A magnitude ML 0.7 earthquake occured in region: 5 km E Norcia (PG), on
and geographic coordinates (lat, lon) 42.8040, 13.1550 at 12 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 |
---|---|---|---|---|
Norcia | PG | 5 | 4957 | 4957 |
Castelsantangelo sul Nera | MC | 10 | 281 | 5238 |
Arquata del Tronto | AP | 12 | 1178 | 6416 |
Preci | PG | 13 | 724 | 7140 |
Accumoli | RI | 14 | 667 | 7807 |
Cascia | PG | 15 | 3217 | 11024 |
Montegallo | AP | 15 | 523 | 11547 |
Visso | MC | 15 | 1107 | 12654 |
Ussita | MC | 16 | 444 | 13098 |
Montemonaco | AP | 18 | 604 | 13702 |
Cerreto di Spoleto | PG | 20 | 1075 | 14777 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.7 | 2021-03-03 01:36:38 |
42.8035 | 13.155 | 12 | 2021-03-03 01:42:49 |
Sala Sismica INGV-Roma | 87642951 |
Field | Value |
---|---|
Time (UTC) | 2021-03-03 01:36:38 ± 0.09 |
Latitude | 42.8035 ± 0.0036 |
Longitude | 13.1550 ± 0.0110 |
Depth (km) | 12 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 87642951 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 661 |
Semi-minor axis of confidence ellipse (meter) | 604 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 72 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 660.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 112 |
Number of associated phases, regardless of their use for origin computation | 20 |
Number of defining phases | 20 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.21 |
Epicentral distance of station closest to the epicenter (degree) | 0.04227 |
Epicentral distance of station farthest from the epicenter (degree) | 0.37592 |
Number of stations at which the event was observed | 10 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.7 |
Uncertainty | 0.3 |
Num. used stations | 4 |
Type of magnitude | ML |
Reference to an origin | 87642951 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-03-03 01:42:49 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.TERO.HHZ. | 2021-03-03T01:36:51.83 | 0.3 | undecidable | manual | S | 119 | 41.7249 | 91 | -0.06 | 71 |
IV.RM33.EHZ. | 2021-03-03T01:36:49.89 | 0.6 | undecidable | manual | S | 172 | 33.0447 | 91 | 0.32 | 47 |
IV.CESI.HHZ. | 2021-03-03T01:36:48.73 | 0.6 | undecidable | manual | S | 318 | 30.2475 | 92 | -0.09 | 49 |
IV.FDMO.HHZ. | 2021-03-03T01:36:47.48 | 0.6 | undecidable | manual | S | 348 | 26.4513 | 92 | -0.33 | 47 |
IV.T1299.HNN. | 2021-03-03T01:36:46.79 | 0.3 | undecidable | manual | S | 151 | 21.4674 | 93 | 0.31 | 72 |
IV.SMA1.EHZ. | 2021-03-03T01:36:46.93 | 0.6 | undecidable | manual | S | 142 | 24.1536 | 93 | -0.28 | 47 |
IV.LNSS.HHZ. | 2021-03-03T01:36:46.61 | 0.6 | undecidable | manual | S | 203 | 24.1536 | 93 | -0.59 | 43 |
IV.TERO.HHZ. | 2021-03-03T01:36:46.07 | 0.6 | negative | manual | P | 119 | 41.7249 | 91 | -0.08 | 47 |
IV.MMO1.EHZ. | 2021-03-03T01:36:45.11 | 0.6 | undecidable | manual | S | 53 | 17.5713 | 96 | -0.34 | 47 |
IV.CESI.HHZ. | 2021-03-03T01:36:44.33 | 0.6 | positive | manual | P | 318 | 30.2475 | 92 | -0.04 | 49 |
IV.RM33.EHZ. | 2021-03-03T01:36:44.85 | 1.0 | undecidable | manual | P | 172 | 33.0447 | 91 | 0.05 | 25 |
IV.MC2.EHE. | 2021-03-03T01:36:43.98 | 0.6 | undecidable | manual | S | 13 | 12.2766 | 113 | -0.1 | 50 |
IV.FDMO.HHZ. | 2021-03-03T01:36:43.59 | 0.6 | undecidable | manual | P | 348 | 26.4513 | 92 | -0.2 | 48 |
IV.LNSS.HHZ. | 2021-03-03T01:36:43.51 | 0.3 | undecidable | manual | P | 203 | 24.1536 | 93 | 0.07 | 74 |
IV.T1299.HNN. | 2021-03-03T01:36:43.04 | 0.1 | undecidable | manual | P | 151 | 21.4674 | 93 | 0.02 | 100 |
IV.SMA1.EHZ. | 2021-03-03T01:36:43.43 | 0.6 | positive | manual | P | 142 | 24.1536 | 93 | -0.01 | 49 |
IV.NRCA.HHZ. | 2021-03-03T01:36:42.34 | 0.6 | undecidable | manual | S | 315 | 4.6953 | 151 | -0.25 | 49 |
IV.MC2.EHE. | 2021-03-03T01:36:42.16 | 0.1 | undecidable | manual | P | 13 | 12.2766 | 113 | 0.52 | 90 |
IV.MMO1.EHZ. | 2021-03-03T01:36:42.32 | 0.6 | positive | manual | P | 53 | 17.5713 | 96 | -0.1 | 50 |
IV.NRCA.HHZ. | 2021-03-03T01:36:40.96 | 0.1 | positive | manual | P | 315 | 4.6953 | 151 | 0.19 | 100 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.NRCA.HHE. | ML:1.0 | 0.000132 | 1.04 | AML | other | m | 2021-03-03T01:36:42.75 |
IV.NRCA.HHN. | ML:1.0 | 0.00013350000000000002 | 0.12 | AML | other | m | 2021-03-03T01:36:43.92 |
IV.SMA1.EHE. | ML:0.6 | 0.0000227 | 0.52 | AML | other | m | 2021-03-03T01:36:48.49 |
IV.SMA1.EHN. | ML:0.4 | 0.000015100000000000001 | 0.48 | AML | other | m | 2021-03-03T01:36:58.33 |