A magnitude Md 2.1 earthquake occured in region: 13 km NW Pomezia (RM), on
and geographic coordinates (lat, lon) 41.7690, 12.4110 at 15 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 |
---|---|---|---|---|
Pomezia | RM | 13 | 62966 | 62966 |
Fiumicino | RM | 14 | 78395 | 141361 |
Roma | RM | 15 | 2864731 | 3006092 |
Ciampino | RM | 16 | 38412 | 3044504 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
ML-VAX 1.8 |
1990-09-20 23:45:58 |
41.769 | 12.411 | 15 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 127629 |
Field | Value |
---|---|
Time (UTC) | 1990-09-20 23:45:58 ± 0.82 |
Latitude | 41.7690 ± 0.0320 |
Longitude | 12.4110 ± 0.0529 |
Depth (km) | 15 ± 5 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 127629 |
Field | Value |
---|---|
Preferred uncertainty description | horizontal uncertainty |
Semi-major axis of confidence ellipse (meter) | |
Semi-minor axis of confidence ellipse (meter) | |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 5648.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 285 |
Number of associated phases, regardless of their use for origin computation | 8 |
Number of defining phases | 8 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.4 |
Epicentral distance of station closest to the epicenter (degree) | 0.00194 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00939 |
Number of stations at which the event was observed | 4 |
Number of stations from which data was used for origin computation | 4 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 127629 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:58:42 |
Field | Value |
---|---|
Value | 1.8 |
Uncertainty | |
Num. used stations | 3 |
Type of magnitude | ML |
Reference to an origin | 127629 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2015-04-28 13:07:13 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
--.SDI.Z. | 1990-09-20T23:46:33.67 | 10.0 | undecidable | manual | SN | 92 | 1.0434 | 1.23 | 0.1 | |
--.MNS.Z. | 1990-09-20T23:46:20.56 | 10.0 | undecidable | manual | SG | 18 | 0.6327 | -0.27 | 0.7 | |
--.SDI.Z. | 1990-09-20T23:46:17.70 | 10.0 | undecidable | manual | PN | 92 | 1.0434 | -0.84 | 0.5 | |
--.CP9.Z. | 1990-09-20T23:46:12.98 | 10.0 | undecidable | manual | SG | 77 | 0.4107 | -0.4 | 0.7 | |
--.MNS.Z. | 1990-09-20T23:46:11.40 | 10.0 | undecidable | manual | PG | 18 | 0.6327 | 0.19 | 1.9 | |
--.CP9.Z. | 1990-09-20T23:46:07.60 | 10.0 | undecidable | manual | PG | 77 | 0.4107 | 0.16 | 2.1 | |
--.RMP.Z. | 1990-09-20T23:46:06.82 | 10.0 | undecidable | manual | SG | 79 | 0.2109 | -0.57 | 0.5 | |
--.RMP.Z. | 1990-09-20T23:46:03.89 | 10.0 | undecidable | manual | PG | 79 | 0.2109 | 0.45 | 1.6 |