Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 03-04-2019 and time 03:48:45 (Italy) in region 4 km E Borgorose (RI)

A magnitude ML 1.2 earthquake occured in region: 4 km E Borgorose (RI), on

  • 03-04-2019 01:48:45 (UTC)
  • 03-04-2019 03:48:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.1790, 13.2790 at 10 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Borgorose RI 4 4591 4591
Sante Marie AQ 10 1166 5757
Pescorocchiano RI 11 2075 7832
Magliano de' Marsi AQ 12 3690 11522
Massa d'Albe AQ 12 1476 12998
Tagliacozzo AQ 12 6889 19887
Tornimparte AQ 13 3187 23074
Lucoli AQ 14 1011 24085
Scurcola Marsicana AQ 14 2824 26909
Fiamignano RI 16 1413 28322
Nespolo RI 17 246 28568
Carsoli AQ 19 5396 33964
Rocca di Cambio AQ 19 533 34497
Cappadocia AQ 19 528 35025
Collalto Sabino RI 20 442 35467
Marcetelli RI 20 89 35556
Pereto AQ 20 682 36238
Ocre AQ 20 1167 37405
Collegiove RI 20 213 37618

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km SW of L'Aquila (69753 inhabitants)
46 Km NE of Tivoli (56533 inhabitants)
50 Km E of Guidonia Montecelio (88673 inhabitants)
64 Km SW of Teramo (54892 inhabitants)
67 Km SE of Terni (111501 inhabitants)
69 Km NE of Velletri (53303 inhabitants)
73 Km E of Roma (2864731 inhabitants)
76 Km W of Chieti (51815 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
83 Km W of Pescara (121014 inhabitants)
83 Km NE of Aprilia (73446 inhabitants)
85 Km NE of Latina (125985 inhabitants)
86 Km NE of Pomezia (62966 inhabitants)
97 Km E of Fiumicino (78395 inhabitants)
97 Km NE of Anzio (54211 inhabitants)
99 Km SE of Foligno (57155 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
Reviewed
Rev100 		ML 1.2 2019-04-03
01:48:45		 42.179 13.2793 10 2019-04-03
01:56:48		 Sala Sismica INGV-Roma 67209971
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-03 01:48:45 ± 0.07
Latitude 42.1790 ± 0.0036
Longitude 13.2793 ± 0.0061
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 67209971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 433
Semi-minor axis of confidence ellipse (meter) 322
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
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) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.14929
Epicentral distance of station farthest from the epicenter (degree) 0.33365
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 67209971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-03 01:56:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2019-04-03T01:48:58.41 0.3 undecidable manual S 352 37.0296 50 0.19 70
IV.CERT.HHZ. 2019-04-03T01:48:57.78 0.6 undecidable manual S 224 35.3424 50 -0.01 48
IV.FAGN.HHZ. 2019-04-03T01:48:55.82 0.6 undecidable manual S 69 26.751 50 0.32 46
IV.PTQR.HHZ. 2019-04-03T01:48:53.53 0.6 undecidable manual S 150 20.0688 116 0.16 48
IV.FIAM.HHZ. 2019-04-03T01:48:52.34 0.6 undecidable manual S 307 16.5723 121 0.04 50
IV.CERT.HHZ. 2019-04-03T01:48:52.67 0.1 undecidable manual P 224 35.3424 50 0.02 96
IV.RM33.EHZ. 2019-04-03T01:48:52.78 0.1 undecidable manual P 352 37.0296 50 -0.12 94
IV.FAGN.HHZ. 2019-04-03T01:48:51.03 0.1 undecidable manual P 69 26.751 50 -0.29 93
IV.PTQR.HHZ. 2019-04-03T01:48:50.08 0.1 undecidable manual P 150 20.0688 116 -0.01 99
IV.FIAM.HHZ. 2019-04-03T01:48:49.48 0.1 undecidable manual P 307 16.5723 121 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTQR.HHE. ML:1.1 0.00009359999999999998 0.7 AML other m 2019-04-03T01:48:55.47
IV.PTQR.HHN. ML:1.1 0.00010089999999999999 0.84 AML other m 2019-04-03T01:48:56.77
IV.FAGN.HHN. ML:1.6 0.00021 0.42 AML other m 2019-04-03T01:48:57.25
IV.FAGN.HHE. ML:1.6 0.00023249999999999999 0.3 AML other m 2019-04-03T01:48:57.80
IV.FIAM.HHN. ML:1.0 0.000087 0.84 AML other m 2019-04-03T01:48:58.47
IV.FIAM.HHE. ML:1.0 0.00009520000000000001 0.48 AML other m 2019-04-03T01:48:58.10
IV.CERT.HHE. ML:1.1 0.000048549999999999994 0.36 AML other m 2019-04-03T01:48:58.20
IV.CERT.HHN. ML:1.0 0.0000431 0.92 AML other m 2019-04-03T01:48:59.40
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download