Earthquake with magnitude of ML 0.9 on date 20-10-2019 and time 18:15:27 (Italy) in region 2 km NW Pollenza (MC)

A magnitude ML 0.9 earthquake occured in region: 2 km NW Pollenza (MC), on

  • 20-10-2019 16:15:27 (UTC)
  • 20-10-2019 18:15:27 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.28, 13.34 at 23 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
Pollenza MC 2 6618 6618
Treia MC 4 9403 16021
Appignano MC 9 4213 20234
Tolentino MC 9 20069 40303
Macerata MC 10 42473 82776
Urbisaglia MC 10 2628 85404
Montecassiano MC 12 7125 92529
Petriolo MC 12 1998 94527
Colmurano MC 13 1263 95790
Cingoli MC 14 10352 106142
San Severino Marche MC 14 12726 118868
Corridonia MC 14 15430 134298
Loro Piceno MC 14 2401 136699
Belforte del Chienti MC 15 1886 138585
Ripe San Ginesio MC 16 852 139437
Mogliano MC 16 4696 144133
Montefano MC 17 3541 147674
Serrapetrona MC 17 966 148640
Filottrano AN 17 9499 158139
Camporotondo di Fiastrone MC 18 563 158702
Caldarola MC 18 1823 160525
Massa Fermana FM 18 963 161488
Francavilla d'Ete FM 19 964 162452
San Ginesio MC 19 3498 165950
Montappone FM 20 1682 167632
Montelupone MC 20 3596 171228
Morrovalle MC 20 10195 181423

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km SW of Ancona (100861 inhabitants)
63 Km NE of Foligno (57155 inhabitants)
68 Km SE of Fano (60888 inhabitants)
76 Km NW of Teramo (54892 inhabitants)
78 Km SE of Pesaro (94582 inhabitants)
79 Km E of Perugia (166134 inhabitants)
98 Km NE of Terni (111501 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Rev 100 ML 0.9 2019-10-20
16:15:27
43.28 13.34 23 2019-10-20
16:23:45
Sala Sismica INGV-Roma 73358761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-20 16:15:27 ± 0.1
Latitude 43.28 ± 0.00
Longitude 13.34 ± 0.01
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 73358761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 692
Semi-minor axis of confidence ellipse (meter) 379
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 690
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 211
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.47844
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0
Num. used stations 2
Type of magnitude ML
Reference to an origin 73358761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-20 16:23:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MNTT.EHE. 2019-10-20T16:15:57.59 0.1 undecidable manual P 0.2896 2.289 0
IV.FDMO.HHZ. 2019-10-20T16:15:40.30 0.6 undecidable manual S 217 0.3076 116 0.14 48
IV.SNTG.HHZ. 2019-10-20T16:15:39.90 0.6 undecidable manual S 265 0.2914 118 0.16 47
IV.AOI.. 2019-10-20T16:15:37.10 3.0 undecidable manual P 0
IV.EL6.EHZ. 2019-10-20T16:15:37.10 0.6 undecidable manual S 285 0.1781 133 0.11 49
IV.NRCA.HHZ. 2019-10-20T16:15:37.50 0.1 undecidable manual P 200 0.4784 106 -0.21 91
IV.CSP1.EHZ. 2019-10-20T16:15:37.80 0.6 undecidable manual S 207 0.2149 127 -0.02 49
IV.CING.HHE. 2019-10-20T16:15:36.16 0.6 undecidable manual S 312 0.1394 141 -0.04 50
IV.PF6.EHN. 2019-10-20T16:15:36.93 0.6 undecidable manual S 216 0.179 133 -0.08 49
IV.MF5.EHZ. 2019-10-20T16:15:35.28 0.1 positive manual P 163 0.3085 116 0.3 91
IV.ARVD.HHZ. 2019-10-20T16:15:35.82 0.1 undecidable manual P 307 0.3597 112 0.04 95
IV.SNTG.HHZ. 2019-10-20T16:15:34.79 0.6 undecidable manual P 265 0.2914 118 0.07 48
IV.FDMO.HHZ. 2019-10-20T16:15:34.83 0.6 negative manual P 217 0.3076 116 -0.14 47
IV.EL6.EHZ. 2019-10-20T16:15:33.20 0.3 positive manual P 285 0.1781 133 0.06 74
IV.CSP1.EHZ. 2019-10-20T16:15:33.57 0.3 negative manual P 207 0.2149 127 -0.04 74
IV.CING.HHE. 2019-10-20T16:15:32.62 0.1 undecidable manual P 312 0.1394 141 -0.05 100
IV.PF6.EHN. 2019-10-20T16:15:32.97 0.1 undecidable manual P 216 0.179 133 -0.18 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.9 3.23E-5 0.88 AML other m 2019-10-20T16:15:40.93
IV.FDMO.HHN. ML:0.9 2.955E-5 0.62 AML other m 2019-10-20T16:15:41.46
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