 2021-10-21T09:05:14.89 |