Earthquake with magnitude of Md 2.2 on date 14-04-2002 and time 01:55:16 (Italy) in region 1 km SE Rocca Santo Stefano (RM)

A magnitude Md 2.2 earthquake occured in region: 1 km SE Rocca Santo Stefano (RM), on

  • 13-04-2002 23:55:16 (UTC)
  • 14-04-2002 01:55:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.9040, 13.0290 at 5 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Rocca Santo Stefano RM 1 975 975
Bellegra RM 2 2887 3862
San Vito Romano RM 4 3273 7135
Gerano RM 4 1263 8398
Canterano RM 4 351 8749
Roiate RM 4 737 9486
Olevano Romano RM 5 6687 16173
Pisoniano RM 6 770 16943
Rocca Canterano RM 6 196 17139
Cerreto Laziale RM 6 1118 18257
Affile RM 6 1548 19805
Subiaco RM 6 9074 28879
Arcinazzo Romano RM 8 1348 30227
Capranica Prenestina RM 8 351 30578
Agosta RM 9 1765 32343
Serrone FR 9 3099 35442
Genazzano RM 9 6036 41478
Rocca di Cave RM 9 377 41855
Ciciliano RM 10 1336 43191
Cervara di Roma RM 10 455 43646
Marano Equo RM 10 779 44425
Paliano FR 11 8281 52706
Poli RM 11 2418 55124
Jenne RM 12 366 55490
Casape RM 12 744 56234
Sambuci RM 12 925 57159
Anticoli Corrado RM 12 915 58074
Cave RM 12 11287 69361
Piglio FR 13 4666 74027
Castel San Pietro Romano RM 13 902 74929
Saracinesco RM 13 185 75114
San Gregorio da Sassola RM 13 1619 76733
Palestrina RM 14 21672 98405
Roviano RM 14 1351 99756
Rocca di Botte AQ 14 856 100612
Camerata Nuova RM 14 447 101059
Arsoli RM 15 1586 102645
Castel Madama RM 16 7399 110044
Oricola AQ 16 1244 111288
Mandela RM 17 917 112205
Valmontone RM 17 15959 128164
Vicovaro RM 17 4019 132183
Vallepietra RM 17 283 132466
Acuto FR 17 1920 134386
Cineto Romano RM 17 601 134987
Gallicano nel Lazio RM 17 6334 141321
Labico RM 18 6379 147700
Riofreddo RM 18 781 148481
Zagarolo RM 18 17843 166324
Pereto AQ 18 682 167006
Trevi nel Lazio FR 19 1822 168828
Colleferro RM 19 21595 190423
Fiuggi FR 19 10536 200959
Roccagiovine RM 20 263 201222
San Polo dei Cavalieri RM 20 2992 204214

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km E of Tivoli (56533 inhabitants)
27 Km E of Guidonia Montecelio (88673 inhabitants)
32 Km NE of Velletri (53303 inhabitants)
45 Km E of Roma (2864731 inhabitants)
47 Km NE of Aprilia (73446 inhabitants)
50 Km N of Latina (125985 inhabitants)
51 Km NE of Pomezia (62966 inhabitants)
59 Km SW of L'Aquila (69753 inhabitants)
61 Km NE of Anzio (54211 inhabitants)
67 Km E of Fiumicino (78395 inhabitants)
80 Km SE of Terni (111501 inhabitants)
95 Km SE of Viterbo (67173 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
Md 2.2 2002-04-13
23:55:16
41.904 13.029 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 439119
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2002-04-13 23:55:16 ± 0.139
Latitude 41.9040 ± 0.0123
Longitude 13.0290 ± 0.0094
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 439119

Uncertainty

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) 1576.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.00834
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 439119
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 23:54:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.NRCA.Z. 2002-04-13T23:55:50.00 10.0 undecidable manual SG 3 0.9213 0.51 0.3
--.SDI.Z. 2002-04-13T23:55:39.00 10.0 undecidable manual SG 108 0.6105 -0.32 0.5
--.MNS.Z. 2002-04-13T23:55:36.19 10.0 undecidable manual SG 331 0.5439 -0.93 0.1
--.NRCA.Z. 2002-04-13T23:55:36.30 10.0 undecidable manual PG 3 0.9213 0.64 0.5
--.VVLD.Z. 2002-04-13T23:55:33.93 10.0 undecidable manual SG 94 0.444 0.11 0.7
--.RVI2.Z. 2002-04-13T23:55:33.00 10.0 undecidable manual PG 110 0.777 -0.07 1.5
--.LAV9.Z. 2002-04-13T23:55:30.00 10.0 undecidable manual SG 227 0.333 0.26 0.7
--.SDI.Z. 2002-04-13T23:55:29.27 10.0 undecidable manual PG 108 0.6105 -0.51 0.9
--.RDP.Z. 2002-04-13T23:55:28.33 10.0 undecidable manual SG 237 0.2664 0.86 0.1
--.PTQR.Z. 2002-04-13T23:55:28.44 10.0 undecidable manual SG 66 0.2997 0 0.8
--.MNS.Z. 2002-04-13T23:55:27.77 10.0 undecidable manual PG 331 0.5439 -0.73 0.5
--.VVLD.Z. 2002-04-13T23:55:26.51 10.0 undecidable manual PG 94 0.444 -0.09 1.9
--.LAV9.Z. 2002-04-13T23:55:24.10 10.0 undecidable manual PG 227 0.333 -0.24 1.7
--.MA9.Z. 2002-04-13T23:55:24.00 10.0 undecidable manual PG 243 0.3108 0.37 1.4
--.PTQR.Z. 2002-04-13T23:55:24.18 10.0 undecidable manual PG 66 0.2997 0.69 0.6
--.RDP.Z. 2002-04-13T23:55:22.81 10.0 positive manual PG 237 0.2664 -0.13 3.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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