A magnitude ML 0.9 earthquake occured in region: 7 km E Accumoli (RI), on
and geographic coordinates (lat, lon) 42.6920, 13.3350 at 9 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 |
---|---|---|---|---|
Accumoli | RI | 7 | 667 | 667 |
Amatrice | RI | 8 | 2657 | 3324 |
Arquata del Tronto | AP | 10 | 1178 | 4502 |
Acquasanta Terme | AP | 11 | 2916 | 7418 |
Valle Castellana | TE | 14 | 977 | 8395 |
Campotosto | AQ | 15 | 542 | 8937 |
Rocca Santa Maria | TE | 16 | 537 | 9474 |
Cortino | TE | 16 | 656 | 10130 |
Cittareale | RI | 16 | 482 | 10612 |
Montegallo | AP | 17 | 523 | 11135 |
Capitignano | AQ | 19 | 665 | 11800 |
Crognaleto | TE | 20 | 1297 | 13097 |
Montereale | AQ | 20 | 2581 | 15678 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Reviewed Rev100 |
ML 0.9 | 2021-04-19 20:52:48 |
42.6918 | 13.3347 | 9 | 2021-04-19 21:06:55 |
Sala Sismica INGV-Roma | 89268981 |
Field | Value |
---|---|
Time (UTC) | 2021-04-19 20:52:48 ± 0.08 |
Latitude | 42.6918 ± 0.0036 |
Longitude | 13.3347 ± 0.0049 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 100 -> SURVEY-INGV |
Event type | earthquake |
Origin ID | 89268981 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 428 |
Semi-minor axis of confidence ellipse (meter) | 102 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 93 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 430.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 97 |
Number of associated phases, regardless of their use for origin computation | 18 |
Number of defining phases | 17 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.22 |
Epicentral distance of station closest to the epicenter (degree) | 0.00000 |
Epicentral distance of station farthest from the epicenter (degree) | 0.41099 |
Number of stations at which the event was observed | 11 |
Number of stations from which data was used for origin computation | 10 |
Field | Value |
---|---|
Value | 0.9 |
Uncertainty | 0.3 |
Num. used stations | 11 |
Type of magnitude | ML |
Reference to an origin | 89268981 |
Agency | INGV |
Autore | Sala Sismica INGV-Roma |
Time of creation (UTC) | 2021-04-19 21:06:55 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.LAV9.HHZ. | 2021-04-19T20:53:25.99 | 3.0 | undecidable | manual | S | 0 | 0 | |||
IV.MF5.EHZ. | 2021-04-19T20:53:01.39 | 0.6 | undecidable | manual | S | 17 | 34.3434 | 50 | 0.24 | 49 |
IV.LNSS.HHZ. | 2021-04-19T20:52:58.11 | 0.6 | undecidable | manual | S | 248 | 25.9518 | 108 | -0.34 | 48 |
IV.MC2.EHZ. | 2021-04-19T20:52:58.95 | 0.3 | undecidable | manual | S | 334 | 27.0507 | 108 | 0.14 | 74 |
IV.TERO.HHZ. | 2021-04-19T20:52:57.22 | 0.3 | undecidable | manual | S | 109 | 23.2545 | 110 | -0.34 | 72 |
IV.CSP1.EHZ. | 2021-04-19T20:52:57.37 | 0.6 | undecidable | manual | P | 347 | 45.621 | 50 | -0.36 | 45 |
IV.RM33.EHZ. | 2021-04-19T20:52:57.55 | 0.3 | undecidable | manual | S | 206 | 22.5552 | 111 | 0.22 | 74 |
IV.MMO1.EHZ. | 2021-04-19T20:52:57.45 | 0.3 | undecidable | manual | S | 358 | 23.0547 | 110 | -0.03 | 77 |
IV.NRCA.HHZ. | 2021-04-19T20:52:57.65 | 0.3 | undecidable | manual | S | 311 | 23.8539 | 110 | -0.11 | 76 |
IV.OFFI.HHZ. | 2021-04-19T20:52:57.31 | 0.3 | undecidable | manual | P | 47 | 39.2274 | 50 | 0.56 | 67 |
IV.FDMO.HHZ. | 2021-04-19T20:52:56.96 | 0.3 | undecidable | manual | P | 332 | 43.2234 | 50 | -0.4 | 68 |
IV.MF5.EHZ. | 2021-04-19T20:52:56.08 | 0.1 | undecidable | manual | P | 17 | 34.3434 | 50 | 0.08 | 100 |
IV.NRCA.HHZ. | 2021-04-19T20:52:54.04 | 0.3 | undecidable | manual | P | 311 | 23.8539 | 110 | 0 | 77 |
IV.LNSS.HHZ. | 2021-04-19T20:52:54.47 | 0.3 | undecidable | manual | P | 248 | 25.9518 | 108 | 0.03 | 76 |
IV.MC2.EHZ. | 2021-04-19T20:52:54.66 | 0.6 | undecidable | manual | P | 334 | 27.0507 | 108 | 0 | 51 |
IV.TERO.HHZ. | 2021-04-19T20:52:53.84 | 0.3 | undecidable | manual | P | 109 | 23.2545 | 110 | -0.08 | 76 |
IV.RM33.EHZ. | 2021-04-19T20:52:53.95 | 0.1 | undecidable | manual | P | 206 | 22.5552 | 111 | 0.16 | 100 |
IV.MMO1.EHZ. | 2021-04-19T20:52:53.95 | 0.3 | undecidable | manual | P | 358 | 23.0547 | 110 | 0.07 | 76 |
SCNL | mag | Generic_amplitude | Period | Type | Category | Unit | Time_window_reference |
---|---|---|---|---|---|---|---|
IV.RM33.EHN. | ML:1.0 | 0.00006565 | 0.32 | AML | other | m | 2021-04-19T20:52:57.75 |
IV.NRCA.HHE. | ML:1.3 | 0.0001175 | 0.1 | AML | other | m | 2021-04-19T20:52:57.98 |
IV.RM33.EHE. | ML:0.9 | 0.000051163765 | 0.1792 | AML | other | m | 2021-04-19T20:52:58.03 |
IV.TERO.HHN. | ML:0.9 | 0.00005102057 | 0.064 | AML | other | m | 2021-04-19T20:52:58.59 |
IV.TERO.HHE. | ML:0.7 | 0.000033963595 | 0.064 | AML | other | m | 2021-04-19T20:52:58.65 |
IV.LNSS.HHN. | ML:0.6 | 0.000026568385 | 0.0768 | AML | other | m | 2021-04-19T20:53:00.26 |
IV.NRCA.HHN. | ML:1.2 | 0.00009054999999999999 | 0.08 | AML | other | m | 2021-04-19T20:52:58.74 |
IV.LNSS.HHE. | ML:0.7 | 0.000032137665 | 0.1408 | AML | other | m | 2021-04-19T20:52:59.78 |
IV.NRCA.HNE. | ML:1.3 | 0.00013368115401 | 0.128 | AML | other | m | 2021-04-19T20:52:57.98 |
IV.FDMO.HHE. | ML:0.2 | 0.00000664930515 | 0.2048 | AML | other | m | 2021-04-19T20:53:06.21 |
IV.FDMO.HHN. | ML:0.5 | 0.0000079011655 | 0.2944 | AML | other | m | 2021-04-19T20:53:03.40 |