A magnitude ML 1.0 earthquake occured in region: 4 km SE Montefalco (PG), on
and geographic coordinates (lat, lon) 42.8660, 12.6920 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 |
---|---|---|---|---|
Montefalco | PG | 5 | 5679 | 5679 |
Trevi | PG | 5 | 8469 | 14148 |
Castel Ritaldi | PG | 5 | 3278 | 17426 |
Campello sul Clitunno | PG | 9 | 2442 | 19868 |
Giano dell'Umbria | PG | 10 | 3846 | 23714 |
Foligno | PG | 10 | 57155 | 80869 |
Bevagna | PG | 10 | 5081 | 85950 |
Gualdo Cattaneo | PG | 12 | 6155 | 92105 |
Spello | PG | 14 | 8645 | 100750 |
Spoleto | PG | 15 | 38218 | 138968 |
Cannara | PG | 17 | 4305 | 143273 |
Massa Martana | PG | 17 | 3770 | 147043 |
Vallo di Nera | PG | 18 | 364 | 147407 |
Sant'Anatolia di Narco | PG | 19 | 564 | 147971 |
Cerreto di Spoleto | PG | 19 | 1075 | 149046 |
Sellano | PG | 19 | 1079 | 150125 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.0 | 2021-04-05 03:41:32 |
42.8662 | 12.6923 | 11 | 2021-04-05 03:48:57 |
Sala Sismica INGV-Roma | 88781921 |
Field | Value |
---|---|
Time (UTC) | 2021-04-05 03:41:32 ± 0.08 |
Latitude | 42.8662 ± 0.0072 |
Longitude | 12.6923 ± 0.0184 |
Depth (km) | 11 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 88781921 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 1637 |
Semi-minor axis of confidence ellipse (meter) | 483 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 293 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 1640.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 117 |
Number of associated phases, regardless of their use for origin computation | 23 |
Number of defining phases | 22 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.27 |
Epicentral distance of station closest to the epicenter (degree) | 0.10342 |
Epicentral distance of station farthest from the epicenter (degree) | 0.43707 |
Number of stations at which the event was observed | 13 |
Number of stations from which data was used for origin computation | 12 |
Field | Value |
---|---|
Value | 1.0 |
Uncertainty | 0.2 |
Num. used stations | 12 |
Type of magnitude | ML |
Reference to an origin | 88781921 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-05 03:48:57 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CSP1.EHZ. | 2021-04-05T03:41:48.64 | 0.6 | undecidable | manual | S | 59 | 48.5181 | 50 | 0.64 | 41 |
IV.FDMO.HHZ. | 2021-04-05T03:41:45.14 | 0.6 | undecidable | manual | S | 59 | 37.2294 | 50 | 0.16 | 47 |
IV.NRCA.HHZ. | 2021-04-05T03:41:44.39 | 0.3 | undecidable | manual | S | 96 | 34.5432 | 50 | 0.14 | 70 |
IV.MGAB.HNZ. | 2021-04-05T03:41:43.66 | 3.0 | undecidable | manual | P | 47.4192 | 2.35 | 0 | ||
IT.MTCL.HGZ. | 2021-04-05T03:41:42.34 | 0.6 | undecidable | manual | S | 60 | 28.6491 | 50 | -0.36 | 45 |
IV.GAVE.HNZ. | 2021-04-05T03:41:42.27 | 0.6 | undecidable | manual | S | 140 | 25.3524 | 50 | 0.46 | 45 |
IV.CSP1.EHZ. | 2021-04-05T03:41:41.76 | 0.6 | negative | manual | P | 59 | 48.5181 | 50 | 0.28 | 45 |
IV.CESI.HHZ. | 2021-04-05T03:41:41.08 | 0.6 | undecidable | manual | S | 48 | 23.0547 | 50 | -0.13 | 48 |
IV.ASSB.HHZ. | 2021-04-05T03:41:40.58 | 0.6 | undecidable | manual | S | 352 | 19.7691 | 50 | 0.27 | 48 |
IV.ARRO.EHZ. | 2021-04-05T03:41:39.28 | 0.1 | undecidable | manual | P | 169 | 32.4453 | 50 | 0.29 | 92 |
IV.NRCA.HHZ. | 2021-04-05T03:41:39.32 | 0.1 | undecidable | manual | P | 96 | 34.5432 | 50 | 0 | 97 |
IV.FDMO.HHZ. | 2021-04-05T03:41:39.89 | 0.6 | negative | manual | P | 59 | 37.2294 | 50 | 0.15 | 47 |
IV.MOMA.HHZ. | 2021-04-05T03:41:38.22 | 1.0 | undecidable | manual | S | 235 | 12.0768 | 132 | -0.05 | 25 |
IT.GNU.HGZ. | 2021-04-05T03:41:38.17 | 0.6 | undecidable | manual | S | 235 | 12.0768 | 132 | -0.1 | 50 |
IV.CESX.HHZ. | 2021-04-05T03:41:38.51 | 0.1 | undecidable | manual | P | 197 | 29.8479 | 50 | -0.09 | 95 |
IT.FOPC.HGZ. | 2021-04-05T03:41:38.02 | 0.6 | undecidable | manual | S | 4 | 11.4774 | 134 | -0.1 | 50 |
IV.ASSB.HHZ. | 2021-04-05T03:41:37.16 | 0.3 | positive | manual | P | 352 | 19.7691 | 50 | 0.12 | 74 |
IV.CESI.HHZ. | 2021-04-05T03:41:37.69 | 0.1 | undecidable | manual | P | 48 | 23.0547 | 50 | 0.13 | 97 |
IV.GAVE.HNZ. | 2021-04-05T03:41:37.34 | 0.1 | undecidable | manual | P | 140 | 25.3524 | 50 | -0.57 | 87 |
IT.MTCL.HGZ. | 2021-04-05T03:41:37.63 | 0.1 | undecidable | manual | P | 60 | 28.6491 | 50 | -0.79 | 78 |
IT.GNU.HGZ. | 2021-04-05T03:41:36.05 | 0.1 | undecidable | manual | P | 235 | 12.0768 | 132 | 0.19 | 97 |
IT.FOPC.HGZ. | 2021-04-05T03:41:35.82 | 0.1 | undecidable | manual | P | 4 | 11.4774 | 134 | 0.05 | 99 |
IV.MOMA.HHZ. | 2021-04-05T03:41:35.81 | 0.1 | undecidable | manual | P | 235 | 12.0768 | 132 | -0.05 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.MOMA.HHN. | ML:1.1 | 0.0001275 | 0.52 | AML | other | m | 2021-04-05T03:41:38.13 |
IV.MOMA.HHE. | ML:1.1 | 0.00013900000000000002 | 0.16 | AML | other | m | 2021-04-05T03:41:38.85 |
IV.ASSB.HHN. | ML:0.8 | 0.000048549999999999994 | 0.18 | AML | other | m | 2021-04-05T03:41:40.68 |
IV.ASSB.HHE. | ML:0.9 | 0.000056500000000000005 | 0.22 | AML | other | m | 2021-04-05T03:41:40.67 |
IV.NRCA.HHN. | ML:1.0 | 0.00004635 | 1.18 | AML | other | m | 2021-04-05T03:41:47.11 |
IV.NRCA.HHE. | ML:1.0 | 0.000044899999999999994 | 0.8 | AML | other | m | 2021-04-05T03:41:47.61 |
IV.MOMA.HNE. | ML:1.1 | 0.000132751885 | 0.16 | AML | other | m | 2021-04-05T03:41:38.85 |
IV.MOMA.HNN. | ML:1.1 | 0.0001446437 | 1.6896 | AML | other | m | 2021-04-05T03:41:38.66 |
IV.CESI.HHE. | ML:0.8 | 0.00003348269 | 0.1408 | AML | other | m | 2021-04-05T03:41:41.75 |
IV.CESI.HHN. | ML:0.8 | 0.000035884264999999995 | 0.32 | AML | other | m | 2021-04-05T03:41:43.08 |
IV.FDMO.HHN. | ML:0.7 | 0.000017586405 | 0.32 | AML | other | m | 2021-04-05T03:41:47.28 |
IV.CSP1.EHN. | ML:1.2 | 0.000046327234999999995 | 1.4208 | AML | other | m | 2021-04-05T03:41:49.80 |