Earthquake with magnitude of ML 1.0 on date 13-03-2020 and time 11:57:30 (Italy) in region 4 km E Acquasanta Terme (AP)

A magnitude ML 1.0 earthquake occured in region: 4 km E Acquasanta Terme (AP), on

  • 13-03-2020 10:57:30 (UTC)
  • 13-03-2020 11:57:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7690, 13.4590 at 18 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.

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 4 2916 2916
Valle Castellana TE 5 977 3893
Roccafluvione AP 10 2010 5903
Rocca Santa Maria TE 11 537 6440
Venarotta AP 13 2066 8506
Montegallo AP 13 523 9029
Arquata del Tronto AP 13 1178 10207
Ascoli Piceno AP 14 49407 59614
Palmiano AP 15 196 59810
Folignano AP 15 9241 69051
Cortino TE 17 656 69707
Civitella del Tronto TE 17 5116 74823
Montemonaco AP 18 604 75427
Accumoli RI 19 667 76094
Campli TE 19 7209 83303

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Teramo (54892 inhabitants)
47 Km N of L'Aquila (69753 inhabitants)
63 Km W of Montesilvano (53738 inhabitants)
65 Km E of Foligno (57155 inhabitants)
70 Km E of Terni (111501 inhabitants)
71 Km W of Pescara (121014 inhabitants)
74 Km NW of Chieti (51815 inhabitants)
95 Km S of Ancona (100861 inhabitants)
95 Km E of Perugia (166134 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 1.0 2020-03-13
10:57:30
42.7693 13.4588 18 2020-03-13
11:04:56
Sala Sismica INGV-Roma 77235681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-13 10:57:30 ± 0.15
Latitude 42.7693 ± 0.0045
Longitude 13.4588 ± 0.0086
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77235681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 733
Semi-minor axis of confidence ellipse (meter) 157
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 174
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) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.04766
Epicentral distance of station farthest from the epicenter (degree) 0.37232
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 77235681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-13 11:04:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-03-13T10:57:44.25 0.3 undecidable manual S 330 41.3253 103 0.31 67
IV.RM33.EHZ. 2020-03-13T10:57:42.71 0.6 undecidable manual S 215 35.1426 106 0.37 45
IV.NRCA.HHZ. 2020-03-13T10:57:40.66 0.6 undecidable manual S 284 28.9488 110 -0.12 48
IV.MC2.EHZ. 2020-03-13T10:57:40.51 0.3 undecidable manual S 306 27.0507 112 0.21 71
IV.SMA1.EHZ. 2020-03-13T10:57:38.28 0.6 undecidable manual S 213 18.3705 125 0.01 50
IV.TERO.HHZ. 2020-03-13T10:57:38.72 0.6 undecidable manual S 144 20.0688 122 0.07 49
IV.RM33.EHZ. 2020-03-13T10:57:37.16 1.0 undecidable manual P 215 35.1426 106 -0.08 24
IV.MMO1.HNE. 2020-03-13T10:57:37.98 0.3 undecidable manual S 323 17.9709 125 -0.19 72
IV.CSP1.EHZ. 2020-03-13T10:57:37.92 1.0 undecidable manual P 330 41.3253 103 -0.24 23
IV.NRCA.HHZ. 2020-03-13T10:57:36.09 0.1 negative manual P 284 28.9488 110 -0.25 93
IV.MTRA.EHZ. 2020-03-13T10:57:35.99 0.6 undecidable manual S 254 5.2947 160 -0.09 50
IV.MC2.EHZ. 2020-03-13T10:57:35.98 1.0 negative manual P 306 27.0507 112 -0.08 24
IV.TERO.HHZ. 2020-03-13T10:57:35.04 0.6 undecidable manual P 144 20.0688 122 -0.07 49
IV.MMO1.HNE. 2020-03-13T10:57:34.93 0.1 undecidable manual P 323 17.9709 125 0.09 98
IV.SMA1.EHZ. 2020-03-13T10:57:34.91 0.1 positive manual P 213 18.3705 125 0.02 99
IV.MTRA.EHZ. 2020-03-13T10:57:33.56 0.1 undecidable manual P 254 5.2947 160 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:0.9 0.00007835000000000001 0.24 AML other m 2020-03-13T10:57:36.19
IV.MTRA.EHE. ML:0.9 0.0000797 1.12 AML other m 2020-03-13T10:57:36.16
IV.SMA1.EHN. ML:1.0 0.000060950000000000004 0.2 AML other m 2020-03-13T10:57:38.63
IV.SMA1.EHE. ML:1.0 0.000066 0.62 AML other m 2020-03-13T10:57:38.61
IV.TERO.HHE. ML:0.9 0.00005044999999999999 0.08 AML other m 2020-03-13T10:57:38.91
IV.TERO.HHN. ML:1.2 0.0000853 1.16 AML other m 2020-03-13T10:57:39.87
IV.NRCA.HHN. ML:1.5 0.00013900000000000002 0.16 AML other m 2020-03-13T10:57:40.81
IV.NRCA.HHE. ML:1.4 0.000126 0.08 AML other m 2020-03-13T10:57:40.94
IV.RM33.EHE. ML:0.4 0.000010016968000000002 0.48 AML other m 2020-03-13T10:57:53.03
IV.RM33.EHN. ML:0.4 0.000010719523999999999 0.256 AML other m 2020-03-13T10:57:45.32
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