Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 04-04-2014 and time 12:49:19 (Italy) in region 2 km W Vallepietra (RM)

A magnitude ML 2.0 earthquake occured in region: 2 km W Vallepietra (RM), on

  • 04-04-2014 10:49:19 (UTC)
  • 04-04-2014 12:49:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 41.9380, 13.2060 at 11 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Vallepietra RM 2 283 283
Jenne RM 6 366 649
Subiaco RM 9 9074 9723
Trevi nel Lazio FR 9 1822 11545
Cappadocia AQ 10 528 12073
Arcinazzo Romano RM 10 1348 13421
Affile RM 11 1548 14969
Filettino FR 11 565 15534
Castellafiume AQ 12 1106 16640
Camerata Nuova RM 12 447 17087
Cervara di Roma RM 13 455 17542
Piglio FR 13 4666 22208
Roiate RM 14 737 22945
Canterano RM 14 351 23296
Serrone FR 14 3099 26395
Fiuggi FR 15 10536 36931
Rocca di Botte AQ 15 856 37787
Rocca Canterano RM 15 196 37983
Tagliacozzo AQ 15 6889 44872
Agosta RM 15 1765 46637
Rocca Santo Stefano RM 15 975 47612
Capistrello AQ 16 5252 52864
Bellegra RM 16 2887 55751
Pereto AQ 16 682 56433
Acuto FR 16 1920 58353
Olevano Romano RM 17 6687 65040
Marano Equo RM 17 779 65819
Torre Cajetani FR 17 1376 67195
Canistro AQ 17 995 68190
Gerano RM 18 1263 69453
Guarcino FR 18 1623 71076
Scurcola Marsicana AQ 18 2824 73900
Sante Marie AQ 18 1166 75066
Civitella Roveto AQ 19 3268 78334
Cerreto Laziale RM 19 1118 79452
Oricola AQ 19 1244 80696
Trivigliano FR 19 1705 82401
Paliano FR 19 8281 90682
San Vito Romano RM 19 3273 93955
Arsoli RM 19 1586 95541
Anticoli Corrado RM 20 915 96456

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Tivoli (56533 inhabitants)
40 Km E of Guidonia Montecelio (88673 inhabitants)
45 Km NE of Velletri (53303 inhabitants)
49 Km SW of L'Aquila (69753 inhabitants)
58 Km NE of Latina (125985 inhabitants)
60 Km NE of Aprilia (73446 inhabitants)
60 Km E of Roma (2864731 inhabitants)
66 Km E of Pomezia (62966 inhabitants)
73 Km NE of Anzio (54211 inhabitants)
82 Km E of Fiumicino (78395 inhabitants)
83 Km SE of Terni (111501 inhabitants)
90 Km SW of Teramo (54892 inhabitants)
92 Km SW of Chieti (51815 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 		ML 2.0 2014-04-04
10:49:19		 41.9383 13.2062 11 2015-09-21
09:36:10		 Bollettino Sismico Italiano INGV 8638661
Reviewed
Rev100 		ML 2.1 2014-04-04
10:49:18		 41.9663 13.218 22 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 6064471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-04-04 10:49:19 ± 0.09
Latitude 41.9383 ± 0.0054
Longitude 13.2062 ± 0.0060
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 8638661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 560
Semi-minor axis of confidence ellipse (meter) 401
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 349
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 3.49836
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 8638661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-10-02 08:59:26

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 6064471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-04-04 10:59:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAZ.HHZ. 2014-04-04T10:51:19.99 3.0 undecidable manual Sn -2.09 0
IV.ISTR.HHZ. 2014-04-04T10:50:56.99 3.0 undecidable manual Sn 388.3224 0.27 0
IV.SALB.HHZ. 2014-04-04T10:50:56.99 3.0 undecidable manual Sg 9.45 0
AC.VLO.HHZ. 2014-04-04T10:50:31.73 3.0 positive manual Pn -2.3 0
IV.ISTR.HHZ. 2014-04-04T10:50:20.13 3.0 positive manual Pg 388.3224 6.27 0
IV.IST3.HHZ. 2014-04-04T10:50:17.29 3.0 negative manual Pn 3.41 0
CR.STON.BHZ. 2014-04-04T10:50:10.86 3.0 undecidable manual Pn -2.31 0
IV.ARVD.HHZ. 2014-04-04T10:50:10.99 3.0 undecidable manual Sg 1.69 0
IV.FOSV.EHZ. 2014-04-04T10:50:01.99 3.0 undecidable manual S -2.84 0
IV.SGRT.HHZ. 2014-04-04T10:49:53.62 3.0 undecidable manual Pn 1.7 0
IV.PP3.EHZ. 2014-04-04T10:49:46.82 3.0 negative manual P 0.97 0
IV.CERA.HHZ. 2014-04-04T10:49:42.67 0.3 undecidable manual S 119 77.0673 50 -0.15 66
IV.CSP1.EHZ. 2014-04-04T10:49:40.38 3.0 positive manual P -1.14 0
IV.INTR.HHZ. 2014-04-04T10:49:37.78 0.1 undecidable manual S 82 58.1973 50 0.01 93
IV.LATB.EHZ. 2014-04-04T10:49:36.60 0.1 undecidable manual S 202 53.3022 50 0.14 92
IV.POFI.HHZ. 2014-04-04T10:49:35.23 0.1 undecidable manual S 120 48.5181 50 0.05 94
IV.FAGN.HHZ. 2014-04-04T10:49:34.80 0.1 undecidable manual S 40 47.8188 50 -0.2 91
IV.CERA.HHZ. 2014-04-04T10:49:33.26 0.1 undecidable manual P 119 77.0673 50 0.21 86
IV.FIAM.HHZ. 2014-04-04T10:49:32.80 0.1 undecidable manual S 349 37.3293 50 0.6 84
IV.LATB.EHZ. 2014-04-04T10:49:29.41 0.1 undecidable manual P 202 53.3022 50 0.03 94
IV.INTR.HHZ. 2014-04-04T10:49:29.92 0.1 undecidable manual P 82 58.1973 50 -0.21 89
IV.FAGN.HHZ. 2014-04-04T10:49:28.26 0.1 undecidable manual P 40 47.8188 50 -0.27 90
IV.POFI.HHZ. 2014-04-04T10:49:28.60 0.1 undecidable manual P 120 48.5181 50 -0.04 94
IV.PTQR.HHZ. 2014-04-04T10:49:27.33 0.1 undecidable manual S 60 18.5703 120 0.22 96
IV.GUAR.HHZ. 2014-04-04T10:49:27.67 0.1 undecidable manual S 151 18.1707 120 0.65 85
IV.CERT.HHZ. 2014-04-04T10:49:27.06 0.1 undecidable manual S 274 18.5703 120 -0.06 99
IV.FIAM.HHZ. 2014-04-04T10:49:26.86 0.1 undecidable manual P 349 37.3293 50 -0.05 96
IV.CERT.HHZ. 2014-04-04T10:49:23.87 0.1 undecidable manual P 274 18.5703 120 -0.11 98
IV.PTQR.HHZ. 2014-04-04T10:49:23.99 0.1 undecidable manual P 60 18.5703 120 0.01 100
IV.GUAR.HHZ. 2014-04-04T10:49:23.08 0.1 undecidable manual P 151 18.1707 120 -0.85 78
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CERA.HHE. ML:2.1 0.00016299999999999998 0.74 AML other m 2014-04-04T10:49:49.88
IV.CERA.HHN. ML:2.0 0.00014749999999999998 0.8 AML other m 2014-04-04T10:49:55.85
IV.CERT.HHN. ML:1.9 0.0006345000000000001 0.22 AML other m 2014-04-04T10:49:30.76
IV.CERT.HHE. ML:2.1 0.000912 1.14 AML other m 2014-04-04T10:49:31.90
IV.FAGN.HHE. ML:2.2 0.00039549999999999996 0.46 AML other m 2014-04-04T10:49:49.78
IV.FAGN.HHN. ML:2.0 0.00027550000000000003 0.32 AML other m 2014-04-04T10:49:44.38
IV.FIAM.HHN. ML:2.0 0.000376 0.48 AML other m 2014-04-04T10:49:39.47
IV.FIAM.HHE. ML:2.0 0.00040649999999999996 0.62 AML other m 2014-04-04T10:49:40.48
IV.GUAR.HHE. ML:2.3 0.001745 0.28 AML other m 2014-04-04T10:49:27.98
IV.GUAR.HHN. ML:2.6 0.003105 0.36 AML other m 2014-04-04T10:49:28.42
IV.INTR.HHE. ML:1.9 0.0001785 1.32 AML other m 2014-04-04T10:49:43.75
IV.INTR.HHN. ML:2.0 0.00023649999999999998 1.12 AML other m 2014-04-04T10:49:39.74
IV.POFI.HHN. ML:1.7 0.00013550000000000001 0.58 AML other m 2014-04-04T10:49:40.87
IV.POFI.HHE. ML:1.9 0.0002105 0.46 AML other m 2014-04-04T10:49:38.12
IV.PTQR.HHN. ML:1.8 0.000495 1.4 AML other m 2014-04-04T10:49:28.80
IV.PTQR.HHE. ML:2.0 0.0007070000000000001 0.52 AML other m 2014-04-04T10:49:29.65
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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