A magnitude ML 0.5 earthquake occured in region: 6 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.7750, 13.1630 at 12 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 | 6 | 4957 | 4957 |
Arquata del Tronto | AP | 11 | 1178 | 6135 |
Accumoli | RI | 11 | 667 | 6802 |
Castelsantangelo sul Nera | MC | 13 | 281 | 7083 |
Cascia | PG | 14 | 3217 | 10300 |
Preci | PG | 15 | 724 | 11024 |
Montegallo | AP | 16 | 523 | 11547 |
Cittareale | RI | 17 | 482 | 12029 |
Visso | MC | 18 | 1107 | 13136 |
Ussita | MC | 19 | 444 | 13580 |
Amatrice | RI | 19 | 2657 | 16237 |
Montemonaco | AP | 19 | 604 | 16841 |
Poggiodomo | PG | 20 | 117 | 16958 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
ML 0.5 | 2020-02-09 23:46:38 |
42.7752 | 13.1632 | 12 | 2020-07-18 21:08:19 |
Bollettino Sismico Italiano INGV | 76398001 |
Reviewed Rev100 |
ML 0.5 | 2020-02-09 23:46:38 |
42.765 | 13.1683 | 9 | 2020-02-09 23:53:48 |
Sala Sismica INGV-Roma | 76387241 |
Field | Value |
---|---|
Time (UTC) | 2020-02-09 23:46:38 ± 0.06 |
Latitude | 42.7752 ± 0.0036 |
Longitude | 13.1632 ± 0.0049 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-INGV |
Event type | earthquake |
Origin ID | 76398001 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 417 |
Semi-minor axis of confidence ellipse (meter) | 176 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 125 |
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) | 120 |
Number of associated phases, regardless of their use for origin computation | 19 |
Number of defining phases | 14 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.15 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.35793 |
Number of stations at which the event was observed | 12 |
Number of stations from which data was used for origin computation | 7 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 76387241 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2020-02-09 23:53:48 |
Field | Value |
---|---|
Value | 0.5 |
Uncertainty | 0.1 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 76398001 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2020-02-10 10:33:24 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.GALF.HHZ. | 2020-02-09T23:48:04.18 | 3.0 | undecidable | manual | Pg | 12.53 | 0 | |||
GU.GRAM.HHZ. | 2020-02-09T23:47:50.22 | 3.0 | undecidable | manual | Sn | -0.13 | 0 | |||
IV.MILN.HNZ. | 2020-02-09T23:47:45.06 | 3.0 | undecidable | manual | Pg | 12.78 | 0 | |||
IV.PAOL.HHZ. | 2020-02-09T23:47:42.68 | 3.0 | undecidable | manual | Sg | 5.18 | 0 | |||
IV.VITU.HHZ. | 2020-02-09T23:47:13.43 | 3.0 | undecidable | manual | Pg | 4.81 | 0 | |||
IV.TERO.HHZ. | 2020-02-09T23:46:51.60 | 0.6 | undecidable | manual | S | 115 | 39.7269 | 91 | -0.02 | 49 |
IV.MF5.EHZ. | 2020-02-09T23:46:49.80 | 0.3 | undecidable | manual | S | 46 | 33.744 | 91 | -0.23 | 71 |
IV.MMO1.EHZ. | 2020-02-09T23:46:46.22 | 0.3 | undecidable | manual | S | 44 | 19.1697 | 94 | 0.08 | 75 |
IV.LNSS.HNZ. | 2020-02-09T23:46:46.84 | 0.3 | undecidable | manual | S | 208 | 21.5673 | 93 | 0.06 | 72 |
IV.TERO.HHZ. | 2020-02-09T23:46:46.02 | 0.6 | negative | manual | P | 115 | 39.7269 | 91 | -0.08 | 49 |
IV.SMA1.EHZ. | 2020-02-09T23:46:46.87 | 0.6 | undecidable | manual | S | 139 | 21.2676 | 93 | 0.16 | 48 |
IV.MF5.EHZ. | 2020-02-09T23:46:45.07 | 0.1 | undecidable | manual | P | 46 | 33.744 | 91 | -0.11 | 98 |
IV.MC2.EHZ. | 2020-02-09T23:46:45.37 | 0.6 | undecidable | manual | S | 8 | 15.2736 | 100 | 0.26 | 48 |
IV.SMA1.EHZ. | 2020-02-09T23:46:43.27 | 0.6 | negative | manual | P | 139 | 21.2676 | 93 | 0.01 | 50 |
IV.MMO1.EHZ. | 2020-02-09T23:46:43.01 | 0.3 | undecidable | manual | P | 44 | 19.1697 | 94 | 0.07 | 75 |
IV.NRCA.HNZ. | 2020-02-09T23:46:43.00 | 0.3 | undecidable | manual | S | 328 | 7.5813 | 135 | -0.31 | 74 |
IV.LNSS.HNZ. | 2020-02-09T23:46:43.24 | 0.1 | undecidable | manual | P | 208 | 21.5673 | 93 | -0.06 | 100 |
IV.MC2.EHZ. | 2020-02-09T23:46:42.56 | 0.3 | undecidable | manual | P | 8 | 15.2736 | 100 | 0.22 | 73 |
IV.NRCA.HNZ. | 2020-02-09T23:46:41.40 | 0.3 | undecidable | manual | P | 328 | 7.5813 | 135 | 0.1 | 75 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.SMA1.EHE. | ML:0.5 | 0.000019104215 | 0.0032 | AML | other | m | 2020-02-09T23:46:47.51 |
IV.SMA1.EHN. | ML:0.4 | 0.00001560284 | 0.8736 | AML | other | m | 2020-02-09T23:46:47.67 |
IV.TERO.HHE. | ML:0.5 | 0.000011516115 | 0.0768 | AML | other | m | 2020-02-09T23:46:52.01 |
IV.TERO.HHN. | ML:0.6 | 0.000014531570000000001 | 0.0768 | AML | other | m | 2020-02-09T23:46:52.03 |