Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 18-12-2019 and time 12:44:40 (UTC) in region Costa Marchigiana Fermana (Fermo)

A magnitude ML 1.8 earthquake occured in region: Costa Marchigiana Fermana (Fermo), on

  • 18-12-2019 12:44:40 (UTC)
  • 18-12-2019 13:44:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1260, 13.9800 at 31 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Pedaso FM 12 2800 2800
Campofilone FM 14 1916 4716
Cupra Marittima AP 15 5398 10114
Altidona FM 15 3390 13504
Porto San Giorgio FM 16 16121 29625
Massignano AP 17 1638 31263
Lapedona FM 17 1166 32429
Grottammare AP 18 16006 48435

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km NE of Teramo (54892 inhabitants)
66 Km SE of Ancona (100861 inhabitants)
69 Km N of Montesilvano (53738 inhabitants)
76 Km N of Pescara (121014 inhabitants)
87 Km N of Chieti (51815 inhabitants)
98 Km NE of L'Aquila (69753 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 1.8 2019-12-18
12:44:40		 43.1258 13.9803 31 2020-02-28
16:42:23		 Bollettino Sismico Italiano INGV 76321161
Reviewed
Rev100 		ML 1.8 2019-12-18
12:44:40		 43.159 13.9613 29 2019-12-18
12:55:22		 Sala Sismica INGV-Roma 74764301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-18 12:44:40 ± 0.25
Latitude 43.1258 ± 0.0090
Longitude 13.9803 ± 0.0148
Depth (km) 31 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76321161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1189
Semi-minor axis of confidence ellipse (meter) 59
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 256
Circular confidence region, given by single value of horizontal uncertainty (meter) 1190.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 260
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.79500
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 74764301
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-18 12:55:22

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 76321161
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-07 17:00:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ALJA.HHZ. 2019-12-18T12:46:14.11 3.0 undecidable manual Pg 10.68 0
IV.PZUN.HHZ. 2019-12-18T12:46:06.97 3.0 undecidable manual Sg 0.55 0
IV.OSSC.HHZ. 2019-12-18T12:45:44.51 3.0 undecidable manual Sg 4.25 0
CR.ZAG.BHZ. 2019-12-18T12:45:37.40 3.0 negative manual Pg 0.25 0
IV.NDIM.HNZ. 2019-12-18T12:45:29.40 3.0 positive manual Pg 0.47 0
TV.SF04.EHZ. 2019-12-18T12:45:28.88 3.0 undecidable manual Sn -2.37 0
IV.OSSC.HHZ. 2019-12-18T12:45:15.91 3.0 undecidable manual Pg -0.34 0
IV.CIGN.HHZ. 2019-12-18T12:45:07.02 3.0 undecidable manual Pn -7.24 0
IV.CESI.HHZ. 2019-12-18T12:45:07.41 0.6 undecidable manual S 262 88.245 105 0.41 43
IV.NRCA.HHZ. 2019-12-18T12:45:04.16 0.6 undecidable manual S 246 77.367 107 -0.06 48
IV.EL6.EHE. 2019-12-18T12:45:03.85 0.6 undecidable manual S 288 74.5698 107 0.37 45
IV.SMA1.EHZ. 2019-12-18T12:45:03.92 0.6 undecidable manual S 224 75.9684 107 0.07 48
IV.MC2.EHZ. 2019-12-18T12:45:02.02 0.3 undecidable manual S 250 68.4759 109 0.07 72
IV.FDMO.HHZ. 2019-12-18T12:45:02.72 0.6 undecidable manual S 263 73.0713 108 -0.39 45
IV.CING.HNZ. 2019-12-18T12:45:02.59 0.6 undecidable manual S 294 69.1752 109 0.45 45
IV.TERO.HHZ. 2019-12-18T12:45:01.19 0.6 undecidable manual S 209 63.6918 111 0.45 45
IV.CSP1.EHZ. 2019-12-18T12:45:00.64 0.6 undecidable manual S 267 62.8926 111 0.08 49
IV.PF6.EHN. 2019-12-18T12:45:00.02 0.6 undecidable manual S 271 63.6918 111 -0.72 41
IV.MTRA.HNZ. 2019-12-18T12:45:00.13 0.6 undecidable manual S 229 62.6928 111 -0.36 46
IV.MMO1.EHN. 2019-12-18T12:44:59.02 0.6 undecidable manual S 245 58.6968 113 -0.49 45
IV.GUMA.HHZ. 2019-12-18T12:44:57.58 0.6 undecidable manual S 263 52.7028 115 -0.48 46
IV.MF5.EHZ. 2019-12-18T12:44:56.20 0.6 undecidable manual S 250 44.9217 119 0 51
IV.CESI.HHZ. 2019-12-18T12:44:55.74 0.3 undecidable manual P 262 88.245 105 0.02 71
IV.CIMA.HNE. 2019-12-18T12:44:54.20 0.6 undecidable manual S 309 32.0457 130 0.84 42
IV.FDMO.HHZ. 2019-12-18T12:44:53.24 0.1 undecidable manual P 263 73.0713 108 -0.24 93
IV.SMA1.EHZ. 2019-12-18T12:44:53.93 0.3 undecidable manual P 224 75.9684 107 0.03 72
IV.CING.HNZ. 2019-12-18T12:44:53.18 0.3 undecidable manual P 294 69.1752 109 0.26 70
IV.NRCA.HHZ. 2019-12-18T12:44:53.93 0.1 undecidable manual P 246 77.367 107 -0.19 93
IV.EL6.EHE. 2019-12-18T12:44:53.98 0.6 undecidable manual P 288 74.5698 107 0.29 46
IV.OFFI.HHZ. 2019-12-18T12:44:53.94 0.3 undecidable manual S 229 31.9458 130 0.61 68
IV.PF6.EHN. 2019-12-18T12:44:52.00 0.6 undecidable manual P 271 63.6918 111 -0.11 49
IV.TERO.HHZ. 2019-12-18T12:44:52.54 0.3 undecidable manual P 209 63.6918 111 0.43 68
IV.MNTT.EHZ. 2019-12-18T12:44:52.65 0.6 undecidable manual S 257 31.9458 130 -0.69 44
IV.MC2.EHZ. 2019-12-18T12:44:52.72 0.3 undecidable manual P 250 68.4759 109 -0.09 73
IV.CSP1.EHZ. 2019-12-18T12:44:51.81 0.3 undecidable manual P 267 62.8926 111 -0.2 72
IV.MTRA.HNZ. 2019-12-18T12:44:51.82 0.1 undecidable manual P 229 62.6928 111 -0.14 97
IV.MMO1.EHN. 2019-12-18T12:44:51.31 0.1 undecidable manual P 245 58.6968 113 -0.09 99
IV.GUMA.HHZ. 2019-12-18T12:44:50.49 0.1 undecidable manual P 263 52.7028 115 -0.07 100
IV.MF5.EHZ. 2019-12-18T12:44:49.56 0.3 undecidable manual P 250 44.9217 119 0.07 76
IV.CIMA.HNE. 2019-12-18T12:44:48.39 0.3 undecidable manual P 309 32.0457 130 0.55 70
IV.OFFI.HHZ. 2019-12-18T12:44:48.37 0.1 undecidable manual P 229 31.9458 130 0.54 93
IV.CADA.HNZ. 2019-12-18T12:44:48.45 0.6 undecidable manual S 293 19.2696 145 -2.58 10
IV.MNTT.EHZ. 2019-12-18T12:44:47.72 0.3 undecidable manual P 257 31.9458 130 -0.12 77
IV.CADA.HNZ. 2019-12-18T12:44:45.48 0.3 undecidable manual P 293 19.2696 145 -1.02 58
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHE. ML:2.1 0.0002805 0.5 AML other m 2019-12-18T12:44:58.35
IV.GUMA.HHN. ML:2.1 0.0002505 0.6 AML other m 2019-12-18T12:44:58.17
IV.TERO.HHN. ML:1.5 0.00005745 0.28 AML other m 2019-12-18T12:45:01.69
IV.TERO.HHE. ML:1.6 0.00006705 0.8 AML other m 2019-12-18T12:45:02.66
IV.CSP1.EHE. ML:1.8 0.00010980000000000001 0.46 AML other m 2019-12-18T12:45:02.83
IV.FDMO.HHE. ML:1.8 0.0000813 1.56 AML other m 2019-12-18T12:45:03.90
IV.FDMO.HHN. ML:1.6 0.0000616 0.92 AML other m 2019-12-18T12:45:04.02
IV.NRCA.HHE. ML:2.1 0.00016450000000000001 0.68 AML other m 2019-12-18T12:45:05.32
IV.NRCA.HHN. ML:2.0 0.000135 0.12 AML other m 2019-12-18T12:45:05.77
IV.CSP1.EHN. ML:1.7 0.00008405 0.5 AML other m 2019-12-18T12:45:09.31
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