A magnitude ML 1.1 earthquake occured in region: 3 km E Cerreto di Spoleto (PG), on
and geographic coordinates (lat, lon) 42.8160, 12.9560 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 |
---|---|---|---|---|
Cerreto di Spoleto | PG | 3 | 1075 | 1075 |
Sellano | PG | 9 | 1079 | 2154 |
Vallo di Nera | PG | 9 | 364 | 2518 |
Preci | PG | 10 | 724 | 3242 |
Norcia | PG | 12 | 4957 | 8199 |
Poggiodomo | PG | 12 | 117 | 8316 |
Cascia | PG | 12 | 3217 | 11533 |
Sant'Anatolia di Narco | PG | 13 | 564 | 12097 |
Campello sul Clitunno | PG | 15 | 2442 | 14539 |
Scheggino | PG | 15 | 461 | 15000 |
Visso | MC | 17 | 1107 | 16107 |
Trevi | PG | 18 | 8469 | 24576 |
Monteleone di Spoleto | PG | 18 | 599 | 25175 |
Castelsantangelo sul Nera | MC | 18 | 281 | 25456 |
Spoleto | PG | 20 | 38218 | 63674 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2020-10-20 04:43:23 |
42.8163 | 12.9558 | 11 | 2020-10-20 05:06:24 |
Sala Sismica INGV-Roma | 83942271 |
Field | Value |
---|---|
Time (UTC) | 2020-10-20 04:43:23 ± 0.03 |
Latitude | 42.8163 ± 0.0018 |
Longitude | 12.9558 ± 0.0025 |
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 | 83942271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 239 |
Semi-minor axis of confidence ellipse (meter) | 31 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 109 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 240.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 105 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 16 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.08 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.36153 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 83942271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-10-20 05:06:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.SRES.HHZ. | 2020-10-20T04:43:43.46 | 3.0 | undecidable | manual | S | -3.76 | 0 | |||
IV.EL6.EHZ. | 2020-10-20T04:43:34.05 | 3.0 | negative | manual | P | -0.08 | 0 | |||
IV.FDMO.HHZ. | 2020-10-20T04:43:33.07 | 0.6 | undecidable | manual | S | 24 | 26.6511 | 50 | -0.01 | 50 |
IV.MC2.EHZ. | 2020-10-20T04:43:31.76 | 0.6 | undecidable | manual | S | 61 | 21.6672 | 116 | 0.01 | 50 |
IV.RM33.EHZ. | 2020-10-20T04:43:31.09 | 0.6 | undecidable | manual | P | 148 | 40.1265 | 50 | 0.03 | 49 |
IV.CESI.HHZ. | 2020-10-20T04:43:31.49 | 0.6 | undecidable | manual | S | 349 | 21.3675 | 116 | -0.15 | 49 |
IV.CSP1.EHZ. | 2020-10-20T04:43:30.56 | 1.0 | positive | manual | P | 33 | 36.6411 | 50 | 0.04 | 24 |
IV.ASSB.HHZ. | 2020-10-20T04:43:30.19 | 0.6 | negative | manual | P | 316 | 34.8429 | 50 | -0.05 | 49 |
IV.NRCA.HHZ. | 2020-10-20T04:43:29.04 | 0.6 | undecidable | manual | S | 82 | 13.0758 | 129 | -0.16 | 50 |
IV.GAVE.EHZ. | 2020-10-20T04:43:29.51 | 0.6 | undecidable | manual | S | 200 | 14.6742 | 126 | -0.14 | 50 |
IV.ARRO.EHZ. | 2020-10-20T04:43:29.59 | 0.3 | negative | manual | P | 211 | 30.5472 | 50 | 0 | 75 |
IV.MMO1.EHZ. | 2020-10-20T04:43:29.76 | 0.3 | positive | manual | P | 73 | 31.5462 | 50 | 0.02 | 74 |
IV.CESI.HHZ. | 2020-10-20T04:43:28.23 | 0.1 | positive | manual | P | 349 | 21.3675 | 116 | 0.08 | 100 |
IV.MC2.EHZ. | 2020-10-20T04:43:28.40 | 1.0 | negative | manual | P | 61 | 21.6672 | 116 | 0.18 | 24 |
IV.LNSS.HHZ. | 2020-10-20T04:43:28.61 | 0.1 | undecidable | manual | P | 164 | 24.6531 | 50 | -0.07 | 99 |
IV.FDMO.HHZ. | 2020-10-20T04:43:28.95 | 1.0 | undecidable | manual | P | 24 | 26.6511 | 50 | -0.04 | 25 |
IV.GAVE.EHZ. | 2020-10-20T04:43:27.12 | 0.1 | positive | manual | P | 200 | 14.6742 | 126 | 0.12 | 100 |
IV.NRCA.HHZ. | 2020-10-20T04:43:26.86 | 0.6 | undecidable | manual | P | 82 | 13.0758 | 129 | 0.12 | 50 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.3 | 0.00022899999999999998 | 0.18 | AML | other | m | 2020-10-20T04:43:29.35 |
IV.NRCA.HHN. | ML:1.2 | 0.000158 | 0.66 | AML | other | m | 2020-10-20T04:43:29.46 |
IV.GAVE.EHE. | ML:1.2 | 0.000156 | 1.04 | AML | other | m | 2020-10-20T04:43:30.21 |
IV.GAVE.EHN. | ML:1.3 | 0.00017930000000000002 | 0.6 | AML | other | m | 2020-10-20T04:43:30.33 |
IV.CESI.HHN. | ML:0.9 | 0.00006105 | 1.66 | AML | other | m | 2020-10-20T04:43:31.05 |
IV.CESI.HHE. | ML:1.0 | 0.0000708 | 0.5 | AML | other | m | 2020-10-20T04:43:32.30 |
IV.FDMO.HHN. | ML:1.1 | 0.0000672 | 0.14 | AML | other | m | 2020-10-20T04:43:33.55 |
IV.FDMO.HHE. | ML:1.0 | 0.00005415 | 1.1 | AML | other | m | 2020-10-20T04:43:33.23 |
IV.ASSB.HHE. | ML:0.9 | 0.0000361 | 0.32 | AML | other | m | 2020-10-20T04:43:35.49 |
IV.ASSB.HHN. | ML:1.0 | 0.000046649999999999996 | 0.42 | AML | other | m | 2020-10-20T04:43:35.59 |
IV.RM33.EHE. | ML:0.9 | 0.000022700000000000003 | 1.54 | AML | other | m | 2020-10-20T04:43:37.22 |
IV.RM33.EHN. | ML:0.8 | 0.00002025 | 0.76 | AML | other | m | 2020-10-20T04:43:38.43 |