A magnitude ML 1.0 earthquake occured in region: 2 km E Spoleto (PG), on
and geographic coordinates (lat, lon) 42.7450, 12.7670 at 7 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 |
---|---|---|---|---|
Spoleto | PG | 3 | 38218 | 38218 |
Sant'Anatolia di Narco | PG | 6 | 564 | 38782 |
Scheggino | PG | 6 | 461 | 39243 |
Vallo di Nera | PG | 8 | 364 | 39607 |
Campello sul Clitunno | PG | 9 | 2442 | 42049 |
Castel Ritaldi | PG | 12 | 3278 | 45327 |
Ferentillo | TR | 14 | 1913 | 47240 |
Poggiodomo | PG | 14 | 117 | 47357 |
Cerreto di Spoleto | PG | 15 | 1075 | 48432 |
Trevi | PG | 15 | 8469 | 56901 |
Montefranco | TR | 16 | 1276 | 58177 |
Arrone | TR | 18 | 2763 | 60940 |
Giano dell'Umbria | PG | 18 | 3846 | 64786 |
Monteleone di Spoleto | PG | 18 | 599 | 65385 |
Polino | TR | 19 | 233 | 65618 |
Acquasparta | TR | 19 | 4778 | 70396 |
Montefalco | PG | 19 | 5679 | 76075 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 1.0 | 2021-02-21 22:17:21 |
42.745 | 12.7667 | 7 | 2021-07-12 16:55:03 |
Bollettino Sismico Italiano INGV | 88388211 |
Reviewed Rev100 |
ML 1.1 | 2021-02-21 22:17:21 |
42.7487 | 12.7665 | 6 | 2021-02-21 22:27:14 |
Sala Sismica INGV-Roma | 87363381 |
Field | Value |
---|---|
Time (UTC) | 2021-02-21 22:17:21 ± 0.11 |
Latitude | 42.7450 ± 0.0045 |
Longitude | 12.7667 ± 0.0061 |
Depth (km) | 7 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 88388211 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 480 |
Semi-minor axis of confidence ellipse (meter) | 300 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 104 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 480.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 68 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 18 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.28 |
Epicentral distance of station closest to the epicenter (degree) | 0.10792 |
Epicentral distance of station farthest from the epicenter (degree) | 0.47214 |
Number of stations at which the event was observed | 9 |
Number of stations from which data was used for origin computation | 9 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.3 |
Num. used stations | 21 |
Type of magnitude | ML |
Reference to an origin | 88388211 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2021-03-22 18:24:31 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.3 |
Num. used stations | 17 |
Type of magnitude | ML |
Reference to an origin | 87363381 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-02-21 22:27:14 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-02-21T22:17:38.78 | 0.3 | undecidable | manual | S | 43 | 52.4031 | 50 | 0.15 | 70 |
IV.ASSB.HHZ. | 2021-02-21T22:17:34.09 | 0.6 | undecidable | manual | S | 345 | 34.1436 | 101 | 0.81 | 40 |
IV.CESI.HHZ. | 2021-02-21T22:17:32.56 | 0.6 | undecidable | manual | S | 21 | 30.9468 | 102 | 0.37 | 46 |
IV.NRCA.HHZ. | 2021-02-21T22:17:31.72 | 0.3 | undecidable | manual | S | 71 | 29.9478 | 103 | -0.14 | 73 |
IV.CSP1.EHZ. | 2021-02-21T22:17:30.98 | 0.3 | undecidable | manual | P | 43 | 52.4031 | 50 | -0.29 | 68 |
IV.LNSS.HHZ. | 2021-02-21T22:17:30.48 | 0.3 | undecidable | manual | S | 125 | 27.3504 | 104 | -0.5 | 68 |
IV.CESX.HHZ. | 2021-02-21T22:17:29.09 | 0.6 | undecidable | manual | S | 224 | 21.0678 | 108 | 0.2 | 49 |
IV.ARRO.EHZ. | 2021-02-21T22:17:28.36 | 0.6 | undecidable | manual | S | 180 | 18.3705 | 110 | 0.35 | 47 |
IV.ASSB.HHZ. | 2021-02-21T22:17:27.83 | 0.6 | undecidable | manual | P | 345 | 34.1436 | 101 | -0.36 | 46 |
IV.MOMA.HHZ. | 2021-02-21T22:17:27.06 | 0.6 | undecidable | manual | S | 292 | 17.2716 | 111 | -0.58 | 45 |
IV.NRCA.HHZ. | 2021-02-21T22:17:27.35 | 0.3 | undecidable | manual | P | 71 | 29.9478 | 103 | -0.01 | 75 |
IV.CESI.HHZ. | 2021-02-21T22:17:27.71 | 0.3 | undecidable | manual | P | 21 | 30.9468 | 102 | 0.16 | 73 |
IV.LNSS.HHZ. | 2021-02-21T22:17:26.82 | 0.1 | undecidable | manual | P | 125 | 27.3504 | 104 | -0.03 | 100 |
IV.CESX.HHZ. | 2021-02-21T22:17:25.77 | 0.1 | undecidable | manual | P | 224 | 21.0678 | 108 | 0.13 | 99 |
IV.ARRO.EHZ. | 2021-02-21T22:17:25.42 | 0.3 | undecidable | manual | P | 180 | 18.3705 | 110 | 0.29 | 72 |
IV.GAVE.EHZ. | 2021-02-21T22:17:25.89 | 0.3 | undecidable | manual | S | 119 | 11.9769 | 119 | -0.07 | 76 |
IV.GAVE.EHZ. | 2021-02-21T22:17:24.17 | 0.1 | undecidable | manual | P | 119 | 11.9769 | 119 | 0.22 | 99 |
IV.MOMA.HHZ. | 2021-02-21T22:17:24.51 | 0.1 | undecidable | manual | P | 292 | 17.2716 | 111 | -0.42 | 94 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.ASSB.HHE. | ML:1.3 | 0.00008099999999999999 | 0.3 | AML | other | m | 2021-02-21T22:17:26.50 |
IV.ASSB.HHN. | ML:1.0 | 0.0000440091 | 0.192 | AML | other | m | 2021-02-21T22:17:26.74 |
IV.GAVE.EHN. | ML:0.8 | 0.000085731555 | 0.1408 | AML | other | m | 2021-02-21T22:17:27.10 |
IV.GAVE.EHE. | ML:1.0 | 0.000125886565 | 0.128 | AML | other | m | 2021-02-21T22:17:27.17 |
IV.MOMA.HHE. | ML:0.8 | 0.0000592 | 1.84 | AML | other | m | 2021-02-21T22:17:28.96 |
IV.MOMA.HHN. | ML:0.7 | 0.00004495 | 0.6 | AML | other | m | 2021-02-21T22:17:28.55 |
IV.LNSS.HNE. | ML:1.5 | 0.0001644526 | 1.0528 | AML | other | m | 2021-02-21T22:17:28.35 |
IV.MOMA.HNE. | ML:1.3 | 0.00016958325 | 0.4896 | AML | other | m | 2021-02-21T22:17:28.74 |
IV.CESX.HHN. | ML:0.8 | 0.00004475 | 0.28 | AML | other | m | 2021-02-21T22:17:30.08 |
IV.LNSS.HHE. | ML:1.1 | 0.00006735 | 0.16 | AML | other | m | 2021-02-21T22:17:30.66 |
IV.ARRO.EHE. | ML:0.6 | 0.000033023645 | 0.192 | AML | other | m | 2021-02-21T22:17:31.03 |
IV.CESX.HHE. | ML:0.7 | 0.00003305 | 0.3 | AML | other | m | 2021-02-21T22:17:31.44 |
IV.LNSS.HHN. | ML:1.0 | 0.00005504804000000001 | 0.2048 | AML | other | m | 2021-02-21T22:17:31.33 |
IV.ARRO.EHN. | ML:0.5 | 0.000023914055 | 0.192 | AML | other | m | 2021-02-21T22:17:31.67 |
IV.LNSS.HNN. | ML:1.5 | 0.00019167075 | 0.5376 | AML | other | m | 2021-02-21T22:17:31.53 |
IV.CESI.HHN. | ML:0.9 | 0.000033930484999999995 | 0.1664 | AML | other | m | 2021-02-21T22:17:32.66 |
IV.CESI.HHE. | ML:0.6 | 0.000019429135 | 0.064 | AML | other | m | 2021-02-21T22:17:32.99 |
IV.GAVE.HNE. | ML:1.4 | 0.00037091655 | 0.6912 | AML | other | m | 2021-02-21T22:17:33.08 |
IV.GAVE.HNN. | ML:1.2 | 0.00021224145 | 0.8576 | AML | other | m | 2021-02-21T22:17:33.09 |
IV.CESI.HNE. | ML:1.7 | 0.00026048293 | 0.864 | AML | other | m | 2021-02-21T22:17:49.67 |
IV.CESI.HNN. | ML:1.6 | 0.00019710364499999998 | 1.3248 | AML | other | m | 2021-02-21T22:17:49.97 |