A magnitude Md 2.1 earthquake occured in region: 7 km E Roma (RM), on
and geographic coordinates (lat, lon) 41.9080, 12.5680 at 17 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 |
---|---|---|---|---|
Roma | RM | 7 | 2864731 | 2864731 |
Fonte Nuova | RM | 11 | 32562 | 2897293 |
Ciampino | RM | 12 | 38412 | 2935705 |
Frascati | RM | 15 | 22087 | 2957792 |
Mentana | RM | 15 | 22921 | 2980713 |
Grottaferrata | RM | 16 | 20327 | 3001040 |
Monte Porzio Catone | RM | 16 | 8693 | 3009733 |
Monterotondo | RM | 17 | 40830 | 3050563 |
Guidonia Montecelio | RM | 17 | 88673 | 3139236 |
Marino | RM | 17 | 43026 | 3182262 |
Colonna | RM | 17 | 4287 | 3186549 |
Monte Compatri | RM | 18 | 11978 | 3198527 |
Sant'Angelo Romano | RM | 19 | 5018 | 3203545 |
Castel Gandolfo | RM | 19 | 8997 | 3212542 |
Rocca di Papa | RM | 20 | 17034 | 3229576 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 2.1
ML-VAX 1.7 |
1989-11-01 14:54:31 |
41.908 | 12.568 | 17 | 2013-07-15 08:40:51 |
Bollettino Sismico Italiano INGV | 103449 |
Field | Value |
---|---|
Time (UTC) | 1989-11-01 14:54:31 ± 0.453 |
Latitude | 41.9080 ± 0.0165 |
Longitude | 12.5680 ± 0.0447 |
Depth (km) | 17 ± 3 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-VAX |
Event type | earthquake |
Origin ID | 103449 |
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) | 4130.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 226 |
Number of associated phases, regardless of their use for origin computation | 10 |
Number of defining phases | 10 |
RMS of the travel time residuals of the arrivals used for the origin computation (sec) | 0.5 |
Epicentral distance of station closest to the epicenter (degree) | 0.00121 |
Epicentral distance of station farthest from the epicenter (degree) | 0.00850 |
Number of stations at which the event was observed | 5 |
Number of stations from which data was used for origin computation | 5 |
Field | Value |
---|---|
Value | 2.1 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | Md |
Reference to an origin | 103449 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-04 18:36:23 |
Field | Value |
---|---|
Value | 1.7 |
Uncertainty | |
Num. used stations | 2 |
Type of magnitude | ML |
Reference to an origin | 103449 |
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. | 1989-11-01T14:55:02.50 | 10.0 | undecidable | manual | SN | 101 | 0.9435 | -0.27 | 0.5 | |
--.SDI.Z. | 1989-11-01T14:54:50.00 | 10.0 | undecidable | manual | PN | 101 | 0.9435 | 0.61 | 0.8 | |
--.MNS.Z. | 1989-11-01T14:54:49.00 | 10.0 | undecidable | manual | SG | 10 | 0.4773 | 0.31 | 0.6 | |
--.CP9.Z. | 1989-11-01T14:54:42.74 | 10.0 | undecidable | manual | SG | 99 | 0.2886 | 0.09 | 0.6 | |
--.MNS.Z. | 1989-11-01T14:54:41.00 | 10.0 | undecidable | manual | PG | 10 | 0.4773 | -0.25 | 1.6 | |
--.RMP.Z. | 1989-11-01T14:54:39.20 | 10.0 | undecidable | manual | SG | 134 | 0.1332 | 0.76 | 0.3 | |
--.RDP.Z. | 1989-11-01T14:54:39.00 | 10.0 | undecidable | manual | SG | 143 | 0.1776 | -0.65 | 0.4 | |
--.RMP.Z. | 1989-11-01T14:54:36.00 | 10.0 | undecidable | manual | PG | 134 | 0.1332 | 0.66 | 1.3 | |
--.CP9.Z. | 1989-11-01T14:54:36.50 | 10.0 | undecidable | manual | PG | 99 | 0.2886 | -1.27 | 0.3 | |
--.RDP.Z. | 1989-11-01T14:54:35.83 | 10.0 | positive | manual | PG | 143 | 0.1776 | -0.2 | 3.5 |