Earthquake with magnitude of ML 1.2 on date 04-04-2019 and time 15:31:15 (Italy) in region 4 km NE Pizzoli (AQ)

A magnitude ML 1.2 earthquake occured in region: 4 km NE Pizzoli (AQ), on

  • 04-04-2019 13:31:15 (UTC)
  • 04-04-2019 15:31:15 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.46, 13.34 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pizzoli AQ 4 4326 4326
Barete AQ 5 737 5063
Capitignano AQ 8 665 5728
Cagnano Amiterno AQ 9 1369 7097
Montereale AQ 11 2581 9678
Scoppito AQ 11 3727 13405
Campotosto AQ 12 542 13947
L'Aquila AQ 13 69753 83700
Crognaleto TE 16 1297 84997
Borbona RI 18 617 85614
Lucoli AQ 18 1011 86625
Tornimparte AQ 18 3187 89812
Pietracamela TE 19 271 90083
Fano Adriano TE 20 296 90379
Amatrice RI 20 2657 93036

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km NW of L'Aquila (69753 inhabitants)
38 Km SW of Teramo (54892 inhabitants)
58 Km E of Terni (111501 inhabitants)
67 Km W of Montesilvano (53738 inhabitants)
69 Km W of Chieti (51815 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km W of Pescara (121014 inhabitants)
76 Km SE of Foligno (57155 inhabitants)
94 Km NE of Roma (2864731 inhabitants)
97 Km NE of Velletri (53303 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
Rev 1000 ML 1.2 2019-04-04
13:31:15
42.46 13.34 11 2019-08-22
08:25:11
Bollettino Sismico Italiano INGV 70825151
Rev 100 ML 1.4 2019-04-04
13:31:15
42.46 13.34 11 2019-04-04
13:39:10
Sala Sismica INGV-Roma 67251801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-04 13:31:15 ± 0.1
Latitude 42.46 ± 0.01
Longitude 13.34 ± 0.01
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 70825151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 607
Semi-minor axis of confidence ellipse (meter) 520
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 3
Circular confidence region, given by single value of horizontal uncertainty (meter) 610
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.09623
Epicentral distance of station farthest from the epicenter (degree) 0.60974
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 70825151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-23 12:19:16

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 67251801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-04 13:39:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2019-04-04T13:31:36.80 0.3 undecidable manual S 343 0.6097 50 0.47 62
IV.FDMO.HHZ. 2019-04-04T13:31:27.58 0.3 undecidable manual P 343 0.6097 50 -0.07 68
IV.FIAM.HNZ. 2019-04-04T13:31:25.40 0.6 undecidable manual S 221 0.2473 50 -0.22 47
IV.LNSS.HHZ. 2019-04-04T13:31:25.80 0.3 undecidable manual S 304 0.2635 50 -0.29 69
IV.TERO.HHZ. 2019-04-04T13:31:25.50 0.3 undecidable manual S 49 0.2581 50 -0.44 67
IV.T1299.HNZ. 2019-04-04T13:31:23.80 0.3 undecidable manual S 347 0.1835 50 0.08 73
IV.SMA1.EHZ. 2019-04-04T13:31:23.80 0.3 undecidable manual S 360 0.1754 50 0.32 70
IV.GIGS.HHZ. 2019-04-04T13:31:23.00 0.3 undecidable manual S 91 0.1736 50 -0.43 68
IV.FAGN.HHZ. 2019-04-04T13:31:22.09 0.3 undecidable manual P 136 0.2626 50 0.37 68
IV.LNSS.HHZ. 2019-04-04T13:31:21.48 0.1 undecidable manual P 304 0.2635 50 -0.25 93
IV.TERO.HHZ. 2019-04-04T13:31:21.56 0.3 undecidable manual P 49 0.2581 50 -0.09 72
IV.FIAM.HNZ. 2019-04-04T13:31:21.90 0.1 undecidable manual P 221 0.2473 50 0.44 90
IV.CAMP.HHZ. 2019-04-04T13:31:21.20 0.3 undecidable manual S 33 0.0962 135 0.11 74
IV.GIGS.HHZ. 2019-04-04T13:31:20.13 0.3 undecidable manual P 91 0.1736 50 -0.07 74
IV.RM33.EHZ. 2019-04-04T13:31:20.90 0.3 undecidable manual S 301 0.1052 133 -0.42 69
IV.T1299.HNZ. 2019-04-04T13:31:20.34 0.1 undecidable manual P 347 0.1835 50 -0.03 99
IV.SMA1.EHZ. 2019-04-04T13:31:20.42 0.3 undecidable manual P 360 0.1754 50 0.2 72
IV.CAMP.HHZ. 2019-04-04T13:31:19.15 0.3 undecidable manual P 33 0.0962 135 0.31 71
IV.RM33.EHZ. 2019-04-04T13:31:18.93 0.1 undecidable manual P 301 0.1052 133 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.HNN. ML:1.5 0.0003145 0.6 AML other m 2019-04-04T13:31:21.21
IV.RM33.HNE. ML:1.6 0.000465 0.74 AML other m 2019-04-04T13:31:22.37
IV.RM33.EHE. ML:1.5 0.00033891385 0.16 AML other m 2019-04-04T13:31:22.32
IV.GIGS.HHE. ML:0.8 5.065E-5 0.86 AML other m 2019-04-04T13:31:23.66
IV.GIGS.HHN. ML:0.7 4.16E-5 0.56 AML other m 2019-04-04T13:31:23.78
IV.TERO.HHN. ML:0 7.03E-5 0.3 AML other m 2019-04-04T13:31:26.86
IV.TERO.HHE. ML:1.2 6.840685E-5 0.0768 AML other m 2019-04-04T13:31:26.57
IV.LNSS.HHE. ML:1.4 0.000111 0.12 AML other m 2019-04-04T13:31:26.81
IV.LNSS.HHN. ML:1.3 0.0001043 0.96 AML other m 2019-04-04T13:31:27.93
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download