A magnitude ML 0.5 earthquake occured in region: 4 km W Norcia (PG), on
and geographic coordinates (lat, lon) 42.7950, 13.0510 at 11 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 |
---|---|---|---|---|
Norcia | PG | 4 | 4957 | 4957 |
Cascia | PG | 9 | 3217 | 8174 |
Preci | PG | 10 | 724 | 8898 |
Cerreto di Spoleto | PG | 11 | 1075 | 9973 |
Poggiodomo | PG | 13 | 117 | 10090 |
Castelsantangelo sul Nera | MC | 14 | 281 | 10371 |
Sellano | PG | 15 | 1079 | 11450 |
Vallo di Nera | PG | 16 | 364 | 11814 |
Visso | MC | 16 | 1107 | 12921 |
Monteleone di Spoleto | PG | 18 | 599 | 13520 |
Ussita | MC | 18 | 444 | 13964 |
Sant'Anatolia di Narco | PG | 19 | 564 | 14528 |
Accumoli | RI | 20 | 667 | 15195 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.5 | 2020-02-12 23:37:40 |
42.7947 | 13.0507 | 11 | 2020-07-18 21:08:31 |
Bollettino Sismico Italiano INGV | 77954521 |
Reviewed Rev100 |
ML 0.9 | 2020-02-12 23:37:40 |
42.7893 | 13.0613 | 11 | 2020-02-13 00:05:32 |
Sala Sismica INGV-Roma | 76469001 |
Field | Value |
---|---|
Time (UTC) | 2020-02-12 23:37:40 ± 0.05 |
Latitude | 42.7947 ± 0.0027 |
Longitude | 13.0507 ± 0.0049 |
Depth (km) | 11 ± 0 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 77954521 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 418 |
Semi-minor axis of confidence ellipse (meter) | 253 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 121 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 420.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 65 |
Number of associated phases, regardless of their use for origin computation | 24 |
Number of defining phases | 20 |
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) | 0.38851 |
Number of stations at which the event was observed | 14 |
Number of stations from which data was used for origin computation | 11 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.2 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 77954521 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-04-06 16:39:08 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 76469001 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-02-13 00:05:32 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TOLF.HHZ. | 2020-02-12T23:38:06.00 | 3.0 | undecidable | manual | Sn | -0.15 | 0 | |||
IV.RM33.EHZ. | 2020-02-12T23:37:55.84 | 3.0 | undecidable | manual | S | 34.4433 | 3.96 | 0 | ||
IV.CSP1.EHZ. | 2020-02-12T23:37:52.22 | 0.1 | undecidable | manual | S | 21 | 35.2425 | 50 | 0.11 | 95 |
IV.MTCE.HHZ. | 2020-02-12T23:37:51.13 | 3.0 | positive | manual | P | 0.68 | 0 | |||
IV.RM33.EHZ. | 2020-02-12T23:37:50.76 | 3.0 | undecidable | manual | P | 34.4433 | 3.84 | 0 | ||
IV.SMA1.EHZ. | 2020-02-12T23:37:50.91 | 0.6 | undecidable | manual | S | 128 | 29.4483 | 50 | 0.33 | 46 |
IV.MMO1.EHZ. | 2020-02-12T23:37:49.05 | 0.3 | undecidable | manual | S | 63 | 25.2525 | 50 | -0.4 | 68 |
IV.CESI.HNZ. | 2020-02-12T23:37:49.67 | 0.1 | undecidable | manual | S | 333 | 26.1516 | 50 | -0.01 | 99 |
IV.FDMO.HHZ. | 2020-02-12T23:37:49.70 | 0.3 | undecidable | manual | S | 6 | 26.9508 | 50 | -0.2 | 71 |
IV.LNSS.HNE. | 2020-02-12T23:37:48.08 | 0.1 | undecidable | manual | S | 182 | 21.2676 | 116 | -0.31 | 94 |
IV.CESX.HHE. | 2020-02-12T23:37:48.48 | 0.6 | undecidable | manual | P | 242 | 43.1235 | 50 | 0.22 | 46 |
IV.MOMA.HNZ. | 2020-02-12T23:37:47.57 | 0.3 | undecidable | manual | P | 272 | 39.1275 | 50 | -0.08 | 71 |
IV.CSP1.EHZ. | 2020-02-12T23:37:47.13 | 0.6 | undecidable | manual | P | 21 | 35.2425 | 50 | 0.08 | 48 |
IV.MC2.EHZ. | 2020-02-12T23:37:47.34 | 0.3 | undecidable | manual | S | 41 | 17.1717 | 122 | 0.22 | 72 |
IV.GAVE.EHZ. | 2020-02-12T23:37:47.23 | 0.3 | undecidable | manual | S | 228 | 17.0718 | 122 | 0.12 | 74 |
IV.SMA1.EHZ. | 2020-02-12T23:37:46.51 | 0.1 | undecidable | manual | P | 128 | 29.4483 | 50 | 0.35 | 92 |
IV.CESI.HNZ. | 2020-02-12T23:37:45.63 | 0.1 | undecidable | manual | P | 333 | 26.1516 | 50 | -0.01 | 99 |
IV.FDMO.HHZ. | 2020-02-12T23:37:45.83 | 0.3 | undecidable | manual | P | 6 | 26.9508 | 50 | 0.05 | 73 |
IV.MMO1.EHZ. | 2020-02-12T23:37:45.29 | 0.1 | undecidable | manual | P | 63 | 25.2525 | 50 | -0.22 | 95 |
IV.MC2.EHZ. | 2020-02-12T23:37:44.24 | 0.3 | undecidable | manual | P | 41 | 17.1717 | 122 | 0.07 | 74 |
IV.GAVE.EHZ. | 2020-02-12T23:37:44.10 | 0.6 | undecidable | manual | P | 228 | 17.0718 | 122 | -0.06 | 50 |
IV.NRCA.HHE. | 2020-02-12T23:37:44.37 | 0.1 | undecidable | manual | S | 50 | 6.6933 | 148 | -0.12 | 100 |
IV.LNSS.HNE. | 2020-02-12T23:37:44.87 | 0.1 | undecidable | manual | P | 182 | 21.2676 | 116 | -0.03 | 99 |
IV.NRCA.HHE. | 2020-02-12T23:37:42.77 | 0.1 | undecidable | manual | P | 50 | 6.6933 | 148 | 0.13 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.GAVE.EHE. | ML:0.6 | 0.000036995899999999996 | 0.1152 | AML | other | m | 2020-02-12T23:37:47.51 |
IV.GAVE.EHN. | ML:0.6 | 0.000033957065000000005 | 0.1536 | AML | other | m | 2020-02-12T23:37:47.56 |
IV.FDMO.HHN. | ML:0.4 | 0.000015152135000000001 | 0.3072 | AML | other | m | 2020-02-12T23:37:50.34 |
IV.FDMO.HHE. | ML:0.3 | 0.000011906207 | 0.7808 | AML | other | m | 2020-02-12T23:37:49.86 |