Earthquake with magnitude of ML 2.1 on date 04-10-2020 and time 13:46:37 (UTC) in region 4 km N Ponzano di Fermo (FM)

A magnitude ML 2.1 earthquake occured in region: 4 km N Ponzano di Fermo (FM), on

  • 04-10-2020 13:46:37 (UTC)
  • 04-10-2020 15:46:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.14, 13.67 at 20 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
Ponzano di Fermo FM 4 1674 1674
Fermo FM 5 37655 39329
Monte Giberto FM 6 801 40130
Grottazzolina FM 6 3398 43528
Monterubbiano FM 7 2230 45758
Magliano di Tenna FM 7 1452 47210
Rapagnano FM 7 2145 49355
Torre San Patrizio FM 8 2048 51403
Moresco FM 8 598 52001
Monte Urano FM 8 8353 60354
Petritoli FM 8 2335 62689
Lapedona FM 9 1166 63855
Monte San Pietrangeli FM 10 2458 66313
Monte Vidon Combatte FM 10 433 66746
Sant'Elpidio a Mare FM 10 17110 83856
Altidona FM 11 3390 87246
Montottone FM 11 979 88225
Montegiorgio FM 11 6851 95076
Montegranaro FM 11 12990 108066
Montefiore dell'Aso AP 11 2123 110189
Porto San Giorgio FM 11 16121 126310
Carassai AP 12 1100 127410
Belmonte Piceno FM 12 646 128056
Monsampietro Morico FM 12 659 128715
Francavilla d'Ete FM 12 964 129679
Ortezzano FM 13 774 130453
Monte San Giusto MC 13 8191 138644
Campofilone FM 13 1916 140560
Massignano AP 14 1638 142198
Monte Rinaldo FM 14 379 142577
Pedaso FM 14 2800 145377
Monteleone di Fermo FM 15 395 145772
Porto Sant'Elpidio FM 15 26152 171924
Monte Vidon Corrado FM 15 731 172655
Servigliano FM 16 2336 174991
Massa Fermana FM 16 963 175954
Falerone FM 16 3337 179291
Montappone FM 16 1682 180973
Mogliano MC 17 4696 185669
Ripatransone AP 17 4309 189978
Cossignano AP 17 978 190956
Montelparo FM 17 778 191734
Montalto delle Marche AP 17 2122 193856
Corridonia MC 18 15430 209286
Petriolo MC 19 1998 211284
Santa Vittoria in Matenano FM 19 1330 212614
Civitanova Marche MC 20 41983 254597
Cupra Marittima AP 20 5398 259995
Montedinove AP 20 488 260483

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km N of Teramo (54892 inhabitants)
55 Km S of Ancona (100861 inhabitants)
79 Km NW of Montesilvano (53738 inhabitants)
81 Km E of Foligno (57155 inhabitants)
87 Km NW of Pescara (121014 inhabitants)
90 Km N of L'Aquila (69753 inhabitants)
95 Km SE of Fano (60888 inhabitants)
96 Km NW of Chieti (51815 inhabitants)
Recent and historical seismicity

These maps show the seismicity for different time windows. The earthquake locations reported in these maps are determined in quasi real-time by the personnel on duty in the seismic surveillance center of INGV in Rome. Note that the earthquake source parameters (hypocentral location and magnitude) are the best estimates obstained with the available data and they are adjourned as additional data become available. The source parameters obtained by the personnel on duty are then revised by the group in charge of the INGV Seismic Bulletin (Bollettino Sismico Italiano dell’INGV).

Earthquakes of the 3 days preceding this event

Earthquakes of the 3 days preceding this event *

This map reports the earthquake epicenters located in the 72 hours (3 days) preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radius of the circle representing the earthquake on the map scales with magnitude. The color depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours). The open star shows the epicenter of the current earthquake.
Earthquakes of the 90 days preceding this event

Earthquakes of the 90 days preceding this event *

This map reports the Magnitudo ≥ 1.0 earthquake epicenters located in the 90 days preceding the time of the current earthquake occurrence, using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes from 1985 to the date of the event

Earthquakes from 1985 to the date of the event *

This map reports the Magnitudo ≥ 2.5 earthquake epicenters located using the data acquired by the Italian National Seismic Network and by other collaborating networks in Italy and in the neighbouring countries. The radii of the circles representing the epicenters on the map scale with magnitude. The color of each circle depends on the time of occurrence of the earthquakes with respect to the time of generation of the map (red = 1 hour; orange = 24 hours; yellow = 72 hours; blue = all other earthquakes). The open star shows the epicenter of the current earthquake.
Earthquakes since 1000 AD until 2019

Earthquakes since 1000 AD until 2019 *

This map shows the epicenters of the historical earthquakes catalogue CPT15 (Catalogo Parametrico dei Terremoti Italiani, 2015 version https://emidius.mi.ingv.it/CPTI15-DBMI15/) with estimated magnitude ≥ 5.0 since 1000 AD until 2014. The epicenters are represented by squares which sides scale with the estimated earthquake magnitude. For earthquakes with magnitude ≥ 6.0, it is also shown the year of occurrence and the magnitude value. The open star shows the epicenter of the current earthquake.
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web 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
Bulletin
Rev1000
ML 2.1 2020-10-04
13:46:37
43.14 13.67 20 2021-02-26
14:56:15
Bollettino Sismico Italiano INGV 86261601
Reviewed
Rev100
ML 2.1 2020-10-04
13:46:37
43.14 13.68 21 2020-10-04
13:55:39
Sala Sismica INGV-Roma 83496491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-04 13:46:37 ± 0.1
Latitude 43.14 ± 0.00
Longitude 13.67 ± 0.01
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86261601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 526
Semi-minor axis of confidence ellipse (meter) 175
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 530
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.08633
Epicentral distance of station farthest from the epicenter (degree) 0.63132
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 86261601
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-15 08:54:30

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 83496491
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-04 13:55:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SMA1.EHZ. 2020-10-04T13:46:57.43 0.6 undecidable manual S 206 0.563 100 0.46 43
IV.NRCA.HHZ. 2020-10-04T13:46:55.58 0.6 undecidable manual S 234 0.509 102 0.19 46
IV.EL6.EHZ. 2020-10-04T13:46:54.19 0.6 undecidable manual S 295 0.4578 103 0.27 45
IV.MC2.EHZ. 2020-10-04T13:46:53.00 0.3 undecidable manual S 238 0.4191 105 0.2 70
IV.FDMO.HHZ. 2020-10-04T13:46:53.36 0.6 undecidable manual S 257 0.4389 104 -0.01 48
IV.MTRA.EHZ. 2020-10-04T13:46:53.50 0.6 undecidable manual S 208 0.4308 104 0.37 45
IV.CSP1.EHZ. 2020-10-04T13:46:51.11 0.6 undecidable manual S 263 0.3444 109 0.43 45
IV.PF6.EHN. 2020-10-04T13:46:50.72 0.6 undecidable manual S 270 0.3489 108 -0.09 48
IV.MMO1.EHZ. 2020-10-04T13:46:50.50 0.6 undecidable manual S 227 0.3471 109 -0.25 47
IV.CAMP.HHN. 2020-10-04T13:46:50.11 0.6 undecidable manual P 198 0.6313 99 0.17 45
IV.T1299.HNE. 2020-10-04T13:46:48.96 1.0 undecidable manual P 210 0.5783 100 -0.08 23
IV.GUMA.HHZ. 2020-10-04T13:46:48.33 0.6 undecidable manual S 253 0.2572 116 0.04 50
IV.TERO.HHN. 2020-10-04T13:46:48.25 1.0 undecidable manual P 186 0.5162 101 0.25 23
IV.SMA1.EHZ. 2020-10-04T13:46:48.66 0.6 undecidable manual P 206 0.563 100 -0.13 46
IV.MF5.EHZ. 2020-10-04T13:46:47.00 0.6 undecidable manual S 226 0.2158 122 -0.21 48
IV.NRCA.HHZ. 2020-10-04T13:46:47.63 0.3 undecidable manual P 234 0.509 102 -0.24 68
IV.EL6.EHZ. 2020-10-04T13:46:47.14 0.6 undecidable manual P 295 0.4578 103 0.11 47
IV.CING.HNE. 2020-10-04T13:46:46.73 1.0 undecidable manual P 305 0.4209 105 0.31 23
IV.MC2.EHZ. 2020-10-04T13:46:46.11 0.3 undecidable manual P 238 0.4191 105 -0.27 69
IV.FDMO.HHZ. 2020-10-04T13:46:46.34 0.6 undecidable manual P 257 0.4389 104 -0.37 45
IV.SAP2.EHZ. 2020-10-04T13:46:46.91 0.6 undecidable manual S 259 0.2032 124 0 50
IV.MTRA.EHZ. 2020-10-04T13:46:46.39 0.3 undecidable manual P 208 0.4308 104 -0.18 70
IV.PF6.EHN. 2020-10-04T13:46:45.28 0.3 undecidable manual P 270 0.3489 108 0.05 73
IV.MNTP.HNE. 2020-10-04T13:46:45.30 0.6 undecidable manual S 270 0.1484 134 -0.34 48
IV.MMO1.EHZ. 2020-10-04T13:46:44.95 0.6 undecidable manual P 227 0.3471 109 -0.25 47
IV.MNTT.EHZ. 2020-10-04T13:46:44.87 0.6 undecidable manual S 217 0.0935 148 0.25 49
IV.CSP1.EHZ. 2020-10-04T13:46:44.88 0.3 negative manual P 263 0.3444 109 -0.28 70
IV.MF5.EHZ. 2020-10-04T13:46:43.20 0.1 negative manual P 226 0.2158 122 0.05 100
IV.GUMA.HHZ. 2020-10-04T13:46:43.73 0.1 negative manual P 253 0.2572 116 -0.05 99
IV.PP3.HNN. 2020-10-04T13:46:43.96 0.6 undecidable manual P 349 0.2446 118 0.37 46
IV.SAP2.EHZ. 2020-10-04T13:46:42.95 0.3 positive manual P 259 0.2032 124 -0.03 75
IV.CADA.HNE. 2020-10-04T13:46:42.03 1.0 undecidable manual P 49 0.0863 151 0.43 24
IV.MNTT.EHZ. 2020-10-04T13:46:41.70 0.6 undecidable manual P 217 0.0935 148 0.04 51
IV.MNTP.HNE. 2020-10-04T13:46:41.98 0.6 undecidable manual P 270 0.1484 134 -0.27 48
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MNTT.EHE. ML:2.6 0.002975 1.58 AML other m 2020-10-04T13:46:45.82
IV.MNTT.EHN. ML:2.7 0.00349 1.76 AML other m 2020-10-04T13:46:46.89
IV.MF5.EHN. ML:1.8 0.000319 0.22 AML other m 2020-10-04T13:46:47.34
IV.SAP2.EHN. ML:2.5 0.001715 0.3 AML other m 2020-10-04T13:46:47.76
IV.MF5.EHE. ML:1.9 0.00043 1.5 AML other m 2020-10-04T13:46:48.85
IV.SAP2.EHE. ML:1.9 0.000395 0.24 AML other m 2020-10-04T13:46:48.60
IV.GUMA.HNE. ML:2.2 0.0006235429 0.3712 AML other m 2020-10-04T13:46:49.32
IV.GUMA.HHE. ML:2.2 0.000659 0.38 AML other m 2020-10-04T13:46:49.32
IV.GUMA.HNN. ML:2.2 0.0006543429 2.9312 AML other m 2020-10-04T13:46:48.48
IV.GUMA.HHN. ML:2 0.0004345 0.98 AML other m 2020-10-04T13:46:49.95
IV.CSP1.EHN. ML:1.6 0.00011437255 0.224 AML other m 2020-10-04T13:46:53.47
IV.FDMO.HHN. ML:1.7 0.00012 0.2 AML other m 2020-10-04T13:46:53.84
IV.MTRA.HNN. ML:2.4 0.0007055 0.26 AML other m 2020-10-04T13:46:53.97
IV.MTRA.EHN. ML:2.4 0.000678 0.26 AML other m 2020-10-04T13:46:53.98
IV.MTRA.HNE. ML:2.3 0.000464 0.52 AML other m 2020-10-04T13:46:54.22
IV.MTRA.EHE. ML:2.2 0.0004465 0.36 AML other m 2020-10-04T13:46:54.22
IV.FDMO.HHE. ML:1.8 0.000139 0.18 AML other m 2020-10-04T13:46:54.88
IV.EL6.EHE. ML:1.6 0.000102713255 0.2432 AML other m 2020-10-04T13:46:55.34
IV.CSP1.EHE. ML:1.8 0.0002005 0.42 AML other m 2020-10-04T13:46:56.37
IV.NRCA.HHN. ML:2.2 0.000337 0.1 AML other m 2020-10-04T13:46:56.64
IV.EL6.EHN. ML:1.6 9.266346E-5 0.3392 AML other m 2020-10-04T13:46:56.92
IV.NRCA.HNN. ML:2.2 0.000324 0.92 AML other m 2020-10-04T13:46:57.65
IV.NRCA.HHE. ML:2.2 0.0003595 0.94 AML other m 2020-10-04T13:46:57.74
IV.NRCA.HNE. ML:2.3 0.000384 0.92 AML other m 2020-10-04T13:46:57.74
IV.SMA1.EHN. ML:2 0.0001835 1.4 AML other m 2020-10-04T13:46:58.09
IV.SMA1.EHE. ML:2 0.0001635 0.4 AML other m 2020-10-04T13:46:59.37
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Fault Plane solutions

Fault Plane solutions *

This map reports the focal mechanisms since 1977 in the region. The white and red beach ball symbols are mechanisms determined using the Regional Centroid Moment Tensor (RCMT, http://www.bo.ingv.it/RCMT) and are determined for earthquakes with magnitude larger than 4.5 in the Euro-Mediterranenan area. Occasionally, when there is a good source-receiver geometry of the target earthquake, the RCMT can be obtained also for earthquakes with magnitude larger than 4.0. The blue and white beach ball symbols indicate the mechanisms obtained from application of the Time Domain Moment Tensor (TDMT, http://terremoti.ingv.it/tdmt.html). This technique is used for M ≥ 3.5. The size of the beach ball sysmbol scales with the calculated moment magnitude, Mw.
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
Waveforms Seismic signals in miniseed + resp format Download