Earthquake with magnitude of ML 1.5 on date 31-03-2019 and time 08:11:36 (Italy) in region 5 km SW Acquasanta Terme (AP)

A magnitude ML 1.5 earthquake occured in region: 5 km SW Acquasanta Terme (AP), on

  • 31-03-2019 06:11:36 (UTC)
  • 31-03-2019 08:11:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7380, 13.3740 at 10 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
Acquasanta Terme AP 5 2916 2916
Arquata del Tronto AP 7 1178 4094
Valle Castellana TE 10 977 5071
Accumoli RI 11 667 5738
Montegallo AP 12 523 6261
Rocca Santa Maria TE 14 537 6798
Amatrice RI 14 2657 9455
Roccafluvione AP 16 2010 11465
Cortino TE 17 656 12121
Montemonaco AP 18 604 12725
Venarotta AP 19 2066 14791
Palmiano AP 19 196 14987
Campotosto AQ 20 542 15529

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of Teramo (54892 inhabitants)
43 Km N of L'Aquila (69753 inhabitants)
60 Km E of Foligno (57155 inhabitants)
63 Km E of Terni (111501 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
75 Km W of Pescara (121014 inhabitants)
78 Km NW of Chieti (51815 inhabitants)
90 Km E of Perugia (166134 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km NE of Tivoli (56533 inhabitants)
99 Km S of Ancona (100861 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 1.5 2019-03-31
06:11:36
42.7382 13.3743 10 2019-08-22
08:24:56
Bollettino Sismico Italiano INGV 67610571
Reviewed
Rev100
ML 1.6 2019-03-31
06:11:36
42.7347 13.3788 10 2019-03-31
06:18:23
Sala Sismica INGV-Roma 67101621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-31 06:11:36 ± 0.06
Latitude 42.7382 ± 0.0027
Longitude 13.3743 ± 0.0061
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 67610571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 459
Semi-minor axis of confidence ellipse (meter) 77
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 78
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
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 38
Number of defining phases 35
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38491
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 67610571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-15 16:08:32

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 67101621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-03-31 06:18:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2019-03-31T06:12:10.21 3.0 undecidable manual S -4.02 0
IV.PIEI.HHZ. 2019-03-31T06:11:52.45 3.0 undecidable manual P -2.59 0
IV.FDMO.HHZ. 2019-03-31T06:11:50.02 0.3 undecidable manual S 325 40.5261 50 -0.21 68
IT.MTCL.HGZ. 2019-03-31T06:11:50.18 0.6 undecidable manual S 313 41.625 50 -0.36 44
MN.AQU.HNN. 2019-03-31T06:11:50.76 0.3 undecidable manual S 177 42.7239 50 -0.06 70
IV.FEMA.HNE. 2019-03-31T06:11:49.12 1.0 undecidable manual S 313 36.2415 50 0.02 24
IV.GUMA.HHZ. 2019-03-31T06:11:49.42 0.3 undecidable manual S 355 36.1416 50 0.35 66
IV.OFFI.HHZ. 2019-03-31T06:11:49.99 0.6 undecidable manual S 49 33.4443 50 1.64 24
IV.GIGS.HHZ. 2019-03-31T06:11:48.74 0.3 undecidable manual S 153 35.5422 50 -0.17 69
IV.LNSS.HHZ. 2019-03-31T06:11:47.70 0.3 undecidable manual S 241 31.1466 50 -0.03 72
IV.RM33.EHZ. 2019-03-31T06:11:47.03 0.1 undecidable manual S 207 28.5492 50 -0.02 96
IV.MF5.EHZ. 2019-03-31T06:11:47.22 0.3 undecidable manual S 14 28.5492 50 0.17 70
MN.AQU.HNN. 2019-03-31T06:11:45.19 0.6 undecidable manual P 177 42.7239 50 0.37 44
IV.MC2.EHZ. 2019-03-31T06:11:45.73 0.3 undecidable manual S 322 24.4533 111 0 73
IV.NRCA.HHZ. 2019-03-31T06:11:45.20 0.3 undecidable manual S 297 23.6541 112 -0.29 69
IV.CAMP.HHZ. 2019-03-31T06:11:44.88 0.3 undecidable manual S 173 22.6551 113 -0.27 69
IV.FDMO.HHZ. 2019-03-31T06:11:44.27 0.6 undecidable manual P 325 40.5261 50 -0.21 45
IV.FEMA.HNE. 2019-03-31T06:11:44.24 3.0 undecidable manual P 313 36.2415 50 0.41 0
IV.TERO.HHZ. 2019-03-31T06:11:44.60 0.1 undecidable manual S 124 22.6551 113 -0.56 85
IT.MTCL.HGZ. 2019-03-31T06:11:44.56 1.0 undecidable manual P 313 41.625 50 -0.1 23
IV.OFFI.HHZ. 2019-03-31T06:11:43.92 0.3 undecidable manual P 49 33.4443 50 0.52 64
IV.MMO1.EHZ. 2019-03-31T06:11:43.58 0.1 undecidable manual S 348 18.2706 118 -0.21 94
IV.GIGS.HHZ. 2019-03-31T06:11:43.48 0.3 undecidable manual P 153 35.5422 50 -0.23 68
IV.GUMA.HHZ. 2019-03-31T06:11:43.79 1.0 undecidable manual P 355 36.1416 50 -0.02 24
IV.T1299.HNN. 2019-03-31T06:11:42.97 0.1 undecidable manual S 213 13.7751 125 0.53 88
IV.MF5.EHZ. 2019-03-31T06:11:42.65 0.3 undecidable manual P 14 28.5492 50 0.01 72
IV.SMA1.EHZ. 2019-03-31T06:11:42.36 0.1 undecidable manual S 195 12.3765 128 0.31 93
IV.LNSS.HHZ. 2019-03-31T06:11:42.85 0.6 undecidable manual P 241 31.1466 50 -0.19 46
IV.RM33.EHZ. 2019-03-31T06:11:42.52 0.1 undecidable manual P 207 28.5492 50 -0.12 94
IV.TERO.HHZ. 2019-03-31T06:11:41.27 0.1 undecidable manual P 124 22.6551 113 -0.29 92
IV.CAMP.HHZ. 2019-03-31T06:11:41.44 0.1 undecidable manual P 173 22.6551 113 -0.11 95
IV.MC2.EHZ. 2019-03-31T06:11:41.83 0.1 undecidable manual P 322 24.4533 111 -0.05 96
IV.NRCA.HHZ. 2019-03-31T06:11:41.57 0.1 undecidable manual P 297 23.6541 112 -0.17 94
IV.MTRA.HNZ. 2019-03-31T06:11:40.11 0.1 undecidable manual S 41 2.6973 164 0.04 100
IV.T1299.HNN. 2019-03-31T06:11:40.36 0.3 undecidable manual P 213 13.7751 125 0.38 69
IV.SMA1.EHZ. 2019-03-31T06:11:40.02 0.1 undecidable manual P 195 12.3765 128 0.26 94
IV.MMO1.EHZ. 2019-03-31T06:11:40.66 0.1 undecidable manual P 348 18.2706 118 -0.1 96
IV.MTRA.HNZ. 2019-03-31T06:11:38.80 0.1 undecidable manual P 41 2.6973 164 0.18 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:0.0 0.002056753 0.2016 AML other m 2019-03-31T06:11:40.61
IV.MTRA.HNE. ML:0.0 0.002053915 0.2016 AML other m 2019-03-31T06:11:40.60
IV.MTRA.HNN. ML:0.0 0.002878828 0.1792 AML other m 2019-03-31T06:11:40.16
IV.MTRA.EHN. ML:0.0 0.0028183195 0.1984 AML other m 2019-03-31T06:11:40.16
IV.SMA1.EHN. ML:1.9 0.0009186522999999999 0.2176 AML other m 2019-03-31T06:11:42.38
IV.SMA1.EHE. ML:1.7 0.0006028635499999999 0.1376 AML other m 2019-03-31T06:11:42.37
IV.TERO.HNE. ML:1.1 0.00007392113000000001 0.1376 AML other m 2019-03-31T06:11:46.33
IV.TERO.HHN. ML:1.4 0.0001565113 0.08 AML other m 2019-03-31T06:11:45.33
IV.TERO.HNN. ML:1.1 0.00008043004 0.08 AML other m 2019-03-31T06:11:45.30
IV.TERO.HHE. ML:1.3 0.00013170009999999998 0.1376 AML other m 2019-03-31T06:11:45.33
IV.RM33.HNN. ML:1.7 0.00025106669999999995 0.24 AML other m 2019-03-31T06:11:47.04
IV.RM33.EHE. ML:1.8 0.000315416 0.16 AML other m 2019-03-31T06:11:47.34
IV.RM33.HNE. ML:1.8 0.00033027400000000003 0.1696 AML other m 2019-03-31T06:11:47.34
IV.RM33.EHN. ML:1.7 0.0002447511 0.24 AML other m 2019-03-31T06:11:47.04
IV.MF5.EHN. ML:1.5 0.00015223525 0.2592 AML other m 2019-03-31T06:11:47.59
IV.MF5.EHE. ML:1.4 0.00012434715 0.4192 AML other m 2019-03-31T06:11:47.66
IV.LNSS.HNE. ML:2.0 0.00044163045000000003 0.1312 AML other m 2019-03-31T06:11:48.05
IV.LNSS.HHE. ML:2.0 0.00046014785 0.1216 AML other m 2019-03-31T06:11:48.04
IV.LNSS.HNN. ML:1.9 0.00035260045 0.1472 AML other m 2019-03-31T06:11:48.01
IV.LNSS.HHN. ML:2.0 0.000411635 0.3392 AML other m 2019-03-31T06:11:48.00
IV.GIGS.HHN. ML:1.1 0.00005716259 0.16 AML other m 2019-03-31T06:11:48.86
IV.GIGS.HHE. ML:0.9 0.00003184069 0.08 AML other m 2019-03-31T06:11:48.90
IV.GUMA.HHE. ML:1.4 0.000105646085 0.2592 AML other m 2019-03-31T06:11:51.96
IV.GUMA.HHN. ML:1.4 0.00009134022999999999 0.3424 AML other m 2019-03-31T06:11:52.69
IV.OFFI.HHN. ML:1.8 0.0002816958 0.4992 AML other m 2019-03-31T06:11:50.37
IV.OFFI.HHE. ML:1.5 0.00013215055 0.2784 AML other m 2019-03-31T06:11:50.52
IV.FDMO.HHN. ML:1.0 0.00003512524 0.2176 AML other m 2019-03-31T06:11:50.25
IV.FDMO.HHE. ML:0.9 0.00002342317 0.16 AML other m 2019-03-31T06:11:52.83
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