A magnitude ML 1.1 earthquake occured in region: 6 km W Amatrice (RI), on
and geographic coordinates (lat, lon) 42.6470, 13.2230 at 14 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 |
---|---|---|---|---|
Amatrice | RI | 6 | 2657 | 2657 |
Accumoli | RI | 6 | 667 | 3324 |
Cittareale | RI | 6 | 482 | 3806 |
Montereale | AQ | 14 | 2581 | 6387 |
Arquata del Tronto | AP | 15 | 1178 | 7565 |
Capitignano | AQ | 15 | 665 | 8230 |
Campotosto | AQ | 16 | 542 | 8772 |
Borbona | RI | 17 | 617 | 9389 |
Posta | RI | 17 | 694 | 10083 |
Cascia | PG | 19 | 3217 | 13300 |
Norcia | PG | 19 | 4957 | 18257 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 1.1 | 2021-05-19 09:00:17 |
42.6472 | 13.2227 | 14 | 2021-05-19 09:11:10 |
Sala Sismica INGV-Roma | 90255271 |
Field | Value |
---|---|
Time (UTC) | 2021-05-19 09:00:17 ± 0.08 |
Latitude | 42.6472 ± 0.0036 |
Longitude | 13.2227 ± 0.0037 |
Depth (km) | 14 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 90255271 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 337 |
Semi-minor axis of confidence ellipse (meter) | 163 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 334 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 340.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 81 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 15 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.16 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.28149 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 8 |
Field | Value |
---|---|
Value | 1.1 |
Uncertainty | 0.2 |
Num. used stations | 6 |
Type of magnitude | ML |
Reference to an origin | 90255271 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-05-19 09:11:10 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.BSSO.HHZ. | 2021-05-19T09:00:59.95 | 3.0 | undecidable | manual | S | 0 | 0 | |||
IV.TERO.HHZ. | 2021-05-19T09:00:27.76 | 0.3 | undecidable | manual | S | 95 | 31.2465 | 98 | -0.23 | 71 |
IV.GAVE.EHZ. | 2021-05-19T09:00:26.88 | 0.3 | undecidable | manual | S | 281 | 27.2505 | 100 | -0.06 | 75 |
IV.NRCA.HHE. | 2021-05-19T09:00:25.44 | 0.3 | undecidable | manual | S | 337 | 22.4553 | 104 | -0.26 | 72 |
IV.MTRA.EHE. | 2021-05-19T09:00:24.58 | 0.3 | undecidable | manual | S | 49 | 18.6702 | 109 | -0.14 | 74 |
IV.MMO1.EHE. | 2021-05-19T09:00:23.23 | 0.6 | undecidable | manual | P | 17 | 29.2485 | 98 | 0.12 | 49 |
IV.RM33.EHZ. | 2021-05-19T09:00:23.72 | 0.3 | undecidable | manual | S | 182 | 15.3735 | 117 | -0.18 | 74 |
IV.LNSS.HHZ. | 2021-05-19T09:00:23.79 | 0.3 | undecidable | manual | S | 252 | 15.6732 | 116 | -0.19 | 74 |
IV.TERO.HHZ. | 2021-05-19T09:00:23.42 | 0.3 | undecidable | manual | P | 95 | 31.2465 | 98 | 0 | 75 |
IV.SMA1.EHZ. | 2021-05-19T09:00:22.62 | 0.3 | undecidable | manual | S | 101 | 9.3795 | 136 | 0.01 | 78 |
IV.GAVE.EHZ. | 2021-05-19T09:00:22.88 | 0.3 | positive | manual | P | 281 | 27.2505 | 100 | 0.07 | 74 |
IV.NRCA.HHE. | 2021-05-19T09:00:22.20 | 0.1 | undecidable | manual | P | 337 | 22.4553 | 104 | 0.11 | 99 |
IV.MNTT.EHZ. | 2021-05-19T09:00:22.27 | 3.0 | undecidable | manual | P | 1.65 | 0 | |||
IV.LNSS.HHZ. | 2021-05-19T09:00:21.21 | 0.1 | positive | manual | P | 252 | 15.6732 | 116 | 0.12 | 100 |
IV.MNTP.HNZ. | 2021-05-19T09:00:21.46 | 3.0 | negative | manual | P | -0.04 | 0 | |||
IV.MTRA.EHE. | 2021-05-19T09:00:21.66 | 0.1 | undecidable | manual | P | 49 | 18.6702 | 109 | 0.14 | 99 |
IV.RM33.EHZ. | 2021-05-19T09:00:21.18 | 0.3 | positive | manual | P | 182 | 15.3735 | 117 | 0.13 | 75 |
IV.SMA1.EHZ. | 2021-05-19T09:00:20.65 | 0.6 | negative | manual | P | 101 | 9.3795 | 136 | 0.34 | 48 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.LNSS.HHE. | ML:1.4 | 0.000186 | 0.12 | AML | other | m | 2021-05-19T09:00:24.08 |
IV.RM33.EHE. | ML:1.0 | 0.00008510000000000001 | 0.48 | AML | other | m | 2021-05-19T09:00:24.52 |
IV.LNSS.HHN. | ML:1.3 | 0.000151 | 1.12 | AML | other | m | 2021-05-19T09:00:24.13 |
IV.RM33.EHN. | ML:1.0 | 0.0000877 | 0.46 | AML | other | m | 2021-05-19T09:00:24.64 |
IV.TERO.HHN. | ML:1.0 | 0.000046 | 0.66 | AML | other | m | 2021-05-19T09:00:28.77 |
IV.TERO.HHE. | ML:1.0 | 0.00004635 | 1.04 | AML | other | m | 2021-05-19T09:00:28.81 |