Earthquake with magnitude of ML 0.9 on date 18-03-2020 and time 07:41:31 (Italy) in region 4 km W Montemonaco (AP)

A magnitude ML 0.9 earthquake occured in region: 4 km W Montemonaco (AP), on

  • 18-03-2020 06:41:31 (UTC)
  • 18-03-2020 07:41:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9080, 13.2780 at 26 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
Montemonaco AP 4 604 604
Montefortino FM 7 1178 1782
Montegallo AP 9 523 2305
Castelsantangelo sul Nera MC 10 281 2586
Amandola FM 10 3629 6215
Bolognola MC 11 142 6357
Ussita MC 12 444 6801
Comunanza AP 13 3166 9967
Sarnano MC 14 3264 13231
Palmiano AP 15 196 13427
Arquata del Tronto AP 15 1178 14605
Visso MC 16 1107 15712
Acquacanina MC 16 121 15833
Roccafluvione AP 17 2010 17843
Montefalcone Appennino FM 17 424 18267
Fiastra MC 17 559 18826
Smerillo FM 18 365 19191
Venarotta AP 18 2066 21257
Gualdo MC 19 815 22072
Force AP 19 1354 23426
Acquasanta Terme AP 19 2916 26342
Monte San Martino MC 19 765 27107
Norcia PG 20 4957 32064
Preci PG 20 724 32788

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km NW of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
63 Km N of L'Aquila (69753 inhabitants)
64 Km NE of Terni (111501 inhabitants)
76 Km E of Perugia (166134 inhabitants)
81 Km S of Ancona (100861 inhabitants)
84 Km NW of Montesilvano (53738 inhabitants)
91 Km NW of Pescara (121014 inhabitants)
96 Km NW 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
Reviewed
Rev100
ML 0.9 2020-03-18
06:41:31
42.908 13.2778 26 2020-03-18
06:52:24
Sala Sismica INGV-Roma 77342611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-18 06:41:31 ± 0.14
Latitude 42.9080 ± 0.0045
Longitude 13.2778 ± 0.0086
Depth (km) 26 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 77342611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 719
Semi-minor axis of confidence ellipse (meter) 156
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 295
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37232
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 77342611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-18 06:52:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.CIMO.HHZ. 2020-03-18T06:43:17.42 3.0 undecidable manual Sg 17.99 0
MN.TRI.HHZ. 2020-03-18T06:42:56.77 3.0 undecidable manual Sg 12.38 0
IV.MSFR.HHZ. 2020-03-18T06:42:39.08 0.1 undecidable manual P -4.27 0
GU.RNCA.HHZ. 2020-03-18T06:42:19.73 3.0 undecidable manual Pn -1.21 0
IV.PZUN.HHZ. 2020-03-18T06:42:15.97 3.0 undecidable manual Pn 0.26 0
OT.OT05.EHZ. 2020-03-18T06:42:09.02 3.0 positive manual Pg 4.6 0
IV.ROSPO.HHZ. 2020-03-18T06:41:53.92 3.0 undecidable manual Pn -0.36 0
IV.VVLD.HHZ. 2020-03-18T06:41:50.59 3.0 negative manual Pg 0.77 0
IV.SMA1.EHZ. 2020-03-18T06:41:43.36 0.3 undecidable manual S 171 31.1466 124 0.07 73
IV.CSP1.EHZ. 2020-03-18T06:41:41.30 0.3 undecidable manual S 344 21.2676 136 0.05 74
IV.NRCA.HHZ. 2020-03-18T06:41:40.41 0.3 undecidable manual S 238 15.6732 145 0.11 74
IV.MF5.EHZ. 2020-03-18T06:41:40.81 0.3 undecidable manual S 59 17.2716 142 0.26 71
IV.TERO.HHZ. 2020-03-18T06:41:39.53 0.3 undecidable manual P 140 41.3253 115 -0.04 71
IV.MMO1.EHZ. 2020-03-18T06:41:38.71 0.3 undecidable manual S 103 4.0959 170 -0.39 72
IV.SMA1.EHZ. 2020-03-18T06:41:38.28 0.1 undecidable manual P 171 31.1466 124 0.07 97
IV.PF6.EHZ. 2020-03-18T06:41:37.53 0.1 undecidable manual P 345 26.3514 129 -0.09 97
IV.CSP1.EHZ. 2020-03-18T06:41:37.02 0.1 undecidable manual P 344 21.2676 136 -0.01 100
IV.NRCA.HHZ. 2020-03-18T06:41:36.54 0.1 undecidable manual P 238 15.6732 145 0.06 100
IV.MF5.EHZ. 2020-03-18T06:41:36.74 0.1 undecidable manual P 59 17.2716 142 0.12 98
IV.MMO1.EHZ. 2020-03-18T06:41:35.64 0.1 undecidable manual P 103 4.0959 170 -0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.00004865 0.16 AML other m 2020-03-18T06:41:40.84
IV.FDMO.HHE. ML:0.6 0.000021499999999999997 1.02 AML other m 2020-03-18T06:41:41.19
IV.FDMO.HHN. ML:0.9 0.000034099999999999995 0.62 AML other m 2020-03-18T06:41:41.46
IV.NRCA.HHE. ML:0.9 0.0000392 1.02 AML other m 2020-03-18T06:41:43.10
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