Moderate mag. 4.1 earthquake - 16 km west of Puerto Armuelles, Barú, Provincia de Chiriquí, Panama, on 2020-09-02 23:39:13 -

This quake was likely a foreshock of the 5.6 quake 14 km west of Puerto Armuelles, Baru District, Provincia de Chiriqui, Panama, 2020-09-04 11:45:20, which followed after 1 day 12 hours.
Moderate mag. 4.1 earthquake - 16 km west of Puerto Armuelles, Barú, Provincia de Chiriquí, Panama, on 2020-09-02 23:39:13

Moderate magnitude 4.1 earthquake at 4 km depth

3 Sep 05:42 UTC: First to report: INETER after 3 minutes.
Sep 3 05:49: Magnitude recalculated from 4.5 to 4.6.
Hypocenter depth recalculated from 10.0 to 7.0 km.
Sep 3 05:56: Magnitude recalculated from 4.6 to 4.5.
Hypocenter depth recalculated from 7.0 to 3.0 km.
Sep 3 06:00: Magnitude recalculated from 4.5 to 4.2.
Hypocenter depth recalculated from 3.0 to 9.0 km.
Sep 3 06:14: Magnitude recalculated from 4.2 to 4.4.
Hypocenter depth recalculated from 9.0 to 6.0 km.
Sep 3 06:14: Magnitude recalculated from 4.4 to 4.2.
Sep 3 06:28: Magnitude recalculated from 4.2 to 4.1.
Hypocenter depth recalculated from 6.0 to 4.0 km.
Update Thu, 3 Sep 2020, 06:28
Earthquake felt in the Costa Rica / Panama border region
Expected shaking intensities on ground for last evening's quake in Costa Rica - Panama
Expected shaking intensities on ground for last evening's quake in Costa Rica - Panama
A light earthquake hit the southern border region between Costa Rica and Panama an hour ago, at 11:39 pm local time.
The epicenter of the shallow quake was 7 km west of Puerto Armuelles, Panama. In an area of about 25 km around the epicenter, moderate shaking could be clearly felt, while lighter shaking intensities occurred in up to 50-75 km distances.
The earthquake is not expected to have caused any damage.

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Earthquake data

Date & time: Sep 3, 2020 05:39:13 UTC -
Local time at epicenter: 2020-09-02 23:39:13
Magnitude: 4.1
Depth: 4.0 km
Epicenter latitude / longitude: 8.306°N / 83°W (Provincia de Chiriqui, Panama)
Antipode: 8.306°S / 97°E
Nearest volcano: Baru (72 km / 45 mi)
Nearby towns and cities:
9 km (6 mi) SW of Blanco Arriba (Chiriquí) (pop: 391) --> See nearby quakes!
16 km (10 mi) W of Puerto Armuelles (Chiriquí) (pop: 11,700) --> See nearby quakes!
24 km (15 mi) SW of Progreso (PA.02.0419, Chiriquí) (pop: 2,210) --> See nearby quakes!
34 km (21 mi) NNW of Burica (Chiriquí) (pop: 1,360) --> See nearby quakes!
34 km (21 mi) WSW of Divala (Chiriquí) (pop: 2,510) --> See nearby quakes!
48 km (30 mi) WSW of Concepcion (Chiriquí) (pop: 17,700) --> See nearby quakes!
63 km (39 mi) W of Pedregal (Distrito de David, Chiriquí) (pop: 17,400) --> See nearby quakes!
64 km (40 mi) WSW of David (Chiriquí) (pop: 82,000) --> See nearby quakes!
69 km (43 mi) WSW of Las Lomas (Distrito de David, Chiriquí) (pop: 11,700) --> See nearby quakes!
390 km (242 mi) WSW of Panama (Panamá) (pop: 408,200) --> See nearby quakes!
Primary data source: INETER
Estimated released energy: 8.9 x 1010 joules (24.8 megawatt hours, equivalent to 21.3 tons of TNT) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
4.14 km16 Km al oeste de Puerto Armuelles, Panamá (Panama)INETER
4.310 km7 km al Oeste de Puerto Armuelles, Panama.RSN
4.310 kmPanama-costa Rica Border RegionEMSC

User reports for this quake (1)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Puerto Pilon (18.2 km NW of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s : the couch I was sittin on shook quite a bit and the doors and shutters rattled. | 2 users found this interesting.  
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